WO2022077801A1

WO2022077801A1 - Universal drive structure

Info

Publication number: WO2022077801A1
Application number: PCT/CN2021/073908
Authority: WO
Inventors: 王国强; 刘坚辉; 王远清
Original assignee: 东莞市冠佳电子设备有限公司
Priority date: 2020-10-15
Filing date: 2021-01-27
Publication date: 2022-04-21
Also published as: CN112192494A

Abstract

Provided is a universal drive structure, comprising a base (1), a linkage assembly (200) mounted on the surface of the base (100), a drive assembly (300) mounted on the base (100) and drive-connected the linkage assembly (200), and a propulsion assembly (400) located on one side of the base (100) and used for driving the the base (100); the linkage assembly (200) comprises an input support base (210) and output support base (220) mounted on the surface of the base (100), an input shaft (230) mounted on the input support base (210), and an output shaft (240) mounted on the output support base (220); a universal joint connector (250) is arranged between the input shaft (230) and the output shaft (240); the end of the output shaft (240) away from the universal joint connector (250) is connected to a universal wrench (260). Using the floating structure in conjunction with the universal wrench for driving, it is possible to achieve drive within a certain range of tolerance and drive performance is good, and the invention has a broad range of applications and high structural reliability.

Description

Universal drive structure

CROSS-REFERENCE TO RELATED APPLICATIONS.

This application claims the priority of the Chinese patent application with the application number 2020111046625 and the invention titled "Universal Drive Structure", which was filed with the China Patent Office on October 15, 2020, the entire contents of which are incorporated into this application by reference.

technical field

The invention relates to the technical field of driving structures, in particular to a universal driving structure.

Background technique

Automation technology is widely used in industry, agriculture, military, scientific research, transportation, commerce, medical care, services and households. The use of automation technology can not only liberate people from heavy manual labor, part of mental labor and harsh and dangerous working environments, but also expand human organ functions, greatly improve labor productivity, and enhance human ability to understand and transform the world . Large-scale complete sets of equipment in an automation system, also known as automation devices. Refers to the process of automatic operation or control of machines or devices according to prescribed procedures or instructions without human intervention.

technical problem

In automation equipment, the drive structure is a conventional design. The current drive structure generally adopts one-to-one drive, which is acceptable in conventional use; but in batch transmission, such as fixtures, assembly line transmission and other structures, the cost is very high. When the driving structure is required to reach the specified position, a general driving structure can be specially designed, but the precision of the general driving structure is difficult to grasp, so further improvements can be made to solve the problem of precision.

technical solutions

According to various embodiments of the present application, a universal drive structure is provided.

The technical scheme adopted by the present invention is: a universal drive structure, comprising a base, an input support seat and an output support seat installed on the surface of the base, an input shaft installed on the input support seat, and an output shaft installed on the output support seat, A universal joint connector is arranged between the input shaft and the output shaft, a drive module on one side of the base away from the input support seat, and the drive module is drivingly connected with the input shaft; the output support seat is installed with a drive module. A rotating bearing, wherein a rotating ring is sleeved inside the rotating bearing, a floating groove is set in the inner diameter of the rotating ring, and the output shaft is arranged in the floating groove.

The details of one or more embodiments of the invention are set forth in the accompanying drawings and the description below. Other features, objects and advantages of the present invention will become apparent from the description, drawings and claims.

beneficial effect

Compared with the traditional driving structure, the present invention adopts the floating structure and the universal wrench for driving, which can realize the driving within a certain range of tolerance. The components are matched with the components that need to be driven to rotate, and then the rotary drive is realized through the driving components. The driving effect is good, the scope of application is wide, and the structural reliability is strong. Specifically, the base, the linkage assembly installed on the surface of the base, the drive assembly installed on the base and drivingly connected with the linkage assembly, and the propulsion assembly located on one side of the base and used to drive the base transmission; the propulsion assembly is used to advance the linear drive action, The transmission stability is good and the precision is high. The drive assembly is used to drive the linkage assembly to rotate, and the rotation drive effect is good.

In addition, the linkage assembly includes an input support seat and an output support seat installed on the surface of the base, an input shaft installed on the input support seat, and an output shaft installed on the output support seat, and a universal joint connection is provided between the input shaft and the output shaft The end of the output shaft facing away from the universal joint connector is connected with a universal wrench. Specifically, the output support seat and the input support seat are used for the installation of the input shaft and the output shaft, and the universal joint connector is used for transmission. Good stability, stable transmission during the floating process, and a universal wrench is also provided, through the cooperation of the universal wrench, it can be adapted to different sizes and sizes of drives, and has a wide range of applications, and has a certain floating space during the driving process. , The drive is realized for the structure within a certain tolerance, the drive effect is good, and the practicability is strong.

Description of drawings

In order to better describe and illustrate embodiments and/or examples of those inventions disclosed herein, reference may be made to one or more of the accompanying drawings. The additional details or examples used to describe the drawings should not be construed as limiting the scope of any of the disclosed inventions, the presently described embodiments and/or examples, and the best mode presently understood of these inventions.

FIG. 1 is a schematic three-dimensional structural diagram of the universal driving structure of the present invention.

FIG. 2 is a schematic three-dimensional structural diagram of the universal driving structure in FIG. 1 from another perspective.

FIG. 3 is a schematic top-view structural diagram of the universal driving structure in FIG. 1 .

FIG. 4 is a schematic cross-sectional structure diagram of A-A in FIG. 3 .

FIG. 5 is a schematic diagram of an exploded structure of the universal driving structure in FIG. 1 .

FIG. 6 is a schematic diagram of an exploded structure of the universal driving structure in FIG. 1 from another perspective.

FIG. 7 is a partial structural schematic diagram of the universal driving structure in FIG. 1 .

FIG. 8 is an enlarged schematic view of the structure at A in FIG. 7 .

FIG. 9 is a schematic structural diagram of the universal sleeve in FIG. 4 .

Description of reference numerals: base 100, connecting table 110, sinking step 120, transmission guide rail 130, first mounting hole 140, second mounting hole 150, first positioning pin 160, second positioning pin 170, linkage assembly 200, input Support seat 210, input mounting table 211, first through hole 212, fixed bushing 213, transmission bearing 214, output support seat 220, output mounting table 221, second through hole 222, rotating bearing 223, rotating ring 224, floating groove 225, spring 226, input shaft 230, output shaft 240, universal joint connector 250, first connection end 251, universal transmission end 252, second connection end 253, first rotating block 254, second rotating block 255, Universal wrench 260, outer sleeve 261, threaded hole 261a, elastic groove 261b, universal sleeve 262, tapered port 263, drive assembly 300, fixing block 310, drive motor 320, first synchronizing wheel 330, second synchronizing The wheel 340 , the timing belt 350 , the propulsion assembly 400 , the mounting seat 410 , the propulsion cylinder 420 , the connection drive ring 430 , and the linkage block 440 .

Embodiments of the present invention

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the related drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that a thorough and complete understanding of the present disclosure is provided.

It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention.

As shown in FIGS. 1 to 9 , a universal drive structure includes a base 100 , a linkage assembly 200 mounted on the surface of the base 100 , a drive assembly 300 installed on the base 100 and drivingly connected to the linkage assembly 200 , and a drive assembly 300 located on the base 100 The propulsion assembly 400 on one side and used to drive the transmission of the base 100 .

Referring to FIG. 5 to FIG. 6 , both sides of the base 100 are integrally formed with a connecting table 110 , the connecting table 110 is provided with a sinking step 120 , the sinking step 120 is installed with a transmission guide rail 130 , and the propulsion assembly 400 The drive base 100 is driven along the transmission guide rail 130, and the installation of the connection table 110 and the installation of the transmission guide rail 130 for sinking into the step 120 can maintain stable transmission, high transmission precision, and strong structural reliability.

A plurality of first installation holes 140 and second installation holes 150 are formed on the surface of the base 100 , a first pin hole is formed on the surface of the base 100 on the side of the first installation hole 140 , and a second pin hole is formed on the side of the second installation hole 150 . A pin hole; the first pin hole is embedded with a first positioning pin 160, and the second pin hole is embedded with a second positioning pin 170; the input support base 210 is provided with an input installation table 211, and the input installation table 211 defines a first through hole 212, and the first through hole 212 corresponds to the first installation hole 140; the output support base 220 is provided with an output installation platform 221, and the output installation platform 221 defines a second through hole 222, The second through hole 222 corresponds to the second installation hole 150, and is fixed through the installation hole with the through hole penetrating the screw, which is convenient for installation. A positioning pin is also provided for positioning the installation position, which has good positioning effect and high installation accuracy. , good structural stability.

Referring to FIGS. 3 to 4 , the linkage assembly 200 includes an input support base 210 and an output support base 220 mounted on the surface of the base 100 , an input shaft 230 mounted on the input support base 210 , and an output shaft 240 mounted on the output support base 220 A universal joint connector 250 is provided between the input shaft 230 and the output shaft 240 for connection, and a universal wrench 260 is connected to one end of the output shaft 240 away from the universal joint connector 250, specifically through the output support seat 220 and the input The support seat 210 is used for the installation of the input shaft 230 and the output shaft 240, and the universal joint connector 250 is used for transmission, which has good transmission stability and maintains stable transmission during the floating process. With the cooperation of the wrench 260, it can be adapted to different sizes and sizes of drives, with a wide range of applications and strong structural reliability.

The input support base 210 is mounted with a fixed bushing 213 , the inner diameter of the fixed bushing 213 is mounted with a transmission bearing 214 , the input shaft 230 is mounted on the transmission bearing 214 , and the input shaft 230 is matched with the fixed bushing 213 and the transmission bearing 214 During the transmission process, it can cooperate with the universal joint connector 250 to achieve synchronous transmission, with high transmission precision and good stability.

The output support base 220 is installed with a rotating bearing 223 , a rotating ring 224 is sleeved inside the rotating bearing 223 , a floating groove 225 is defined in the inner diameter of the rotating ring 224 , and the output shaft 240 is arranged in the floating groove 225 . A spring 226 is arranged between the rotating ring 224 and the universal wrench 260, which has a certain floating space during the driving process, and can be driven according to a structure within a certain tolerance, with good driving effect and strong practicability; a spring 226 and a universal wrench are also arranged. An elastic force is formed between 260, which acts as a buffer when driving, and can also tighten the output shaft 240 and the universal connector to maintain balance and improve the stability of transmission.

There is a gap between the floating groove 225 and the output shaft 240, the size of the gap is 0.5mm~5.0mm, and the size of the gap is 0.5mm~5.0mm, when the gap size is less than 0.5mm, the movable range is small, and the adaptable range Small, when the gap size is greater than 5.0mm, the movable range is too large, and it is prone to large deviation during the matching process, so the gap size is preferably 3.0mm, which can achieve the best movable space.

The universal joint connector 250 includes a first connection end 251 , a universal transmission end 252 and a second connection end 253 . The first connection end 251 is provided with a first rotating block 254 to connect with the universal transmission end 252 . A second rotating block 255 is installed on the end of the universal transmission end 252 away from the first rotating block 254 , the second rotating block 255 is connected with the second connecting end 253 , and the first connecting end 251 is connected with the input shaft 230 , the second connection end 253 is connected with the output shaft 240, and the universal transmission end 252 is matched with the universal transmission end to perform universal transmission, which is more stable and reliable during the transmission process, and will not cause unstable driving due to dimensional deviation. practicality.

Referring to FIGS. 4 to 9 , the universal wrench 260 includes an outer sleeve 261 and a universal sleeve 262 disposed on the inner diameter of the outer sleeve 261. The universal sleeve 262 is connected to the output shaft 240, and the The outer sleeve 261 is opened with a tapered opening 263; the universal sleeve 262 is used for driving. The universal sleeve 262 is a retractable structure using a guide column and a positioning needle. The driving action of the wrench can be realized by pressing the standard nut or bolt. A conical opening 263 structure is also provided, through which the structure to be driven is guided, and is better guided into the universal sleeve 262 for driving.

The outer diameter of the outer sleeve 261 is provided with a threaded hole 261a, the outer sleeve 261 is fixed and locked to the outer diameter of the universal sleeve 262 by screws, and the outer sleeve 261 and the universal sleeve 262 are fixedly connected through the threaded hole 261a, ensure the stability of the structure.

The outer sleeve 261 is provided with an elastic groove 261b, and the spring 226 is sleeved in the elastic groove 261b; the elastic groove 261b is used for the connection and fixation of the spring 226 to improve the stability and linkage of the structure.

The drive assembly 300 includes a fixed block 310 mounted on the base 100 , and a drive motor 320 mounted on the fixed block 310 . The driving end of the drive motor 320 is connected with a first synchronizing wheel 330 , and the input shaft 230 is away from the universal joint connector 250 . One end is connected with a second synchronizing wheel 340, and a synchronous belt 350 is set between the first synchronizing wheel 330 and the second synchronizing wheel 340 for synchronous transmission connection; a locking screw is installed between the second synchronizing wheel 340 and the input shaft 230. The cap, specifically, realizes synchronous transmission through synchronizing wheel and synchronous belt 350, and realizes rotation through driving motor 320, with good driving effect, stable and reliable structure, and also provided with locking nut for separation, and the installation stability is good.

The propulsion assembly 400 includes a mounting seat 410 and a propulsion cylinder 420 mounted on the mounting seat 410 . The driving end of the propulsion cylinder 420 is drivingly connected to a driving ring 430 , and the driving ring 430 is clamped with a linkage block 440 , and the linkage block 440 It is fixedly connected with the base 100, and adopts the propulsion cylinder 420 to cooperate with the drive ring 430 and the linkage block 440 to drive the base 100 to drive. During the transmission process, it follows the linear transmission realized by the transmission guide rail 130. The transmission precision is high, the drive and separation are convenient, and the structure is stable. reliable.

The present invention adopts the floating structure and the universal wrench 260 for driving, which can realize the driving within a certain range of tolerance. The driving base 100 drives the linear transmission of the structure through the propulsion assembly 400. When the transmission reaches the designated position, the linkage assembly 200 is used to match the needs. The components that drive the rotation are then driven to rotate by the driving assembly 300, and the driving effect is good, the scope of application is wide, and the structural reliability is strong. Specifically, the base 100, the linkage assembly 200 installed on the surface of the base 100, the drive assembly 300 installed on the base 100 and drivingly connected to the linkage assembly 200, and the propulsion assembly 400 located on one side of the base 100 and used to drive the base 100; The propulsion component 400 is used for advancing the linear driving action, and has good transmission stability and high precision. The driving component 300 is used for driving the linkage component 200 to rotate, and the rotational driving effect is good.

The above-mentioned embodiments only represent several embodiments of the present invention, and the descriptions thereof are specific and detailed, but should not be construed as a limitation on the scope of the patent of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can also be made, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention should be subject to the appended claims.

Claims

A universal drive structure includes a base, a linkage assembly mounted on the surface of the base, a drive assembly installed on the base and drivingly connected with the linkage assembly, and a propulsion assembly located on one side of the base and used to drive the base transmission;

The linkage assembly includes an input support seat and an output support seat installed on the surface of the base, an input shaft installed on the input support seat, and an output shaft installed on the output support seat, and a universal joint connection is provided between the input shaft and the output shaft A universal wrench is connected to one end of the output shaft facing away from the universal joint connector.
The universal drive structure according to claim 1, wherein a connecting table is integrally formed on both sides of the base, the connecting table is provided with a sinking step, and a transmission guide rail is installed on the sinking step, and the The propulsion assembly drives the base to drive along the transmission guide rail.
The universal drive structure according to claim 1, wherein a plurality of first installation holes and second installation holes are formed on the surface of the base, and a first pin hole is formed on the surface of the base on one side of the first installation hole . A second pin hole is provided on one side of the second installation hole;

The first pin hole is embedded with a first positioning pin, and the second pin hole is embedded with a second positioning pin;

The input support base is provided with an input installation platform, the input installation platform defines a first through hole, and the first through hole corresponds to the first installation hole;

The output support base is provided with an output installation table, and the output installation table defines a second through hole, and the second through hole corresponds to the second installation hole.
The universal drive structure according to claim 1, wherein a fixed bushing is installed on the input support base, a transmission bearing is installed on the inner diameter of the fixed bushing, and the input shaft is installed on the transmission bearing.
The universal drive structure according to claim 1, wherein a rotating bearing is installed on the output support base, a rotating ring is sleeved inside the rotating bearing, a floating groove is formed in the inner diameter of the rotating ring, and the output shaft is It is arranged in the floating groove, and a spring is arranged between the rotating ring and the universal wrench.
The universal drive structure according to claim 5, characterized in that: there is a gap between the floating groove and the output shaft, and the size of the gap is 0.5mm~5.0mm.
The universal drive structure according to claim 6, wherein the universal wrench comprises an outer sleeve and a universal sleeve arranged on the inner diameter of the outer sleeve, and the universal sleeve is connected to the output shaft , a tapered opening is set at the opening position of the outer sleeve;

The outer sleeve is provided with an elastic groove, and the spring is sleeved in the elastic groove;

The outer diameter of the outer sleeve is provided with threaded holes, and the outer sleeve is fixed and locked to the outer diameter of the universal sleeve by screws.
The universal drive structure according to claim 1, wherein the universal joint connector comprises a first connection end, a universal transmission end and a second connection end, and the first connection end is provided with a first rotation The block is connected with the universal transmission end, and a second rotation block is installed at the end of the universal transmission end away from the first rotation block, and the second rotation block is connected with the second connection end;

The first connection end is connected with the input shaft, and the second connection end is connected with the output shaft.
The universal drive structure according to claim 1, wherein the drive assembly comprises a fixed block mounted on the base and a drive motor mounted on the fixed block, and the drive end of the drive motor is connected with a first synchronizing wheel, so One end of the input shaft away from the universal joint connector is connected with a second synchronizing wheel, and a synchronous belt synchronous transmission connection is arranged between the first synchronizing wheel and the second synchronizing wheel;

A locking nut is installed between the second synchronizing wheel and the input shaft.
The universal drive structure according to claim 1, wherein the propulsion assembly comprises a mounting seat and a propulsion cylinder mounted on the mounting seat, the drive end of the propulsion cylinder is driven to connect with a drive ring, and the drive ring is clamped A linkage block is connected, and the linkage block is fixedly connected with the base.