CN210196386U

CN210196386U - Driving cam box

Info

Publication number: CN210196386U
Application number: CN201920940992.4U
Authority: CN
Inventors: Xudong Liu; 刘旭东
Original assignee: Guangdong Yantian Intelligent Mechanical And Electrical Co ltd
Current assignee: Nuobei Electromechanical Equipment Jiangmen Co ltd
Priority date: 2019-06-20
Filing date: 2019-06-20
Publication date: 2020-03-27
Anticipated expiration: 2029-06-20

Abstract

The utility model belongs to the technical field of the drive arrangement technique and specifically relates to indicate a drive cam box, including the case seat, rotate respectively and set up in the main axis of rotation of case seat, it is first from the axis of rotation and be used for driving main axis of rotation pivoted first rotation drive arrangement, it is first from the axis of rotation to rotate and be provided with first connecting rod, the second connecting rod, third connecting rod and fourth connecting rod, the profile of first cam, the profile of second cam, the profile of third cam and the profile of fourth cam are all inequality, main axis of rotation is provided with first cam, the second cam, third cam and fourth cam, be connected with first extension spring between first connecting rod and the case seat, be connected with the second extension spring between second connecting rod and the case seat, be connected with the third extension spring between third connecting rod and the case seat, be connected with the fourth extension spring between fourth connecting rod and the case seat. The utility model has the advantages of simple and compact structure, occupation space is little, only needs a main power source can drive a plurality of actuating mechanism autonomous working, and the linkage is good, and energy utilization is rateed highly, the cost is reduced.

Description

Driving cam box

Technical Field

The utility model belongs to the technical field of drive arrangement technique and specifically relates to indicate a drive cam case.

Background

In an automation or semi-automation system, the drive is the most important component of the system operation. In the prior art, one actuating mechanism is generally driven by one actuating device to work, and a plurality of actuating mechanisms are respectively driven by a plurality of actuating devices, so that the equipment is complex in structure, large in occupied space, poor in linkage performance, low in energy utilization rate and high in production and use cost.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the utility model is to provide a drive cam box, its simple structure and compactness, occupation space is little, only need a main power source can drive respective outside actuating mechanism according to the time and the sequence work of settlement respectively via first connecting rod, second connecting rod, third connecting rod and fourth connecting rod, and the linkage is good, has improved the utilization ratio of the energy, has reduced the use of main power source, has reduced production and use cost.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a driving cam box comprises a box seat, a main rotating shaft rotationally arranged on the box seat, a first driven rotating shaft rotationally arranged on the box seat and a first rotating driving device which is arranged on the box seat and used for driving the main rotating shaft to rotate, wherein the main rotating shaft is coaxially provided with a first cam, a second cam, a third cam and a fourth cam, the first driven rotating shaft is coaxially and rotationally provided with a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod, the profile of the first cam, the profile of the second cam, the profile of the third cam and the profile of the fourth cam are different, the first cam is used for abutting against the input end of the first connecting rod, the second cam is used for abutting against the input end of the second connecting rod, the third cam is used for abutting against the input end of the third connecting rod, the fourth cam is used for abutting against the input end of the fourth connecting rod, and a first tension spring is connected between the middle part of the first connecting rod and, a second tension spring is connected between the middle part of the second connecting rod and the box seat, a third tension spring is connected between the middle part of the third connecting rod and the box seat, and a fourth tension spring is connected between the middle part of the fourth connecting rod and the box seat.

Further, the output and the input of first connecting rod all rotate and are provided with first rolling wheel, the output and the input of second connecting rod all rotate and are provided with the second rolling wheel, the output and the input of third connecting rod all rotate and are provided with the third rolling wheel, the output and the input of fourth connecting rod all rotate and are provided with the fourth rolling wheel, first cam rolls with the first rolling wheel of the input of first connecting rod and contradicts, the second rolling wheel of second cam and the input of second connecting rod rolls and contradicts, the third rolling wheel of third cam and the input of third connecting rod rolls and contradicts, the fourth rolling wheel of fourth cam and the input of fourth connecting rod rolls and contradicts.

Further, the coaxial fifth cam that is provided with of main axis of rotation, the fifth cam is located between first cam and the second cam, the case seat rotates and is provided with the second from the axis of rotation, the second is provided with fifth connecting rod and sixth cam from the axis of rotation coaxially, the fifth connecting rod rotates with the second from the axis of rotation via the bearing and is connected, the input of fifth connecting rod rolls with the fifth cam via the fifth wheel that rolls and contradicts, be connected with the fifth extension spring between the output of fifth connecting rod and the case seat, the middle part of fifth connecting rod rotates and is provided with the sixth connecting rod, the input of sixth connecting rod rolls with the sixth cam via the sixth wheel and contradicts, the case seat has been installed and is used for driving the second from axis of rotation pivoted second rotation drive arrangement, the profile of fifth cam is inequality with the profile of sixth cam.

Furthermore, the second rotation driving device comprises a second rotation motor installed on the box seat, a second driving pulley installed on an output shaft of the second rotation motor, a second driven pulley installed on the second driven rotation shaft, and a second transmission belt wound on the second driving pulley and the second driven pulley, the box seat is provided with an inductor, the second driven pulley is provided with an induction sheet for triggering the inductor, and the inductor is electrically connected with the second rotation motor.

Further, the main rotation shaft is coaxially provided with a seventh cam, the seventh cam is located between the third cam and the fourth cam, the box seat is rotatably provided with a seventh connecting rod, a seventh tension spring is connected between the middle of the seventh connecting rod and the box seat, the input end of the seventh connecting rod is in rolling contact with the seventh cam through a seventh rolling wheel, the output end of the seventh connecting rod is rotatably connected with a first connecting rod, the output end of the seventh connecting rod is connected with a return spring, and the return spring is arranged in parallel with the first connecting rod.

Further, the coaxial eighth cam that is provided with of main axis of rotation, the first coaxial rotation of following the axis of rotation is provided with the eighth connecting rod, the input of eighth connecting rod is contradicted with the eighth cam roll via the eighth wheel that rolls, be connected with the eighth extension spring between eighth connecting rod and the case seat, the output of eighth connecting rod rotates and is connected with the second connecting rod, the second connecting rod rotates and is connected with the ninth connecting rod, the output of ninth connecting rod rotates and is connected with the third connecting rod.

Further, the fourth connecting rod is provided with a driving part, the box seat is provided with a driving cylinder for abutting against the driving part, one end of the fourth tension spring is connected with the driving part, and the other end of the fourth tension spring is connected with the box seat.

Further, first rotation driving device includes first rotation motor, reduction gear and first driving pulley, the input drive of main axis of rotation and reduction gear is connected, first driving pulley is installed in the output of reduction gear, first rotation motor is used for driving main axis of rotation to rotate, the reduction gear is installed in the case seat, first rotation motor is installed in the reduction gear.

The utility model has the advantages that: in actual work, the first rotation driving device drives the main rotation shaft to rotate, the main rotation shaft drives the first cam, the second cam, the third cam and the fourth cam to synchronously rotate, and due to the fact that the outline of the first cam, the outline of the second cam, the outline of the third cam and the outline of the fourth cam are different, when the first cam, the second cam, the third cam and the fourth cam respectively rotate to the highest points to be abutted against the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod, the first cam, the second cam, the third cam and the fourth cam respectively abut against the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod according to respective outlines to independently rotate, and the rotated first connecting rod, the rotated second connecting rod, the rotated third connecting rod and the rotated fourth connecting rod respectively drive the external actuating mechanisms which are respectively in driving connection to work and respectively stretch the first tension spring, the second tension spring, the rotated tension spring, A third tension spring and a fourth tension spring. When the first cam, the second cam, the third cam and the fourth cam rotate to the lowest point respectively and are abutted against the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod, the first cam, the second cam, the third cam and the fourth cam release the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod respectively, the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod reset and rotate under the resilience force action of the first tension spring, the second tension spring, the third tension spring and the fourth tension spring respectively, the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod are convenient to drive the external actuating mechanisms which are respectively in driving connection to work at the next time, and the external actuating mechanisms work according to set time and sequence respectively. The driving cam box is simple and compact in structure and small in occupied space, only one main power source is needed to drive the external execution mechanisms which are respectively in driving connection to independently work through the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod, the fact that one main power source can drive the multiple external execution mechanisms to work according to set time and sequence is achieved, linkage is good, the utilization rate of energy is improved, the use of the main power source is reduced, and production and use costs are reduced.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of another perspective of the present invention.

Fig. 3 is a schematic view of the three-dimensional structure of the hidden box base of the present invention.

Description of reference numerals:

40. a first connecting rod; 401. a return spring; 402. a second connecting rod; 403. a ninth link; 404. a third connecting rod; 405. a driving cylinder; 41. a box base; 42. a main rotating shaft; 43. a first slave rotational shaft; 431. a second slave rotational shaft; 44. a first rotary drive device; 441. a first rotating electric machine; 442. a speed reducer; 443. a first driving pulley; 45. a first cam; 451. a second cam; 452. a third cam; 453. a fourth cam; 454. a fifth cam; 455. a sixth cam; 456. a seventh cam; 457. an eighth cam; 46. a first link; 461. a second link; 462. a third link; 463. a fourth link; 4631. a drive section; 464. a fifth link; 465. a sixth link; 466. a seventh connecting rod; 467. an eighth link; 47. a first tension spring; 471. a second tension spring; 472. a third tension spring; 473. a fourth tension spring; 474. a fifth tension spring; 475. a seventh tension spring; 476. an eighth tension spring; 48. a first rolling wheel; 481. a second rolling wheel; 482. a third rolling wheel; 483. a fourth rolling wheel; 485. a sixth rolling wheel; 486. a seventh rolling wheel; 487. an eighth rolling wheel; 49. a second rotation driving device; 491. a second rotating electric machine; 492. a second driving pulley; 493. a second driven pulley; 494. a second belt; 495. an inductor; 496. and a sensing piece.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

As shown in fig. 1 to 3, the present invention provides a driving cam box, which comprises a box base 41, a main rotating shaft 42 rotatably disposed on the box base 41, a first slave rotating shaft 43 rotatably disposed on the box base 41, and a first rotation driving device 44 disposed on the box base 41 and used for driving the main rotating shaft 42 to rotate, wherein the main rotating shaft 42 is coaxially disposed with a first cam 45, a second cam 451, a third cam 452, and a fourth cam 453, the first slave rotating shaft 43 is coaxially disposed with a first connecting rod 46, a second connecting rod 461, a third connecting rod 462, and a fourth connecting rod 463, the profile of the first cam 45, the profile of the second cam 451, the profile of the third cam 452, and the profile of the fourth cam 453 are different, the first cam 45 is used for an input end of the first connecting rod 46, the second cam 451 is used for an input end of the second connecting rod 461, the third cam 452 is used for an input end of the third connecting rod 462, the fourth cam 453 is used for abutting against an input end of the fourth link 463, a first tension spring 47 is connected between the middle of the first link 46 and the box holder 41, a second tension spring 471 is connected between the middle of the second link 461 and the box holder 41, a third tension spring 472 is connected between the middle of the third link 462 and the box holder 41, a fourth tension spring 473 is connected between the middle of the fourth link 463 and the box holder 41, an output end of the first link 46, an output end of the second link 461, an output end of the third link 462 and an output end of the fourth link 463 are respectively in driving connection with external actuators with different or the same structures, and the main rotating shaft 42 is arranged in parallel with the first slave rotating shaft 43.

In actual operation, the first rotation driving device 44 drives the main rotation shaft 42 to rotate, the main rotation shaft 42 drives the first cam 45, the second cam 451, the third cam 452 and the fourth cam 453 to rotate synchronously, and since the profile of the first cam 45, the profile of the second cam 451, the profile of the third cam 452 and the profile of the fourth cam 453 are different, when the first cam 45, the second cam 451, the third cam 452 and the fourth cam 453 rotate to the highest point to collide with the first link 46, the second link 461, the third link 462 and the fourth link 463 respectively, the first cam 45, the second cam 451, the third cam 452 and the fourth cam 453 respectively rotate independently according to the respective profiles, and the first link 46, the second link 461, the third link 462 and the fourth link 463 respectively drive the external actuators which are respectively connected to operate and respectively stretch the first tension spring 47, A second extension spring 471, a third extension spring 472 and a fourth extension spring 473. When the first cam 45, the second cam 451, the third cam 452 and the fourth cam 453 rotate to the lowest point to be abutted against the first link 46, the second link 461, the third link 462 and the fourth link 463, respectively, the first cam 45, the second cam 451, the third cam 452 and the fourth cam 453 release the first link 46, the second link 461, the third link 462 and the fourth link 463, respectively, and the first link 46, the second link 461, the third link 462 and the fourth link 463 reset and rotate under the resilience of the first tension spring 47, the second tension spring 471, the third tension spring 472 and the fourth tension spring 473, respectively, so that the first link 46, the second link 461, the third link 462 and the fourth link 463 drive the respective drivingly connected external actuators to work next time, and the plurality of external actuators work according to the set time and sequence, respectively. The driving cam box is simple and compact in structure and small in occupied space, only one main power source is needed to drive the external execution mechanisms which are respectively in driving connection to independently work through the first connecting rod 46, the second connecting rod 461, the third connecting rod 462 and the fourth connecting rod 463, the fact that one main power source can drive the multiple external execution mechanisms to work according to set time and sequence is achieved, linkage is good, the utilization rate of energy is improved, the use of the main power source is reduced, and production and use costs are reduced. The drive cam box is particularly suitable for being applied to a component inserter.

In this embodiment, the output end and the input end of the first link 46 are both rotatably provided with a first rolling wheel 48, the output end and the input end of the second link 461 are both rotatably provided with a second rolling wheel 481, the output end and the input end of the third link 462 are both rotatably provided with a third rolling wheel 482, the output end and the input end of the fourth link 463 are both rotatably provided with a fourth rolling wheel 483, the first cam 45 is in rolling contact with the first rolling wheel 48 at the input end of the first link 46, the second cam 451 is in rolling contact with the second rolling wheel 481 at the input end of the second link 461, the third cam 452 is in rolling contact with the third rolling wheel 482 at the input end of the third link 462, the fourth cam 453 is in rolling contact with the fourth rolling wheel 483 at the input end of the fourth link 463, the first rolling wheel 48 at the output end of the first link 46, the second rolling wheel 481 at the output end of the second link 461, and the first rolling wheel 481, the second rolling wheel 481, the, The third rolling wheel 482 at the output end of the third link 462 and the fourth rolling wheel 483 at the output end of the fourth link 463 are respectively in rolling contact with respective drivingly connected external actuators. By adding the first rolling wheel 48, the second rolling wheel 481, the third rolling wheel 482 and the fourth rolling wheel 483 to reduce wear of the first cam 45, the second cam 451, the third cam 452, the fourth cam 453, the first link 46, the second link 461, the third link 462, the fourth link 463 and a plurality of external actuators, the life span of the first cam 45, the second cam 451, the third cam 452, the fourth cam 453, the first link 46, the second link 461, the third link 462 and the fourth link 463 is extended.

In this embodiment, the main rotating shaft 42 is coaxially provided with a fifth cam 454, the fifth cam 454 is located between the first cam 45 and the second cam 451, the box holder 41 is rotatably provided with a second slave rotating shaft 431, the second slave rotating shaft 431 is coaxially provided with a fifth link 464 and a sixth cam 455, the fifth link 464 is rotatably connected to the second slave rotating shaft 431 via a bearing, an input end of the fifth link 464 is in rolling contact with the fifth cam 454 via a fifth rolling wheel, a fifth tension spring 474 is connected between an output end of the fifth link 464 and the box holder 41, a sixth link 465 is rotatably provided in a middle portion of the fifth link 464, an input end of the sixth link 465 is in rolling contact with the sixth cam 455 via a sixth rolling wheel 485, the box holder 41 is provided with a second rotation driving device 49 for driving the second slave rotating shaft 431 to rotate, a contour of the first cam 45, The profile of the second cam 451, the profile of the third cam 452, the profile of the fourth cam 453, the profile of the fifth cam 454 and the profile of the sixth cam 455 are different, the output end of the sixth link 465 is drivingly connected with an external actuator, and the first slave rotating shaft 43 and the second slave rotating shaft 431 are arranged in parallel.

In actual operation, the first rotation driving device 44 drives the main rotation shaft 42 to rotate, the rotating main rotation shaft 42 drives the fifth cam 454 to rotate, when the fifth cam 454 rotates to the highest point, the rotating fifth cam 454 pushes against the input end of the fifth link 464 to rotate via the fifth roller wheel, the output end of the rotating fifth link 464 stretches the fifth tension spring 474 and drives the sixth link 465 to move upwards, the output end of the sixth link 465 pushes against the external actuator which is in driving connection with the sixth link 465 to ascend, at the same time, the second rotation driving device 49 drives the second slave rotation shaft 431 to rotate, the rotating second slave rotation shaft 431 drives the sixth cam 455 to rotate, when the sixth cam 455 rotates to the highest point, which is in collision with the input end of the sixth link 465, the sixth cam 455 rotates against the sixth link 465, the output end of the sixth connecting rod 465 again props against the external actuating mechanism to ascend, thereby realizing the intermittent ascending of the external actuating mechanism; when the fifth cam 454 rotates to the lowest point, the fifth link 464 resets and rotates under the resilience force of the fifth tension spring 474, and the sixth link 465 resets and rotates under the action of the external actuating mechanism so as to drive the external actuating mechanism to work next time. The wear of the fifth cam 454, the fifth link 464, the sixth cam 455 and the sixth link 465 is reduced by additionally providing the fifth rolling wheel and the sixth rolling wheel 485, and the service lives of the fifth cam 454, the fifth link 464, the sixth cam 455 and the sixth link 465 are prolonged.

In this embodiment, the second rotation driving device 49 includes a second rotation motor 491 installed on the box base 41, a second driving pulley 492 installed on an output shaft of the second rotation motor 491, a second driven pulley 493 installed on the second driven rotation shaft 431, and a second driving belt 494 wound around the second driving pulley 492 and the second driven pulley 493, wherein the box base 41 is installed with an inductor 495, the second driven pulley 493 is installed with an induction piece 496 for triggering the inductor 495, and the inductor 495 is electrically connected to the second rotation motor 491. The sensor 495 is triggered by the sensing piece 496 to control the working condition (such as forward and reverse rotation, rotating speed and the like) of the second rotating motor 491, so that the automatic control of the second rotating motor 491 is realized, the precision of the second rotating shaft driving the sixth cam 455 to rotate is improved, and the precision of the sixth connecting rod 465 driving the external actuating mechanism to work is further improved. Wherein, carry out the transmission through the structure of band pulley and drive belt, transmission stability is good.

In this embodiment, the main rotating shaft 42 is coaxially provided with a seventh cam 456, the seventh cam 456 is located between the third cam 452 and the fourth cam 453, the box holder 41 is rotatably provided with a seventh connecting rod 466, a seventh tension spring 475 is connected between the middle of the seventh connecting rod 466 and the box holder 41, an input end of the seventh connecting rod 466 is in rolling contact with the seventh cam 456 through a seventh rolling wheel 486, an output end of the seventh connecting rod 466 is rotatably connected with a first connecting rod 40, an output end of the seventh connecting rod 466 is connected with a return spring 401, the return spring 401 is parallel to the first connecting rod 40, and the first connecting rod 40 is in driving connection with an external actuator.

In actual operation, the rotating main rotating shaft 42 drives the seventh cam 456 to rotate, when the seventh cam 456 rotates to the highest point, the seventh cam 456 abuts against the input end of the seventh connecting rod 466, so that the seventh connecting rod 466 rotates, the rotating seventh connecting rod 466 not only pushes the first connecting rod 40 to move and compress the return spring 401, but also stretches the seventh tension spring 475, and the first connecting rod 40 pushes the external actuating mechanism in driving connection with the first connecting rod to operate. When the seventh cam 456 rotates to the lowest point, the seventh link 466 is rotated and returned by the resilient force of the seventh tension spring 475, and the first link 40 is moved and returned by the resilient force of the return spring 401. The structural design further increases the number of external actuators driven by one main power source, thereby improving the utilization rate of energy.

In this embodiment, the main rotating shaft 42 is coaxially provided with an eighth cam 457, the first slave rotating shaft 43 is coaxially and rotatably provided with an eighth connecting rod 467, an input end of the eighth connecting rod 467 is in rolling contact with the eighth cam 457 through an eighth rolling wheel 487, an eighth tension spring 476 is connected between the eighth connecting rod 467 and the box base 41, an output end of the eighth connecting rod 467 is rotatably connected with a second connecting rod 402, the second connecting rod 402 is rotatably connected with a ninth connecting rod 403, an output end of the ninth connecting rod 403 is rotatably connected with a third connecting rod 404, and the third connecting rod 404 is in driving connection with an external actuator.

In actual operation, the rotating main rotating shaft 42 drives the eighth cam 457 to rotate, when the eighth cam 457 rotates to the highest point, the eighth cam 457 collides with the eighth connecting rod 467 via the eighth rolling wheel 487 to rotate, so that the input end of the eighth connecting rod 467 stretches the eighth tension spring 476, the output end of the eighth connecting rod 467 rotates upward and drives the second connecting rod 402 to move upward, the upward moving second connecting rod 402 pulls the input end of the ninth connecting rod 403 to rotate upward, the output end of the ninth connecting rod 403 pulls the third connecting rod 404 to move, and the moving third connecting rod 404 pulls the external actuator connected to the moving third connecting rod 404 to operate. When the eighth cam 457 has rotated to the lowest point, the eighth link 467 is returned to rotate by the resilient force of the eighth tension spring 476, so that the second connecting rod 402, the ninth link 403, the third connecting rod 404, and the external actuator are returned. The structural design further increases the number of external actuating mechanisms driven by one main power source, and further improves the utilization rate of energy.

In this embodiment, the fourth link 463 is provided with a driving portion 4631, the cassette holder 41 is provided with a driving cylinder 405 for abutting against the driving portion 4631, one end of the fourth tension spring 473 is connected to the driving portion 4631, and the other end of the fourth tension spring 473 is connected to the cassette holder 41. When testing equipment or equipment is needed to be tested to have a fault, the fourth connecting rod 463 needs to be driven to rotate independently, and at the moment, the piston rod of the driving cylinder 405 extends and abuts against the driving part 4631 of the fourth connecting rod 463, so that the fourth connecting rod 463 rotates, and the output end of the fourth connecting rod 463 rotates upwards and drives an external actuating mechanism which is in driving connection with the fourth connecting rod 463 to ascend; when the piston rod of the driving cylinder 405 contracts, the driving cylinder 405 releases the fourth connecting rod 463, and the fourth connecting rod 463 resets and rotates under the resilience of the fourth tension spring 473, so that the output end of the fourth connecting rod 463 rotates downwards and drives the external actuating mechanism which is in driving connection with the fourth connecting rod 463 to descend. This structural design does not need first rotation drive arrangement 44 to drive whole connecting rods work can drive fourth connecting rod 463 alone and drive rather than the outside actuating mechanism of drive connection and carry out work through driving actuating cylinder 405, has improved this drive cam case's practicality.

In this embodiment, the first rotation driving device 44 includes a first rotation motor 441, a speed reducer 442 and a first driving pulley 443, the main rotation shaft 42 is drivingly connected to the input end of the speed reducer 442, the first driving pulley 443 is installed at the output end of the speed reducer 442, the first rotation motor 441 is used for driving the main rotation shaft 42 to rotate, the speed reducer 442 is installed on the box base 41, and the first rotation motor 441 is installed on the speed reducer 442. The first driving pulley 443 is convenient for being in transmission connection with an external structure, and the utilization rate of energy is further improved.

Specifically, the profile of the first cam 45, the profile of the second cam 451, the profile of the third cam 452, the profile of the fourth cam 453, the profile of the fifth cam 454, the profile of the sixth cam 455, the profile of the seventh cam 456, and the profile of the eighth cam 457 are different.

All the technical features in the embodiment can be freely combined according to actual needs.

The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.

Claims

1. A drive cam box characterized in that: the box comprises a box seat, a main rotating shaft rotationally arranged on the box seat, a first slave rotating shaft rotationally arranged on the box seat and a first rotary driving device which is arranged on the box seat and used for driving the main rotating shaft to rotate, wherein the main rotating shaft is coaxially provided with a first cam, a second cam, a third cam and a fourth cam, the first slave rotating shaft is coaxially and rotationally provided with a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod, the contour of the first cam, the contour of the second cam, the contour of the third cam and the contour of the fourth cam are different, the first cam is used for abutting against the input end of the first connecting rod, the second cam is used for abutting against the input end of the second connecting rod, the third cam is used for abutting against the input end of the third connecting rod, the middle part of the first connecting rod and the box seat are connected with a first tension spring, and the middle part of the second connecting rod and the box seat are connected with a second tension spring, a third tension spring is connected between the middle part of the third connecting rod and the box seat, and a fourth tension spring is connected between the middle part of the fourth connecting rod and the box seat.

2. A drive cam box according to claim 1, wherein: the output and the input of first connecting rod all rotate and are provided with first rolling wheel, the output and the input of second connecting rod all rotate and are provided with the second rolling wheel, the output and the input of third connecting rod all rotate and are provided with the third rolling wheel, the output and the input of fourth connecting rod all rotate and are provided with the fourth rolling wheel, first cam rolls with the first rolling wheel of the input of first connecting rod and contradicts, the second rolling wheel of second cam and the input of second connecting rod rolls and contradicts, the third rolling wheel of third cam and the input of third connecting rod rolls and contradicts, the fourth cam rolls with the fourth rolling wheel of the input of fourth connecting rod and contradicts.

3. A drive cam box according to claim 1, wherein: the coaxial fifth cam that is provided with of main axis of rotation, the fifth cam is located between first cam and the second cam, the case seat rotates and is provided with the second from the axis of rotation, the second is followed the coaxial fifth connecting rod and the sixth cam that is provided with of axis of rotation, the fifth connecting rod rotates with the second from the axis of rotation via the bearing and is connected, the input of fifth connecting rod rolls with the fifth cam via the fifth wheel that rolls and contradicts, be connected with the fifth extension spring between the output of fifth connecting rod and the case seat, the middle part of fifth connecting rod rotates and is provided with the sixth connecting rod, the input of sixth connecting rod rolls with the sixth cam via the sixth wheel and contradicts, the case seat has been installed and is used for driving the second to rotate drive arrangement from axis of rotation pivoted second, the profile of fifth cam is inequality with the profile of sixth cam.

4. A drive cam box according to claim 3, wherein: the second rotation driving device comprises a second rotation motor arranged on the box seat, a second driving belt wheel arranged on an output shaft of the second rotation motor, a second driven belt wheel arranged on the second driven rotation shaft, and a second driving belt wound on the second driving belt wheel and the second driven belt wheel, wherein the box seat is provided with an inductor, the second driven belt wheel is provided with an induction sheet used for triggering the inductor, and the inductor is electrically connected with the second rotation motor.

5. A drive cam box according to claim 1, wherein: the main rotating shaft is coaxially provided with a seventh cam, the seventh cam is positioned between a third cam and a fourth cam, the box seat is rotatably provided with a seventh connecting rod, a seventh tension spring is connected between the middle part of the seventh connecting rod and the box seat, the input end of the seventh connecting rod is in rolling contact with the seventh cam through a seventh rolling wheel, the output end of the seventh connecting rod is rotatably connected with a first connecting rod, the output end of the seventh connecting rod is connected with a reset spring, and the reset spring and the first connecting rod are arranged in parallel.

6. A drive cam box according to claim 1, wherein: the coaxial eighth cam that is provided with of main axis of rotation, it is provided with the eighth connecting rod to first follow the coaxial rotation of axis of rotation, the input of eighth connecting rod rolls with the eighth cam via the eighth wheel that rolls and contradicts, be connected with the eighth extension spring between eighth connecting rod and the case seat, the output of eighth connecting rod rotates and is connected with the second connecting rod, the second connecting rod rotates and is connected with the ninth connecting rod, the output of ninth connecting rod rotates and is connected with the third connecting rod.

7. A drive cam box according to claim 1, wherein: the fourth connecting rod is provided with a driving part, a driving cylinder for abutting against the driving part is installed on the box seat, one end of the fourth tension spring is connected with the driving part, and the other end of the fourth tension spring is connected with the box seat.

8. A drive cam box according to claim 1, wherein: the first rotation driving device comprises a first rotation motor, a speed reducer and a first driving belt wheel, the main rotating shaft is in driving connection with the input end of the speed reducer, the first driving belt wheel is arranged at the output end of the speed reducer, the first rotation motor is used for driving the main rotating shaft to rotate, the speed reducer is arranged on the box base, and the first rotation motor is arranged on the speed reducer.