CN214921994U

CN214921994U - Lower retainer mounting device

Info

Publication number: CN214921994U
Application number: CN202022890778.8U
Authority: CN
Inventors: 郁彬; 于洋; 周佳
Original assignee: Kunshan Aodelu Automation Technology Co ltd
Current assignee: Kunshan Aodelu Automation Technology Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-11-30
Anticipated expiration: 2030-12-02

Abstract

The utility model relates to the technical field of bearing assembly, and discloses a lower retainer mounting device, which comprises a manipulator, a lower retainer feeding mechanism and a lower retainer mounting mechanism, wherein the manipulator is configured to obtain a bearing of a lower retainer to be mounted and drive the bearing to a lower retainer mounting position; the lower retainer feeding mechanism is configured to convey the lower retainers one by one to the lower retainer mounting mechanism; the lower retainer mounting mechanism can be used for bearing the lower retainer below the lower retainer feeding mechanism and driving the lower retainer to a lower retainer mounting position to jack the lower retainer into the bearing. The lower retainer feeding mechanism of the lower retainer mounting device is ingenious in structure, the material can be discharged while being fed, and the discharging structure is simple and easy to control; the mechanical arm is matched with the lower retainer mounting mechanism, so that the bearing can be efficiently and easily assembled, and the quick assembly of the lower retainer is realized.

Description

Lower retainer mounting device

Technical Field

The utility model relates to a bearing assembly technical field especially relates to a lower holder installation device.

Background

The bearing is one of the important parts in the modern mechanical equipment. Its main function is as the rotator that supports machinery, reduces its coefficient of friction in the motion to guarantee its gyration precision. The bearings can be classified into rolling bearings and sliding bearings according to the frictional properties of the moving elements. The rolling bearing generally comprises an outer ring, an inner ring, a rolling body and a retainer. In the assembly process of the rolling bearing, the inner ring, the outer ring and the rolling body are firstly sleeved, then ball collection and ball separation are carried out, and then the retainer is riveted. For the assembly of a nailed lower cage, it is conventional to operate manually. In the assembling mechanism for automatically assembling the lower retainer with the nails, the feeding device of the lower retainer adopts a disc cam mechanism to control the extension of the inner claw to realize feeding, and has the problems of complex structure and inconvenience for assembling.

In view of the above-mentioned drawbacks, the present designer is actively making research and innovation to create a new lower retainer mounting device, so that the lower retainer mounting device has more industrial utility value.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lower holder installation device simplifies the material loading structure of lower holder, realizes the rapid Assembly of lower holder.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a lower holder installation device, includes manipulator, lower holder feed mechanism and lower holder installation mechanism, wherein:

the manipulator is configured to obtain a bearing of the lower retainer to be installed and drive the bearing to the lower retainer installation position;

the lower retainer feeding mechanism is configured to convey the lower retainers one by one to the lower retainer mounting mechanism;

the lower retainer mounting mechanism can be used for bearing the lower retainer below the lower retainer feeding mechanism and driving the lower retainer to a lower retainer mounting position to jack the lower retainer into the bearing.

As the preferable scheme of the lower holder installation device, the lower holder feeding mechanism comprises a lower holder feeding frame, a lower holder feeding frame driving unit, a lower holder releasing unit and a lower holder discharging unit, wherein:

the lower retainer feeding frame comprises a rotating shaft, a plurality of shaft rods and clamping structures connected with the rotating shaft, the shaft rods are uniformly distributed along the circumferential direction of the rotating shaft, the clamping structures are configured to movably clamp the shaft rods, and the shaft rods are configured to penetrate through the lower retainer;

the lower holder feeding frame driving unit is configured to drive the lower holder feeding frame to rotate so that the shaft rods correspond to the lower holder releasing units one by one;

the lower holder releasing unit is configured to drive the catching structure to release the grip of the bottom of the corresponding shaft;

the lower holder discharging unit is configured to receive the lower holders dropped from the shaft, temporarily store the lower holders, and release the lower holders one by one.

As a preferable embodiment of the lower retainer mounting device, the retaining structure includes a shaft rod mounting disc coaxially connected to the rotating shaft, and a shaft rod clamping assembly coaxially connected to the rotating shaft, the shaft rod mounting disc is uniformly provided with, along an edge thereof, bayonets equal in number to the shaft rods and retaining members corresponding to the bayonets one to one, the bayonets are configured to retain the corresponding shaft rods, the retaining members can retain tops of the corresponding shaft rods, and the shaft rod clamping assembly is configured to clamp bottoms of the corresponding shaft rods.

As a preferred embodiment of the lower retainer mounting device, the shaft rod clamping assembly includes a fixed disk and clamping jaw members equal in number to the shaft rods, the fixed disk is coaxially connected to the rotating shaft, each clamping jaw member is mounted at the bottom of the fixed disk and is in one-to-one correspondence with each shaft rod, each clamping jaw member includes a clamping jaw fixing plate and two clamping jaws which are oppositely arranged and are rotatably connected to the clamping jaw fixing plate, and each clamping jaw is connected to a pin shaft.

As a preferable scheme of the lower holder installation device, the lower holder release unit includes an angle-shaped plate and an angle-shaped plate driving member, the angle-shaped plate driving member is configured to drive the angle-shaped plate to enter and exit between two corresponding pins, and the angle-shaped plate can abut against the two corresponding pins in a process of entering between the two pins.

As a preferable scheme of the lower retainer mounting device, the lower retainer discharging unit includes a material passing cylinder, a clamping component and a clamping component driving unit, wherein:

the material passing cylinder can be passed by the lower retainer;

the clamping assembly comprises a clamping ring and a plurality of clamping jaws, the clamping ring is coaxially connected to the bottom of the material passing cylinder, the inner diameter of the clamping ring is equal to that of the material passing cylinder, and the clamping jaws are uniformly and movably inserted into the clamping ring along the radial direction of the clamping ring;

the clamping component driving unit comprises a lantern ring and a lantern ring driving piece, the lantern ring is rotatably sleeved at the bottom of the material passing barrel, a plurality of sliding grooves which are in sliding fit with the clamping jaws respectively are formed in the lantern ring, and the lantern ring driving piece is configured to drive the lantern ring to rotate.

As a preferable aspect of the above lower holder mounting device, the lower holder mounting mechanism includes a rest, a rest driving member, and two lifting members, wherein:

through holes are formed in two ends of the placing table in a penetrating mode, and a plurality of protruding blocks for bearing the lower retainer are arranged on the inner wall of each through hole;

the rest driving piece is configured to drive the rest to rotate so that the two through holes rotate to the position below the lower retainer discharging unit and the position below the lower retainer mounting position in turn;

the two jacking pieces are respectively configured to lift and receive the lower retainer released from the lower retainer discharging unit, carry the lower retainer onto each lug, lift and jack the upper retainer into a raceway of a bearing.

In a preferred embodiment of the above lower holder mounting device, the top surface of the jacking member has a supporting groove matched with the shape of the upper holder.

As a preferable aspect of the lower holder mounting device described above, the robot includes a gripper unit configured to grip/unclamp the bearing, and a gripper unit driving member configured to drive the gripper unit to swing back and forth at the gripping position and the lower holder mounting position.

The utility model has the advantages that: the feeding mechanism of the lower retainer has an ingenious structure, can discharge materials while feeding, and has a simple and easily controlled discharging structure; the mechanical arm is matched with the lower retainer mounting mechanism, so that the bearing can be efficiently and easily assembled, and the quick assembly of the lower retainer is realized.

Drawings

Fig. 1 is a schematic structural diagram of a lower holder mounting device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a lower holder feeding mechanism in a lower holder installation device according to an embodiment of the present invention;

FIG. 3 is a schematic view of the structure of the retaining structure in the lower cage feeding mechanism;

FIG. 4 is a schematic view of the installation structure of the lower holder releasing unit and the lower holder discharging unit in the lower holder feeding mechanism;

FIG. 5 is a schematic view of an alternative angle mounting arrangement of the lower holder release unit and the lower holder discharge unit in the lower holder loading mechanism (with the snap ring removed);

fig. 6 is a schematic structural diagram of a lower holder mounting mechanism in the lower holder mounting device according to the embodiment of the present invention;

fig. 7 is a schematic structural view of a robot in the lower holder mounting device according to the embodiment of the present invention.

In the figure: 610-manipulator, 611-gripper unit, 612-gripper unit drive, 620-lower holder feeding mechanism, 621-lower holder feeding rack, 6211-rotating shaft, 6212-shaft rod, 6213-shaft rod mounting disk, 6214-shaft rod clamping assembly, 6215-clamping member, 6216-fixing disk, 6217-gripper member, 6218-gripper fixing plate, 6219-gripper, 6220-pin shaft, 622-lower holder feeding rack drive unit, 623-lower holder release unit, 6231-angle plate, 6232-angle plate drive, 624-lower holder discharging unit, 6241-charging barrel, 6242-snap ring, 6243-jaw, 6244-collar, 6245-sliding groove, 6246-collar, 630-lower holder mounting mechanism, 631-rest, 6311-through hole, 6312-projection, 632-rest driving piece, 633-lifting piece, 6331-supporting groove, 640-lower holder mounting position, 650-clamping position.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; 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 present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless otherwise expressly stated or limited, the second feature "on" or "under" the second feature may comprise the second and second feature being in direct contact, or the second and second feature being in contact, not directly, but via another feature therebetween. Also, a second feature "on," "above," and "above" a second feature includes the second feature being directly above and obliquely above the second feature, or simply indicating that the second feature is at a higher level than the second feature. A second feature being "under," "below," and "beneath" the second feature includes the second feature being directly under and obliquely below the second feature, or simply means that the second feature is at a lesser level than the second feature.

As shown in fig. 1 to 7, the lower holder mounting device of the present invention includes a manipulator 610, a lower holder feeding mechanism 620, and a lower holder mounting mechanism 630. The manipulator 610 is configured to obtain a bearing of the lower holder to be installed and drive the bearing to the lower holder installation position 640; the lower holder feeding mechanism 620 is configured to convey the lower holders one by one to the lower holder mounting mechanism 630; the lower holder mounting mechanism 630 can receive the lower holder below the lower holder feeding mechanism 620 and drive the lower holder to the lower holder mounting position 640 to eject the lower holder into the bearing.

Specifically, the lower holder feeding mechanism 620 includes a lower holder feeding frame 621, a lower holder feeding frame driving unit 622, a lower holder releasing unit 623, and a lower holder discharging unit 624. The lower holder loading frame 621 comprises a rotating shaft 6211, a plurality of shaft rods 6212 and a clamping structure connected with the rotating shaft 6211, wherein each shaft rod 6212 is uniformly distributed along the circumferential direction of the rotating shaft 6211, the clamping structure is configured to movably clamp each shaft rod 6212, and the shaft rod 6212 is configured to penetrate through the lower holder; the lower holder loading frame driving unit 622 is configured to drive the lower holder loading frame 621 to rotate so that the shaft levers 6212 correspond to the lower holder releasing unit 623 one by one; the lower holder releasing unit 623 is configured to drive the catching structure to release the grip on the bottom of the corresponding shaft 6212; the lower holder discharging unit 624 is configured to receive the lower holders dropped from the shaft 6212, temporarily store the lower holders, and release the lower holders one by one. The multiple shaft rods 6212 are arranged and the shaft rods 6212 rotate along the circumference, so that continuous feeding can be realized, other working procedures are not required to be suspended in the feeding process, and the assembly efficiency of the bearing is improved.

The clamping structure comprises a shaft rod mounting disc 6213 coaxially connected with the rotating shaft 6211 and a shaft rod clamping assembly 6214 coaxially connected with the rotating shaft 6211, wherein the shaft rod mounting disc 6213 is uniformly provided with bayonets with the same number as the number of the shaft rods 6212 and clamping pieces 6215 corresponding to the bayonets one to one along the edge of the shaft rod mounting disc 6213, the bayonets are configured to clamp the corresponding shaft rods 6212, the clamping pieces 6215 can clamp the tops of the corresponding shaft rods 6212, and the shaft rod clamping assembly 6214 is configured to clamp the bottoms of the corresponding shaft rods 6212. When the lower holder is loaded, the top of the shaft lever 6212 is separated from the catching member 6215, the lower holder is fitted over the shaft lever 6212, and the top of the shaft lever 6212 is caught by the catching member 6215.

In addition, the shaft lever clamping assembly 6214 comprises a fixed disc 6216 and clamping jaw members 6217 equal in number to the shaft lever 6212, the fixed disc 6216 is coaxially connected with the rotating shaft 6211, each clamping jaw member 6217 is mounted at the bottom of the fixed disc 6216 and is in one-to-one correspondence with each shaft lever 6212, each clamping jaw member 6217 comprises a clamping jaw fixing plate 6218 and two clamping jaws 6219 which are oppositely arranged and are rotatably connected with the clamping jaw fixing plate 6218, and each clamping jaw 6219 is connected with a pin shaft 6220. The clamping jaws 6219 clamp the bottom of the shaft 6212 in the closed state; when the jaws 6219 are in the opened state, the upper holding feces on the shaft 6212 falls between the opened jaws 6219 into the lower holder blanking unit 624.

The utility model discloses utilize lower holder release unit 623 to realize opening and shutting of clamping jaw 6219. The lower holder releasing unit 623 includes an angular plate 6231 and an angular plate driving member 6232, the angular plate driving member 6232 is configured to drive the angular plate 6231 to move in and out between two corresponding pins 6220, and the angular plate 6231 can abut against the two corresponding pins 6220 in the process of moving in between the two pins 6220. In the process that the angle plate 6231 abuts against the two pin shafts 6220, the pin shafts 6220 drive the clamping jaws 6219 to rotate, and the two clamping jaws 6219 are opened; after the angled plate 6231 is withdrawn from between the two pins 6220, the two jaws 6219 are repositioned to continue to grip the shaft 6212.

When the lower holder falls off the shaft 6212, it falls into the lower holder discharging unit 624. The lower retainer discharging unit 624 of the utility model comprises a material passing cylinder 6241, a clamping component and a clamping component driving unit, wherein the material passing cylinder 6241 can be used for the lower retainer to pass through; the clamping assembly comprises a snap ring 6242 and a plurality of clamping jaws 6243, the snap ring 6242 is coaxially connected to the bottom of the feed passing cylinder 6241, the inner diameter of the snap ring 6242 is equal to that of the feed passing cylinder 6241, and each clamping jaw 6243 is uniformly and movably inserted into the snap ring 6242 along the radial direction of the snap ring 6242; the driving unit of the holding assembly comprises a lantern ring 6244 and a lantern ring driving member 6246, the lantern ring 6244 is rotatably sleeved at the bottom of the material passing cylinder 6241, the lantern ring 6244 is provided with a plurality of sliding grooves 6245 which are respectively matched with the clamping claws 6243 in a sliding manner, and the lantern ring driving member 6246 (such as a cylinder) is configured to drive the lantern ring 6244 to rotate. It can be seen that, in the process of rotating and resetting the lantern ring 6244 by the lantern ring driving member 6246, a lower retainer can fall from the material passing cylinder 6241 into the lower retainer mounting mechanism 630.

For the lower holder mounting mechanism 630 of the present invention, it includes the rest 631, the rest driving element 632 and the two jacking pieces 633, the through hole 6311 is provided at both ends of the rest 631, the inner wall of the through hole 6311 is provided with a plurality of protrusions 6312 for bearing the lower holder; the rest driving unit 632 is configured to drive the rest 631 to rotate, so that the two through holes 6311 rotate to the lower holder discharging unit 624 below and the lower holder installation position 640 in turn; the two lifters 633 are configured to lift up and receive the lower cage released from the lower cage discharging unit 624 and carry onto each of the tabs 6312, respectively, and lift up to lift the upper cage into the raceway of the bearing. The jacking piece 633 positioned below the material passing cylinder 6241 passes through the through hole 6311 to rise to the bottom of the material passing cylinder 6241, and supports the lower retainer falling from the material passing cylinder 6241, then the jacking piece 633 descends, when passing through the through hole 6311, the lower retainer on the jacking piece 633 is blocked by the lug 6312, the jacking piece 633 returns, and the lower retainer is left on each lug 6312. In order to stably support the lower holder by the jacking member 633, the top surface of the jacking member 633 of the present invention has a bearing groove 6331 matched with the shape of the upper holder. When the upper retainer is installed, the placing table driving element 632 drives the placing table 631 to rotate, so that the through hole 6311 with the lower retainer is rotated to the lower retainer installation position 640, the jacking piece 633 below the through hole 6311 is lifted, and in the lifting process, the lower retainer placed on each bump 6312 is jacked up and jacked into the raceway of the bearing on the lower retainer installation position 640.

The bearing is held and fixed by the robot 610 during the installation process, the robot 610 of the present invention includes a clamping jaw unit 611 and a clamping jaw unit driving member 612, the clamping jaw unit 611 is configured to clamp/unclamp the bearing, and the clamping jaw unit driving member 612 is configured to drive the clamping jaw unit 611 to swing back and forth at the clamping position 650 and the lower holder installation position 640.

In conclusion, the lower retainer feeding mechanism 620 of the lower retainer mounting device has an ingenious structure, can discharge materials while feeding, and has a simple and easily controlled discharging structure; the cooperation of the manipulator 610 and the lower holder mounting mechanism 630 allows for efficient and easy assembly of the bearings, which allows for quick assembly of the lower holder.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims

1. A lower holder mounting device, comprising a robot (610), a lower holder feeding mechanism (620) and a lower holder mounting mechanism (630), wherein:

the manipulator (610) is configured to acquire a bearing of a lower retainer to be installed and drive the bearing to a lower retainer installation position (640);

the lower holder feeding mechanism (620) is configured to convey lower holders one by one to the lower holder mounting mechanism (630);

the lower retainer mounting mechanism (630) can receive the lower retainer below the lower retainer feeding mechanism (620) and drive the lower retainer to a lower retainer mounting position (640) to jack the lower retainer into the bearing.

2. A lower holder mounting device according to claim 1, wherein the lower holder feeding mechanism (620) comprises a lower holder feeding rack (621), a lower holder feeding rack driving unit (622), a lower holder releasing unit (623), and a lower holder discharging unit (624), wherein:

the lower retainer loading frame (621) comprises a rotating shaft (6211), a plurality of shaft rods (6212) and a clamping structure connected with the rotating shaft (6211), wherein the shaft rods (6212) are uniformly distributed along the circumferential direction of the rotating shaft (6211), the clamping structure is configured to movably clamp the shaft rods (6212), and the shaft rods (6212) are configured to penetrate through the lower retainer;

the lower holder loading frame driving unit (622) is configured to drive the lower holder loading frame (621) to rotate so that the shaft rods (6212) correspond to the lower holder releasing unit (623) one by one;

the lower holder release unit (623) is configured to drive the catch structure to release the grip on the bottom of the corresponding shaft (6212);

the lower holder discharging unit (624) is configured to receive the lower holders dropped from the shaft rod (6212), temporarily store the lower holders, and release the lower holders one by one.

3. The lower holder mounting device according to claim 2, wherein the holding structure comprises a spindle mounting disc (6213) coaxially connected to the rotating shaft (6211), a spindle clamping assembly (6214) coaxially connected to the rotating shaft (6211), the spindle mounting disc (6213) being uniformly provided along an edge thereof with a number of bayonets equal to the number of the spindles (6212) and holding pieces (6215) one-to-one corresponding to the respective bayonets, the bayonets being configured to hold the corresponding spindles (6212), the holding pieces (6215) being capable of holding tops of the corresponding spindles (6212), the spindle clamping assembly (6214) being configured to hold bottoms of the corresponding spindles (6212).

4. The lower holder mounting device according to claim 3, wherein the shaft lever clamping assembly (6214) comprises a fixed disc (6216) and a number of claw members (6217) equal to the number of the shaft levers (6212), the fixed disc (6216) is coaxially connected with the rotating shaft (6211), each claw member (6217) is mounted at the bottom of the fixed disc (6216) and corresponds to each shaft lever (6212) one by one, the claw members (6217) comprise a claw fixing plate (6218) and two opposite clamping claws (6219) which are rotatably connected with the clamping claw fixing plate (6218), and each clamping claw (6219) is connected with a pin shaft (6220).

5. The lower holder mounting device according to claim 4, wherein the lower holder release unit (623) comprises an angular plate (6231) and an angular plate drive (6232), the angular plate drive (6232) being configured to drive the angular plate (6231) in and out between two corresponding pins (6220), the angular plate (6231) being capable of abutting against the two corresponding pins (6220) during the entry between the two pins (6220).

6. The lower holder mounting device according to claim 2, wherein the lower holder discharging unit (624) comprises a feed through barrel (6241), a chucking assembly, and a chucking assembly driving unit, wherein:

the feed passing cylinder (6241) can be passed through by the lower retainer;

the clamping assembly comprises a clamping ring (6242) and a plurality of clamping jaws (6243), the clamping ring (6242) is coaxially connected to the bottom of the material passing barrel (6241), the inner diameter of the clamping ring (6242) is equal to that of the material passing barrel (6241), and each clamping jaw (6243) is uniformly and movably inserted into the clamping ring (6242) along the radial direction of the clamping ring (6242);

the clamping assembly driving unit comprises a lantern ring (6244) and a lantern ring driving piece (6246), the lantern ring (6244) is rotatably sleeved at the bottom of the feed passing barrel (6241), the lantern ring (6244) is provided with a plurality of sliding grooves (6245) which are respectively in sliding fit with the clamping jaws (6243), and the lantern ring driving piece (6246) is configured to drive the lantern ring (6244) to rotate.

7. The lower cage mounting arrangement of claim 2, wherein the lower cage mounting mechanism (630) comprises a rest (631), a rest drive (632), and two lifters (633), wherein:

through holes (6311) are formed at two ends of the placing table (631), and a plurality of lugs (6312) for bearing the lower holder are arranged on the inner wall of each through hole (6311);

the rest driving piece (632) is configured to drive the rest (631) to rotate, so that the two through holes (6311) rotate to the position below the lower holder discharging unit (624) and below the lower holder mounting position (640) in turn;

the two jacking pieces (633) are respectively configured to lift and bear the lower retainer released from the lower retainer discharging unit (624), carry the lower retainer onto each lug (6312), lift and jack the upper retainer into a raceway of a bearing.

8. Lower holder mounting arrangement according to claim 7, characterized in that the top surface of the jacking members (633) have a holding groove (6331) that is form-fit to the upper holder.

9. Lower holder mounting arrangement according to claim 1, characterized in that the manipulator (610) comprises a gripper unit (611) and a gripper unit drive (612), the gripper unit (611) being configured to grip/release the bearing, the gripper unit drive (612) being configured to drive the gripper unit (611) to oscillate back and forth at a gripping location (650) and a lower holder mounting location (640).