CN211550314U - Bearing ball automatic assembly device - Google Patents

Abstract

The utility model discloses an automatic assembly device for bearing balls, which comprises a bracket, a ball feeding mechanism and a ball pressing mechanism arranged on the bracket; the bracket comprises a base plate, two sliding rods, a movable support plate and a bottom plate; the ball feeding mechanism It includes a sleeve, a rotating motor, a rotating shaft, a ball rotating block, and a ball guide tube; the ball pressing mechanism includes an extrusion block, a dislocation rotating block, a lifting cylinder, an extrusion rod, a rotating connecting rod, a dislocation rotating cylinder, and a ball guide. , Workpiece fixture. The automatic assembly device is provided with a ball feeding mechanism and a ball pressing mechanism, which changes the existing manual operation method, realizes the mechanized automatic bearing ball assembly, greatly improves the production efficiency, and at the same time ensures the uniform product quality and the performance of the bearing. The device has a compact mechanical structure and a scientific and reasonable design, which is especially suitable for modern biochemistry.

Description

Bearing ball automatic assembly device

technical field

The utility model relates to the technical field of bearing assembly, in particular to an automatic assembly device for bearing balls.

Background technique

Ball bearing is a kind of rolling bearing. The spherical alloy steel ball is installed between the inner steel ring and the outer steel ring to reduce the friction during the power transmission process and improve the transmission efficiency of mechanical power by rolling. Ball bearings mainly contain four basic elements: balls, inner ring, outer ring and cage. Among them, the cage (that is, the bearing cage, also known as the bearing retainer) refers to the bearing parts that partially wrap all or part of the rolling bodies and move with them, to isolate the rolling bodies, and usually guide the rolling bodies and keep them in place. inside the bearing.

At present, the assembly between the cage and the balls is all manual assembly, and the production efficiency is extremely low. Usually, the installation method of the ball is to place the cage with the ball buckle on the tooling, and then manually place the balls one by one on the round mouth of the ball buckle, and then use the tooling pressure plate to press the ball to the ball buckle. inside, the ball is locked by the shrinking force of the ball buckle. In this installation method, the positioning of the balls on the ball buckle needs to be done manually by the workers, and the production efficiency is low. At the same time, due to the high work intensity, the workers are more easily fatigued, resulting in the inability to guarantee uniform product quality, which affects the performance of the bearing. Not suitable for modern production.

Utility model content

In view of the deficiencies in the prior art, the utility model provides an automatic assembly device for bearing balls. The automatic assembly device is provided with a ball feeding mechanism and a ball pressing mechanism, which changes the existing manual operation mode and realizes mechanized automatic bearing ball assembly. , greatly improve the production efficiency, at the same time ensure the uniformity of product quality and ensure the performance of the bearing, and the assembly device has a compact mechanical structure, a scientific and reasonable design, and is especially suitable for modern biochemistry.

In order to achieve the above purpose, the technical scheme adopted by the present utility model:

The bearing ball automatic assembly device includes a bracket and a ball feeding mechanism and a ball pressing mechanism arranged on the bracket; the bracket includes a square-shaped base plate, and two sliding rods are symmetrically arranged on both sides of the bottom end of the base plate, and the two sliding After the rods pass through a square movable support plate, the bottom ends are fixed on a square bottom plate. The movable support plate is provided with a piston rod connecting rod, and the piston rod connecting rod is connected to the bottom end of the base plate. The movable support plate pushes the piston rod of the cylinder to connect, and the bottom end of the bottom plate is evenly provided with a number of foot pads; the ball feeding mechanism includes a cylindrical sleeve arranged on the base plate, and the top of the sleeve is provided with a cylindrical sleeve. The upper end cover that is matched and connected, the bottom end of the sleeve is provided with a lower end cover that is connected to it and located on the base plate, a through hole is formed on the base plate and located below the lower end cover, and a ball is formed on the upper end cover The upper end cover is also provided with a rotating motor, the output shaft of the rotating motor extends through the upper end cover and then extends into the sleeve, the bottom end of the output shaft is connected with a rotating shaft, and the bottom end of the rotating shaft A ball rotating block is provided, and a ball inlet groove is opened on the lower end cover and below the ball rotating block. The ball inlet groove is evenly provided with a number of ball guide tubes along its circumferential direction, and the ball guide tube penetrates the lower end cover. Afterwards, they continue to extend vertically downward and then penetrate through the movable support plate; the ball pressing mechanism includes a cylindrical extrusion block and a dislocation rotating block, which are sleeved up and down on all the ball conduits in sequence, and the side of the extrusion block is in the shape of a cylinder. A cylinder right-angle seat is fixed on the wall, the cylinder right-angle seat is connected with a lifting cylinder, the dislocation rotating block is located on the movable support plate, and a dislocation rotating block fixed on the movable support plate is sleeved above the dislocation rotating block A fixed frame, the squeeze block is provided with a number of squeeze rods spaced from the ball guide tube along its annular direction, and the squeeze rods successively pass through the dislocation rotating block fixed frame, the dislocation rotating block, and the movable support plate. A T-shaped rotating connecting rod is arranged on the side wall of the rotating block, two sides of the rotating connecting rod and on the movable support plate are provided with dislocation rotating limit blocks, and the ends of the rotating connecting rod are inserted On a rotary push right-angle seat, the rotary push right-angle seat is connected with a dislocation rotary cylinder at the bottom end of the movable support plate, and a hollow sleeve is arranged below the movable support plate to cover all the ball guide tubes and extrusion rods. , the hollow sleeve is provided with a ball guide piece that is matched and connected to the inside thereof, the lower part of the ball guide piece is connected with the bearing processing part, and the ball guide piece is provided with a one-to-one correspondence with the ball guide. The ball receiving hole, the bearing processing piece is sleeved on a workpiece fixture, the workpiece fixture is set on the moving guide rail fixed on the bottom plate, the side wall of the workpiece fixture is provided with a workpiece slider group, the slide The block group is connected with the workpiece pushing cylinder located on the bottom plate, and a workpiece limiting block is arranged on the bottom plate and at the end of the workpiece moving guide rail.

As a preferred technical solution, in order to facilitate the assembly of the bearing workpiece, greatly shorten the assembly time, and effectively improve the assembly efficiency of the bearing balls, the end of the moving guide rail is provided with a spare workpiece fixture, and the spare workpiece fixture is provided with a spare ball guide. piece.

Compared with the prior art, the utility model has the beneficial effects:

1. The automatic assembly device is equipped with a ball feeding mechanism and a ball pressing mechanism, which changes the existing manual operation method, realizes mechanized automatic bearing ball assembly, greatly improves production efficiency, and at the same time ensures uniform product quality, ensures the performance of bearings, and The assembly device has compact mechanical structure, scientific and reasonable design, and is especially suitable for modern biochemistry.

2. Set up spare workpiece fixtures and spare ball guides to facilitate the assembly of bearing workpieces, greatly shorten the assembly time, and effectively improve the assembly efficiency of bearing balls.

Description of drawings

The present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the axial side schematic diagram of the utility model;

Fig. 3 is the structural representation of the bead feeding mechanism;

Reference number: 1, base plate, 2, sliding rod, 3, movable support plate, 4, bottom plate, 5, piston rod connecting rod, 6, movable support plate push cylinder, 7, foot pad, 8, sleeve, 9, Upper end cap, 10, Lower end cap, 11, Ball inlet, 12, Rotary motor, 13, Output shaft, 14, Rotary shaft, 15, Ball rotation block, 16, Ball slot, 17, Ball guide, 18, Squeeze block , 19, dislocation rotating block, 20, cylinder right-angle seat, 21, lifting cylinder, 22, dislocation rotating block holder, 23, extrusion rod, 24, rotating connecting rod, 25, dislocation rotating limit block, 26, rotating push Right-angle seat, 27, Displacement rotary cylinder, 28, Ball guide, 29, Bearing processing piece, 30, Ball bearing hole, 31, Workpiece fixture, 32, Moving guide rail, 33, Workpiece slide block, 34, Workpiece limit Block, 35, spare workpiece fixture, 36, spare ball guide, 37, hollow sleeve, 38, workpiece push cylinder.

Detailed ways

As shown in FIG. 1, a specific embodiment of the present invention is proposed. The bearing ball automatic assembly device includes a bracket and a ball feeding mechanism and a ball pressing mechanism arranged on the bracket; the bracket includes a square-shaped base plate 1, and the Two sliding rods 2 are symmetrically arranged on both sides of the bottom end of the base plate 1. In this embodiment, two sliding rods 2 are symmetrically arranged on the left and right sides of the base plate 1, and the two sliding rods 2 both penetrate a square movable support plate 3. The rear and bottom ends are fixed on a square bottom plate 4, a piston rod connecting rod 5 is arranged on the movable support plate 3, and the piston rod connecting rod 5 and the movable support plate at the bottom end of the base plate 1 push the cylinder 6 When the movable support plate pushes the cylinder 6 to extend or retract the piston rod, the movable support plate 3 moves up and down along the two sliding rods 2 under the action of the piston rod connecting rod 5, and the bottom of the bottom plate 4 moves up and down. The ends are evenly provided with a number of foot pads 7, and four foot pads 7 are provided in this embodiment; the ball feeding mechanism includes a cylindrical sleeve 8 arranged on the base plate 1, and the top of the sleeve 8 is provided with a matching sleeve 8. Connected upper end cap 9, the bottom end of the sleeve 8 is provided with a lower end cap 10 which is connected with it and is located on the base plate 1. A through hole is defined on the base plate 1 and below the lower end cap 10. A ball inlet 11 is provided on the cover 9, and a rotary motor 12 is also provided on the upper end cover 9. The output shaft 13 of the rotary motor 12 penetrates the upper end cover 9 and extends into the sleeve 8, and the bottom of the output shaft 13 extends into the sleeve 8. The end is connected with a rotating shaft 14, the bottom end of the rotating shaft 14 is provided with a ball rotating block 15, and a ball inlet groove 16 is defined on the lower end cover 10 and below the ball rotating block 15, and the ball enters the groove 16 is uniformly provided with a number of ball guide tubes 17 along its circumferential direction. As shown in FIG. 2 , after the ball guide tubes 17 penetrate the lower end cover 10, they continue to extend vertically downward through the movable support plate 3; the ball pressing mechanism includes: A cylinder right-angle seat 20 is fixed on the side wall of the extrusion block 18, and the cylinder right-angle seat 20 is connected with the cylinder right-angle seat 20. When a lift cylinder 21 is connected, the lift cylinder 21 can drive the extrusion block 18 to move up and down along the ball guide 17 through the cylinder right-angle seat 20. In this embodiment, an empty groove is excavated on the movable support plate 3, and the lift cylinder 21 can be used in the empty space. The groove moves up and down, the dislocation rotating block 19 is located on the movable support plate 3, and the dislocation rotating block fixing frame 22 fixed on the movable supporting plate 3 is sleeved above the dislocation rotating block 19, then the dislocation rotating block 19 can be rotated in the dislocation rotating block fixing frame 22. The pressing block 18 is provided with a number of pressing rods 23 spaced from the ball guide 17 along its annular direction. The number is the same, and the arrangement of the extrusion rod 23 and the ball guide 17 corresponds to the placement of the balls on the bearing one-to-one. , the extrusion rod 23 can move up and down along the ball guide 17 along with the extrusion block 18 , and the side wall of the dislocation rotating block 19 is provided with A T-shaped rotating connecting rod 24, two dislocation rotation limiting blocks 25 are provided on both sides of the rotating connecting rod 24 and located on the movable support plate 3, and the ends of the rotating connecting rod 24 are embedded in the movable support plate 3. Once the right-angle seat 26 is rotated and pushed, the right-angle seat 26 is connected with the dislocation rotary cylinder 27 at the bottom end of the movable support plate 3, and the dislocation rotary cylinder 27 can rotate the right-angle seat 26 and the connecting rod 24 to make the dislocation rotary block 19 rotates between the two dislocation rotation limit blocks 25, and the rotation angle is just so that the dislocation between the ball guide 17 and the extrusion rod 23 occurs. The rod 23 is covered with a hollow sleeve 37. The hollow sleeve 37 is provided with a ball guide member 36 that is connected to the inside of the hollow sleeve 37. The lower part of the ball guide member 36 is connected to the bearing workpiece 29, and the ball The guide member 28 is provided with a ball receiving hole 30 corresponding to the ball guide 17 one-to-one, so that the ball can fall into the ball receiving hole after passing through the ball guide member 28 from the ball guide 17. The bearing processing member 29 sets Set on a workpiece fixture 31, the workpiece fixture 31 is set on the moving guide rail 32 fixed on the bottom plate 4, the side wall of the workpiece fixture 31 is provided with a workpiece slider group 33, the workpiece slider group 33 It is connected with the workpiece pushing cylinder 38 located on the bottom plate 4. A workpiece limiting block 34 is provided on the bottom plate 4 and at the end of the moving guide rail 32. As shown in FIG. 3, the workpiece pushing cylinder 38 passes through the workpiece slider group. 33 realizes that the workpiece fixture moves back and forth along the moving guide rail 32 , and one side can only move to the workpiece limit block 34 .

The end of the moving guide rail 32 is provided with a spare workpiece fixture 35, and the spare workpiece fixture 35 is provided with a spare ball guide 36, which is convenient for the assembly of the bearing workpiece, greatly shortens the assembly time, and effectively improves the assembly efficiency of the bearing balls.

When the utility model is used: the bearing workpiece 29 and the bearing workpiece to be processed are clamped on the workpiece fixture 31 and the spare workpiece fixture 35 respectively, and then the ball guide 28 and the spare ball guide 36 are respectively covered, and the steel ball The ball inlet 11 of the upper end cover 9 is added into the sleeve 8, and the workpiece push cylinder 38 moves the workpiece clamp 31 on the moving guide rail 32 to the workpiece limit block 34 through the workpiece slider group 33. At this time, the movable support plate pushes the cylinder 6 The movable support plate 3 is moved down along the sliding rod through the piston rod connecting rod 5 until the hollow sleeve 37 is sleeved on the ball guide 28, and the rotating motor 12 drives the rotating shaft 14 to rotate, which drives the ball rotating block 15 to rotate synchronously. At the same time, the ball is pushed from the ball inlet groove 16 to fall into the ball guide 17, the steel ball then falls along the ball guide 28 to the surface of the bearing workpiece 29, and the misaligned rotating cylinder 27 pushes the misaligned rotating block 19 through the rotating connecting rod 24. Rotation between the limit blocks 25, so that the ball guide 17 and the extrusion rod 23 are misaligned, so that the extrusion rod 23 corresponds to the balls of the bearing workpiece 29 one by one. The pressing block 18 moves down along the ball guide tube 17, so that the extrusion rod 23 is moved downward and sleeved into the hollow sleeve until the ball is pressed into the bearing workpiece 29, then the ball assembly work of a bearing is completed, and the workpiece pushes The cylinder 38, the dislocation rotating cylinder 27, and the lifting cylinder 21 perform the above-mentioned opposite actions to return the relevant components, take out the bearing equipped with the balls, and assemble the workpiece to be processed on the spare workpiece fixture 35 on the workpiece fixture 31, and thus cycle processing. .

Of course, the preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, and are not intended to limit the scope of implementation of the present invention. Any equivalent changes made in accordance with the principles, structures and structures of the present invention should be Covered within the scope of protection of the present invention.

Claims (2)

1. The bearing ball automatic assembly device is characterized in that: it comprises a bracket and a ball feeding mechanism and a ball pressing mechanism arranged on the bracket; the bracket comprises a base plate (1), and the bottom ends of the base plate (1) are symmetrically provided on both sides. Two sliding rods (2), two sliding rods (2), after both passing through a movable support plate (3), the bottom ends are fixed on a bottom plate (4), and a piston is provided on the movable support plate (3) Rod connecting rod (5), the piston rod connecting rod (5) is connected with the piston rod of the movable support plate at the bottom end of the base plate (1) to push the cylinder (6), and the bottom end of the base plate (4) is evenly provided with several foot pads (7); the ball feeding mechanism comprises a cylindrical sleeve (8) arranged on the base plate (1), and the top end of the sleeve (8) is provided with an upper end cover (9) which is matched and connected with it. , the bottom end of the sleeve (8) is provided with a lower end cover (10) which is connected with it and is located on the base plate (1), the base plate (1) and below the lower end cover (10) is provided with a pass through The upper end cover (9) is provided with a ball inlet (11), the upper end cover (9) is also provided with a rotary motor (12), and the output shaft (13) of the rotary motor (12) penetrates the upper end The cover (9) is then extended into the sleeve (8), the bottom end of the output shaft (13) is connected with a rotating shaft (14), and the bottom end of the rotating shaft (14) is provided with a ball rotating block (15). ), a ball inlet groove (16) is provided on the lower end cover (10) and below the ball rotating block (15), and the ball inlet groove (16) is uniformly provided with a number of ball conduits along its circumferential direction (17), the ball guide tube (17) continues to extend vertically downward through the movable support plate (3) after penetrating the lower end cover (10); A cylinder right-angle seat (20) is fixed on the side wall of the squeeze block (18), and the cylinder right-angle seat (20) Connected with a lifting cylinder (21), the dislocation rotating block (19) is located on the movable support plate (3), and the dislocation rotating block (19) is sleeved with a dislocation fixed on the movable support plate (3). A rotating block fixing frame (22), the extrusion block (18) is provided with a plurality of extrusion rods (23) spaced from the ball guide tube (17) along its annular direction, and the extrusion rods (23) pass through successively The dislocation rotating block fixing frame (22), the dislocation rotating block (19), and the movable support plate (3), the side wall of the dislocation rotating block (19) is provided with a rotating connecting rod (24), and the rotating connecting rod ( 24) on both sides of the movable support plate (3) are provided with two dislocation rotation limit blocks (25), and the ends of the rotating connecting rods (24) are clamped in a rotating push right-angle seat (26) On the upper side, the rotating push right-angle seat (26) is connected with the dislocation rotary cylinder (27) at the bottom end of the movable support plate (3), and the lower part of the movable support plate (3) is provided with all the ball guides (17), extrusion The hollow sleeve (37) in which the pressing rod (23) is wrapped, the hollow sleeve (37) The core sleeve (37) is provided with a ball guide member (28) which is matched and connected to the inside thereof, the lower part of the ball guide member (28) is connected with the bearing processing member (29), and the ball guide member (28) ) is provided with a ball receiving hole (30) corresponding to the ball guide tube (17) one-to-one, and the bearing workpiece (29) is sleeved on a workpiece fixture (31), and the workpiece fixture (31) is provided on the It is fixed on the moving guide rail (32) on the bottom plate (4), and a workpiece slider group (33) is arranged on the side wall of the workpiece fixture (31). The workpiece on the ) pushes the cylinder (38) to connect, and a workpiece limit block (34) is provided on the bottom plate (4) and at the end of the moving guide rail (32). 2. The bearing ball automatic assembly device according to claim 1, characterized in that: a spare workpiece fixture (35) is provided on the end of the moving guide rail (32), and a spare workpiece fixture (35) is provided with a spare workpiece fixture (35). Spare Ball Deflector (36).

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