CN212042162U

CN212042162U - Needle bearing outer ring curling device

Info

Publication number: CN212042162U
Application number: CN202020310760.3U
Authority: CN
Inventors: 王卫民; 许建红
Original assignee: Suzhou Jincheng Bearing Co ltd
Current assignee: Suzhou Jincheng Bearing Co ltd
Priority date: 2020-03-13
Filing date: 2020-03-13
Publication date: 2020-12-01
Anticipated expiration: 2030-03-13

Abstract

The utility model relates to a bearing rigging equipment's technical field specifically is a bearing inner race turn-up device, and it includes the workstation, fixedly connected with brace table on the workstation, and the rotation is connected with the carousel on the brace table, has seted up a plurality of standing grooves on the carousel, and fixedly connected with support frame on the workstation shifts on the support frame and is connected with the movable plate, and the swing joint has the hemming wheel of two coaxial settings on the movable plate, and the orbit of standing groove is located the below of hemming wheel. The utility model discloses when carrying out the turn-up operation to the bearing, place the bearing in the standing groove, the carousel drives the bearing and rotates, and when the bearing rotated to the hemming wheel below, the movable plate moved down and drives the hemming wheel and move down, and hemming wheel butt bearing inner race realizes the turn-up of bearing inner race, because the outside of hemming wheel is the curved surface setting, and consequently the power of exerting in the time of hemming wheel butt bearing inner race is comparatively even to the turn-up quality of bearing is higher.

Description

Needle bearing outer ring curling device

Technical Field

The utility model belongs to the technical field of bearing rigging equipment's technique and specifically relates to a bearing outer lane crimping device is related to.

Background

Needle roller bearings are roller bearings with cylindrical rollers, which are thin and long with respect to their diameter, and which become needle rollers. The bearing has higher load bearing capacity despite smaller section, and the needle bearing is provided with thin and long rollers (the diameter D of the rollers is less than or equal to 5mm, the L/D is more than or equal to 2.5, and L is the length of the rollers), so the radial structure is compact, the inner diameter size and the load capacity of the needle bearing are the same as those of other types of bearings, the outer diameter is the smallest, and the needle bearing is particularly suitable for supporting occasions with limited radial installation size.

As shown in the attached drawings, a needle roller bearing in the prior art includes a retainer and a bearing outer ring which are arranged inside and outside, a pressure port is arranged in the circumferential direction of the retainer, and a needle roller is arranged in the pressure port.

The bearing is fixed on a certain part through extrusion, the matching mode of the bearing and the part is interference fit, the axial fixation between the bearing and the part during working can not be ensured in the state, and therefore, a bearing flanging tool is required to flange the bearing so as to achieve the purpose of extrusion fixation of the bearing and the part.

Bearing flanging device among the prior art, for example, chinese patent publication number is CN 202185496U's utility model patent specifically discloses a joint bearing flanging device, include: positioning a mandrel; bearing positioning die, bearing positioning die contains: the positioning upper die surrounds the positioning mandrel and is connected with the upper surface of the bearing, and the positioning lower die surrounds the positioning mandrel and is connected with the lower surface of the bearing; the bearing flanging die comprises a flanging upper die surrounding the positioning mandrel and connected with the upper surface of the bearing and a flanging lower die surrounding the positioning mandrel and connected with the lower surface of the bearing; the bearing stripping die comprises a stripping upper die surrounding the positioning mandrel and connected with the upper surface of the bearing and a stripping lower die surrounding the positioning mandrel and connected with the lower surface of the bearing.

When the flanging pressure acts on the bearing flanging die, the flanging chamfer angle of the flanging upper die presses the bearing outer ring to press the bearing outer ring out of the flanging of the bearing by the bearing flanging device in the technical scheme. Although above-mentioned technical scheme can realize the turn-ups to the bearing, the mould is one shot forming in the turn-ups, and at the turn-ups in-process, mould on the turn-ups can lead to bearing turn-ups's angle or highly inconsistent because other factors such as the pressure or the angle that receive at every turn to can influence the turn-ups's of bearing precision, can produce certain influence to bearing quality.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a not enough to prior art exists, the utility model aims at providing a bearing outer lane crimping device, the device atress is even when can making the bearing turn-up to can adjust according to the turn-up degree difference, guarantee the precision of bearing turn-up, thereby guarantee the quality of bearing.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a bearing inner race turn-up device, includes the workstation, fixedly connected with brace table on the workstation, the last swivelling joint of brace table has the carousel, a plurality of standing grooves have been seted up on the carousel, fixedly connected with support frame on the workstation, it is connected with the movable plate to slide on the support frame, the last swivelling joint of movable plate has the hemming wheel of two coaxial settings, the orbit of standing groove is located the below of hemming wheel.

Through adopting above-mentioned technical scheme, when carrying out the turn-up operation to the bearing, place the bearing in the standing groove, the carousel drives the bearing and rotates, when the bearing rotates to the hemming wheel below, the movable plate moves down and drives the hemming wheel and move down, hemming wheel butt bearing inner race, realize the turn-up of bearing inner race, because the outside of hemming wheel is the curved surface setting, consequently, the power of applying when hemming wheel butt bearing inner race is comparatively even, the amplitude that the movable plate reciprocated also can be adjusted according to the turn-up degree, thereby the turn-up quality of bearing is higher.

The present invention may be further configured in a preferred embodiment as: the edges of the two ends of the edge rolling wheel are provided with chamfers.

Through adopting above-mentioned technical scheme, the setting of chamfer can make the crimping wheel reduce the indentation of edge transition when contacting with the bearing inner race to make the crimping wheel at the in-process application of force more even of turn-up.

The present invention may be further configured in a preferred embodiment as: be provided with the subassembly that slides on the support frame, the subassembly that slides include with support frame fixed connection's first motor, with first motor output fixed connection's lead screw and with lead screw thread fit's connecting plate, connecting plate and movable plate fixed connection.

By adopting the technical scheme, when the bearing is turned, the first motor is started, the first motor drives the screw rod to rotate, the screw rod is linked with the connecting plate to move, the connecting plate drives the moving plate to move, the first motor can be adjusted according to the turned-up degree when the moving plate moves, and the bearing is turned accurately.

The present invention may be further configured in a preferred embodiment as: the support frame is fixedly connected with a guide rail, and the connecting plate is fixedly connected with a sliding block which is matched with the guide rail in a sliding clamping manner.

Through adopting above-mentioned technical scheme, when the connecting plate removed, slider on the connecting plate can with the cooperation of guide rail looks joint to can make the removal of connecting plate more steady, guarantee the quality to the bearing turn-up.

The present invention may be further configured in a preferred embodiment as: the support frame is provided with a support assembly, the support assembly comprises an extension plate fixedly connected with the support frame, a first air cylinder fixedly connected with the extension plate and a support plate fixedly connected with a piston rod of the first air cylinder, the piston rod of the first air cylinder is vertically arranged downwards, a moving groove is formed in the support plate, and the central shaft of the hemming wheel is arranged in the moving groove in a penetrating mode.

Through adopting above-mentioned technical scheme, when the movable plate drives the hemming wheel and moves down, start first cylinder, first cylinder drives the backup pad and removes, and the moving groove in the backup pad can be followed the hemming wheel synchronous motion to provide certain support for the hemming wheel, guarantee the hemming quality of hemming wheel.

The present invention may be further configured in a preferred embodiment as: the supporting table is provided with a through hole, the through hole is located below the hemming wheel and is arranged corresponding to the placing groove, a first connecting rod is connected to the through hole in a sliding mode, a driving assembly for driving the first connecting rod to rotate is arranged below the supporting table, the driving assembly comprises a second motor fixedly connected with the workbench, a first gear fixedly connected with the output end of the second motor and a second gear meshed with the first gear, a supporting rod used for supporting the second gear is fixedly connected to the workbench, a second connecting rod is fixedly connected to the lower end of the first connecting rod, an inserting hole is formed in the center of the second gear, the second connecting rod is matched with the inserting hole in a sliding and inserting mode, and the cross section of the second connecting rod is arranged in a polygonal mode.

Through adopting above-mentioned technical scheme, at the in-process that carries out the turn-up to the bearing, make head rod and bearing looks butt, start the second motor, the second motor drives first gear revolve, first gear engagement second gear revolve, the second gear drives the second connecting rod and rotates, can link the head rod and rotate when the second connecting rod rotates, consequently the head rod drives the bearing and rotates, at bearing pivoted in-process, the turn-up wheel moves down and exerts pressure to the bearing, can make the turn-up atress of bearing more even, guarantee the turn-up quality of bearing.

The present invention may be further configured in a preferred embodiment as: and a second cylinder is arranged below the second gear, and the second connecting rod is rotationally connected with a piston rod of the second cylinder.

Through adopting above-mentioned technical scheme, when needing the head rod to drive the bearing pivoted, start the second cylinder, the second cylinder can butt second connecting rod rebound, makes the head rod can butt bearing to it rotates to drive the bearing.

The present invention may be further configured in a preferred embodiment as: the upper end of the first connecting rod is fixedly connected with a magnetic sheet.

Through adopting above-mentioned technical scheme, when head rod and bearing looks butt, the magnetic sheet can laminate mutually with the bearing bottom to the head rod can be more steady drive the bearing and rotate, realizes the high accuracy turn-up to the bearing.

The present invention may be further configured in a preferred embodiment as: the supporting frame is fixedly connected with an inductor, and an induction end of the inductor is arranged opposite to the moving plate.

Through adopting above-mentioned technical scheme, the setting of inductor can detect the displacement distance of movable plate, can in time adjust the displacement distance of movable plate according to height and turn-up degree, guarantees the precision that the bearing detected.

To sum up, the utility model discloses a following at least one useful technological effect:

1. when the bearing is turned, the bearing is placed in the placing groove, the turntable drives the bearing to rotate, when the bearing rotates to the position below the hemming wheel, the movable plate moves downwards to drive the hemming wheel to move downwards, the hemming wheel abuts against the outer ring of the bearing, and hemming of the outer ring of the bearing is realized;

2. when the moving plate drives the hemming wheel to move downwards, the first air cylinder is started, the first air cylinder drives the supporting plate to move, and the moving groove in the supporting plate can move synchronously along with the hemming wheel, so that a certain support is provided for the hemming wheel, and the hemming quality of the hemming wheel is ensured;

3. in the process of curling the bearing, the first connecting rod is abutted to the bearing, the second motor is started, the second motor drives the first gear to rotate, the first gear is meshed with the second gear to rotate, the second gear drives the second connecting rod to rotate, the first connecting rod can be linked to rotate when the second connecting rod rotates, therefore, the first connecting rod drives the bearing to rotate, in the process of rotating the bearing, the curling wheel moves downwards to apply pressure to the bearing, the curling stress of the bearing is more uniform, and the curling quality of the bearing is ensured.

Drawings

FIG. 1 is a schematic view of the overall structure of a bearing hemming device;

FIG. 2 is a schematic structural diagram of the support frame and the sliding assembly shown in FIG. 1;

FIG. 3 is a schematic sectional view showing the structure of the lower part of the hemming wheel in a highlighted manner.

In the figure, 1, a workbench; 2. a support table; 3. a turntable; 4. a placement groove; 5. a support frame; 6. moving the plate; 7. an inductor; 8. a hemming wheel; 9. chamfering; 10. a slipping component; 101. a first motor; 102. a screw rod; 103. a connecting plate; 11. a guide rail; 12. a slider; 13. a support assembly; 131. an extension plate; 132. a first cylinder; 133. a support plate; 134. a moving groove; 14. a first connecting rod; 15. a magnetic sheet; 16. a second connecting rod; 17. a second cylinder; 18. a drive assembly; 181. a second motor; 182. a first gear; 183. a second gear; 19. a support rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a bearing inner race turn-up device, including workstation 1, fixedly connected with brace table 2 on the workstation 1, the rotation is connected with carousel 3 on the brace table 2, and carousel 3 can rotate through the driving motor drive, has seted up a plurality of standing grooves 4 on the carousel 3, when processing the bearing, places the bearing in standing groove 4, and carousel 3 rotates the removal that can drive the bearing, realizes the continuous processing to the bearing.

Referring to fig. 1, fixedly connected with support frame 5 on the workstation 1, it is connected with movable plate 6 to slide on support frame 5, fixedly connected with inductor 7 on the support frame 5, the response end of inductor 7 sets up with movable plate 6 relatively, inductor 7 is provided with two, two inductors 7 all adopt infrared inductor 7, it is connected with the hemming wheel 8 of two coaxial settings to rotate on the movable plate 6, the orbit of standing groove 4 is located the below of hemming wheel 8, the both ends edge of hemming wheel 8 all is provided with chamfer 9. The support frame 5 is provided with a sliding assembly 10, the sliding assembly 10 comprises a first motor 101 fixedly connected with the support frame 5, a screw rod 102 fixedly connected with the output end of the first motor 101, and a connecting plate 103 in threaded fit with the screw rod 102, and the connecting plate 103 is fixedly connected with the moving plate 6.

Referring to fig. 2, a guide rail 11 is fixedly connected to the support frame 5, and a slider 12 slidably engaged with the guide rail 11 is fixedly connected to the connecting plate 103.

When the edge is curled, the first motor 101 is started, the first motor 101 drives the screw rod 102 to rotate, the screw rod 102 is linked with the connecting plate 103 to move, the connecting plate 103 drives the moving plate 6 to move, when the connecting plate 103 moves, the slide block 12 on the connecting plate 103 can be matched with the guide rail 11 in a clamping mode, so that the connecting plate 103 can move more stably, the moving plate 6 can adjust the first motor 101 according to the degree of the edge curling when moving, accurate edge curling of a bearing is realized, when the moving plate 6 moves the edge curling, the infrared inductor 7 can monitor the displacement distance of the moving plate 6, the displacement condition of the moving plate 6 can be accurately mastered, and accurate edge curling is guaranteed.

Referring to fig. 2, a supporting assembly 13 is disposed on the supporting frame 5, the supporting assembly 13 includes an extending plate 131 fixedly connected to the supporting frame 5, a first cylinder 132 fixedly connected to the extending plate 131, and a supporting plate 133 fixedly connected to a piston rod of the first cylinder 132, the piston rod of the first cylinder 132 is disposed vertically and downwardly, a moving groove 134 is disposed on the supporting plate 133, a central axis of the hemming wheel 8 is disposed through the moving groove 134,

referring to fig. 3, a through hole has been seted up on the brace table 2, the through hole is located the below of hemming wheel 8, the through hole sets up with standing groove 4 is corresponding, the through hole internal slip is connected with head rod 14, the upper end fixedly connected with magnetic sheet 15 of

head rod

14, 14 lower extreme fixedly connected with second connecting rod 16 of head rod, fixedly connected with second cylinder 17 on the workstation 1, second connecting rod 16 rotates with the piston rod of second cylinder 17 to be connected, when carrying out the turn-up to the bearing, start second cylinder 17, second cylinder 17 can support 16 rebound of second connecting rod, make head rod 14 and bearing lower extreme looks butt.

Referring to fig. 3, a driving assembly 18 for driving the first connecting rod 14 to rotate is arranged below the supporting table 2, the driving assembly 18 includes a second motor 181 fixedly connected to the working table 1, a first gear 182 fixedly connected to an output end of the second motor 181, and a second gear 183 engaged with the first gear 182, a supporting rod 19 for supporting the second gear 183 is fixedly connected to the working table 1, an insertion hole is formed in a center position of the second gear 183, the second connecting rod 16 is slidably inserted into the insertion hole, and a cross section of the second connecting rod 16 is polygonal.

The second motor 181 is started, the second motor 181 drives the first gear 182 to rotate, the first gear 182 is meshed with the second gear 183 to rotate, the second gear 183 drives the second connecting rod 16 to rotate, the first connecting rod 14 can be linked to rotate when the second connecting rod 16 rotates, therefore, the first connecting rod 14 drives the bearing to rotate, when the hemming wheel 8 hems the bearing, the bearing can rotate, and therefore the hemming stress of the bearing is more uniform.

The implementation principle of the embodiment is as follows: when the bearing is curled, the bearing is placed in the placing groove 4, the turntable 3 drives the bearing to rotate, when the bearing rotates to the position below the curling wheel 8, the second air cylinder 17 is started, the second air cylinder 17 can push the second connecting rod 16 to move upwards, and the first connecting rod 14 is enabled to be abutted to the lower end of the bearing.

The second motor 181 is started again, the second motor 181 drives the first gear 182 to rotate, the first gear 182 is meshed with the second gear 183 to rotate, the second gear 183 drives the second connecting rod 16 to rotate, and the second connecting rod 16 can be linked with the first connecting rod 14 to rotate when rotating, so that the first connecting rod 14 drives the bearing to rotate, when the hemming wheel 8 hems the bearing, the bearing can rotate, and therefore the hemming stress of the bearing is more uniform.

The first motor 101 is started simultaneously, the first motor 101 drives the screw rod 102 to rotate, the screw rod 102 is linked with the connecting plate 103 to move, the connecting plate 103 drives the moving plate 6 to move, when the connecting plate 103 moves, the sliding block 12 on the connecting plate 103 can be in clamping fit with the guide rail 11, and therefore the moving of the connecting plate 103 can be more stable, the moving plate 6 can adjust the first motor 101 according to the curling degree when moving, and accurate curling of the bearing is achieved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a bearing inner race turn-up device, includes workstation (1), fixedly connected with brace table (2) on workstation (1), it is connected with carousel (3) to rotate on brace table (2), a plurality of standing grooves (4), its characterized in that have been seted up on carousel (3): fixedly connected with support frame (5) on workstation (1), it is connected with movable plate (6) to slide on support frame (5), it has crimping wheel (8) of two coaxial settings to rotate on movable plate (6), the orbit of standing groove (4) is located the below of crimping wheel (8).

2. The needle bearing outer race hemming device of claim 1 wherein: and chamfers (9) are arranged at the edges of the two ends of the hemming wheel (8).

3. The needle bearing outer race hemming device of claim 1 wherein: be provided with on support frame (5) and slide subassembly (10), slide subassembly (10) including with support frame (5) fixed connection's first motor (101), with first motor (101) output end fixed connection's lead screw (102) and with lead screw (102) screw-thread fit's connecting plate (103), connecting plate (103) and movable plate (6) fixed connection.

4. The needle bearing outer race hemming device of claim 3 wherein: fixedly connected with guide rail (11) on support frame (5), fixedly connected with and guide rail (11) looks sliding joint complex slider (12) on connecting plate (103).

5. The needle bearing outer race hemming device of claim 2 wherein: be provided with supporting component (13) on support frame (5), supporting component (13) include with support frame (5) fixed connection extend board (131), with extend board (131) fixed connection first cylinder (132) and with first cylinder (132) piston rod fixed connection's backup pad (133), the vertical downward setting of piston rod of first cylinder (132), shifting chute (134) have been seted up on backup pad (133), hemming wheel (8) center pin is worn to establish in shifting chute (134).

6. The needle bearing outer race hemming device of claim 1 wherein: the supporting table (2) is provided with a through hole, the through hole is positioned below the hemming wheel (8), the through hole is arranged corresponding to the placing groove (4), a first connecting rod (14) is connected in the through hole in a sliding manner, a driving assembly (18) for driving the first connecting rod (14) to rotate is arranged below the supporting table (2), the driving assembly (18) comprises a second motor (181) fixedly connected with the workbench (1), a first gear (182) fixedly connected with the output end of the second motor (181), and a second gear (183) meshed with the first gear (182), the workbench (1) is fixedly connected with a supporting rod (19) for supporting the second gear (183), the lower end of the first connecting rod (14) is fixedly connected with a second connecting rod (16), the central position of the second gear (183) is provided with an inserting hole, the second connecting rod (16) is matched with the inserting hole in a sliding manner in an inserting manner, the section of the second connecting rod (16) is arranged in a polygon shape.

7. The needle bearing outer race hemming device of claim 6 wherein: and a second cylinder (17) is arranged below the second gear (183), and the second connecting rod (16) is rotationally connected with a piston rod of the second cylinder (17).

8. The needle bearing outer race hemming device of claim 6 wherein: the upper end of the first connecting rod (14) is fixedly connected with a magnetic sheet (15).

9. The needle bearing outer race hemming device of claim 1 wherein: the movable plate is characterized in that an inductor (7) is fixedly connected to the support frame (5), and an induction end of the inductor (7) is opposite to the movable plate (6).