CN217530144U

CN217530144U - Multifunctional robot arm for machining

Info

Publication number: CN217530144U
Application number: CN202123344150.9U
Authority: CN
Inventors: 张晨; 罗时超
Original assignee: Suzhou Bison Machinery Technology Co ltd
Current assignee: Suzhou Bison Machinery Technology Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-10-04
Anticipated expiration: 2031-12-28

Abstract

The utility model discloses a multi-functional robot arm for machining, including graduated disk, work piece, stand, first servo motor, transmission storehouse, track board, slide, bedplate, screw rod, lift seat, connecting piece and second servo motor, the beneficial effects of the utility model are that, rotate through second servo motor drive screw, drive lift seat lift when the screw rod rotates, two slides of lift seat through the connecting piece drive are close to each other or keep away from to the splint of slide bottom carry out the centre gripping of work piece or put down, through the setting of connecting piece, make splint and work piece flexible contact, avoid the work piece to damage, rotate through first servo motor drive stand, thereby carry the work piece.

Description

Multifunctional robot arm for machining

Technical Field

The utility model relates to a machining technical field, concretely relates to multifunctional robot arm for machining.

Background

In the machining process, some workpieces need to be processed in multiple working procedures, and at this time, the workpieces are generally processed on an index plate, stations for performing different processing on the workpieces are uniformly arranged on the circumference of the index plate, and the workpieces are generally rotated between the stations by a mechanical arm.

The robotic arm of prior art carries out the centre gripping through the tongs to the work piece and transports, and at the in-process of centre gripping, the tongs is direct to be in rigid contact with the work piece, if the clamping-force too big can lead to the damage of work piece, if the clamping-force undersize, the work piece is in the in-process of transporting the phenomenon that takes place to fall easily, and the precision when the work piece transports is not high.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a multifunctional robot arm for machining, the utility model discloses a realize through following technical scheme.

A multifunctional robot arm for machining comprises an index plate, a workpiece, an upright post, a first servo motor, a transmission bin, a track plate, a sliding seat, a seat plate, a screw, a lifting seat, a connecting piece and a second servo motor; the upright post is rotatably connected to the center of the dividing plate, the lower surface of the dividing plate is fixedly connected with an L-shaped frame, a first servo motor is fixedly connected to the frame and used for driving the upright post to rotate, the track plates are symmetrically and fixedly connected to the left side and the right side of the transmission bin, the track plate is fixedly connected with the upright post through a fixing plate on the left side, a track groove is formed in the track plate, a track rod is fixedly connected in the track groove, the slide seat is positioned in the track groove and is in sliding connection with the track rod, a clamping plate is fixedly connected to the bottom of the slide seat, a first rotary seat is fixedly connected to the top of the slide seat, the seat plate is positioned right above the transmission bin, guide rods are fixedly connected between the seat plate and the transmission bin in a bilateral symmetry manner, and the screw rods are rotatably connected to the bottom plate and the top plate of the transmission bin, the top and the bedplate of screw rod rotate to be connected, and the rigid coupling has driven bevel gear on the screw rod in the transmission storehouse, lift seat and screw rod meshing, lift seat still with guide bar sliding connection, the left and right sides symmetry rigid coupling of lift seat has the second swivel mount, the both ends of connecting piece rotate with first swivel mount and second swivel mount respectively and are connected, the rear side rigid coupling of transmission storehouse has the aircraft bonnet, the second servo motor rigid coupling is in the aircraft bonnet, and the second servo motor is equipped with the forward second output shaft of level, the second output shaft rotates with the posterior lateral plate in transmission storehouse to be connected, and the head rigid coupling of second output shaft has initiative bevel gear, initiative bevel gear and driven bevel gear meshing.

Furthermore, the anti-skidding teeth made of rubber materials are fixedly connected to one side, close to each other, of the clamping plate.

Further, the connecting piece includes a sliding barrel and a slide bar, the sliding barrel interval sets up, the both ends sliding connection of slide bar is in the sliding barrel, and the guide way has been seted up to the inner wall of sliding barrel, the rigid coupling has guide way sliding connection's guide block on the slide bar, and the cover is equipped with reset spring on the slide bar between the sliding barrel, reset spring's both ends respectively with the sliding barrel fixed connection who corresponds, the one side that the sliding barrel kept away from each other still the rigid coupling have an otic placode, two otic placodes rotate with first swivel mount and second swivel mount respectively and are connected.

Furthermore, the first servo motor is provided with a first output shaft which is vertically upward, the upright post is linked with the first output shaft through a sheave mechanism, the sheave mechanism comprises a driving plate and a sheave body which are mutually matched, the driving plate is fixedly connected to the top of the first output shaft, and the sheave body is fixedly connected to the bottom of the upright post.

Furthermore, the power supply device further comprises a PLC controller, a power supply interface of the PLC controller is electrically connected with an external power supply through a master switch, and an output control end of the PLC controller is electrically connected with the first servo motor and the second servo motor respectively.

The beneficial effects of the utility model are that, rotate through second servo motor drive screw, drive the lift seat when the screw rod rotates and go up and down, the lift seat passes through two slides of connecting piece drive and is close to each other or keeps away from to the splint of slide bottom carry out the centre gripping of work piece or put down, through the setting of connecting piece, make splint and work piece flexible contact, avoid the work piece to damage, rotate through first servo motor drive stand, thereby carry the work piece.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some examples of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1: the utility model relates to a structure schematic diagram of a multifunctional robot arm for machining;

FIG. 2: the utility model discloses a partial sectional view of the position of the transmission bin;

FIG. 3: the structure schematic diagram of the connecting piece of the utility model;

FIG. 4: the utility model discloses well each circuit element's circuit connection schematic diagram.

The reference numbers are as follows:

1-index plate, 101-workpiece, 2-upright post, 3-first servo motor, 301-frame, 302-first output shaft, 303-driving dial plate, 304-grooved wheel body, 4-transmission bin, 5-track plate, 501-fixing plate, 502-track groove, 503-track rod, 6-sliding seat, 601-clamping plate, 602-first rotating seat, 603-anti-slip tooth, 7-seat plate, 701-guide rod, 8-screw rod, 801-driven bevel gear, 9-lifting seat, 901-second rotating seat, 10-connecting piece, 1001-sliding cylinder, 1002-sliding rod, 1003-guide groove, 1004-guide block, 1005-return spring, 1006-lug plate, 11-second servo motor, 1101-hood, 1102-second output shaft, 1103-driving bevel gear, 1201-PLC controller, 1202-main control switch, 1203-external power supply.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-4, a multifunctional robot arm for machining includes an index plate 1, a workpiece 11, a column 2, a first servo motor 3, a transmission bin 4, a track plate 5, a slide carriage 6, a seat plate 7, a screw 8, a lifting seat 9, a connecting member 10, and a second servo motor 11; the upright post 2 is rotatably connected at the center of the dividing plate 1, the lower surface of the dividing plate 1 is fixedly connected with an L-shaped frame 301, a first servo motor 3 is fixedly connected on the frame 301, the first servo motor 3 is used for driving the upright post 2 to rotate, the track plates 5 are symmetrically and fixedly connected at the left side and the right side of the transmission bin 4, the track plate 5 at the left side is fixedly connected with the upright post 2 through a fixing plate 501, the track plate 5 is provided with a track groove 502, the track groove 502 is fixedly connected with a track rod 503, the slide carriage 6 is positioned in the track groove 502 and is in sliding connection with the track rod 503, the bottom of the slide carriage 6 is fixedly connected with a clamping plate 601, the top of the slide carriage 6 is fixedly connected with a first rotary seat 602, the seat plate 7 is positioned right above the transmission bin 4, the guide rods 701 are fixedly connected between the seat plate 7 and the transmission bin 4 in a bilateral symmetry manner, and the screw 8 is rotatably connected in the bottom plate and the top plate of the transmission bin 4, the top of the screw 8 is rotatably connected with the seat plate 7, a driven bevel gear 801 is fixedly connected to the screw 8 in the transmission bin 4, the lifting seat 9 is meshed with the screw 8, the lifting seat 9 is further connected with the guide rod 701 in a sliding manner, second rotating seats 901 are symmetrically and fixedly connected to the left side and the right side of the lifting seat 9, two ends of the connecting piece 10 are rotatably connected with the first rotating seat 602 and the second rotating seats 901 respectively, a hood 1001 is fixedly connected to the rear side of the transmission bin 4, a second servo motor 11 is fixedly connected in the hood 1001, the second servo motor 11 is provided with a second output shaft 1002 which is horizontally forward, the second output shaft 1002 is rotatably connected with the rear side plate of the transmission bin 4, a driving bevel gear 1003 is fixedly connected to the head of the second output shaft 1002, and the driving bevel gear 1003 is meshed with the driven bevel gear 801.

Preferably, anti-slip teeth 603 made of rubber are fixed on the sides of the clamping plates 601 close to each other.

Preferably, the connecting element 10 includes a sliding cylinder 1001 and a sliding rod 1002, the sliding cylinder 1001 is disposed at an interval, two ends of the sliding rod 1002 are slidably connected in the sliding cylinder 1001, a guide groove 1003 is formed in an inner wall of the sliding cylinder 1001, a guide block 1004 slidably connected with the guide groove 1003 is fixedly connected to the sliding rod 1002, a return spring 1005 is sleeved on the sliding rod 1002 between the sliding cylinders 1001, two ends of the return spring 1005 are respectively fixedly connected with the corresponding sliding cylinder 1001, an ear plate 1006 is further fixedly connected to one side of the sliding cylinder 1001 away from each other, and the two ear plates 1006 are respectively rotatably connected with the first rotating base 602 and the second rotating base 901.

Preferably, the first servo motor 3 is provided with a first output shaft 302 in a vertical direction, the upright column 2 is linked with the first output shaft 302 through a sheave mechanism, the sheave mechanism comprises a driving dial 303 and a sheave body 304 which are mutually matched, the driving dial 303 is fixedly connected to the top of the first output shaft 302, and the sheave body 304 is fixedly connected to the bottom of the upright column 2.

Preferably, the system further comprises a PLC controller 1201, a power interface of the PLC controller 1201 is electrically connected to the external power source 1203 through the main control switch 1202, and output control ends of the PLC controller 1201 are electrically connected to the first servo motor 3 and the second servo motor 11, respectively.

The utility model discloses a concrete implementation does:

the geneva mechanism is common prior art, round pins are arranged on the driving drive plate 303, radial grooves corresponding to the round pins are arranged on the geneva body 304, the radial grooves are uniformly arranged on the circumference of the geneva body 304, an outer concave locking arc and an inner concave locking arc which are matched with each other are further arranged on the driving drive plate 303 and the geneva body 304 respectively, the driving drive plate 303 rotates for one circle, the round pins drive the geneva body 304 to rotate for a fixed angle, the number of the radial grooves is set to be consistent with the stations on the index plate 1, namely, the driving drive plate 303 rotates for one circle, the rotating angle of the upright post 2 is consistent with the included angle between the adjacent stations, and the transfer angle of the workpiece 11 is more accurate.

When the first servo motor 3 rotates for a circle, the upright post 2 is driven to rotate by a fixed angle.

The second servo motor 11 drives the second output shaft 1002 and the drive bevel gear 1003 to rotate when working, the drive bevel gear 1003 drives the driven bevel gear 801 and the screw 8 to rotate when rotating, the lifting seat 9 is meshed with the screw 8 and is guided in a limiting mode through the guide rod 701, the lifting seat 9 pulls the two sliding seats 6 to be close to or far away from each other through the connecting piece 10 when lifting, when the second servo motor 11 is arranged to rotate positively, the lifting seat 9 rises, and when the second servo motor 11 rotates negatively, the lifting seat 9 falls.

When two clamp plates 601 respectively contact with the two sides of work, the lifting seat 9 continues to rise and can not pull the slide seat 6 to move, at the moment, the connecting piece 10 extends, the return spring 1005 extends, and through the arrangement of the return spring 1005, the clamp plates 601 flexibly contact with the workpiece 11, the damage to the workpiece 11 caused by overlarge clamping force is avoided, and when the return spring 1005 extends, the counter force of the return spring 1005 acts on the slide seat 6 and the clamp plates 601, so that the clamp plates 601 clamp the workpiece 11.

When the workpiece 11 needs to rotate, the PLC controller 1201 is started through the main control switch 1202, and the PLC controller 1201 drives the first servo motor 3 and the second servo motor 11 to work as follows:

firstly, the second servo motor 11 rotates forwards to clamp the workpiece 11;

the second servo motor 11 brakes, the first servo motor 3 rotates for a circle, so that the upright post 2 rotates, and drives the workpiece 11 to rotate for a fixed angle, so that the workpiece 11 moves to the next station;

the first servo motor 3 is braked, and the second servo motor 11 is reversely rotated, so that the workpiece 11 is put down;

the first servomotor 3 and the second servomotor 11 are simultaneously braked.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, thereby enabling others skilled in the art to best understand the invention and its practical application. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a multi-functional robot arm for machining, includes graduated disk and work piece, its characterized in that: the device also comprises a stand column, a first servo motor, a transmission bin, a track plate, a sliding seat, a seat plate, a screw rod, a lifting seat, a connecting piece and a second servo motor; the stand rotates to be connected at the center of graduated disk, and the lower surface rigid coupling of graduated disk has the frame of L shape, first servo motor rigid coupling is in the frame, and first servo motor is used for driving the stand and rotates, track board symmetry rigid coupling is in the left and right sides in transmission storehouse, and the left side the track board passes through fixed plate and stand fixed connection, has seted up the track groove on the track board, and track inslot rigid coupling has the track pole, the slide is located the track inslot and with track pole sliding connection, the bottom rigid coupling of slide has splint, the top rigid coupling of slide has first swivel mount, the bedplate is located transmission storehouse directly over, and bilateral symmetry rigid coupling has the guide bar between bedplate and the transmission storehouse, the screw rod rotates to be connected in the bottom plate and the roof in transmission storehouse, and the top and the bedplate of screw rod rotate to be connected, and the rigid coupling has driven bevel gear on the screw rod in the transmission storehouse, lift seat and screw rod meshing, lift seat still with guide bar sliding connection, the left and right sides symmetry rigid coupling of lift seat has the second swivel mount, the both ends of connecting piece rotate with first swivel mount and second respectively and be connected, the rear side rigid coupling of transmission storehouse has driven bevel gear, the rear side rigid coupling of second motor is equipped with the output shaft, the horizontal bevel gear, the output shaft of servo motor is connected with the output shaft in front of second output shaft.

2. The multifunctional robot arm for machining according to claim 1, characterized in that: and one side of the clamping plates, which is close to each other, is fixedly connected with anti-skidding teeth made of rubber.

3. The multifunctional robot arm for machining according to claim 1, characterized in that: the connecting piece includes a sliding barrel and a sliding rod, the sliding barrel interval sets up, the both ends sliding connection of sliding rod is in the sliding barrel, and the guide way has been seted up to the inner wall of sliding barrel, the rigid coupling has guide way sliding connection's guide block on the sliding rod, and the cover is equipped with reset spring on the sliding rod between the sliding barrel, reset spring's both ends respectively with the sliding barrel fixed connection who corresponds, one side that the sliding barrel was kept away from each other still the rigid coupling have the otic placode, and two otic placodes rotate with first swivel mount and second swivel mount respectively and are connected.

4. The multifunctional robot arm for machining according to claim 1, characterized in that: the first servo motor is provided with a first output shaft which is vertically upward, the stand column is linked with the first output shaft through a sheave mechanism, the sheave mechanism comprises a driving plate and a sheave body which are mutually matched, the driving plate is fixedly connected to the top of the first output shaft, and the sheave body is fixedly connected to the bottom of the stand column.

5. The multifunctional robot arm for machining according to claim 4, characterized in that: still include the PLC controller, the power source of PLC controller passes through master switch and external power electric connection, and the output control end of PLC controller is first servo motor of electric connection and second servo motor respectively.