WO2022077609A1

WO2022077609A1 - Rapid tensioning mechanism for synchronous pulley

Info

Publication number: WO2022077609A1
Application number: PCT/CN2020/126006
Authority: WO
Inventors: 周敏
Original assignee: 苏州舍勒智能科技有限公司
Priority date: 2020-10-16
Filing date: 2020-11-03
Publication date: 2022-04-21
Also published as: CN112128326A

Abstract

A rapid tensioning mechanism for a synchronous pulley. The rapid tensioning mechanism comprises an electric actuator module, an electric motor, a motor cover, a tensioning assembly and a jackscrew. In this manner, during tensioning adjustment, a rear cover plate of the motor cover is opened, and a tensioning effect is achieved by directly adjusting the jackscrew outside, such that working hours for disassembly and assembly are saved on, a processing cost is saved on, high efficiency and reduced costs are achieved, and the tensioning problem of a synchronous belt is efficiently and effectively solved.

Description

A quick tensioning mechanism for synchronous pulleys

technical field

The invention relates to the field of synchronous belt tensioning when a servo motor of an electric cylinder module is connected to the side, in particular to a fast tensioning mechanism for synchronous belt pulleys.

Background technique

During the assembly process of the electric cylinder module, due to the limited installation space of the electric cylinder module, the servo motor of the electric cylinder module needs to be installed side by side with the synchronous pulley. At present, when most motors are installed side-by-side, the synchronous belt is tightened It is necessary to open the rear end cover of the motor and adjust the inner screw top to tighten the tightening plate to move the motor backward to achieve the tightening effect. However, this method needs to disassemble and assemble the rear end cover of the motor plate, and the processing of the motor plate is more complicated, the cost of the processed parts is high, and It is troublesome to disassemble and assemble when adjusting.

SUMMARY OF THE INVENTION

The main technical problem to be solved by the present invention is to provide a fast tensioning mechanism for synchronous pulleys.

In order to solve the above-mentioned technical problems, a technical scheme adopted in the present invention is:

Provide a synchronous pulley fast tightening mechanism, including: an electric cylinder module, a motor, a motor cover, a tensioning assembly and a jacking wire, a driven wheel is installed on the output shaft of the electric cylinder module, and the output shaft of the motor The driving wheel is installed on the top, the outer casing of the synchronous belt is assembled on the driving wheel and the driven wheel, the motor cover is arranged on the output shaft end of the electric cylinder module and the output shaft end of the motor, and the tensioning assembly is arranged inside the motor cover. It includes a plurality of bearings mounted on bolts in parallel with each other, the shell of the bearing is against the synchronous belt and the tensioning assembly can move in the vertical direction of the synchronous belt, and the top wire passes through the motor cover and its end part against the bolt.

In a preferred embodiment of the present invention, the driven wheel is installed on the output shaft of the electric cylinder module through a key connection.

In a preferred embodiment of the present invention, the driving wheel is installed on the output shaft of the motor through a key connection.

In a preferred embodiment of the present invention, the motor cover is respectively connected with the electric cylinder module and the motor through screws.

In a preferred embodiment of the present invention, the radial direction of the screw of the bolt is perpendicular to the timing belt.

In a preferred embodiment of the present invention, the housing of the bearing is vertically abutted against the timing belt.

In a preferred embodiment of the present invention, a U-shaped hole is provided inside the motor cover, and the tail end of the bolt passes through the U-shaped hole and is locked by a nut.

In a preferred embodiment of the present invention, the number of the bearings is four.

In a preferred embodiment of the present invention, an adjustment hole is provided on the motor cover.

In a preferred embodiment of the present invention, the head end of the top wire is exposed through the adjustment hole.

The beneficial effects of the present invention are: to provide a fast tensioning mechanism for synchronous pulleys, when tensioning adjustment, the rear cover plate of the motor cover is opened, and the tensioning effect is achieved by directly adjusting the top wire externally, which not only saves the time of disassembly and assembly, It also saves processing costs, is efficient and cost-reduced, and solves the problem of synchronous belt tensioning efficiently and effectively.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, under the premise of no creative work, other drawings can also be obtained from these drawings, wherein:

1 is a partial cross-sectional view of the overall structure of a preferred embodiment of a synchronous pulley quick tightening mechanism of the present invention;

Fig. 2 is a side view of a preferred embodiment of a synchronous pulley quick tensioning mechanism of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Referring to Figures 1-2, embodiments of the present invention include:

A quick tensioning mechanism for a synchronous pulley includes: an electric cylinder module 1, a motor 2, a motor cover 3, a tensioning assembly 4, a jacking wire 5, a driving pulley 6, a driven pulley 7 and a synchronous belt 8.

The driven wheel is installed on the output shaft of the electric cylinder module 1 through a key connection, the driving wheel 6 is installed on the output shaft of the motor 2 through a key connection, and the motor cover 3 is arranged on the electric cylinder module 1. , the respective output shaft ends of the motor 2, and are locked and connected by screws.

The driven wheel is installed on the output shaft of the electric cylinder module 1, the driving wheel 6 is installed on the output shaft of the motor 2, the synchronous belt 8 is jacketed on the driving wheel 6 and the driven wheel, and the motor 2 drives the driving wheel 6 to rotate synchronously , the driving wheel 6 drives the driven wheel 7 to rotate synchronously through the synchronous belt 8, and then drives the electric cylinder module 1 to move and do work.

The tensioning assembly 4 of the present application can not only solve the tensioning problem of the synchronous belt 8 when the servo motor 2 on the electric cylinder module 1 is connected to the side, but also can be applied to the tensioning problem of the synchronous belt 8 in other driving modes.

The motor cover 3 is arranged on the shaft end of the electric cylinder module 1 and the shaft end of the motor 2 , the tensioning assembly 4 is arranged inside the motor cover 3 , and the tensioning assembly 4 includes a plurality of parallel sleeves mounted on the bolts 41 . In this embodiment, the number of the bearings 42 is four, the housing of the bearings 42 is against the timing belt 8 and the tensioning assembly 4 can move along the vertical direction of the timing belt 8, The top wire 5 is passed through the motor cover 3 and its end portion is against the bolt 41 .

When assembling:

The motor cover 3 is mounted on the output shaft end of the electric cylinder module 1 through screws;

After the servo motor 2 is assembled with the driving wheel 6, it is integrally passed through the motor cover 3, and the driving wheel 6 is located in its interior, and is locked by screws, and the timing belt 8 is assembled with the driving wheel 6 and the driven wheel 7;

Use M5 bolts 41 to connect the four bearings 42 in series, the radial direction of the screw of the bolts 41 is perpendicular to the timing belt 8, the motor cover 3 is provided with a U-shaped hole, and the tail end of the bolt 41 passes through the U-shaped hole and Float lock through nut 9;

The motor cover 3 is provided with an adjustment hole, the jack screw 5 passes through the adjustment hole, and the head end of the jack screw 5 is exposed in the adjustment hole. Tighten the jack screw 5 outside the motor cover 3, and push the M5 bolt 41 when the jack screw 5 is screwed in. Move toward the synchronous belt 8 so that the housing of the bearing 42 vertically presses against the synchronous belt 8 to realize the tightening of the synchronous belt 8, tighten the nut 9 to fix the tightening assembly 4, and install the rear cover of the motor cover 3 to complete the tightening adjustment.

The above descriptions are only the embodiments of the present invention, and are not intended to limit the scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description of the present invention, or directly or indirectly applied in other related technical fields, will be Similarly, it is included in the scope of patent protection of the present invention.

Claims

A synchronous pulley fast tightening mechanism is characterized by comprising: an electric cylinder module, a motor, a motor cover, a tensioning assembly and a jacking wire, a driven wheel is installed on the output shaft of the electric cylinder module, and the motor The driving wheel is installed on the output shaft of the synchronous belt, the outer casing of the synchronous belt is assembled on the driving wheel and the driven wheel, the motor cover is arranged on the output shaft end of the electric cylinder module and the output shaft end of the motor, and the tensioning assembly is arranged inside the motor cover. The tensioning assembly includes a plurality of bearings mounted on the bolts in parallel with each other, the housing of the bearings is against the timing belt and the tensioning assembly can move along the vertical direction of the timing belt, the jacking wire passes through the motor cover and Its end portion abuts the bolt.
A quick tensioning mechanism for a synchronous pulley according to claim 1, wherein the driven pulley is installed on the output shaft of the electric cylinder module by means of a key connection.
The quick tensioning mechanism for a synchronous pulley according to claim 1, wherein the driving pulley is installed on the output shaft of the motor by means of a key connection.
The synchronous pulley quick tightening mechanism according to claim 1, wherein the motor cover is respectively connected with the electric cylinder module and the motor through screws.
The synchronous pulley quick tightening mechanism according to claim 1, wherein the radial direction of the screw rod of the bolt is perpendicular to the synchronous belt.
The quick tensioning mechanism for a synchronous pulley according to claim 1, wherein the housing of the bearing is vertically abutted against the synchronous belt.
The synchronous pulley quick tightening mechanism according to claim 1, wherein a U-shaped hole is arranged inside the motor cover, and the tail end of the bolt passes through the U-shaped hole and is locked by a nut.
The quick tensioning mechanism for a synchronous pulley according to claim 1, wherein the number of the bearings is four.
A synchronous pulley quick tensioning mechanism according to claim 1, characterized in that, an adjustment hole is provided on the motor cover.
The quick tensioning mechanism for a synchronous pulley according to claim 9, wherein the head end of the jacking wire is exposed through the adjustment hole.