CN217667875U - Rotating table for machining bearing piece - Google Patents

Abstract

The utility model relates to the technical field of bearing piece processing, in particular to a rotating table for bearing piece processing, which shortens the time consumed by concentrically clamping a bearing ring and improves the working efficiency; comprises a workbench and a rotary table; still include side pipe, a plurality of supports, a plurality of folding tubes, a plurality of ejector pins, a plurality of ejector pads, the runner, rotary mechanism, telescopic machanism and processing agency, the revolving stage rotates to be installed on the workstation, rotary mechanism is connected with the revolving stage transmission, square pipe installs with one heart on the revolving stage, the lower part of four side outer walls of side pipe all is provided with the support, the inner of a plurality of folding tubes is connected with a plurality of leg joint rotations respectively, the inner of a plurality of ejector pins is slidable mounting respectively in a plurality of folding tubes, the outer end of a plurality of ejector pins all is provided with the ejector pad, telescopic machanism installs in square pipe and a plurality of ejector pins, telescopic machanism is connected with a plurality of ejector pin transmission, telescopic machanism's input is provided with the runner, the runner is located the top of square pipe, processing agency installs on the workstation, processing agency is located the outside of revolving stage.

Description

Rotating table for machining bearing piece

Technical Field

The utility model relates to a technical field of bearing spare processing especially relates to a revolving stage for bearing spare processing.

Background

The large-scale bearing is in process of production, need carry out the chamfer to the bearing circle, punch, processing such as polishing, because the bearing circle is the annular mostly, so carry out the above-mentioned processing and use the revolving stage more, place the bearing circle on the revolving stage, the adjustment work piece, make the centre of a circle of work piece and revolving stage centre of a circle concentric, start the revolving stage, make the work piece rotatory, operate the chamfer again, polishing machine carries out chamfer and polishing processing, or make the revolving stage drive work piece intermittent type and rotate, use perforating machines such as rig floor to evenly punch the work piece, the fixture of general revolving stage to the bearing circle is the multi-jaw chuck more, the precision of multi-jaw chuck is high, the clamping stability is good, but the speed that the jack catch of multi-jaw chuck removed is slower, when processing large-scale bearing, in order to avoid colliding with the jack catch shrink earlier, after hoisting large-scale bearing circle to the revolving stage, the jack catch on the operating chuck extends and grasps the bearing circle, this can spend more time and be used for making a round trip to adjust the position of jack catch on the chuck, lead to work efficiency to reduce.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a shorten the time that concentric clamping race ring consumeed, improve work efficiency's a revolving stage that is used for bearing spare processing.

The utility model relates to a rotating platform for processing bearing parts, which comprises a workbench and a rotating platform; the square tube type pipe cutting machine further comprises a square tube, a plurality of supports, a plurality of folding tubes, a plurality of push blocks, a rotating wheel, a rotating mechanism, a telescopic mechanism and a processing mechanism, wherein the rotating platform is rotatably installed on the workbench, the rotating mechanism is in transmission connection with the rotating platform, the square tube is concentrically installed on the upper end surface of the rotating platform, the supports are arranged on the lower parts of the outer walls of four sides of the square tube, the inner ends of the folding tubes are respectively in rotation connection with the supports, the inner ends of the push tubes are respectively slidably installed in the folding tubes, the push blocks are arranged at the outer ends of the push tubes, the telescopic mechanism is installed in the square tube and the push tubes and is in transmission connection with the push tubes, the rotating wheel is arranged at the input end of the telescopic mechanism and is located above the square tube, the processing mechanism is installed on the workbench, and the processing mechanism is located on the outer side of the rotating platform; before hoisting a bearing ring to a rotary table, a plurality of folding pipes and a plurality of push pipes are upwards overturned around a plurality of supports to be erected and lean against four side walls of a square pipe, the folding pipes and the push pipes are folded, collision of the bearing ring is avoided, the bearing ring is hoisted to the rotary table and the position of the bearing ring is preliminarily adjusted, the folding pipes and the push pipes are put down and unfolded, a rotating wheel is rotated, the rotating wheel drives a telescopic mechanism to operate, the telescopic mechanism drives the push pipes to move outwards along the folding pipes respectively, a plurality of push blocks at the outer ends of the push pipes are contacted and pressed with the inner wall of the bearing ring, quick concentricity of the bearing ring is realized, corresponding processing machines are installed on the processing mechanism, the position between the processing machine and the bearing ring is adjusted through the processing mechanism, a rotating mechanism is started, the rotary table is driven to rotate, the bearing ring is driven to rotate, corresponding processing is carried out on the bearing ring by the processing machine on the processing mechanism, the rotating wheel shrinks the push pipes after processing is finished, the folding pipes are erected, the bearing ring is taken down, the time consumed for concentrically hoisting work efficiency is improved.

Preferably, the telescopic mechanism comprises a driving shaft, a plurality of driven shafts, a plurality of screws, a plurality of cross shafts and a plurality of thread sleeves, the upper end and the lower end of the driving shaft are respectively rotatably connected with the upper end and the lower end of the square tube through bearings, a rotating wheel is concentrically installed at the top end of the driving shaft, bevel gears are arranged at the lower part of the driving shaft, the middle parts of the driven shafts are respectively rotatably connected with the lower parts of the four side walls of the square tube through bearings, the bevel gears are respectively installed at the inner ends of the driven shafts in a center-to-center manner, the bevel gears of the driven shafts are respectively engaged with the bevel gears of the driving shaft, the outer ends of the driven shafts and the inner ends of the screws are respectively rotatably connected through universal joints, the cross shafts are respectively arranged in the universal joints, the thread sleeves are respectively rotatably screwed on the screws, and the thread sleeves are respectively installed at the middle parts of the inner ends of the push tubes; rotate the runner, the runner drives the drive shaft and rotates, the drive shaft passes through a plurality of driven shafts of bevel gear group drive and rotates in step, a plurality of driven shafts pass through universal joint and a plurality of cross, a plurality of screw rods rotate and promote a plurality of push pipes through a plurality of thread sleeves and stretch out along a plurality of folding tubes and hold the race ring, perhaps a plurality of push pipes break away from along a plurality of folding tube contractions and race ring, through setting up a plurality of universal joints and a plurality of cross, make a plurality of screw rods can follow a plurality of push pipes and a plurality of folding tubes stick up folding square pipe together, improve equipment's practicality.

Preferably, the device also comprises two vertical rods, and the two vertical rods are symmetrically arranged on the upper end surface of the rotating wheel; make things convenient for the staff to hold the operation through the installation montant, when the rotation torsion that needs are bigger, do not be between two montants with the steel pipe, pull two montants through the steel pipe and drive the runner and drive the shaft rotation, and then make a plurality of ejector pins promote large-scale race ring and remove and carry out position adjustment, improve equipment's practicality.

Preferably, the folding type square pipe comprises a plurality of hook rods and a plurality of elastic hooks, wherein the hook rods are arranged on the outer side walls of the plurality of folding pipes, the elastic hooks are arranged on the four side walls of the square pipe, and the elastic hooks face the hook rods respectively; when a plurality of folding pipes are erected and folded on the side wall of the square pipe, a plurality of elastic hooks hook a plurality of hook rods respectively, so that the accident that the folding pipes and the push pipes are accidentally laid flat in the process of hoisting the bearing ring is avoided, and the reliability of the equipment is improved.

Preferably, the rotating mechanism comprises a bearing turntable, a driving motor, two driving belt wheels and a synchronous belt, the turntable is rotatably mounted on the upper end surface of the workbench through the bearing turntable, the lower end surface of the turntable is concentrically provided with the synchronous belt wheel, the driving motor is mounted on the workbench, the output shaft of the driving motor is concentrically provided with the driving belt wheels, and two ends of the synchronous belt are respectively sleeved on the driving belt wheel and the synchronous belt wheel of the turntable; select the synchronous pulley of suitable specification, driving pulley and hold-in range according to actual conditions, or install the multiunit hold-in range and carry out the transmission, driving motor drives driving pulley and rotates, and driving pulley passes through the hold-in range and drives synchronous pulley and revolving stage rotation, and the race ring that makes is rotatory, through programming driving motor, can realize driving motor intermittent type nature operation for the rotation of angles such as revolving stage intermittent type nature, conveniently evenly punch processing such as, improve equipment's functionality.

Preferably, the processing mechanism comprises an upright column, a sliding block, a lifting screw and a horizontal arm, the upright column is mounted on the upper end face of the workbench, the upright column is provided with a vertical sliding groove, the sliding block is slidably mounted in the sliding groove of the upright column, the middle part of the lifting screw is rotatably screwed with the top wall of the upright column, the top end of the lifting screw is provided with a hand wheel, the lower end of the lifting screw is rotatably connected with the sliding block, the horizontal arm is horizontally slidably mounted on the sliding block, and the inner end of the horizontal arm is provided with a mounting plate; install corresponding processing machine on the mounting panel of horizontal arm according to the processing project, thereby remove the horizontal arm along the slider and adjust the horizontal distance of processing machine and race, rotate the lifting screw, the lifting screw drives the slider and reciprocates along the spout of stand to the vertical distance of adjustment processing machine and race, easy operation, stability when the improve equipment adds man-hour.

Preferably, the lifting device also comprises a locking nut and a locking bolt, wherein the locking nut is rotatably screwed on the upper part of the lifting screw rod and is in contact with the upright column, the locking bolt is rotatably screwed on the sliding block, and the inner end of the locking bolt is in contact with the horizontal arm; after the position adjustment of the processing machine is completed, the locking nut is screwed on the stand column, so that the lifting screw rod is locked by the locking nut, the locking bolt is rotated, the horizontal arm is positioned and compressed by the locking bolt, the displacement of the processing machine during processing is avoided, and the stability of equipment is improved.

Compared with the prior art, the beneficial effects of the utility model are that: before hoisting a bearing ring to a rotary table, a plurality of folding pipes and a plurality of push pipes are upwards overturned around a plurality of supports to be erected and lean against four side walls of a square pipe, the folding pipes and the push pipes are folded, collision of the bearing ring is avoided, the bearing ring is hoisted to the rotary table and the position of the bearing ring is preliminarily adjusted, the folding pipes and the push pipes are put down and unfolded, a rotating wheel is rotated, the rotating wheel drives a telescopic mechanism to operate, the telescopic mechanism drives the push pipes to move outwards along the folding pipes respectively, a plurality of push blocks at the outer ends of the push pipes are contacted and pressed with the inner wall of the bearing ring, quick concentricity of the bearing ring is realized, corresponding processing machines are installed on the processing mechanism, the position between the processing machine and the bearing ring is adjusted through the processing mechanism, a rotating mechanism is started, the rotary table is driven to rotate, the bearing ring is driven to rotate, corresponding processing is carried out on the bearing ring by the processing machine on the processing mechanism, the rotating wheel shrinks the push pipes after processing is finished, the folding pipes are erected, the bearing ring is taken down, the time consumed for concentrically hoisting work efficiency is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic structural view of the folded state of the folding tube and the pushing tube of the present invention;

FIG. 4 is an exploded and enlarged view of the telescopic mechanism;

in the drawings, the reference numbers: 1. a work table; 2. a turntable; 3. a square tube; 4. a support; 5. folding the tube; 6. pushing the pipe; 7. a push block; 8. a rotating wheel; 9. a drive shaft; 10. a driven shaft; 11. a screw; 12. a cross shaft; 13. a threaded sleeve; 14. a vertical rod; 15. a hook rod; 16. an elastic hook; 17. a bearing turntable; 18. a drive motor; 19. a drive pulley; 20. a synchronous belt; 21. a column; 22. a slider; 23. a lifting screw; 24. a horizontal arm; 25. locking the nut; 26. and locking the bolt.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Example 1

A rotary table for processing bearing pieces comprises a working table 1 and a rotary table 2; the square tube machining device comprises a square tube 3, a plurality of supports 4, a plurality of folding tubes 5, a plurality of push tubes 6, a plurality of push blocks 7, a rotating wheel 8, a rotating mechanism, a telescopic mechanism and a machining mechanism, wherein the rotating platform 2 is rotatably installed on a workbench 1, the rotating mechanism is in transmission connection with the rotating platform 2, the square tube 3 is concentrically installed on the upper end face of the rotating platform 2, the supports 4 are arranged on the lower portions of the outer walls of four sides of the square tube 3, the inner ends of the folding tubes 5 are respectively in rotation connection with the supports 4, the inner ends of the push tubes 6 are respectively in sliding installation in the folding tubes 5, the push blocks 7 are arranged at the outer ends of the push tubes 6, the telescopic mechanism is installed in the square tube 3 and the push tubes 6 and is in transmission connection with the push tubes 6, the rotating wheel 8 is arranged at the input end of the telescopic mechanism and is positioned above the square tube 3, the machining mechanism is installed on the workbench 1, and the machining mechanism is positioned outside the rotary platform 2; before hoisting a bearing ring onto a rotary table 2, a plurality of folding pipes 5 and a plurality of push pipes 6 are upwards overturned around a plurality of supports 4 to be erected and lean against four side walls of a square pipe 3, the folding pipes 5 and the push pipes 6 are folded, collision of the bearing ring is avoided, the bearing ring is hoisted onto the rotary table 2 and the position of the bearing ring is preliminarily adjusted, the folding pipes 5 and the push pipes 6 are put down and unfolded, a rotating wheel 8 is rotated, the rotating wheel 8 drives a telescopic mechanism to operate, the telescopic mechanism drives the push pipes 6 to move outwards along the folding pipes 5 respectively, a plurality of push blocks 7 at the outer ends of the push pipes 6 are in contact with and pressed against the inner wall of the bearing ring, quick concentricity of the bearing ring is realized, corresponding processing machines are installed on the processing mechanism, the position between the processing machines and the bearing ring is adjusted through the processing mechanism, a rotating mechanism is started, the rotary table 2 is driven to rotate, the bearing ring is driven to rotate, the processing machine on the processing mechanism carries out corresponding processing on the bearing ring, the rotating wheel 8 shrinks the push pipes 6 after processing is finished, the folding pipes 5, the folding pipes are hoisted, the working efficiency of the bearing ring is improved, and the clamping efficiency of the folding pipes is improved.

Example 2

A rotary table for processing bearing pieces comprises a working table 1 and a rotary table 2; the square tube machining device comprises a square tube 3, a plurality of supports 4, a plurality of folding tubes 5, a plurality of push tubes 6, a plurality of push blocks 7, a rotating wheel 8, a rotating mechanism, a telescopic mechanism and a machining mechanism, wherein the rotating platform 2 is rotatably installed on a workbench 1, the rotating mechanism is in transmission connection with the rotating platform 2, the square tube 3 is concentrically installed on the upper end face of the rotating platform 2, the supports 4 are arranged on the lower portions of the outer walls of four sides of the square tube 3, the inner ends of the folding tubes 5 are respectively in rotation connection with the supports 4, the inner ends of the push tubes 6 are respectively in sliding installation in the folding tubes 5, the push blocks 7 are arranged at the outer ends of the push tubes 6, the telescopic mechanism is installed in the square tube 3 and the push tubes 6 and is in transmission connection with the push tubes 6, the rotating wheel 8 is arranged at the input end of the telescopic mechanism and is positioned above the square tube 3, the machining mechanism is installed on the workbench 1, and the machining mechanism is positioned outside the rotary platform 2; the telescopic mechanism comprises a driving shaft 9, a plurality of driven shafts 10, a plurality of screw rods 11, a plurality of cross shafts 12 and a plurality of thread sleeves 13, the upper end and the lower end of the driving shaft 9 are respectively rotatably connected with the upper end and the lower end of the square tube 3 through bearings, a rotating wheel 8 is concentrically installed at the top end of the driving shaft 9, bevel gears are arranged at the lower part of the driving shaft 9, the middle parts of the driven shafts 10 are respectively rotatably connected with the lower parts of the four side walls of the square tube 3 through bearings, the bevel gears are installed at the inner ends of the driven shafts 10 in a concentric mode, the bevel gears of the driven shafts 10 are respectively meshed with the bevel gears of the driving shaft 9, the outer ends of the driven shafts 10 and the inner ends of the screw rods 11 are respectively rotatably connected through universal joints, the cross shafts 12 are arranged in the universal joints, the thread sleeves 13 are respectively rotatably screwed on the screw rods 11, and the thread sleeves 13 are respectively installed at the middle parts of the inner ends of the push tubes 6; the device also comprises two vertical rods 14, and the two vertical rods 14 are symmetrically arranged on the upper end surface of the rotating wheel 8; the folding square pipe is characterized by further comprising a plurality of hook rods 15 and a plurality of elastic hooks 16, wherein the hook rods 15 are mounted on the outer side walls of the folding pipes 5, the elastic hooks 16 are mounted on the four side walls of the square pipe 3, and the elastic hooks 16 face the hook rods 15 respectively; through setting up a plurality of universal joints and a plurality of cross 12, make a plurality of screw rods 11 can follow a plurality of ejector sleeves 6 and a plurality of folding pipe 5 and erect folding square pipe 3 together, when a plurality of folding pipe 5 are erect folding square pipe 3's lateral wall on, a plurality of elastic hook 16 catch on a plurality of couple poles 15 respectively, avoid a plurality of folding pipe 5 and a plurality of ejector sleeves 6 to put down at the in-process accident of bearing circle hoist and mount, when the clamping bearing circle, staff holds montant 14 and rotates runner 8, when needing bigger rotation torsion, do not be between two montants 14 with the steel pipe, pull two montants 14 through the steel pipe and drive runner 8 and drive shaft 9 and rotate, drive shaft 9 passes through a plurality of driven shafts 10 of synchronous rotations of bevel gear group drive, a plurality of driven shafts 10 drive a plurality of screw rods 11 through universal joint and a plurality of cross 12 and rotate, a plurality of screw rods 11 rotate and promote a plurality of ejector sleeves 6 through a plurality of thread sleeves 13 and stretch out along a plurality of folding pipe 5 and grasp the bearing circle.

Example 3

A rotary table for processing bearing pieces comprises a working table 1 and a rotary table 2; the square tube machining device comprises a square tube 3, a plurality of supports 4, a plurality of folding tubes 5, a plurality of push tubes 6, a plurality of push blocks 7, a rotating wheel 8, a rotating mechanism, a telescopic mechanism and a machining mechanism, wherein the rotating platform 2 is rotatably installed on a workbench 1, the rotating mechanism is in transmission connection with the rotating platform 2, the square tube 3 is concentrically installed on the upper end face of the rotating platform 2, the supports 4 are arranged on the lower portions of the outer walls of four sides of the square tube 3, the inner ends of the folding tubes 5 are respectively in rotation connection with the supports 4, the inner ends of the push tubes 6 are respectively in sliding installation in the folding tubes 5, the push blocks 7 are arranged at the outer ends of the push tubes 6, the telescopic mechanism is installed in the square tube 3 and the push tubes 6 and is in transmission connection with the push tubes 6, the rotating wheel 8 is arranged at the input end of the telescopic mechanism and is positioned above the square tube 3, the machining mechanism is installed on the workbench 1, and the machining mechanism is positioned outside the rotary platform 2; the rotating mechanism comprises a bearing turntable 17, a driving motor 18, two driving belt wheels 19 and a synchronous belt 20, the turntable 2 is rotatably mounted on the upper end face of the workbench 1 through the bearing turntable 17, the lower end face of the turntable 2 is concentrically provided with the synchronous belt wheels, the driving motor 18 is mounted on the workbench 1, the output shaft of the driving motor 18 is concentrically provided with the driving belt wheels 19, and two ends of the synchronous belt 20 are respectively sleeved on the driving belt wheels 19 and the synchronous belt wheels of the turntable 2; the processing mechanism comprises an upright post 21, a sliding block 22, a lifting screw 23 and a horizontal arm 24, wherein the upright post 21 is arranged on the upper end surface of the workbench 1, the upright post 21 is provided with a vertical sliding groove, the sliding block 22 is slidably arranged in the sliding groove of the upright post 21, the middle part of the lifting screw 23 is rotatably screwed with the top wall of the upright post 21, the top end of the lifting screw 23 is provided with a hand wheel, the lower end of the lifting screw 23 is rotatably connected with the sliding block 22, the horizontal arm 24 is horizontally slidably arranged on the sliding block 22, and the inner end of the horizontal arm 24 is provided with a mounting plate; the lifting device is characterized by further comprising a locking nut 25 and a locking bolt 26, wherein the locking nut 25 is rotatably screwed on the upper part of the lifting screw 23, the locking nut 25 is in contact with the upright post 21, the locking bolt 26 is rotatably screwed on the sliding block 22, and the inner end of the locking bolt 26 is in contact with the horizontal arm 24; install corresponding processing machine on the mounting panel of horizontal arm 24 according to the processing project, thereby remove horizontal arm 24 along slider 22 and adjust the horizontal distance of processing machine and race ring, rotate lifting screw 23, lifting screw 23 drives slider 22 and reciprocates along the spout of stand 21, thereby adjust the vertical distance of processing machine and race ring, the position control of processing machine accomplishes the back, screw up lock nut 25 on stand 21, make lock nut 25 lock lifting screw 23, rotate lock bolt 26, make lock bolt 26 fix a position horizontal arm 24 and compress tightly, driving motor 18 drives driving pulley 19 and rotates, driving pulley 19 drives synchronous pulley and revolving stage 2 through hold-in range 20 and rotates, the race ring that makes is rotatory, the operation processing machine carries out corresponding processing to the race ring.

As shown in fig. 1 to 4, in operation, before the bearing ring is lifted onto the turntable 2, the plurality of folding pipes 5 and the plurality of push pipes 6 are turned upwards around the plurality of supports 4 and erected and lean against the four side walls of the square pipe 3, the plurality of folding pipes 5 and the plurality of push pipes 6 are folded, the plurality of elastic hooks 16 respectively hook the plurality of hook rods 15, then the bearing ring is lifted onto the turntable 2 and the position of the bearing ring is preliminarily adjusted, then the plurality of folding pipes 5 and the plurality of push pipes 6 are unfolded, the rotating wheel 8 rotates the driving shaft 9, the driving shaft 9 drives the plurality of driven shafts 10 to synchronously rotate through the bevel gear set, the plurality of driven shafts 10 drive the plurality of screw rods 11 to rotate through the universal joints and the plurality of cross shafts 12, the plurality of screw rods 11 rotate to push the plurality of push pipes 6 to extend out along the plurality of folding pipes 5 through the plurality of thread sleeves 13, make the inner wall contact of a plurality of ejector pads 7 and race ring and compress tightly, install corresponding processing machine on the mounting panel of horizontal arm 24, thereby adjust the horizontal distance of processing machine and race ring along slider 22 removal horizontal arm 24, rotate lifting screw 23, lifting screw 23 drives slider 22 and reciprocates along the spout of stand 21, thereby adjust the vertical distance of processing machine and race ring, start driving motor 18, driving motor 18 drives driving pulley 19 and rotates, driving pulley 19 drives synchronous pulley and revolving stage 2 through hold-in range 20 and rotates, revolving stage 2 drives the race ring and rotates, make processing machine carry out corresponding processing to the race ring, the final processing is accomplished, it contracts a plurality of ejector pins 6 to rotate runner 8, stick up a plurality of folding tubes 5 and fold, it can to take off the hoist and mount race ring.

The utility model discloses the main function who realizes does: the time consumed by concentrically clamping the bearing ring is shortened, and the working efficiency is improved.

The installation mode, the connection mode or the setting mode of the rotary table for processing the bearing piece of the utility model are common mechanical modes, and the rotary table can be implemented as long as the beneficial effects can be achieved; the utility model discloses a bearing, universal joint, driven shaft 10, bevel gear, runner 8, thread bush 13, elastic hook 16, bearing rotary table 17, driving motor 18, driving pulley 19, hold-in range 20, lifting screw 23, lock nut 25, locking bolt 26 for the revolving stage of bearing spare processing are purchase on the market, and this industry technical staff only need according to its subsidiary service instruction install and operate can, and need not the technical staff in this field and pay out creative work.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (7)

1. A rotary table for machining bearing pieces comprises a working table (1) and a rotary table (2); the automatic pipe pushing and bending machine is characterized by further comprising a square pipe (3), a plurality of supports (4), a plurality of folding pipes (5), a plurality of pushing pipes (6), a plurality of pushing blocks (7), a rotating wheel (8), a rotating mechanism, a telescopic mechanism and a machining mechanism, wherein the rotating table (2) is rotatably installed on the workbench (1), the rotating mechanism is in transmission connection with the rotating table (2), the square pipe (3) is concentrically installed on the upper end face of the rotating table (2), the supports (4) are arranged on the lower portions of the outer walls of the four sides of the square pipe (3), the inner ends of the folding pipes (5) are respectively in rotation connection with the supports (4), the inner ends of the pushing pipes (6) are respectively in sliding installation in the folding pipes (5), the outer ends of the pushing pipes (6) are respectively provided with the pushing blocks (7), the telescopic mechanism is installed in the square pipe (3) and the pushing pipes (6), the telescopic mechanism is in transmission connection with the pushing pipes (6), the input end of the telescopic mechanism is provided with the rotating wheel (8), the rotating wheel is located above the square pipe (3), the machining mechanism is installed on the workbench (1), and the outer side of the machining mechanism (2).

2. A rotary table for machining bearing parts according to claim 1, wherein the telescopic mechanism comprises a driving shaft (9), a plurality of driven shafts (10), a plurality of screws (11), a plurality of cross shafts (12) and a plurality of threaded sleeves (13), the upper end and the lower end of the driving shaft (9) are rotatably connected with the upper end and the lower end of the square pipe (3) through bearings respectively, a rotating wheel (8) is concentrically installed at the top end of the driving shaft (9), a bevel gear is arranged at the lower part of the driving shaft (9), the middle parts of the driven shafts (10) are rotatably connected with the lower parts of the four side walls of the square pipe (3) through bearings respectively, the bevel gears are concentrically installed at the inner ends of the driven shafts (10), the bevel gears of the driven shafts (10) are engaged with the bevel gears of the driving shaft (9), the outer ends of the driven shafts (10) and the inner ends of the screws (11) are rotatably connected through universal joints respectively, the cross shafts (12) are arranged in the universal joints, the threaded sleeves (13) are rotatably connected to the screws (11) respectively, and are installed at the middle parts of the push pipes (6).

3. A turntable for machining bearing elements, as claimed in claim 2, further comprising two vertical bars (14), the two vertical bars (14) being symmetrically mounted on the upper end surface of the wheel (8).

4. A rotary table for machining bearing parts according to claim 1, further comprising a plurality of hook rods (15) and a plurality of elastic hooks (16), wherein the hook rods (15) are installed on the outer side walls of the plurality of folding tubes (5), the elastic hooks (16) are installed on the four side walls of the square tube (3), and the elastic hooks (16) face the hook rods (15).

5. A rotary table for machining bearing members as claimed in claim 1, wherein the rotating mechanism comprises a bearing turntable (17), a driving motor (18), two driving pulleys (19) and a synchronous belt (20), the rotary table (2) is rotatably mounted on the upper end surface of the worktable (1) through the bearing turntable (17), the synchronous pulley is concentrically mounted on the lower end surface of the rotary table (2), the driving motor (18) is mounted on the worktable (1), the driving pulley (19) is concentrically mounted on the output shaft of the driving motor (18), and two ends of the synchronous belt (20) are respectively sleeved on the driving pulley (19) and the synchronous pulley of the rotary table (2).

6. A turntable for processing bearing parts, as claimed in claim 1, characterized in that the processing means comprises an upright (21), a slide block (22), a lifting screw (23) and a horizontal arm (24), the upright (21) is mounted on the upper end face of the table (1), the upright (21) is provided with a vertical chute, the slide block (22) is slidably mounted in the chute of the upright (21), the middle part of the lifting screw (23) is rotatably screwed with the top wall of the upright (21), the top end of the lifting screw (23) is provided with a hand wheel, the lower end of the lifting screw (23) is rotatably connected with the slide block (22), the horizontal arm (24) is horizontally slidably mounted on the slide block (22), and the inner end of the horizontal arm (24) is provided with a mounting plate.

7. A turntable for machining bearing elements, according to claim 6, further comprising a locking nut (25) and a locking bolt (26), the locking nut (25) being rotatably screwed onto the upper portion of the lifting screw (23), the locking nut (25) being in contact with the upright (21), the locking bolt (26) being rotatably screwed onto the slide (22), the inner end of the locking bolt (26) being in contact with the horizontal arm (24).

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