CN216633960U

CN216633960U - Miniature bearing lathe material clamping device

Info

Publication number: CN216633960U
Application number: CN202122533806.5U
Authority: CN
Inventors: 丁耿晶; 丁昱龙
Original assignee: Wuxi Chengshi Bearing Co Ltd
Current assignee: Wuxi Chengshi Bearing Co Ltd
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-05-31
Anticipated expiration: 2031-10-20

Abstract

The utility model discloses a material clamping device of a miniature bearing machine tool, which comprises a first bottom plate, wherein a sliding bottom plate is connected onto the first bottom plate through a sliding part, an air cylinder is fixed on one side of the first bottom plate, a piston rod of the air cylinder is connected onto the sliding bottom plate through an adjusting part and can drive the sliding bottom plate to horizontally move along the first bottom plate, two support arms are fixedly connected to two sides of one end, far away from the air cylinder, of the sliding bottom plate, rotating arms are rotatably connected onto the two support arms, pressing wheel seats are arranged above the two rotating arms, and pressing wheels are arranged between the two pressing wheel seats; according to the utility model, the air cylinder drives the sliding bottom plate to move on the linear guide rail, so that the pressing wheel is driven to press the outer ring of the bearing, and the two joint bearings are matched with the connecting shaft, so that the bearing outer ring is stressed more stably.

Description

Miniature bearing lathe material clamping device

Technical Field

The utility model belongs to the technical field of bearing processing equipment, and relates to a material clamping device of a miniature bearing machine tool.

Background

The bearing is an important part in the modern mechanical equipment. Its main function is to support the mechanical rotator, reduce the friction coefficient in its motion process, and guarantee the precision of gyration. The bearings can be classified into rolling bearings and sliding bearings according to the frictional properties of the moving elements. The bearing needs to use a machine tool during machining, a bearing outer ring needs to be ground in one machining step, and the bearing outer ring needs to be driven by a clamping device to be fixed in the grinding process.

At present, a material clamping device of a miniature bearing machine tool is a clamping device formed by matching an oil cylinder, a rotating shaft and a pressing wheel seat, when the clamping device is used, the oil cylinder has poor motion stability, high hydraulic requirement and is not environment-friendly, and the oil cylinder is easy to leak oil; in addition, when an operator adjusts a mechanism for installing the bearing outer ring, the whole pinch roller seat needs to be dismounted, so that the center height and the position deviation occur, the bearing outer ring needs to be repositioned to be stably fixed, a large amount of time is wasted, and in order to solve the problems, the utility model provides the material clamping device for the miniature bearing machine tool.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the background technology, the utility model provides a material clamping device of a miniature bearing machine tool.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a miniature bearing lathe material clamping device, includes first bottom plate, be connected with sliding bottom plate through the slider on the first bottom plate, first bottom plate one side is fixed with the cylinder, and the piston rod of cylinder passes through the regulating part and connects on sliding bottom plate, and can drive sliding bottom plate along first bottom plate horizontal movement, sliding bottom plate keeps away from the equal fixedly connected with support arm in one end both sides of cylinder, two all rotate on the support arm and be connected with the rocking arm, two the rocking arm top all is provided with the pinch roller seat, two be provided with the pinch roller between the pinch roller seat.

Furthermore, the sliding part comprises a linear guide rail fixed at the upper end of the first bottom plate and a sliding strip fixed at the bottom end of the sliding bottom plate, the sliding strip is positioned in the linear guide rail and slides in the linear guide rail, and the sliding direction of the sliding strip is the same as the moving direction of a piston rod of the air cylinder.

Furthermore, one end of the first bottom plate, which is far away from the cylinder, is provided with a limiting block for preventing the slide bar from being separated from the linear guide rail.

Furthermore, an inverted T-shaped clamping groove is formed in the upper end of the rotating arm, and a clamping block matched with the inverted T-shaped clamping groove is arranged at the bottom end of the pinch roller base.

Furthermore, the lower ends of the two rotating arms are provided with joint bearings, and the two joint bearings are connected through a connecting shaft.

Further, the adjusting part comprises a sleeve and a threaded rod, the sleeve is fixed on a piston rod of the air cylinder, the threaded rod is rotatably connected in the sleeve, a threaded hole is formed in one end, close to the air cylinder, of the sliding bottom plate, and the threaded rod is connected in the threaded hole in a threaded mode.

Furthermore, a second bottom plate is arranged below the first bottom plate, and a waist-shaped hole penetrating through the second bottom plate is formed in the first bottom plate.

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

1. according to the utility model, the oil cylinder is replaced by the air cylinder, high-standard hydraulic pressure is not required, and the station environment is not polluted.

2. The cylinder drives the sliding bottom plate to move on the linear guide rail, so that the pressing wheel is driven to press the outer ring of the bearing, and the two joint bearings are matched with the connecting shaft, so that the bearing outer ring is stressed more stably.

3. The first bottom plate is matched with the second bottom plate, and the center height of the pressing wheel can be adjusted according to specifications of different bearing outer rings; the initial position of pinch roller then can be adjusted to the regulating part, avoids the pinch roller can not press on the bearing outer race, and the suitability is stronger, adjusts the precision higher, easy operation.

Drawings

FIG. 1 is a schematic view of the present invention (without the puck mounted);

fig. 2 is a front view of the present invention.

In the figure: 1. a first base plate; 2. a slider; 21. a linear guide rail; 22. a slide bar; 3. a sliding bottom plate; 4. a cylinder; 5. an adjustment member; 51. a sleeve; 52. a threaded rod; 6. a support arm; 7. a rotating arm; 8. a pressure wheel seat; 9. a pinch roller; 10. a limiting block; 11. an inverted T-shaped clamping groove; 12. a clamping block; 13. a knuckle bearing; 14. a second base plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

As shown in fig. 1-2, the technical solution adopted by the present invention is as follows: a material clamping device of a miniature bearing machine tool comprises a first base plate 1, wherein a sliding base plate 3 is connected to the first base plate 1 through a sliding part 2, a cylinder 4 is fixed to the right side of the first base plate 1 through a bolt, a piston rod of the cylinder 4 is connected to the right side wall of the sliding base plate 3 through an adjusting part 5 and can drive the sliding base plate 3 to horizontally move along the first base plate 1, supporting arms 6 are integrally formed on the front side and the rear side of one end, away from the cylinder 4, of the sliding base plate 3, rotating arms 7 are rotatably connected to the two supporting arms 6, specifically, mounting cavities for mounting bearings are formed in the two supporting arms 6, the bearings are fixed in the mounting cavities, the two rotating arms 7 are respectively clamped in inner rings of the bearings through rotating shafts, the two rotating arms 7 rotate around the supporting arms 6, wheel pressing seats 8 are arranged above the two rotating arms 7, and a pressing wheel 9 is arranged between the two pressing wheel seats 8, through holes are formed in the two pressing wheel seats 8, and two ends of the pressing wheel 9 penetrate through the through holes corresponding to the pressing wheel seats respectively and are fixed on the pressing wheel seats 8.

In this embodiment, slider 2 includes the linear guide 21 through the bolt fastening at 1 up end of first bottom plate, slide 22 through the bolt fastening at 3 bottom surfaces of sliding bottom plate, and is specific, linear guide 21 and slide 22 are two, two linear guide 21 parallel arrangement are on first bottom plate 1, two slide 22 parallel arrangement are on 3 bottom surfaces of sliding bottom plate, this slide 22 is the L type, the horizontal segment of slide 22 is located rather than the linear guide 21 that corresponds, and slide in linear guide 21, the gliding direction of slide 22 is the same with the 4 piston rod direction of motion of cylinder, cylinder 4 is as the power supply, drive sliding bottom plate 3 motion, and then drive the motion of pinch roller 9.

In this embodiment, the one end that cylinder 4 was kept away from to first bottom plate 1 is fixed with through the bolt and is prevented that draw runner 22 from linear guide 21's stopper 10, avoids cylinder 4 to drive sliding bottom plate 3 excessive motion, prevents that sliding bottom plate 3 from the accident appearing.

In this embodiment, the rotating arm 7 is provided with an inverted T-shaped clamping groove 11 along an upper end surface thereof, two ends of the inverted T-shaped clamping groove 11 are respectively communicated with two side walls of the rotating arm 7, a clamping block 12 adapted to the inverted T-shaped clamping groove 11 is integrally formed at a bottom end of the pressure wheel seat 8, a threaded hole penetrating through upper and lower end surfaces of the clamping block 12 is formed in an upper end surface of the clamping block 12, when the pressure wheel seat 8 is installed, the clamping block 12 of the pressure wheel seat 8 is inserted into the inverted T-shaped clamping groove 11 from one side of the rotating arm 7, after the installation is completed, the clamping block is connected in the threaded hole through a bolt thread, and the bolt abuts against an inner wall of the inverted T-shaped clamping groove 11, so that a large amount of installation time is saved.

In this embodiment, two the lower extreme of rocking arm 7 all is provided with the mounting hole, all install joint bearing 13 in two mounting holes, connect through the connecting axle between two joint bearing 13, cylinder 4 drives sliding bottom plate 3 and moves left, when pinch roller 9 and bearing inner race contact, the connecting axle butt is on stopper 10, through the cooperation of stopper 10 with the connecting axle, finally make pinch roller 9 press on the bearing inner race, two joint bearing 13 and the cooperation of connecting axle can balance the pressure of two pinch roller seats 8, guarantee that pinch roller 9 presses the pressure on the bearing inner race and keep unanimous, and then guarantee that the bearing inner race can smooth grinding.

In this embodiment, regulating part 5 includes sleeve pipe 51, threaded rod 52, and is concrete, sleeve pipe 51 cover is established on cylinder 4 piston rod to fasten through positioning bolt, sleeve pipe 51 is kept away from and is equipped with the spacing ring in the one end of cylinder 4, threaded rod 52 does not have screwed one end integrated into one piece has T type piece, and this T type piece rotates to be connected in sleeve pipe 51 to it is spacing to carry out the axial through the spacing ring, sliding bottom plate 3 is close to the one end of cylinder 4 and has seted up the screw hole, threaded rod 52 threaded connection is in the screw hole, and regulating part 5 can adjust sliding bottom plate 3's initial position, and then cooperates with the bearing inner race of different specifications, and cylinder 4 is as the power supply, and cylinder 4's stroke is fixed, only is responsible for driving sliding bottom plate 3 and removes, and regulating part 5 can carry out accurate location according to actual demand.

In this embodiment, be provided with second bottom plate 14 below first bottom plate 1, set up the waist type hole that runs through second bottom plate 14 on first bottom plate 1, fix first bottom plate 1 and second bottom plate 14 on the workstation through waist type hole, first bottom plate 1 and the cooperation of second bottom plate 14 can be adjusted according to the central height of bearing inner race in a flexible way, during the use, increase the backing plate between first bottom plate 1 and second bottom plate 14 can.

When the bearing outer ring grinding device is used, firstly, the center height of the pressing wheel 9 is adjusted according to the specification of the bearing outer ring, a proper amount of base plates are added between the first base plate 1 and the second base plate 14, then the initial position of the pressing wheel 9 is adjusted through the adjusting piece 5, the pressing wheel 9 is prevented from being pressed out of position, when the bearing outer ring reaches the grinding position, the sliding base plate 3 is driven by the air cylinder 4 to move leftwards, the pressing wheel 9 is pressed on the bearing outer ring finally through the matching of the connecting shaft and the limiting block 11, and the two joint bearings 13 are matched with the connecting shaft and the limiting block 11, so that the bearing outer ring is stressed uniformly.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a miniature bearing lathe material clamping device which characterized in that: the device comprises a first base plate (1), a sliding base plate (3) is connected to the first base plate (1) through a sliding part (2), a cylinder (4) is fixed to one side of the first base plate (1), a piston rod of the cylinder (4) is connected to the sliding base plate (3) through a regulating part (5), the sliding base plate (3) can be driven to move horizontally along the first base plate (1), supporting arms (6) are fixedly connected to two sides of one end, far away from the cylinder (4), of the sliding base plate (3), rotating arms (7) are rotatably connected to the supporting arms (6), pressure wheel seats (8) are arranged above the rotating arms (7), and pressure wheels (9) are arranged between the pressure wheel seats (8).

2. The material clamping device for the miniature bearing machine tool according to claim 1, wherein: slider (2) are including fixing linear guide (21) in first bottom plate (1) upper end, fixing in draw runner (22) of sliding bottom plate (3) bottom, draw runner (22) are located linear guide (21) to slide in linear guide (21), the gliding direction of draw runner (22) is the same with the piston rod direction of motion of cylinder (4).

3. The material clamping device for the miniature bearing machine tool according to claim 2, wherein: one end of the first bottom plate (1), which is far away from the cylinder (4), is provided with a limiting block (10) which prevents the sliding strip (22) from being separated from the linear guide rail (21).

4. The material clamping device for the miniature bearing machine tool according to claim 1, wherein: an inverted T-shaped clamping groove (11) is formed in the upper end of the rotating arm (7), and a clamping block (12) matched with the inverted T-shaped clamping groove (11) is arranged at the bottom end of the pressure wheel seat (8).

5. The material clamping device for the miniature bearing machine tool according to claim 1, wherein: the lower ends of the two rotating arms (7) are provided with joint bearings (13), and the two joint bearings (13) are connected through a connecting shaft.

6. The material clamping device for the miniature bearing machine tool according to claim 1, wherein: adjusting part (5) include sleeve pipe (51), threaded rod (52), sleeve pipe (51) are fixed on cylinder (4) piston rod, threaded rod (52) rotate to be connected in sleeve pipe (51), sliding bottom plate (3) are close to cylinder (4) one end and are provided with the screw hole, threaded rod (52) threaded connection is in the screw hole.

7. The material clamping device for the miniature bearing machine tool according to claim 1, wherein: a second bottom plate (14) is arranged below the first bottom plate (1), and a waist-shaped hole penetrating through the second bottom plate (14) is formed in the first bottom plate (1).