CN211544966U

CN211544966U - Rail type conveying device

Info

Publication number: CN211544966U
Application number: CN201922301464.7U
Authority: CN
Inventors: 罗北宋
Original assignee: Dongguan Jusheng Intelligent Machinery Co ltd
Current assignee: Dongguan Jusheng Intelligent Machinery Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-09-22
Anticipated expiration: 2029-12-18

Abstract

The utility model belongs to the field of transmission machinery, in particular to a rail type conveying device, which comprises a frame, a pushing mechanism and a driving piece, wherein a guide rail and a cam shaft are arranged on the frame, the cam shaft is positioned at the inner side of the guide rail, supporting seats are sleeved at the two ends of the cam shaft, the cam shaft is rotationally connected with the two supporting seats, and the two supporting seats are fixedly connected with the frame; the cam shaft is provided with a cam groove, and two ends of the cam groove respectively extend to the corresponding end parts of the cam shaft; the guide rail is provided with at least one group of jig assemblies, the inner sides of at least one positioning jig of the positioning jig assemblies are provided with stirring pieces, the driving pieces drive the cam shaft to rotate, and two ends of the cam shaft are provided with pushing mechanisms; the pushing mechanism pushes the positioning jig above the positioning jig to move along the guide rail; push mechanism promotes positioning jig and the laminating of camshaft, and the camshaft is rotatory, dials in the piece is leading-in to the cam groove, and rotatory cam groove pulling positioning jig moves along the guide rail.

Description

Rail type conveying device

Technical Field

The utility model belongs to the technical field of transfer machine, especially, relate to rail mounted conveyor.

Background

In the field of automation, transport and positioning are important constituent mechanisms; after the previous procedure is completed, the workpiece is conveyed and positioned to the next procedure, so that the next procedure of the workpiece is completed, automatic processing, assembly and the like are realized, the manual work is replaced, and the efficiency is improved. The prior art conveying and positioning mechanism usually adopts a belt conveying type and a chain conveying type. However, the belt is a structural and chain type structure, which is one piece; the positioning jig positioned on the belt mechanism or the chain mechanism is conveyed along with the conveying mechanism; therefore, the operation of the positioning jig arranged on the conveying mechanism is synchronous; however, in the actual process, the working hours required by the upper and lower working procedures are not consistent, so that the working stations with short working hours are in a waiting state, the working hours are wasted, and the efficiency is reduced; in addition, the conventional chain conveying and belt conveying have certain conveying errors, so that precise machining or assembling is difficult to meet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rail mounted conveyor, the transport mechanism who aims at solving among the prior art is the poor problem of positioning jig synchronous operation and current transport mechanism positioning accuracy.

In order to achieve the above purpose, the rail-mounted conveying device provided by the embodiment of the present invention comprises a frame, wherein a guide rail and a cam shaft are arranged on the frame, the cam shaft is located inside the guide rail, connecting portions extend from both ends of the cam shaft, supporting seats are respectively sleeved on both the cam shafts, the connecting portions are rotatably connected with both the supporting seats, and both the supporting seats are fixedly connected with the frame; the cam shaft is provided with a cam groove, and the cam groove is provided with a conveying section and a positioning section; two ends of the cam groove respectively extend to the corresponding end parts of the cam shaft; the guide rail is provided with at least one group of jig components, and the jig components comprise at least one positioning jig; the inner side of at least one positioning jig of the jig assembly is provided with a stirring piece, and the jig assembly further comprises a pushing mechanism and a driving piece, wherein the driving piece drives the cam shaft to rotate, and the two ends of the cam shaft are provided with the pushing mechanisms; the pushing mechanism pushes the positioning jig above the pushing mechanism to move along the guide rail; push mechanism promotes the positioning jig with the terminal surface laminating of camshaft, the camshaft is rotatory, it follows to dial the piece the cam groove tip is leading-in to in the cam groove, rotatory cam groove pulling the positioning jig is followed the guide rail removes.

Further, the jig assembly comprises at least two positioning jigs, and a connecting piece is arranged between every two adjacent positioning jigs; the positioning jigs of the jig assembly are provided with the poking pieces; the distance between the adjacent poking pieces is equal to the pitch of the cam grooves.

Further, the pushing mechanism is a belt transmission mechanism; the two driving wheels of the pushing mechanism are arranged on the inner side of the guide rail, and the axes of the two driving wheels of the pushing mechanism are perpendicular to the inner side surface of the guide rail; when the pushing mechanism pushes the positioning jig, the bottom of the positioning jig is in contact with a transmission belt of the pushing mechanism.

Furthermore, the bottom of the positioning jig is also provided with an elastic piece, and the bottom of the elastic piece is provided with a friction block; the elastic piece extrudes the friction block on a transmission belt of the pushing mechanism.

Furthermore, the elastic part comprises two guide shafts penetrating through the positioning jig, a bottom plate connecting the bottom ends of the two guide shafts, and a spring arranged on the top of the bottom plate and the top of the positioning jig; the upper end of the guide shaft is provided with a limiting part, the upper end of the spring is abutted against the bottom of the positioning jig, and the lower end of the spring is abutted against the top of the bottom plate; the friction block is fixedly connected to the bottom of the bottom plate.

Further, the guide rail is in an annular runway shape; the camshaft and the pushing mechanism are arranged on the inner side of the straight line section of the guide rail, and the camshaft and the pushing mechanism are arranged on the two straight line sections of the guide rail; the inner sides of the two arc sections of the guide rail are both provided with a turntable, and a driving motor for driving the turntable to rotate is arranged in the rack; the axis of the turntable and the circle center of the arc-shaped section of the guide rail are on the same vertical line.

Furthermore, a plurality of groups of cam shafts are arranged on the inner side of the guide rail, and form a conveying assembly; one driving piece drives the transmission assembly to rotate, or each cam shaft corresponds to one driving piece, and each driving piece drives the corresponding cam shaft to rotate; the two ends of the conveying assembly are provided with the pushing mechanisms.

Furthermore, guide supporting parts extend from the inner side and the outer side of the track, and the cross sections of the guide supporting parts are isosceles triangles; the bottom of the positioning jig is provided with at least three guide rollers, the guide rollers are provided with V-shaped annular grooves, and the annular grooves are matched with the corresponding guide supporting parts to enable the guide supporting parts to support the positioning jig.

Further, the poking piece comprises a connecting shaft arranged on the inner side of the positioning jig and a rolling bearing sleeved on the connecting shaft.

Furthermore, two ends of the connecting piece connecting the adjacent positioning jigs are pivoted with the corresponding positioning jigs.

The embodiment of the utility model provides an among the rail mounted conveyor above-mentioned one or more technical scheme have following technological effect at least: 1. the multiple groups of jig assemblies are arranged on the guide rail, and the pushing mechanisms are arranged at the two ends of the cam shaft, so that a multi-section independent conveying mechanism is formed; each section of independent part can correspond to a station of processing or equipment, and the positioning jig of each section is mutually independent, can set up a plurality of stations in the longer process of consuming time and satisfy holistic work, raises the efficiency.

2. When the pushing mechanism at the input end of the cam groove pushes the positioning jig, the cam shaft is in a stop state, and the positioning jig is limited by the end of the cam shaft, so that the positioning jig for conveying the upper process does not interfere with the positioning jig for the next process.

3. When the driving piece drives the cam shaft to rotate, the poking piece is guided into the cam groove from the end part of the cam groove, and the rotating cam groove pulls the positioning jig to move along the guide rail; therefore, the positioning jig is positioned through the cam groove, the positioning precision is improved, and the position precision of each positioning jig can be ensured through the center distance between the adjacent positioning jigs of the connecting piece.

4. Promote the operation of positioning jig through the cam groove for positioning jig operates steadily, can avoid the location to lead to the product to lose at scram location, and transport time is short.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a perspective view of a rail-type conveying device according to an embodiment of the present invention.

Fig. 2 is a top view of the rail type conveying device provided by the embodiment of the present invention.

Fig. 3 is a partial enlarged view of the rail-type conveying device according to an embodiment of the present invention.

Fig. 4 is a cross-sectional view of the guide rail portion of the rail type conveying apparatus according to the embodiment of the present invention.

Fig. 5 is a structural view of the camshaft portion of the track type conveying device according to the embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In an embodiment of the present invention, as shown in fig. 1 to 5, the rail type conveying device comprises a frame 1, a guide rail 2 and a cam shaft 3 are arranged on the frame 1, the cam shaft 3 is located inside the guide rail 2, two ends of the cam shaft 3 are sleeved with a supporting seat 30, the cam shaft 3 is connected with two supporting seats 30, two supporting seats 30 are fixedly connected with the frame 1. The camshaft 3 is provided with a cam groove 31, which includes a transmission section 310 and a positioning section 311. Both ends of the cam groove 31 extend to the corresponding ends of the camshaft 3, respectively. At least one group of jig components are arranged on the guide rail 2, each jig component comprises at least two positioning jigs 4, and a connecting piece 40 is connected with each adjacent positioning jig 4; a poking piece 41 is arranged on the inner side of at least one positioning jig 4 of the jig assembly; wherein, the transmission section 310 of the cam groove 31 is used for pushing the positioning fixture 4 to move along the guide rail; the positioning section is used for positioning the positioning jig 4 to a specified processing position. The rail type conveying device further comprises a pushing mechanism 5 and a driving piece 6, the driving piece 6 drives the cam shaft 3 to rotate, and the pushing mechanism 5 is arranged at each of two ends of the cam shaft 3; the pushing mechanism 5 pushes the positioning jig 4 above to move along the guide rail 2; the pushing mechanism 5 pushes the positioning jig 4 to be attached to the end portion of the cam shaft 3, the cam shaft 3 rotates, the poking piece 41 is led into the cam groove 31 from the end portion of the cam groove 31, and the rotating cam groove 31 pulls the positioning jig 4 to move along the guide rail 2. In the rail-type conveying device of the embodiment, the positioning jigs 4 are pushed to the end part of the cam shaft 3 by the pushing mechanism 5, the cam shaft 3 is driven to rotate by the driving part 6, when the shifting part 41 and the end part of the cam groove 31 rotate to the front end of the shifting part 41, the shifting part 41 enters the cam groove 31 under the action of the pushing mechanism 5, and the cam groove 31 follows the rotation of the cam shaft 3, so that the cam groove 31 pulls the shifting part 41 to move, and the positioning jigs 4 in the same group are driven to move along the guide rail 2; when the toggle piece 41 leaves the cam groove 31, the positioning jig 4 is pushed by the other pushing mechanism 5 to move along the guide rail 2. The rail type conveying device of the embodiment also has the following beneficial effects: the multiple groups of jig components are arranged on the guide rail 2, and the number of the positioning jigs 4 of each group of jig components is determined according to the time difference of the working procedures; for example, the time of the first process is 8 minutes, and the time of the second process is 2 minutes, so the number of the positioning jigs 4 is 4, and the first process is provided with 4 processing stations, and when the work of the 4 stations of the first process is completed and is conveyed to the position of the next conveying shaft 3, the stations of the second process complete the work on the 4 positioning jigs 4 one by one, so that each station can be ensured to be in a working state, a message is provided, and the production planning is more reasonable. When pushing the positioning jig 4, the pushing mechanism 5 at the input end of the cam groove 31 is in a stop state at the cam shaft 3, and the positioning jig 4 is limited by the end of the cam shaft 3, so that the positioning jig 4 conveyed from the previous step does not interfere with the positioning jig 4 of the next step. When the driving piece 6 drives the camshaft 3 to rotate, the toggle piece is guided into the cam groove 31 from the end part of the cam groove 31, and the rotating cam groove 31 pulls the positioning jig 4 to move along the guide rail 2; therefore, the positioning fixture 4 is positioned by the positioning section 311 of the cam groove 31, and the assembly or the processing of the workpiece in the positioning fixture is completed when the toggle piece 41 runs to the positioning section 311, so that the positioning accuracy is improved, and the position accuracy of each positioning fixture 4 can be ensured by the center distance between the adjacent positioning fixtures 4 of the connecting piece 40. And, promote positioning jig 4 through cam groove 31 and move for positioning jig 4 operates steadily, can avoid the location to lead to the product to lose at scram location, and transport time is short.

Further, the driving member 6 is a servo motor.

Further, the jig assembly comprises at least two positioning jigs 4, and a connecting piece 40 is arranged between every two adjacent positioning jigs 4. The positioning jigs 4 of the jig assembly are provided with the toggle pieces 41; the distance between adjacent ones of the toggle members 41 is equal to the pitch of the cam groove 31. In the embodiment, the poking piece 41 is arranged on the inner side of each positioning jig 4, so that each positioning jig is pushed to move forwards through the cam groove 31; therefore, when the jig component is arranged on the cam shaft 3 of the section, the cam groove 31 of the cam shaft 3 can always play a role in limiting and pushing the jig component of the group.

Further, the pushing mechanism 5 is a belt transmission mechanism; the two driving wheels of the pushing mechanism 5 are arranged on the inner side of the guide rail 2, and the axes of the two driving wheels of the pushing mechanism 5 are perpendicular to the inner side surface of the guide rail 2; when the pushing mechanism 5 pushes the positioning jig 4, the bottom of the positioning jig 4 is in contact with the transmission belt of the pushing mechanism 5. When the pushing mechanism 5 pushes the positioning jig 4 to move along the guide rail 2, the friction force between the conveying belt and the positioning jig 4 is utilized to drive the positioning jig 4 to move along the guide rail 2.

Further, the bottom of the positioning jig 4 is also provided with an elastic member 42, and the bottom of the elastic member 42 is provided with a friction block 43; the elastic element 42 presses the friction block 43 against the conveyor belt of the pushing device 5. The friction block 43 is extruded by the elastic piece 42 to be attached to the transmission belt, so that the friction force is increased, and the pushing and positioning jig 4 which can normally push the pushing mechanism 5 can move along the guide rail 2.

Further, the elastic element 42 includes two guiding shafts (not shown in the drawings) passing through the positioning fixture 4, a bottom plate connecting bottom ends of the two guiding shafts, and a spring disposed on the top of the bottom plate and the positioning fixture; the upper end of the guide shaft is provided with a limiting part, the upper end of the spring is abutted against the bottom of the positioning jig, and the lower end of the spring is abutted against the top of the bottom plate; the friction block 43 is fixedly connected to the bottom of the bottom plate.

Further, the guide rail 2 is in an annular runway shape; the camshaft 3 and the pushing mechanism 5 are both arranged on the inner side of the straight line section of the guide rail 2, and the camshaft 3 and the pushing mechanism 5 are arranged on the two straight line sections of the guide rail 2; the inner sides of the two arc sections of the guide rail 2 are both provided with a turntable 7, and a driving motor (shown in attached figures) for driving the turntable 7 to rotate is arranged in the rack 1; the axis of the turntable 7 and the circle center of the arc-shaped section of the guide rail 2 are on the same vertical line. In the embodiment, the positioning jig 4 can be recycled, specifically, the jig component is pushed above the turntable 7 and rotated by the turntable, so that the jig component reaches another section of straight line section of the guide rail 2; thereby realizing continuous circulation; when a machining station is arranged on the frame 1, the station is arranged on one side of the camshaft 3; therefore, when the positioning jig 4 is matched with the camshaft 3, the processing, assembling or detecting work of the product is completed.

Furthermore, a plurality of groups of cam shafts 3 are arranged on the inner side of the guide rail 2, and the plurality of groups of cam shafts 3 form a conveying assembly; one of said drive members 6 drives the rotation of said transfer assembly.

In another embodiment of multiple sets of camshafts 3, multiple sets of camshafts 3 are arranged on the inner side of the guide rail 2, and the multiple sets of camshafts 3 form a conveying assembly; each camshaft 3 corresponds to one driving piece 6, and each driving piece 6 drives the corresponding camshaft 4 to rotate; the two ends of the conveying assembly are provided with the pushing mechanisms 5.

Further, guide supporting parts 20 extend from the inner side and the outer side of the track 2, and the cross section of each guide supporting part 20 is an isosceles triangle; the bottom of the positioning fixture 4 is provided with at least three guide rollers 44, each guide roller 44 is provided with a V-shaped annular groove, and the annular groove is matched with the corresponding guide support portion 20 to support and guide the guide support portion 20 to the positioning fixture 4.

Further, the toggle member 41 includes a connecting shaft disposed inside the positioning fixture 4 and a rolling bearing sleeved on the connecting shaft. In the present embodiment, the friction between the driver 41 and the cam groove 31 can be reduced, thereby reducing wear.

Furthermore, two ends of the connecting piece 40 connecting adjacent positioning jigs 4 are pivotally connected with the corresponding positioning jigs 4.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The rail type conveying device is characterized by comprising a rack, wherein a guide rail and cam shafts are arranged on the rack, the cam shafts are positioned on the inner side of the guide rail, connecting parts extend from two ends of each cam shaft, supporting seats are sleeved on the two cam shafts, the connecting parts are rotatably connected with the two supporting seats, and the two supporting seats are fixedly connected with the rack; the cam shaft is provided with a cam groove, and the cam groove is provided with a conveying section and a positioning section; two ends of the cam groove respectively extend to the corresponding end parts of the cam shaft; the guide rail is provided with at least one group of jig components, and the jig components comprise at least one positioning jig; the inner side of at least one positioning jig of the jig assembly is provided with a stirring piece, and the jig assembly further comprises a pushing mechanism and a driving piece, wherein the driving piece drives the cam shaft to rotate, and the two ends of the cam shaft are provided with the pushing mechanisms; the pushing mechanism pushes the positioning jig above the pushing mechanism to move along the guide rail; push mechanism promotes the positioning jig with the terminal surface laminating of camshaft, the camshaft is rotatory, it follows to dial the piece the cam groove tip is leading-in to in the cam groove, rotatory cam groove pulling the positioning jig is followed the guide rail removes.

2. The orbital transfer device of claim 1 wherein: the jig assembly comprises at least two positioning jigs, and a connecting piece is arranged between every two adjacent positioning jigs; the positioning jigs of the jig assembly are provided with the poking pieces; the distance between the adjacent poking pieces is equal to the pitch of the cam grooves.

3. The orbital transfer device of claim 1 wherein: the pushing mechanism is a belt transmission mechanism; the two driving wheels of the pushing mechanism are arranged on the inner side of the guide rail, and the axes of the two driving wheels of the pushing mechanism are perpendicular to the inner side surface of the guide rail; when the pushing mechanism pushes the positioning jig, the bottom of the positioning jig is in contact with a transmission belt of the pushing mechanism.

4. The orbital transfer device of claim 3 wherein: the bottom of the positioning jig is also provided with an elastic piece, and the bottom of the elastic piece is provided with a friction block; the elastic piece extrudes the friction block on a transmission belt of the pushing mechanism.

5. The orbital transfer device of claim 4 wherein: the elastic part comprises two guide shafts penetrating through the positioning jig, a bottom plate connected with the bottom ends of the two guide shafts, and springs arranged on the bottom plate and the top of the positioning jig; the upper end of the guide shaft is provided with a limiting part, the upper end of the spring is abutted against the bottom of the positioning jig, and the lower end of the spring is abutted against the top of the bottom plate; the friction block is fixedly connected to the bottom of the bottom plate.

6. The orbital transfer device of claim 1 wherein: the guide rail is in an annular runway shape; the camshaft and the pushing mechanism are arranged on the inner side of the straight line section of the guide rail, and the camshaft and the pushing mechanism are arranged on the two straight line sections of the guide rail; the inner sides of the two arc sections of the guide rail are both provided with a turntable, and a driving motor for driving the turntable to rotate is arranged in the rack; the axis of the turntable and the circle center of the arc-shaped section of the guide rail are on the same vertical line.

7. The orbital transfer device of claim 1 wherein: a plurality of groups of cam shafts are arranged on the inner side of the guide rail, and form a conveying assembly; one driving piece drives the transmission assembly to rotate, or each cam shaft corresponds to one driving piece, and each driving piece drives the corresponding cam shaft to rotate; the two ends of the conveying assembly are provided with the pushing mechanisms.

8. The orbital transfer device of claim 1 wherein: guide supporting parts extend from the inner side and the outer side of the track, and the cross sections of the guide supporting parts are isosceles triangles; the bottom of the positioning jig is provided with at least three guide rollers, the guide rollers are provided with V-shaped annular grooves, and the annular grooves are matched with the corresponding guide supporting parts to enable the guide supporting parts to support the positioning jig.

9. The orbital transfer device of claim 1 wherein: the poking piece comprises a connecting shaft arranged on the inner side of the positioning jig and a rolling bearing sleeved on the connecting shaft.

10. The orbital transfer device of claim 2 wherein: and two ends of the connecting piece for connecting the adjacent positioning jigs are pivoted with the corresponding positioning jigs.