CN210306607U

CN210306607U - Double-row angular contact bearing assembly mechanism

Info

Publication number: CN210306607U
Application number: CN201921286658.8U
Authority: CN
Inventors: 张厚发
Original assignee: Hebei Jiashun Stainless Steel Bearing Manufacturing Co ltd
Current assignee: Hebei Jiashun Stainless Steel Bearing Manufacturing Co ltd
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-04-14
Anticipated expiration: 2029-08-09

Abstract

The utility model relates to a bearing assembly equipment technical field just discloses a double row angular contact bearing assembly devices, which comprises a bracket, the top fixedly connected with workstation of support, the equal fixedly connected with mount in both sides at workstation top, the roof-rack middle part that the top of mount is connected is equipped with pressure equipment and constructs. This double-row angular contact bearing assembly devices, it rises to the top of workstation to drive the pressure equipment platform through starting the cylinder, it is solid to recycle arc fixture block to carry out the card to the bearing on the pressure equipment bench, the pressure equipment of bearing is accomplished to rethread start-up pressure equipment mechanism, and after the pressure equipment is accomplished, start the cylinder and drive the pressure equipment platform and descend to the below of workstation, at this moment, start first motor and drive the pivot and rotate, thereby drive the fixing base and rotate, and then lift the bearing that the pressure equipment bench assembled off, realize the automatic discharge after the bearing assembly is accomplished, high durability and convenient use, reducible manual intervention, the automation degree is high, the efficiency of bearing assembly has been improved.

Description

Double-row angular contact bearing assembly mechanism

Technical Field

The utility model relates to a bearing rigging equipment technical field specifically is a double row angular contact bearing assembly devices.

Background

The double-row angular contact ball bearing is basically designed as a single-row angular contact ball bearing, but only occupies smaller axial space, can bear radial load and axial load acting in two directions, can limit the bidirectional axial displacement of a shaft or a shell, has a contact angle of 30 degrees, can provide a bearing configuration with higher rigidity, can bear overturning moment, and needs to be assembled by using an assembling mechanism in the production and processing process of the double-row angular contact ball bearing.

However, in the existing double-row angular contact ball bearing assembly mechanism, the adjustability of the positioning mechanism for clamping the outer ring of the bearing is poor, and the specifications of the double-row angular contact ball bearing are various, so that the assembly work of the double-row angular contact ball bearing with different specifications is difficult to meet.

SUMMERY OF THE UTILITY MODEL

The utility model is not enough to prior art, the utility model provides a double row angular contact bearing assembly devices, it is strong to possess bearing inner race positioning mechanism controllability for assembly devices, the assembly precision is high, the advantage of high quality, in having solved current double row angular contact ball bearing assembly devices, it is poor to be used for the solid positioning mechanism controllability of bearing inner race card, and double row angular contact ball bearing specification has a lot of, consequently, be difficult to satisfy different specification double row angular contact ball bearing's fitting work, there are two semicircle type positioning mechanisms of adoption to carry out the card to the bearing among the prior art and solidify, but adopt the outer wall that fixed semicircle type positioning mechanism is difficult to closely laminating the bearing, therefore the condition of skew appears easily in assembly process, lead to the assembly precision poor, the problem of low quality.

The utility model provides a following technical scheme: the utility model provides a biserial angular contact bearing assembly devices, includes the support, the top fixedly connected with workstation of support, the equal fixedly connected with mount in both sides at workstation top, the roof-rack middle part that the top of mount is connected is equipped with pressure equipment mechanism, the middle part fixedly connected with link of support one side, the middle part fixed mounting of link one side has first motor, fixed cover is equipped with the pivot on the output shaft of first motor, the one end fixedly connected with fixing base of pivot, the middle part fixed mounting of fixing base bottom has the cylinder, the output movable sleeve of cylinder is equipped with the piston rod, the equal fixedly connected with telescopic link of four corners at fixing base top, the top fixedly connected with pressure equipment platform of telescopic link, the side fixed mounting of mount has the second motor.

Preferably, fixed cover is equipped with first lead screw on the output shaft of second motor, the equal screw thread cover in both ends of first lead screw is equipped with slider, one the side fixed mounting of slider has the third motor, fixed cover is equipped with the second lead screw on the output shaft of third motor, another the first bracing piece of middle part fixedly connected with of slider side, the equal movable sleeve in both ends of first bracing piece and second lead screw is equipped with the arc fixture block, movable sleeve is equipped with the loop bar between two arc fixture blocks on first bracing piece and the second lead screw and be located same straight line, it has the rubber pad to encircle on the curved inner wall of arc fixture block, the quantity of mount has four, two fixed cover is equipped with the second bracing piece between the mount that is located the workstation front end.

Preferably, the middle part of the bottom end of the press mounting table is fixedly connected with the top of the piston rod, a cavity formed in the middle of the press mounting table and the workbench is movably sleeved, and the press mounting table is movably connected with the bottom of the press mounting mechanism.

Preferably, the first screw rod is movably sleeved on two fixing frames positioned at the rear end of the workbench.

Preferably, the second screw rod is movably sleeved between the two sliding blocks which are positioned on the same straight line on the first screw rod and the second supporting rod.

Preferably, the number of the arc-shaped clamping blocks is four, and an annular cavity for fixing the bearing outer ring is defined by the four arc-shaped clamping blocks.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the double-row angular contact bearing assembly mechanism drives the first screw rod to rotate by starting the second motor, thereby driving the two slide blocks on the first screw rod to move relatively, then starting the third motor to drive the second screw rod to rotate, thereby driving the two slide blocks on the second screw rod to move relatively, and then the four arc-shaped clamping blocks are used for clamping and fixing the bearing outer ring, compared with the positioning and clamping structure for the existing bearing assembly mechanism, the bearing outer ring with different diameters has better adaptation and clamping effects, is more convenient to use, can effectively avoid the condition that the bearing outer ring deviates in the clamping and assembling process, meanwhile, the structure utilizes the rubber pad positioned on the arc-shaped inner wall of the arc-shaped clamping block to improve the contact friction force between the arc-shaped clamping block and the bearing, the condition that the arc-shaped fixture block and the bearing are directly and rigidly damaged easily can be avoided, and the fastening performance of clamping the arc-shaped fixture block and the bearing is improved.

2. This double-row angular contact bearing assembly devices, it rises to the top of workstation to drive the pressure equipment platform through starting the cylinder, it is solid to recycle arc fixture block to carry out the card to the bearing on the pressure equipment bench, the pressure equipment of bearing is accomplished to rethread start-up pressure equipment mechanism, and after the pressure equipment is accomplished, start the cylinder and drive the pressure equipment platform and descend to the below of workstation, at this moment, start first motor and drive the pivot and rotate, thereby drive the fixing base and rotate, and then lift the bearing that the pressure equipment bench assembled off, realize the automatic discharge after the bearing assembly is accomplished, high durability and convenient use, reducible manual intervention, the automation degree is high, the efficiency of bearing assembly has been improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the lower part of the structure workbench;

fig. 3 is a sectional view of the lower part of the press-fitting mechanism of the present invention.

In the figure: 1. a support; 2. a work table; 3. a fixed mount; 4. a press-fitting mechanism; 5. a connecting frame; 6. a first motor; 7. a rotating shaft; 8. a fixed seat; 9. a cylinder; 10. a piston rod; 11. a telescopic rod; 12. a press mounting table; 13. a second motor; 131. a first lead screw; 132. a slider; 133. a third motor; 134. a second lead screw; 135. a first support bar; 136. an arc-shaped fixture block; 137. a loop bar; 138. a rubber pad; 139. a second support bar.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a double-row angular contact bearing assembly mechanism comprises a bracket 1, a worktable 2 is fixedly connected to the top of the bracket 1, a collecting box or a conveying mechanism is arranged on the ground where the bracket 1 is located and on one side below a connecting frame 5 for containing a bearing unloaded from a press-mounting table 12 and collecting the assembled bearing, a fixed frame 3 is fixedly connected to both sides of the top of the worktable 2, a press-mounting mechanism 4 is arranged in the middle of the top frame connected to the top of the fixed frame 3, the connecting frame 5 is fixedly connected to the middle of one side of the bracket 1, a first motor 6 is fixedly installed in the middle of one side of the connecting frame 5, a rotating shaft 7 is fixedly sleeved on an output shaft of the first motor 6, the rotating shafts 7 are respectively two sections, both ends of one section of the rotating shaft 7 are respectively fixedly connected to an output shaft of the first motor 6 and one side of a fixed seat 8, and one section of the rotating, the two ends of the other section of the rotating shaft 7 are movably sleeved with the connecting frame 5 and fixedly connected with the other side face of the fixed seat 8 respectively, the fixed seat 8 can be driven to rotate by starting the first motor 6, and then the assembled bearing on the press mounting table 12 is dismounted, one end of the rotating shaft 7 is fixedly connected with the fixed seat 8, the middle part of the bottom end of the fixed seat 8 is fixedly provided with the air cylinder 9, the output end of the air cylinder 9 is movably sleeved with the piston rod 10, four corners of the top of the fixed seat 8 are fixedly connected with the telescopic rods 11, the four telescopic rods 11 are used for supporting the lifting of the press mounting table 12, so that the stability of the press mounting table 12 during lifting and after lifting is improved, the top of the telescopic rods 11 is fixedly connected with the press mounting table 12, the bearing on the press mounting table 12 can be manually conveyed and also can be manually placed by a manipulator, a press-fitting table 12 is movably sleeved with a cavity formed in the middle of a workbench 2, the press-fitting table 12 is movably connected with the bottom of a press-fitting mechanism 4, a second motor 13 is fixedly installed on the side surface of a fixed frame 3, a first screw rod 131 is fixedly sleeved on an output shaft of the second motor 13, the first screw rod 131 is movably sleeved on two fixed frames 3 positioned at the rear end of the workbench 2, two ends of the first screw rod 131 are respectively sleeved with a sliding block 132 in a threaded manner, the side surface of one sliding block 132 is fixedly provided with a third motor 133, an output shaft of the third motor 133 is fixedly sleeved with a second screw rod 134, the second screw rod 134 is movably sleeved between the two sliding blocks 132 positioned on the same straight line on the first screw rod 131 and the second support rod 139, the middle part of the side surface of the other sliding block 132 is fixedly connected with a first support rod 135, two ends of the first support rod 135 and the second screw rod 134 are, the four arc-shaped clamping blocks 136 form an annular cavity for fixing the outer ring of the bearing, a loop bar 137 is movably sleeved between the two arc-shaped clamping blocks 136 on the same straight line and positioned on the first support rod 135 and the second screw rod 134, a cavity is formed in the inner cavity of each arc-shaped clamping block 136, two ends of the loop bar 137 are respectively positioned in the cavities of the two arc-shaped clamping blocks 136, one end of the loop bar 137 positioned at the arc-shaped clamping block 136 is provided with a limiting block with the diameter larger than the diameter value of the middle part of the loop bar 137, when the second motor 13 is started to drive the two sliding blocks 132 on the first screw rod to move, the loop bar 137 is contracted into the cavities in the two arc-shaped clamping blocks 136, the device utilizes the loop bar 137 to connect the four arc-shaped clamping blocks 136 on the second screw rod 134 and the first support rod 135 into a whole, so as to drive the four arc-shaped clamping blocks 136 to move simultaneously when the second, the structure utilizes the rubber pad 138 positioned on the arc-shaped inner wall of the arc-shaped fixture block 136 to improve the friction force of the contact between the arc-shaped fixture block and the bearing, thereby avoiding the situation that the direct rigidity of the arc-shaped fixture block and the bearing is easy to damage the bearing, simultaneously improving the fastening performance of the arc-shaped fixture block and the bearing in a clamping way, the number of the fixed frames 3 is four, the second support rod 139 is fixedly sleeved between the two fixed frames 3 positioned at the front end of the worktable 2, the device drives the first screw rod 131 and the second screw rod 134 to simultaneously rotate by simultaneously starting the second motor 13 and the third motor 133, respectively drives the two slide blocks 132 on the first screw rod 131 and the second screw rod 134 to relatively move, thereby utilizing the four arc-shaped fixture blocks 136 to clamp and fix the outer ring of the bearing, compared with the positioning and clamping structure for the existing bearing assembly mechanism, the structure has better adaptation and clamping effect on the outer, the condition that the bearing outer ring deviates in the clamping and fixing assembling process can be effectively avoided.

The working principle is as follows: firstly, the starting cylinder 9 drives the press-fitting table 12 at the top of the piston rod 10 to rise to the same height with the arc-shaped fixture block 136, then, the outer ring of the bearing is placed on the press-fitting table 12 by a mechanical arm or manually, the second motor 13 and the third motor 133 are started at the same time, the first lead screw 131 and the second lead screw 134 are driven to rotate at the same time, the two sliding blocks 132 on the first lead screw 131 and the second lead screw 134 are respectively driven to move relatively, thereby utilize four arc fixture blocks 136 to carry out the card to the bearing inner race and fix, finally, in the bearing inner race was placed in proper order to holder and bearing inner race through arm or manual work, rethread pressure equipment mechanism 4 carried out the pressure equipment, after the pressure equipment was accomplished, start cylinder 9 and drive pressure equipment platform 12 and descend to the below of workstation 2, start first motor 6, drive the fixing base 8 rotation on the pivot 7 to lift the bearing that the pressure equipment was good on the pressure equipment platform 12 off, can.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a double row angular contact bearing assembly devices, includes support (1), its characterized in that: the top of the support (1) is fixedly connected with a workbench (2), both sides of the top of the workbench (2) are fixedly connected with a fixing frame (3), the middle of an upper frame connected with the top of the fixing frame (3) is provided with a press-fitting mechanism (4), the middle of one side of the support (1) is fixedly connected with a connecting frame (5), the middle of one side of the connecting frame (5) is fixedly provided with a first motor (6), an output shaft of the first motor (6) is fixedly sleeved with a rotating shaft (7), one end of the rotating shaft (7) is fixedly connected with a fixing seat (8), the middle of the bottom end of the fixing seat (8) is fixedly provided with a cylinder (9), an output end of the cylinder (9) is movably sleeved with a piston rod (10), four corners of the top of the fixing seat (8) are fixedly connected with telescopic rods (11), and the top of the telescopic rods (, and a second motor (13) is fixedly arranged on the side surface of the fixed frame (3).

2. The double row angular contact bearing assembly according to claim 1, wherein: the improved motor is characterized in that a first screw rod (131) is fixedly sleeved on an output shaft of the second motor (13), two sliding blocks (132) are sleeved at two ends of the first screw rod (131) in a threaded manner, one sliding block (132) is fixedly installed on the side surface of a third motor (133), a second screw rod (134) is fixedly sleeved on an output shaft of the third motor (133), a first supporting rod (135) is fixedly connected to the middle of the side surface of the other sliding block (132), arc-shaped clamping blocks (136) are movably sleeved at two ends of the first supporting rod (135) and the second screw rod (134), a sleeve rod (137) is movably sleeved between the two arc-shaped clamping blocks (136) on the same straight line on the first supporting rod (135) and the second screw rod (134), rubber pads (138) are arranged on the arc-shaped inner walls of the arc-shaped clamping blocks (136), and the number of the fixing frames (3), a second supporting rod (139) is fixedly sleeved between the two fixing frames (3) positioned at the front end of the workbench (2).

3. The double row angular contact bearing assembly according to claim 1, wherein: the middle part of the bottom end of the press mounting table (12) is fixedly connected with the top of the piston rod (10), a cavity formed in the middle of the press mounting table (12) and the workbench (2) is movably sleeved, and the press mounting table (12) is movably connected with the bottom of the press mounting mechanism (4).

4. The double row angular contact bearing assembly according to claim 2, wherein: the first screw rod (131) is movably sleeved on the two fixing frames (3) at the rear end of the workbench (2).

5. The double row angular contact bearing assembly according to claim 2, wherein: the second screw rod (134) is movably sleeved between the two sliding blocks (132) which are positioned on the same straight line on the first screw rod (131) and the second supporting rod (139).

6. The double row angular contact bearing assembly according to claim 2, wherein: the number of the arc-shaped clamping blocks (136) is four, and an annular cavity for fixing the bearing outer ring is formed by the four arc-shaped clamping blocks (136).