CN217328321U

CN217328321U - Follow-up type reciprocating mechanism

Info

Publication number: CN217328321U
Application number: CN202221014477.1U
Authority: CN
Inventors: 康志文
Original assignee: Wuhan Youmeike Automation Co ltd
Current assignee: Wuhan Youmeike Automation Co ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-08-30
Anticipated expiration: 2032-04-28

Abstract

The utility model discloses a trailing type reciprocating motion mechanism, include: the screw rod transmission mechanism is arranged on the base, an active loading platform is fixedly arranged in the middle of the screw rod transmission mechanism, and the active loading platform is driven by the screw rod transmission mechanism to reciprocate on the base along a linear guide rail; two sides of the active carrying platform are respectively provided with a follow-up carrying platform; the active carrier and the follow-up carrier are linked through a hook follower; the hook follower comprises a hook hinged on one side of the driving carrier, a hook stop block used for limiting the position of the hook and a hook pull shaft, a flange is arranged in the middle of the hook, a step part is arranged at the tail end of the hook, a hook fulcrum is arranged on the side surface of the base, the hook stop block is fixed on the side surface of the driving carrier, and the hook pull shaft is fixed on the side surface of the follow-up carrier.

Description

Follow-up type reciprocating mechanism

Technical Field

The utility model relates to a drive mechanism technical field specifically is a trailing type reciprocating motion mechanism.

Background

In mechanical equipment, a plurality of carrying platforms are required to perform reciprocating translational motion on the same track at the same time, and in some cases, two carrying platforms are required to perform synchronous motion, in order to achieve the synchronous motion, a conventional method is to arrange an independent driving system and a transmission system on a follow-up carrying platform, and the scheme needs a plurality of sets of driving systems and transmission mechanisms, so that the cost is high, and meanwhile, the logic relation among the motions is very complex, a complex position sensing system is required, and collision accidents are easy to occur.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a follow-up reciprocating motion mechanism to solve the problem that the current follow-up reciprocating motion mechanism who proposes in the above-mentioned background art exists complicated, with high costs and the reliability difference of structure when realizing two microscope carrier synchronous motion.

In order to achieve the above object, the utility model provides a following technical scheme: a follower type reciprocating mechanism comprising: the screw rod transmission mechanism is arranged on the base, an active loading platform is fixedly arranged in the middle of the screw rod transmission mechanism, and the active loading platform is driven by the screw rod transmission mechanism to reciprocate on the base along a linear guide rail; two sides of the active carrying platform are respectively provided with a follow-up carrying platform; the active carrier and the follow-up carrier are linked through a hook follower; the hook follower comprises a hook hinged on one side of the driving carrier, a hook stop block used for limiting the position of the hook and a hook pull shaft, a flange is arranged in the middle of the hook, a step part is arranged at the tail end of the hook, a hook fulcrum is arranged on the side surface of the base, the hook stop block is fixed on the side surface of the driving carrier, the hook pull shaft is fixed on the side surface of the follow-up carrier, when the driving carrier moves to be close to the follow-up carrier, the flange in the middle of the hook is abutted to the hook fulcrum, the hook is hooked with the hook pull shaft, and the hook stop block blocks the step part at the tail end of the hook, so that the linkage of the driving carrier and the follow-up carrier is realized; similarly, when the driving carrying platform moves to be close to the follow-up carrying platform on the other side under the driving of the screw rod transmission mechanism, the driving carrying platform is linked with the follow-up carrying platform on the other side.

Preferably, a through hole is further formed between the hook flange and the tail end step portion, and the hook rotating shaft penetrates through the through hole to hinge the hook to the side surface of the base.

Preferably, the bottom of the side face of the base is further provided with a guide rod, the guide rod is provided with a clamping groove and a hook fulcrum sliding block, the hook fulcrum sliding block is clamped in the clamping groove, and the hook fulcrum is installed on the hook fulcrum sliding block.

Preferably, the screw rod transmission mechanism comprises a screw rod fixed at the top of the base through a group of bearing seats and further comprises a driving motor, and an output shaft of the driving motor drives the screw rod to rotate through a coupler.

Compared with the prior art, the beneficial effects of the utility model are that:

the follow-up type reciprocating motion mechanism is connected with the driving carrier and the follow-up carrier through a hook assembly with exquisite design, so that the follow-up carrier completely moves along with the driving carrier in a certain section of stroke in the whole stroke process of the reciprocating motion of the driving carrier, the speeds of the follow-up carrier and the driving carrier are kept to be the same, the relative position is unchanged, and when the follow-up carrier returns to a specified position, the follow-up carrier automatically separates from the driving carrier, stops at a set position and waits for the motion of the next period. Compared with other mechanisms with similar functions, the mechanism has the advantages of simple structure, low cost and high reliability.

Drawings

FIG. 1 is a schematic structural view of the present invention;

in the figure: 1. a base; 2. a bearing seat; 3. a linear guide rail; 4. a screw rod; 5. a servo-actuated stage; 6. an active stage; 7. a coupling; 8. a drive motor; 9. a guide bar; 10. the hook pulls the shaft; 11. a hook fulcrum slider; 12. hooking; 13. a hook rotating shaft; 14. a hook stop block; 15. a hook fulcrum.

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.

Referring to fig. 1, the present invention provides a technical solution: a follower type reciprocating mechanism comprising: a linear guide rail 3 and a screw rod 4 are arranged above the base 1, and a driving carrying platform 6 and a follow-up carrying platform 5 are fixed on a sliding block of the linear guide rail 3 and can do linear motion along the direction of the base. The nut of the screw rod 4 is connected with the active carrying platform 6, the driving motor 8 is connected with the end part of the screw rod through the coupler 7, and the reciprocating motion of the active carrying platform 6 can be realized by controlling the operation of the motor 8. The follow-up carrying platform 5 is not connected with the screw rod 4, and a transmission system and a power system are not required to be arranged. The base openly is installed and is used for realizing that follow-up microscope carrier 5 follows initiative microscope carrier 6 and does the couple follower of translational motion, and the couple follower includes: the hook comprises a guide rod 9, a hook pull shaft 10, a hook fulcrum slide block 11, a hook 12, a hook rotating shaft 13, a hook stop 14 and a hook fulcrum 15. The hook 12, the hook rotating shaft 13 and the hook stopper are mounted on the active carrier 6, the hook pull shaft 10 is mounted on the follow-up carrier 5, and the guide rod 9 is fixed on the front surface of the base 1. The middle part of the hook 12 is provided with a flange, the tail end of the hook is provided with a step part, the side surface of the base is provided with a hook fulcrum 15, the hook stop block 14 is fixed on the side surface of the driving carrier 6, and the hook pull shaft 10 is fixed on the side surface of the follow-up carrier 5. The hook fulcrum slider 11 is mounted on the guide bar 9, and can be adjusted in position in the length direction along the guide bar 9. The hook fulcrum 15 is arranged on the hook fulcrum sliding block 11 and is used for jacking the hook 12 to realize the functions of connection and disconnection between the hook 12 and the hook pull shaft 10.

The working principle is as follows: the bearing seat 2 is installed on the hook rotating shaft 13, and the hook 12 can flexibly rotate around the hook rotating shaft 13. By the limiting function of the hook stopper, the hook can keep a horizontal posture under the action of gravity (as the right hook 12 in the figure is in the horizontal posture). The active carrying platform 6 can reciprocate on the base 1 along the guide rail 2 under the drive of the motor 8 and the screw rod 4. When the active carrier 6 brings the hook 12 into contact with the hook fulcrum 15, the hook fulcrum 15 can jack up the hook 12 (as the hook 12 on the left side in the figure is in a jacked posture), when the active carrier 6 brings the hook 12 to continue moving, the hook fulcrum 15 crosses the fulcrum on the lower part of the hook 12, the hook 12 can slowly recover to a horizontal posture, when the hook 12 recovers to the horizontal posture, the hook pull shaft 10 is just nested with the notch on the hook 12, and at the moment, the active carrier 6 can push the follow-up carrier 5 to move forwards through the hook 12. After the active carrier 6 returns, the hook 12 continues to pull the follow-up carrier 5 to return, the hook 12 on the left side is jacked up when meeting the hook fulcrum 15 on the left side in the return process, at the moment, the hook 12 is separated from the hook pull shaft 10 on the left side, and the follow-up carrier 5 stops at a separation position to wait for the next reciprocating motion. When the driving carrier 6 moves to the right and contacts the hook pivot 15 on the right side, the follow-up carrier 5 on the right side is driven to move horizontally by the same principle. The reciprocating can realize that the follow-up carrying platforms 5 at the two sides always move together with the active carrying platform within a certain range.

The initial point of the movement of the follow-up carrying platform can be changed by adjusting the position of the hook fulcrum slide block 11, so that the requirements of various working states are met.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A follow-up type reciprocating mechanism comprises a base and a screw rod transmission mechanism arranged on the base, and is characterized in that a driving carrying platform is fixedly arranged in the middle of the screw rod transmission mechanism and driven by the screw rod transmission mechanism to reciprocate on the base along a linear guide rail; two sides of the active carrying platform are respectively provided with a follow-up carrying platform; the active carrier and the follow-up carrier are linked through a hook follower; the hook follower comprises a hook hinged to one side of the driving carrier, a hook stop block used for limiting the position of the hook and a hook pull shaft, a flange is arranged in the middle of the hook, a step part is arranged at the tail end of the hook, a hook fulcrum is arranged on the side surface of the base, the hook stop block is fixed on the side surface of the driving carrier, the hook pull shaft is fixed on the side surface of the follow-up carrier, after the driving carrier moves to be close to the follow-up carrier, the flange in the middle of the hook abuts against the hook fulcrum, the hook is hooked with the hook pull shaft, and the hook stop block blocks the step part at the tail end of the hook, so that the linkage of the driving carrier and the follow-up carrier is realized; similarly, when the active carrying platform is driven by the screw rod transmission mechanism to move to be close to the follow-up carrying platform at the other side, the active carrying platform is linked with the follow-up carrying platform at the other side.

2. A follow-up type reciprocating mechanism according to claim 1, wherein a through hole is further provided between the hook flange and the tail end step portion, and the hook rotating shaft is passed through the through hole to hinge the hook to the side surface of the base.

3. A follower type reciprocating mechanism as defined in claim 2 wherein, a guide bar is further provided at the bottom of the side surface of the base, the guide bar is provided with a slot and a hook fulcrum slider, the hook fulcrum slider is engaged with the slot, and the hook fulcrum is mounted on the hook fulcrum slider.

4. A follow-up type reciprocating mechanism according to claim 1, wherein the screw rod transmission mechanism comprises a screw rod fixed on the top of the base through a set of bearing seats, and further comprises a driving motor, and an output shaft of the driving motor drives the screw rod to rotate through a coupling.