CN110884872A - Double-layer rotating and translating mechanism - Google Patents

Abstract

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.

Description

A double-layer rotation and translation mechanism

technical field

The invention relates to the technical field of conveying line equipment, in particular to a double-layer rotating and translation mechanism for workpiece trays in conveying lines.

Background technique

Due to the increasing demand for automobile products, the quality of the assembly of the automobile engine as the source of automobile power is the concentrated expression of the technical performance of the whole vehicle. In the assembly process of the automobile engine roller conveyor line, the rotation and translation mechanism is an important carrier and transportation tool for the engine conveyor line. At present, the commonly used rotating mechanism is generally driven by a cylinder, the conveying angle is fixed, and it can only convey small loads. Workpiece, less universal and higher cost of cylinder. When it is necessary to assemble workpiece pallets with different angles and high loads, it is often necessary to replace or redesign a new pallet, which not only leads to waste of resources, increases production and assembly costs, but also affects work efficiency.

SUMMARY OF THE INVENTION

In order to solve the above technical problems, the present invention provides a double-layer rotation and translation mechanism, which includes a frame, and the frame is provided with upper and lower layers of rotation assemblies and chain drive assemblies corresponding to the upper and lower layers of the rotation assemblies respectively;

The rotating assembly includes a support base plate, a slewing support shaft arranged in the middle of the support base plate, and a chain drive assembly arranged in parallel above the support base plate and supported and rotated by the slewing support shaft; the support base plate is also provided with There is a turntable motor, the turntable motor drives the transmission shaft to rotate through a coupling, and the other end of the transmission shaft is connected with a turbine worm, which is meshed and connected with the rotary support shaft in the middle of the support base plate to drive the The chain drive assembly rotates;

The chain transmission assembly includes a turntable base plate supported and driven to rotate by the slewing support shaft, a conveying side plate symmetrically mounted on the turntable base plate, and two ends of the conveying side plate on each side are respectively installed with active The second sprocket and the driven sprocket, the two driving sprockets located at the same end of the conveying side plates on both sides are connected by a driving shaft, and both ends of the driving shaft are supported and installed by a vertical bearing seat; the driving shaft A driving sprocket is arranged on it; a chain drive motor is also arranged on the bottom plate of the turntable, and a driving sprocket is arranged on the motor shaft of the chain transmission motor, and the driving sprocket and the driving sprocket are connected by a driving chain, and The second driving sprocket and the driven sprocket are connected by a wire body chain.

Wherein, the four corners of the frame are provided with fixed feet and foot cups; the cables of the rotating assembly and the chain drive assembly on the upper and lower layers are collected through the turntable wire grooves connecting the upper and lower layers.

Wherein, both ends of the coupling are provided with vertical bearings, the turntable motor is mounted on the support base plate through a turntable motor seat, and a turntable shaft cover is installed outside the motor shaft of the turntable motor.

Further, four turntable supports with runners are evenly arranged on the support base plate in the circumferential direction for rotating and supporting the chain drive assembly on the upper side.

Further, a proximity switch bracket and a proximity switch mounted on the proximity switch bracket and capable of sensing the position of the workpiece are also provided on the support base plate.

Further, a turntable buffer seat and a buffer mounted on the turntable buffer seat are also provided on the support base plate. When the chain drive assembly rotates in place, the buffer in place can be buffered in place.

Further, the lower side of the wire body chain is provided with a chain support to support the chain; each side is symmetrically provided with two conveying side plates, and the two conveying side plates are connected by the fixed width shafts at both ends, The second driving sprocket and the driven sprocket are located between the two conveying side plates; a transition wheel at the output end is also arranged between the two conveying side plates to make the workpiece smoothly transition to the next wire body.

Further, the conveying side plate is also provided with a tensioning block corresponding to the driven sprocket for adjusting the tightness of the chain, preventing the chain from loosening and jumping teeth or rubbing against the tooling and affecting the service life and transmission speed; A guide is arranged above the conveying side plate, and the two inner conveying side plates are connected by a strut parallel to the driving shaft to limit the distance between the side plates.

Further, the turntable bottom plate is provided with a backstop located between the conveying side plates on both sides and corresponding to the driven sprocket to prevent the workpiece from coming in and ejecting; The pneumatic buffer stops between the conveying side plates and corresponding to the driving shaft are used to block and stop the workpiece when the workpiece comes in; the lower side of the bottom plate of the turntable is provided with limit blocks located on both sides of the pneumatic buffer stop, The chain drive motor is mounted on the bottom plate of the turntable through a chain drive motor seat, and sensors are installed between the conveying side plates on both sides to sense the position distance of the workpiece.

Further, the lower side of the turntable bottom plate is provided with an annular wear-resistant sheet corresponding to the runner supported by the turntable.

Through the above technical solution, the present invention sets up a double-layer rotation and translation mechanism. When the workpiece enters, the pneumatic buffer stopper stops the object, and the backstop prevents the object from rebounding. The sensor senses that the workpiece pallet is electrically controlled and starts to drive the chain drive assembly. Rotation, after rotating in place, it is conveyed straight through the chain drive assembly. The invention has simple and reasonable design, compact structure, convenient and comfortable operation, stable and reliable assembly process, and strong versatility, which can not only save manpower and material resources, but also ensure product assembly quality.

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 that need to be used in the description of the embodiments.

1 is a schematic three-dimensional structure diagram of a double-sided rotation and translation mechanism disclosed in an embodiment;

FIG. 2 is a schematic three-dimensional structure diagram of the rotating assembly disclosed in the embodiment;

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

FIG. 4 is a schematic bottom view of the chain drive assembly disclosed in the embodiment.

In the figure: 1. Frame; 2. Rotating assembly; 2-1. Supporting base plate; 2-2. Turntable motor; 2-3. Transmission shaft; 2-4. Coupling; 2-5. 2-6. Slewing support shaft; 2-7. Vertical bearing; 2-8. Turntable motor seat; 2-9. Turntable shaft cover; 2-10. Turntable support; 2-11. Proximity switch bracket; 2-12 .Proximity switch; 2-13. Turntable buffer seat; 2-14. Buffer; 3. Chain drive assembly; 3-1. Chain drive motor; 3-2. Motor shaft; 3-3. Drive sprocket; 3- 4. Drive chain; 3-5. Drive shaft; 3-6. Drive sprocket one; 3-7. Drive sprocket two; 3-8. Driven sprocket; 3-9. Line body chain; 3-10 .Chain support; 3-11. Conveying side plate; 3-12. Fixed width shaft; 3-13. Transition wheel; 3-14. Vertical bearing seat; 3-15. Tension block; 3-16. Guide ; 3-17. strut; 3-18. backstop; 3-19. pneumatic buffer stop; 3-20. limit block; 3-21. chain drive motor seat; 3-22. sensor; 3 -23. Turntable bottom plate; 3-24. Ring wear-resistant sheet; 4. Fixed foot; 5. Foot cup; 6. Turntable wire groove.

Detailed ways

The technical solutions 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 present invention includes a frame 1, and the frame 1 is provided with an upper and lower two-layer rotating assembly 2 and a chain drive assembly 3 corresponding to the upper and lower two-layer rotating assemblies 2; The frame 1 The four corners are provided with fixed feet 4 and foot cups 5; the cables of the upper and lower layers of the rotary assembly 2 and the chain drive assembly 3 are gathered through the turntable slot 6 connecting the upper and lower layers.

Referring to FIG. 2 , the rotating assembly 2 includes a support base plate 2-1, a slewing support shaft 2-6 arranged in the middle of the support base plate 2-1, and a slewing support shaft 2-6 arranged in parallel above the support base plate 2-1 and supported for rotation by the slewing support shaft 2-6 The chain drive assembly 3; the support base plate 2-1 is also provided with a turntable motor 2-2, the turntable motor 2-2 drives the transmission shaft 2-3 to rotate through the coupling 2-4, and the other end of the transmission shaft 2-3 is connected with a The turbine worm 2-5 is meshed with the rotary support shaft 2-6 in the middle of the support base plate 2-1 to drive the chain transmission assembly 3 to rotate; both ends of the coupling 2-4 are provided with vertical shafts. type bearing 2-7, the turntable motor 2-2 is installed on the support base plate 2-1 through the turntable motor base 2-8, and the outside of the motor shaft of the turntable motor 2-2 is equipped with a turntable shaft cover 2-9; the support base plate 2- 1 is also provided with four turntable supports 2-10 with runners in the circumferential direction to rotate the chain drive assembly 3 on the upper side of the support; The proximity switch 2-12 on the proximity switch bracket 2-11 and which can sense the position of the workpiece; the support base plate 2-1 is also provided with a turntable buffer seat 2-13 and a buffer 2-14 installed on the turntable buffer seat 2-13 , When the chain drive assembly 3 rotates in place, it can achieve in-place buffering when it hits the buffers 2-14.

3 and 4, the chain drive assembly 3 includes a turntable base plate 3-23 supported and driven to rotate by a slewing support shaft 2-6, a conveying side plate 3-11 symmetrically mounted on the turntable base plate 3-23, each side conveying side Both ends of the plate 3-11 are respectively installed with the second driving sprocket 3-7 and the driven sprocket 3-8 through the rotating shaft. 3-5 connection, both ends of the driving shaft 3-5 are supported and installed by the vertical bearing seat 3-14; the driving shaft 3-5 is provided with a driving sprocket 1 3-6; the turntable bottom plate 3-23 is also provided with a chain The drive motor 3-1 and the motor shaft 3-2 of the chain drive motor 3-1 are provided with a drive sprocket 3-3, and the drive sprocket 3-3 and the driving sprocket 1 3-6 are connected by the drive chain 3-4, And the second driving sprocket 3-7 and the driven sprocket 3-8 are connected by the wire body chain 3-9; the lower side of the wire body chain 3-9 is provided with a chain support 3-10 to support the chain; each side is symmetrical at the same time Two conveying side plates 3-11 are provided, and the two conveying side plates 3-11 are connected by the fixed width shafts 3-12 at both ends. The second driving sprocket 3-7 and the driven sprocket 3-8 are located in the two conveying side plates 3-11. Between the side plates 3-11; a transition wheel 3-13 at the output end is also arranged between the two conveying side plates 3-11 to make the workpiece transition smoothly to the next wire body; the conveying side plates 3-11 are also provided with The tension block 3-15 corresponding to the driven sprocket 3-8 is used to adjust the tightness of the chain to prevent the chain from loosening and jumping teeth or rubbing against the tooling, which affects the service life and affects the transmission speed; above the outer conveying side plate 3-11 A guide member 3-16 is provided, and the two inner conveying side plates 3-11 are connected by a strut 3-17 parallel to the driving shaft 3-5 to limit the distance between the side plates; on the turntable bottom plate 3-23 There is a backstop 3-18 located between the conveying side plates 3-11 on both sides and corresponding to the driven sprocket 3-8 to prevent the workpiece from coming in and ejecting; the turntable bottom plate 3-23 is provided with conveying side plates 3 on both sides. Pneumatic buffer stopper 3-19 between -11 and corresponding to the driving shaft 3-5 to block and stop when the workpiece comes in; the lower side of the turntable base plate 3-23 is provided with a pneumatic buffer stopper 3-19 on both sides of the The limit block 3-20, the chain drive motor 3-1 is installed on the turntable base plate 3-23 through the chain drive motor base 3-21, and the sensor 3-22 is installed between the conveying side plates 3-11 on both sides to sense The position distance of the workpiece; the underside of the turntable base plate 3-23 is provided with an annular wear-resistant sheet 3-24 corresponding to the runner of the turntable support 2-10.

In the present invention, by setting up a double-layer rotation and translation mechanism, when the workpiece enters, the pneumatic buffer stopper 3-19 blocks and stops, the backstop 3-18 prevents the object from rebounding, and the sensor 3-22 senses that the workpiece pallet is started by electrical control The turntable motor 2-2 acts and drives the chain drive assembly 3 to rotate. After the rotation is in place, the chain drive motor 3-1 of the chain drive assembly 3 acts and drives the wire body chain 3-9 to run to realize the linear conveying of the workpiece. The invention has simple and reasonable design, compact structure, convenient and comfortable operation, stable and reliable assembly process, and strong versatility, which can not only save manpower and material resources, but also ensure product assembly quality.

The above description of the disclosed embodiments enables 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 implemented in other embodiments without departing from the spirit or scope of the present 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.

Claims (10)

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).

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