阅读说明：本技术 一种旋转平移机构 (Rotary translation mechanism ) 是由 孟得干 于 2019-12-21 设计创作，主要内容包括：本发明公开了一种旋转平移机构,包括：机架,设置在所述机架内部下层的旋转组件,及设置在所述机架内部上层并由所述旋转组件驱动旋转的链传动组件,所述链传动组件用于工件的水平移动。本发明设计简单、合理,结构紧凑,操作方便、舒适,装配过程平稳、可靠,使用带有摩擦片的摩擦辊轮,可借摩擦力传动,积放保护工装和传动部件,通用性强,不仅能够节约人力物力,还能保证产品装配质量,提高装配效率；利用电气控制可实现0-90度旋转,通用性强,配有回转支撑轴承,电机带动载重力大,利用气缸实现定位,再由上面传输机构开始启动,装配过程平稳且基准度高。(The invention discloses a rotary translation mechanism, comprising: the chain transmission device comprises a rack, a rotating assembly arranged on the lower layer in the rack, and a chain transmission assembly arranged on the upper layer in the rack and driven by the rotating assembly to rotate, wherein the chain transmission assembly is used for horizontally moving a workpiece. The invention has simple and reasonable design, compact structure, convenient and comfortable operation and stable and reliable assembly process, uses the friction roller with the friction plate, can transmit by virtue of friction force, accumulates and protects the tool and the transmission part, has strong universality, can save manpower and material resources, can also ensure the assembly quality of products and improve the assembly efficiency; the electric control is utilized to realize the rotation of 0-90 degrees, the universality is strong, the rotary support bearing is arranged, the motor drives the load to have large gravity, the positioning is realized by utilizing the air cylinder, the transmission mechanism starts to start from the upper surface, the assembly process is stable, and the reference degree is high.)

1. A rotary-translational mechanism, comprising: the device comprises a rack (1-1), a rotating assembly (3) arranged at the lower layer in the rack (1-1), and a chain transmission assembly (2) arranged at the upper layer in the rack (1-1) and driven by the rotating assembly (3) to rotate, wherein the chain transmission assembly (2) is used for horizontally moving a workpiece;

the rotating assembly (3) comprises: the rotary table comprises a lower rotary table base (3-1) and an upper rotary base (3-2), wherein a rotary table gear (3-3) and a rotary support bearing (3-4) are arranged between the rotary table base (3-1) and the rotary base (3-2), a rotary motor (3-5) is arranged on the rotary base (3-2) to drive the rotary table gear (3-3) to rotate, and the rotary table gear (3-3) drives the rotary support bearing (3-4) to rotate to drive the rotary base (3-2) to rotate by 0-90 degrees;

the chain drive assembly (2) comprises: the wire body sectional material (2-3) is symmetrically arranged on the rotary base (3-2), driven shafts (2-25) are arranged on the wire body sectional material (2-3) in parallel through bearing seats (2-10), one ends, located on the inner side of the wire body sectional material (2-3), of the driven shafts (2-25) are provided with friction rollers (2-13), and one ends, located on the outer side of the wire body sectional material (2-3), of the driven shafts (2-25) are provided with chain wheels (2-5); also comprises a driving motor (2-1), a chain wheel (2-5) is arranged on a motor shaft (2-4) of the driving motor (2-1), the motor shaft (2-4) is connected to the driving shaft (2-7) through a chain wheel (2-5) and a chain (2-6), two ends of the driving shaft (2-7) are respectively arranged on the line body sectional materials (2-3) at two sides through bearings, and two ends of the driving shaft (2-7) are respectively provided with a driving wheel (2-9), the driving wheels (2-9) are matched with the chains (2-6) to drive the chain wheels (2-5) and the driven shafts (2-25) on the linear body profiles (2-3) at two sides so as to drive the friction rollers (2-13) at two sides to synchronously rotate.

2. The mechanism according to claim 1, wherein the rotating base (3-2) is further provided with support frames (1-2) at both sides of the chain transmission assembly (2), and sealing plates (5) at both sides of the chain transmission assembly (2) are installed through the support frames (1-2), and a cover plate (4) is arranged between the wire body profiles (2-3) of the chain transmission assembly (2), and the cover plate (4) is provided with an opening to expose the friction roller (2-13).

3. A rototranslation mechanism according to claim 1, wherein a motor mount (3-6) and a motor adjustment plate (3-7) are provided below the rotary motor (3-5) to mount the rotary motor (3-5) on the swivel base (3-2) through the motor mount (3-6) and to adjust a mounting position through the motor adjustment plate (3-7).

4. A rotary-translation mechanism according to claim 1, wherein the turntable base (3-1) is further provided with a buffer fixing plate (3-8) located between the turntable base (3-1) and the rotary base (3-2), and an oil buffer (3-9) mounted on the buffer fixing plate (3-8); the turntable base (3-1) is also provided with a limiting block (3-10) to limit the rotating position.

5. A rototranslation mechanism according to claim 1, characterized in that the turntable base (3-1) is further provided with a second sensor holder (3-11) for mounting a sensor, and the sensor electrically controls the rotary motor (3-5) to start the rotary motion when sensing the workpiece.

6. A rototranslation mechanism according to claim 1, characterized in that four corners of said turret base (3-1) are provided with fixtures (3-12) for mounting said turret base (3-1) to said frame (1-1), and feet cups (3-13) are provided at the bottoms of four corners of said turret base (3-1) for supporting said rotation assembly (3) and chain transmission assembly (2) for stable fuselage transmission; four corners of the upper side of the turntable base (3-1) are also provided with hanging rings (3-14) for lifting and transporting.

7. A rototranslation mechanism according to claim 1, characterized in that the driving motor (2-1) is installed at the bottom of the wire body profile (2-3) on one side through a motor plate (2-2), and the inner side of the wire body profile (2-3) is installed on a friction guide bar (2-15) between the wire body profile (2-3) and a friction roller (2-13), and the upper side of the wire body profile (2-3) is installed with a guide closing plate (2-16) to stabilize the fuselage transmission.

8. A rototranslation mechanism according to claim 1, characterized in that the chain transmission assembly (2) further comprises a stop mechanism comprising stop seats (2-18) mounted on the rotary seats (3-2) and stop stops (2-17) mounted on the stop seats (2-18), and a non-return device comprising non-return bottom plates (2-20) mounted on the rotary seats (3-2) and non-return stops (2-19) mounted on the non-return bottom plates (2-20), the stop stops (2-17) being stopped when a workpiece enters, while the non-return stops (2-19) are activated to prevent rebound of the workpiece.

9. A rototranslation mechanism according to claim 1, characterized in that the linear body profiles (2-3) on both sides are connected by a cross-brace (2-21), and the bottom of the linear body profiles (2-3) is fixedly mounted on the rotary base (3-2) by a support leg (2-22).

10. A rototranslation mechanism according to claim 1, characterized in that the wire body profiles (2-3) are provided with switch brackets (2-23) at the ends for mounting proximity switches and with inductor brackets one (2-24) in the middle for mounting inductors.

Technical Field

The invention relates to the technical field of conveying line equipment, in particular to a rotary translation mechanism for a workpiece tray in a conveying line.

Background

As the demand of automobile products is getting larger and larger, the automobile engine is used as the source of automobile power, and the assembly quality is the centralized embodiment of the technical performance of the whole automobile. In the assembly process flow of the automobile engine roller way conveying line, the rotary translation mechanism is an important bearing and conveying tool of the engine conveying line, at present, a common rotary mechanism is generally pushed by an air cylinder, the conveying angle is fixed, only a workpiece with a small load capacity can be conveyed, the universality is poor, and the air cylinder cost is high. When the engine conveying line workpiece tray with different angles and high load needs to be assembled, a new tray is often needed to be replaced or redesigned, so that the waste of resources is caused, the production and assembly cost is increased, and the working efficiency is influenced.

Disclosure of Invention

In order to solve the above technical problem, the present invention provides a rotational translation mechanism, including: the chain transmission mechanism comprises a rack, a rotating assembly arranged at the lower layer in the rack, and a chain transmission assembly arranged at the upper layer in the rack and driven by the rotating assembly to rotate, wherein the chain transmission assembly is used for horizontally moving a workpiece;

the rotating assembly includes: the rotary table comprises a lower rotary table base and an upper rotary base, wherein a rotary table gear and a rotary support bearing are arranged between the rotary table base and the rotary base, a rotary motor is arranged on the rotary base to drive the rotary table gear to rotate, and the rotary table gear drives the rotary support bearing to rotate so as to drive the rotary base to rotate by 0-90 degrees;

the chain drive assembly comprises: the driving device comprises a rotary base, a driven shaft, a friction roller and a chain wheel, wherein the rotary base is symmetrically arranged on a line body profile, the driven shaft is arranged on the line body profile in parallel through a bearing seat, one end of the driven shaft, which is positioned on the inner side of the line body profile, is provided with the friction roller, and one end of the driven shaft, which is positioned on the outer side of the line; the friction roller is characterized by further comprising a driving motor, a chain wheel is arranged on a motor shaft of the driving motor, the motor shaft is connected to a driving shaft through the chain wheel and a chain, two ends of the driving shaft are respectively installed on the line body profiles on two sides through bearings, driving wheels are respectively arranged at two ends of the driving shaft, and the driving wheels are matched with the chain to drive the chain wheel and the driven shaft on the line body profiles on two sides and further drive the friction rollers on two sides to synchronously rotate.

Furthermore, the revolving base is further provided with support frames positioned on two sides of the chain transmission assembly, seal plates positioned on two sides of the chain transmission assembly are installed through the support frames, a cover plate is arranged between the line body profiles of the chain transmission assembly, and the cover plate is provided with an opening to expose the friction roller.

Further, a motor base and a motor adjusting plate are arranged below the rotating motor, so that the rotating motor is installed on the rotary base through the motor base and the installation position of the rotating motor is adjusted through the motor adjusting plate.

Further, a buffer fixing plate positioned between the turntable base and the rotary base and an oil pressure buffer arranged on the buffer fixing plate are also arranged on the turntable base; the turntable base is further provided with a limiting block to limit the rotating position.

Further, an inductor support II is further arranged on the rotary table base and used for installing an inductor, and when the inductor induces a workpiece, the rotating motor is electrically controlled to start rotating.

Furthermore, four corners of the turntable base are provided with fixing parts for mounting the turntable base on the rack, and the bottoms of the four corners of the turntable base are provided with foot cups for supporting the rotating assembly and the chain transmission assembly to stabilize the transmission of the machine body; four corners of the upper side of the turntable base are further provided with lifting rings for lifting and transporting.

Furthermore, the driving motor is installed at one side of the bottom of the line body section through a motor plate, the inner side of the line body section is arranged on a friction guide strip between the line body section and the friction roller, and a guide sealing plate is arranged on the upper side of the line body section to play a reinforcing role and stabilize the transmission of the machine body.

Furthermore, the chain transmission assembly further comprises a stopping mechanism and a non-return device, the stopping mechanism comprises a stopping base arranged on the rotary base and a stopping device arranged on the stopping base, the non-return device comprises a non-return bottom plate arranged on the rotary base and a non-return device arranged on the non-return bottom plate, when a workpiece enters, the stopping device stops the workpiece, and meanwhile, the non-return device is started to prevent the workpiece from rebounding.

Furthermore, the two sides of the line body section are connected through a cross brace, and the bottom of the line body section is fixedly installed on the rotary base through a supporting leg.

Further, the end of the line body section is provided with a switch bracket for installing a proximity switch, and the middle of the line body section is provided with an inductor bracket I for installing an inductor.

Through the technical scheme, the invention has the following beneficial effects:

1. the friction roller with the friction plate is used, the friction roller can be used for transmission by virtue of friction force, protective tools and transmission parts are accumulated, the universality is strong, manpower and material resources can be saved, the assembly quality of a product can be ensured, and the assembly efficiency is improved;

2. the electric control is utilized to realize the rotation of 0-90 degrees, the universality is strong, the rotary support bearing is arranged, the motor drives the load to have large gravity, the positioning is realized by utilizing the air cylinder, the transmission mechanism starts to start from the upper surface, the assembly process is stable, and the reference degree is high.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below.

Fig. 1 and 2 are schematic structural views of a rotational-translational mechanism according to an embodiment of the disclosure;

FIGS. 3 and 4 are schematic views of the chain drive assembly in accordance with the disclosed embodiment;

FIG. 5 is a schematic illustration of a drive configuration of the chain drive assembly of the disclosed embodiment;

fig. 6-8 are schematic structural views of the rotary assembly according to the embodiment disclosed.

In the figure: 1-1. a frame; 1-2. a support frame; 2. a chain drive assembly; 2-1, driving a motor; 2-2. motor plate; 2-3, a wire body section; 2-4, motor shaft; 2-5, chain wheel; 2-6, chains; 2-7. driving shaft; 2-9, driving wheel; 2-10. bearing seat; 2-13, rubbing the roller; 2-15, rubbing the guide strip; 2-16, guiding the closing plate; 2-17, a gear stopper; 2-18, stopping the base; 2-19. backstop; 2-20, a check bottom plate; 2-21, cross bracing; 2-22. support leg; 2-23. a switch bracket; 2-24, a first inductor bracket; 2-25. driven shaft; 3. a rotating assembly; 3-1, a turntable base; 3-2, rotating the base; 3-3, a turntable gear; 3-4, rotating the support bearing; 3-5. rotating the motor; 3-6, a motor base; 3-7, motor adjusting plate; 3-8, buffering the fixed plate; 3-9, oil pressure buffer; 3-10, a limiting block; 3-11, a second inductor bracket; 3-12, fixing parts; 3-13. a foot cup; 3-14, hoisting rings; 4. a cover plate; 5. and (7) closing the plate.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1 and 2, the present invention provides a rotational translation mechanism, including: the device comprises a frame 1-1, a rotating component 3 arranged at the lower layer in the frame 1-1, and a chain transmission component 2 arranged at the upper layer in the frame 1-1 and driven by the rotating component 3 to rotate, wherein the chain transmission component 2 is used for horizontally moving the workpiece.

Referring to fig. 6-8, the rotating assembly 3 includes: a lower layer of turntable base 3-1 and an upper layer of rotary base 3-2, a turntable gear 3-3 and a rotary support bearing 3-4 are arranged between the turntable base 3-1 and the rotary base 3-2, a rotary motor 3-5 is arranged on the rotary base 3-2 to drive the turntable gear 3-3 to rotate, and the turntable gear 3-3 drives the rotary support bearing 3-4 to rotate to drive the rotary base 3-2 to rotate by 0-90 degrees; a motor base 3-6 and a motor adjusting plate 3-7 are arranged below the rotating motor 3-5, so that the rotating motor 3-5 is arranged on the rotary base 3-2 through the motor base 3-6, and the installation position is adjusted through the motor adjusting plate 3-7; the rotary table base 3-1 is also provided with a buffer fixing plate 3-8 positioned between the rotary table base 3-1 and the rotary base 3-2 and a hydraulic buffer 3-9 arranged on the buffer fixing plate 3-8 for buffering the entering of a workpiece; the turntable base 3-1 is also provided with a limiting block 3-10 to limit the rotating position; the turntable base 3-1 is also provided with a second inductor support 3-11 for installing an inductor, and the inductor controls the rotating motor 3-5 to start rotating when sensing a workpiece; four corners of the turntable base 3-1 are provided with fixing parts 3-12 for mounting the turntable base 3-1 on the frame 1-1, and the bottoms of the four corners of the turntable base 3-1 are provided with foot cups 3-13 for supporting the rotating component 3 and the chain transmission component 2 to play a role in stabilizing the transmission of the machine body; four corners at the upper side of the turntable base 3-1 are also provided with lifting rings 3-14 for lifting and transporting in a plane.

Referring to fig. 3-5, the chain drive assembly 2 includes: the wire body profiles 2-3 are symmetrically arranged on the rotary base 3-2, the wire body profiles 2-3 on the two sides are connected through cross braces 2-21, and the bottoms of the wire body profiles 2-3 are fixedly arranged on the rotary base 3-2 through supporting legs 2-22; driven shafts 2-25 are arranged on the line body profiles 2-3 in parallel through bearing seats, friction rollers 2-13 are arranged at one ends of the driven shafts 2-25, which are positioned at the inner sides of the line body profiles 2-3, and chain wheels are arranged at one ends of the driven shafts 2-25, which are positioned at the outer sides of the line body profiles 2-3; the device also comprises a driving motor 2-1, wherein a chain wheel 2-5 is arranged on a motor shaft 2-4 of the driving motor 2-1, the motor shaft 2-4 is connected to a driving shaft 2-7 through the chain wheel 2-5 and a chain 2-6, two ends of the driving shaft 2-7 are respectively arranged on line body profiles 2-3 at two sides through a bearing and a bearing seat 2-10, two ends of the driving shaft 2-7 are respectively provided with a driving wheel 2-9, and the driving wheel 2-9 is matched with the chain 2-6 to drive the chain wheel 2-5 and a driven shaft 2-25 on the line body profiles 2-3 at two sides to further drive friction roller wheels 2-13 at two sides to synchronously rotate; the driving motor 2-1 is arranged at the bottom of a line body section bar 2-3 at one side through a motor plate 2-2, the inner side of the line body section bar 2-3 is arranged on a friction guide strip 2-15 positioned between the line body section bar 2-3 and a friction roller 2-13, and a guide closing plate 2-16 is arranged at the upper side of the line body section bar 2-3 to play a role in reinforcing and stabilize the transmission of a machine body; the stop mechanism comprises stop bases 2-18 arranged on the rotary base 3-2 and stop devices 2-17 arranged on the stop bases 2-18, the non-return devices comprise non-return bottom plates 2-20 arranged on the rotary base 3-2 and non-return devices 2-19 arranged on the non-return bottom plates 2-20, when a workpiece enters, the stop devices 2-17 stop and the non-return devices 2-19 are started to prevent the workpiece from rebounding; the end part of the wire body section bar 2-3 is provided with a switch bracket 2-23 for installing a proximity switch, and the middle part is provided with an inductor bracket I2-24 for installing an inductor.

Wherein, the revolving base 3-2 is further provided with support frames 1-2 positioned at both sides of the chain transmission component 2, seal plates 5 positioned at both sides of the chain transmission component 2 are installed through the support frames 1-2, a cover plate 4 is arranged between the line body profiles 2-3 of the chain transmission component 2, and the cover plate 4 is provided with an opening to expose the friction roller 2-13.

When the automatic conveying device works, a workpiece enters the rotating assembly 3 under the driving action of the friction roller 2-13 driven by the driving motor 2-1, the stop stopper 2-17 stops the workpiece from stopping and prevents rebounding through the backstop 2-19, after the sensor senses a workpiece tray and the rotating motor 3-5 is electrically controlled to rotate to a specified angle, the driving motor 2-1 on the chain transmission assembly 2 drives the chain 2-6 and the friction roller 2-13 to operate to convey the workpiece, so that the horizontal conveying of the workpiece at any angle of 0-90 degrees can be realized, the universality is strong, manpower and material resources can be saved, the product assembly quality can be ensured, and the assembly efficiency is improved.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to the above-described embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.