阅读说明：本技术 一种双层旋转平移机构 (Double-layer rotating and translating mechanism ) 是由 孟得干 于 2019-12-21 设计创作，主要内容包括：本发明公开了一种双层旋转平移机构,包括机架,所述机架上设置有上下两层旋转组件以及分别对应上下两层所述旋转组件设置的链传动组件。本发明通过设置双层旋转平移机构,当工件进入后,气动缓冲挡停器阻挡停住,止回器防止物体回弹,传感器感应到工件托盘由电气控制开始驱动链传动组件旋转,旋转到位后通过链传动组件直线输送。该发明设计简单、合理,结构紧凑,操作方便、舒适,装配过程平稳、可靠,通用性强,不仅能够节约人力物力,还能保证产品装配质量,双层结构设置极大提高了装配效率。(The invention discloses a double-layer rotating and translating mechanism which comprises a rack, wherein an upper layer rotating assembly and a lower layer rotating assembly and chain transmission assemblies which are respectively arranged corresponding to the upper layer rotating assembly and the lower layer rotating assembly are arranged on the rack. According to the invention, by arranging the double-layer rotating and translating mechanism, when a workpiece enters, the pneumatic buffer stop stops, the backstop prevents objects from rebounding, the sensor senses that the workpiece tray starts to drive the chain transmission assembly to rotate under the electric control, and the workpiece tray is conveyed linearly through the chain transmission assembly after rotating to the position. The assembling device is simple and reasonable in design, compact in structure, convenient and comfortable to operate, stable and reliable in assembling process, high in universality, capable of saving manpower and material resources and guaranteeing the assembling quality of products, and the assembling efficiency is greatly improved due to the double-layer structure.)

1. A double-layer rotation translation mechanism is characterized by comprising a rack (1), wherein an upper layer and a lower layer of rotation assemblies (2) and chain transmission assemblies (3) which are respectively arranged corresponding to the upper layer and the lower layer of rotation assemblies (2) are arranged on the rack (1);

the rotating assembly (2) comprises a supporting bottom plate (2-1), a rotary supporting shaft (2-6) arranged in the middle of the supporting bottom plate (2-1), and a chain transmission assembly (3) which is arranged above the supporting bottom plate (2-1) in parallel and supported by the rotary supporting shaft (2-6) for rotation; the supporting base plate (2-1) is further provided with a turntable motor (2-2), the turntable motor (2-2) drives a transmission shaft (2-3) to rotate through a coupler (2-4), the other end of the transmission shaft (2-3) is connected with a turbine worm (2-5), and the turbine worm (2-5) is meshed and connected with a rotary supporting shaft (2-6) in the middle of the supporting base plate (2-1) to drive the chain transmission assembly (3) to rotate;

the chain transmission assembly (3) comprises a rotary table bottom plate (3-23) which is supported by the rotary support shaft (2-6) and driven to rotate, conveying side plates (3-11) which are symmetrically arranged on the rotary table bottom plate (3-23), two ends of each conveying side plate (3-11) are respectively provided with a driving chain wheel II (3-7) and a driven chain wheel (3-8) through rotating shafts, the driving chain wheels II (3-7) positioned at the same end of the conveying side plates (3-11) at two sides are connected through driving shafts (3-5), and two ends of each driving shaft (3-5) are supported and arranged through vertical bearing seats (3-14); a first driving chain wheel (3-6) is arranged on the driving shaft (3-5); the turntable bottom plate (3-23) is further provided with a chain transmission motor (3-1), a motor shaft (3-2) of the chain transmission motor (3-1) is provided with a driving chain wheel (3-3), the driving chain wheel (3-3) is connected with a driving chain wheel I (3-6) through a driving chain (3-4), and a driving chain wheel II (3-7) is connected with a driven chain wheel (3-8) through a linear chain (3-9).

2. The double-layer rotation and translation mechanism according to claim 1, wherein four corners of the frame (1) are provided with fixing feet (4) and foot cups (5); the cables of the rotating assembly (2) and the chain transmission assembly (3) on the upper layer and the lower layer are furled through a rotary table wire groove (6) communicated with the upper layer and the lower layer.

3. The double-layer rotation and translation mechanism according to claim 1, characterized in that vertical bearings (2-7) are arranged at both ends of the shaft coupling (2-4), the turntable motor (2-2) is mounted on the support base plate (2-1) through a turntable motor base (2-8), and a turntable shaft cover (2-9) is mounted outside a motor shaft of the turntable motor (2-2).

4. Double-deck rototranslation mechanism according to claim 1, characterized in that four turret supports (2-10) with rotating wheels are also arranged circumferentially and uniformly on the support base (2-1) for rotating the chain transmission assembly (3) on the upper side of the supports.

5. The double-deck rotational-translation mechanism according to claim 1, characterized in that the supporting base plate (2-1) is further provided with a proximity switch bracket (2-11) and a proximity switch (2-12) mounted on the proximity switch bracket (2-11) and capable of sensing the position of the workpiece.

6. The double-deck rotational-translation mechanism according to claim 1, characterized in that the supporting base plate (2-1) is further provided with a turntable buffer base (2-13) and a buffer (2-14) mounted on the turntable buffer base (2-13), and when the chain transmission assembly (3) rotates in place, the buffer in place can be realized by touching the buffer (2-14).

7. The double-deck rotational-translational mechanism according to claim 1, wherein a chain support (3-10) is provided on the lower side of the linear chain (3-9) for supporting the chain; two conveying side plates (3-11) are symmetrically arranged on each side at the same time, the two conveying side plates (3-11) are connected through fixed width shafts (3-12) at two ends, and the driving chain wheel II (3-7) and the driven chain wheel (3-8) are positioned between the two conveying side plates (3-11); a transition wheel (3-13) positioned at the output end is also arranged between the two conveying side plates (3-11) so that the workpiece can be smoothly transited to the next line body.

8. The double-layer rotating and translating mechanism according to claim 7, wherein the conveying side plates (3-11) are further provided with tensioning blocks (3-15) corresponding to the driven chain wheels (3-8) for adjusting the tightness of the chain, preventing the chain from loosening and jumping teeth or being rubbed to a tool to influence the service life and the transmission speed; a guide part (3-16) is arranged above the conveying side plate (3-11) at the outer side, and the conveying side plates (3-11) at the inner sides are connected through a support rod (3-17) parallel to the driving shaft (3-5) to limit the distance of the side plates.

9. The double-deck rotary translation mechanism according to claim 1, characterized in that said turret base plate (3-23) is provided with a backstop (3-18) between said conveying side plates (3-11) on both sides and corresponding to said driven sprocket (3-8) to prevent the work pieces from coming in and popping out; the rotary table bottom plate (3-23) is provided with a pneumatic buffer stop (3-19) which is positioned between the conveying side plates (3-11) at two sides and corresponds to the driving shaft (3-5) so as to stop when a workpiece comes in; the pneumatic buffer stop device is characterized in that limiting blocks (3-20) located on two sides of the pneumatic buffer stop device (3-19) are arranged on the lower side of the rotary table bottom plate (3-23), the chain transmission motor (3-1) is installed on the rotary table bottom plate (3-23) through a chain transmission motor base (3-21), and a sensor (3-22) is installed between the conveying side plates (3-11) on two sides to sense the position distance of a workpiece.

10. A double-deck rototranslation mechanism according to claim 1, characterized in that the underside of the turret base plate (3-23) is provided with annular wear plates (3-24) corresponding to the runners of the turret support (2-10).

Technical Field

The invention relates to the technical field of conveying line equipment, in particular to a double-layer rotating and translating 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 technical problem, the invention provides a double-layer rotating and translating mechanism which comprises a rack, wherein an upper layer rotating assembly and a lower layer rotating assembly and chain transmission assemblies which are respectively arranged corresponding to the upper layer rotating assembly and the lower layer rotating assembly are arranged on the rack;

the rotating assembly comprises a supporting bottom plate, a rotary supporting shaft arranged in the middle of the supporting bottom plate and a chain transmission assembly which is arranged above the supporting bottom plate in parallel and supported by the rotary supporting shaft to rotate; the support bottom plate is also provided with a rotary table motor, the rotary table motor drives a transmission shaft to rotate through a coupler, the other end of the transmission shaft is connected with a turbine worm, and the turbine worm is meshed and connected with a rotary support shaft in the middle of the support bottom plate to drive the chain transmission assembly to rotate;

the chain transmission assembly comprises a rotary table bottom plate supported by the rotary supporting shaft and driven to rotate, and conveying side plates symmetrically arranged on the rotary table bottom plate, wherein two ends of each conveying side plate are respectively provided with a driving chain wheel II and a driven chain wheel through rotating shafts, the driving chain wheel II positioned at the same end of the conveying side plates at two sides is connected through a driving shaft, and two ends of the driving shaft are supported and arranged through vertical bearing seats; a first driving chain wheel is arranged on the driving shaft; the turntable base plate is further provided with a chain transmission motor, a motor shaft of the chain transmission motor is provided with a driving chain wheel, the driving chain wheel is connected with the driving chain wheel I through a driving chain, and the driving chain wheel II is connected with the driven chain wheel through a line body chain.

Wherein, four corners of the frame are provided with fixing feet and foot cups; the cables of the upper layer and the lower layer of the rotating assembly and the chain transmission assembly are folded through the rotary table wire grooves communicated with the upper layer and the lower layer.

The two ends of the coupler are provided with vertical bearings, the rotary table motor is installed on the supporting base plate through a rotary table motor base, and a rotary table shaft cover is installed on the outer side of a motor shaft of the rotary table motor.

Furthermore, four rotary table supports with rotating wheels are uniformly arranged on the supporting bottom plate in the circumferential direction and used for rotatably supporting the chain transmission assembly on the upper side.

Furthermore, a proximity switch bracket and a proximity switch which is arranged on the proximity switch bracket and can sense the position of the workpiece are also arranged on the supporting bottom plate.

Furthermore, the supporting bottom plate is further provided with a rotary table buffer seat and a buffer arranged on the rotary table buffer seat, and when the chain transmission assembly rotates to the position, the chain transmission assembly can touch the buffer to realize in-place buffering.

Further, a chain support is arranged on the lower side of the linear body chain to support the chain; two conveying side plates are symmetrically arranged on each side at the same time and are connected through fixed-width shafts at two ends, and the driving chain wheel II and the driven chain wheel are positioned between the two conveying side plates; and a transition wheel positioned at the output end is also arranged between the two conveying side plates so that the workpiece can be stably transited to the next line body.

Furthermore, a tensioning block corresponding to the driven chain wheel is further arranged on the conveying side plate and used for adjusting the tightness of the chain, and the chain is prevented from loosening and jumping teeth or rubbing the tool to influence the service life and the transmission speed; the guide part is arranged above the conveying side plates on the outer side, and the distance between the two conveying side plates on the inner side is limited by the support rod parallel to the driving shaft.

Furthermore, a backstop which is positioned between the conveying side plates on two sides and corresponds to the driven chain wheel is arranged on the bottom plate of the rotary table to prevent the work pieces from coming in and popping out; the rotary table bottom plate is provided with a pneumatic buffer stopper which is positioned between the conveying side plates on two sides and corresponds to the driving shaft so as to stop when a workpiece enters; the pneumatic buffer stop device is characterized in that limiting blocks located on two sides of the pneumatic buffer stop device are arranged on the lower side of the rotary table bottom plate, the chain transmission motor is installed on the rotary table bottom plate through a chain transmission motor base, and a sensor is installed between the conveying side plates on two sides of the rotary table bottom plate to sense the position distance of a workpiece.

Furthermore, the lower side of the rotary table bottom plate is provided with an annular wear-resisting sheet corresponding to the rotary wheel supported by the rotary table.

Through the technical scheme, the double-layer rotating and translating mechanism is arranged, after a workpiece enters, the pneumatic buffer stop stops, the backstop prevents objects from rebounding, the sensor senses that the workpiece tray starts to drive the chain transmission assembly to rotate under the electric control, and the workpiece tray is conveyed linearly through the chain transmission assembly after rotating to the position. The assembling device is simple and reasonable in design, compact in structure, convenient and comfortable to operate, stable and reliable in assembling process, high in universality, capable of saving manpower and material resources and guaranteeing the assembling quality of products, and the assembling efficiency is greatly improved due to the double-layer structure.

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 is a schematic perspective view of a dual-sided rotational-translational mechanism according to an embodiment of the disclosure;

FIG. 2 is a perspective view of a rotary assembly according to an embodiment of the disclosure;

FIG. 3 is a schematic perspective view of the chain drive assembly of the disclosed embodiment;

FIG. 4 is a schematic bottom view of the chain drive assembly in accordance with the disclosed embodiments.

In the figure: 1. a frame; 2. a rotating assembly; 2-1, supporting the bottom plate; 2-2. a turntable motor; 2-3. a transmission shaft; 2-4. a coupler; 2-5, turbine worm; 2-6, rotating the supporting shaft; 2-7, vertical bearing; 2-8, a turntable motor base; 2-9. a turntable shaft cover; 2-10, supporting the rotary table; 2-11, a proximity switch bracket; 2-12, a proximity switch; 2-13, a turntable buffer base; 2-14. a buffer; 3. a chain drive assembly; 3-1, a chain transmission motor; 3-2. motor shaft; 3-3, driving the chain wheel; 3-4, driving the chain; 3-5. driving shaft; 3-6, driving chain wheel I; 3-7, driving chain wheel II; 3-8, driven chain wheel; 3-9. a linear chain; 3-10, a chain support; 3-11, conveying the side plate; 3-12, fixing the width shaft; 3-13. transition wheel; 3-14, vertical bearing seat; 3-15, tensioning block; 3-16. a guide; 3-17, a brace rod; 3-18. backstop; 3-19, a pneumatic buffer stop; 3-20, a limiting block; 3-21, a chain transmission motor base; 3-22. a sensor; 3-23. a turntable bottom plate; 3-24, annular wear-resistant plate; 4. a fixing leg; 5. a foot cup; 6. turntable wire casing.

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, the double-layer rotation and translation mechanism provided by the invention comprises a frame 1, wherein an upper layer rotation component 2 and a lower layer rotation component 2 are arranged on the frame 1, and chain transmission components 3 are respectively arranged corresponding to the upper layer rotation component 2 and the lower layer rotation component 2; four corners of the frame 1 are provided with fixed feet 4 and foot cups 5; the cables of the upper layer rotating component 2, the lower layer rotating component 2 and the chain transmission component 3 are folded through the rotary table wire grooves 6 communicated with the upper layer and the lower layer.

Referring to fig. 2, the rotating assembly 2 includes a supporting base plate 2-1, a gyration support shaft 2-6 disposed in the middle of the supporting base plate 2-1, and a chain transmission assembly 3 disposed in parallel above the supporting base plate 2-1 and supported for rotation by the gyration support shaft 2-6; the supporting bottom plate 2-1 is also provided with a turntable motor 2-2, the turntable motor 2-2 drives a transmission shaft 2-3 to rotate through a coupling 2-4, the other end of the transmission shaft 2-3 is connected with a turbine worm 2-5, and the turbine worm 2-5 is meshed and connected with a rotary supporting shaft 2-6 in the middle of the supporting bottom plate 2-1 to drive the chain transmission assembly 3 to rotate; vertical bearings 2-7 are arranged at two ends of the coupler 2-4, the rotary table motor 2-2 is arranged on the supporting bottom plate 2-1 through a rotary table motor base 2-8, and a rotary table shaft cover 2-9 is arranged on the outer side of a motor shaft of the rotary table motor 2-2; four rotary table supports 2-10 with rotating wheels are uniformly arranged on the supporting bottom plate 2-1 in the circumferential direction and used for rotatably supporting the chain transmission assembly 3 on the upper side; the supporting bottom plate 2-1 is also provided with a proximity switch bracket 2-11 and a proximity switch 2-12 which is arranged on the proximity switch bracket 2-11 and can sense the position of a workpiece; the supporting bottom plate 2-1 is also provided with a turntable buffer seat 2-13 and a buffer 2-14 arranged on the turntable buffer seat 2-13, and when the chain transmission assembly 3 rotates to the position, the chain transmission assembly can touch the buffer 2-14 to realize the in-position buffering.

Referring to fig. 3 and 4, the chain transmission assembly 3 comprises a rotary table bottom plate 3-23 supported by a rotary support shaft 2-6 and driven to rotate, conveying side plates 3-11 symmetrically arranged on the rotary table bottom plate 3-23, two ends of each conveying side plate 3-11 are respectively provided with a driving chain wheel II 3-7 and a driven chain wheel 3-8 through rotating shafts, the driving chain wheels II 3-7 at the same ends of the conveying side plates 3-11 at two sides are connected through a driving shaft 3-5, and two ends of the driving shaft 3-5 are supported and arranged through vertical bearing seats 3-14; a driving chain wheel I3-6 is arranged on the driving shaft 3-5; the rotary table bottom plate 3-23 is also provided with a chain transmission motor 3-1, a motor shaft 3-2 of the chain transmission motor 3-1 is provided with a driving chain wheel 3-3, the driving chain wheel 3-3 and a driving chain wheel I3-6 are connected through a driving chain 3-4, and a driving chain wheel II 3-7 and a driven chain wheel 3-8 are connected through a linear chain 3-9; a chain support 3-10 is arranged at the lower side of the linear body chain 3-9 to support the chain; each side is simultaneously and symmetrically provided with two conveying side plates 3-11, the two conveying side plates 3-11 are connected through fixed width shafts 3-12 at two ends, and a driving chain wheel II 3-7 and a driven chain wheel 3-8 are positioned between the two conveying side plates 3-11; a transition wheel 3-13 positioned at the output end is also arranged between the two conveying side plates 3-11 so as to enable the workpiece to be stably transited to the next line body; the conveying side plates 3-11 are also provided with tensioning blocks 3-15 corresponding to the driven chain wheels 3-8 for adjusting the tightness of the chain and preventing the chain from loosening and jumping teeth or rubbing the tool to influence the service life and the transmission speed; a guide part 3-16 is arranged above the conveying side plate 3-11 at the outer side, and the two conveying side plates 3-11 at the inner side are connected through a support rod 3-17 parallel to the driving shaft 3-5 to limit the distance of the side plates; the bottom plate 3-23 of the rotary table is provided with a backstop 3-18 which is positioned between the conveying side plates 3-11 at the two sides and corresponds to the driven chain wheel 3-8 so as to prevent the work piece from coming in and popping out; a pneumatic buffer stop 3-19 which is positioned between the conveying side plates 3-11 at the two sides and corresponds to the driving shaft 3-5 is arranged on the bottom plate 3-23 of the rotary table so as to stop when a workpiece enters; the lower side of the rotary table bottom plate 3-23 is provided with limiting blocks 3-20 positioned at two sides of the pneumatic buffer stop 3-19, the chain transmission motor 3-1 is arranged on the rotary table bottom plate 3-23 through a chain transmission motor base 3-21, and a sensor 3-22 is arranged between the conveying side plates 3-11 at two sides to sense the position distance of a workpiece; the underside of the turntable floor 3-23 is provided with annular wear plates 3-24 corresponding to the runners of the turntable support 2-10.

According to the invention, by arranging the double-layer rotating and translating mechanism, when a workpiece enters, the pneumatic buffer stop 3-19 stops, the backstop 3-18 prevents objects from rebounding, the sensor 3-22 senses that the workpiece tray starts the action of the turntable motor 2-2 under the electrical control and drives the chain transmission assembly 3 to rotate, and after the workpiece tray rotates to the position, the linear conveying of the workpiece is realized by the action of the chain transmission motor 3-1 of the chain transmission assembly 3 and the operation of the line chain 3-9. The assembling device is simple and reasonable in design, compact in structure, convenient and comfortable to operate, stable and reliable in assembling process, high in universality, capable of saving manpower and material resources and guaranteeing the assembling quality of products, and the assembling efficiency is greatly improved due to the double-layer structure.

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.