Press fitting device for dust cover of medium-wide series deep groove ball bearing

Abstract

The utility model relates to the technical field of bearing press fitting, in particular to a press fitting device for a dust cover of a medium-wide series deep groove ball bearing, which comprises a mounting base, a lower die arranged on the upper side of the mounting base, and an upper die longitudinally arranged at an interval with the lower die, the lower die comprises a positioning die groove, a plurality of sliding grooves formed in the lower side of the interior of the positioning die groove and annularly distributed at intervals, connecting columns arranged in the sliding grooves, movable sliding rings connected to the outer walls of the connecting columns in a sleeving mode and in sliding fit with the interiors of the sliding grooves, positioning arc-shaped plates arranged on the upper sides of the movable sliding rings, and first springs arranged on the outer walls of the connecting columns in a sleeving mode. The extrusion mechanism is in sliding fit with the connecting column and acts on the movable sliding ring, and the positioning arc-shaped plate is in sliding fit with the lower side of the interior of the positioning die groove; the device can flexibly position bearings of different models with tiny differences, and in the press-fitting process of dustproof covers of medium-wide series deep groove ball bearings, the device improves the operation convenience and efficiency, and brings convenience to production operation.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing press mounting technical field, concretely to a kind of middle wide series deep groove ball bearing dust cover press mounting device. BACKGROUND

[0002] Middle wide series deep groove ball bearing dust seal cover adopts steel plate stamping type dust cover, the dust cover press mounting mould currently used adopts integral structure, when carrying out the press mounting of dust seal cover, the mould is moved down, and dust cover is pressed in bearing outer ring.

[0003] The existing deep groove ball bearing dust cover press mounting device, when carrying out the dust cover press mounting process of middle wide series deep groove ball bearing, usually adopt the mode of embedding bearing into specific groove of lower mould to realize limiting and fixing;However, this positioning is strictly limited to the bearing model matched therewith, when carrying out press mounting to other model bearings with slightly different size but overall similar, it is necessary to replace the whole lower mould to adapt to the new bearing size, so as to achieve the purpose of accurate positioning, this method is not only cumbersome, but also greatly reduces operation efficiency, brings unnecessary trouble and inconvenience to production operation. SUMMARY

[0004] The utility model aims at providing a kind of middle wide series deep groove ball bearing dust cover press mounting device, to solve the problem that the existing deep groove ball bearing dust cover press mounting device, positioning of middle wide series bearing relies on specific groove, is only applicable to matching model, for the bearing with similar size, need to replace the whole lower mould, cumbersome and reduce efficiency, cause production inconvenience.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of middle wide series deep groove ball bearing dust cover press mounting device, including installation base, lower mould being located on the upper side of installation base, and upper mould being arranged longitudinally spaced apart with lower mould, the lower mould includes positioning mould groove, multiple sliding grooves being arranged annularly and being located inside positioning mould groove and lower side, connecting column being located in sliding groove, movable sliding ring being sleeved on the outer wall of connecting column and being slidably matched with sliding groove, positioning arc plate being located on the upper side of movable sliding ring, first spring being sleeved on the outer wall of connecting column, extrusion mechanism being slidably matched on connecting column and acting on movable sliding ring, the positioning arc plate is slidably matched with the inside lower side of positioning mould groove, and the two ends of first spring are respectively connected with the inner wall of sliding groove and one side of movable sliding ring.

[0006] Further, the upper die comprises a die handle, a die base plate arranged at the lower side of the die handle, a die block arranged at the lower side of the die base plate, a movable cavity arranged at the lower side of the die block, a pressing block slidingly fitted in the movable cavity, a plurality of clamping grooves arranged at the upper side of the pressing block in a ring shape and at intervals, a plurality of movable grooves arranged at the upper side of the die block and corresponding to the clamping grooves, a plurality of through holes respectively arranged at the upper sides of the die base plate and the die handle and corresponding to the movable grooves, a second screw threadedly connected with the inner side of the clamping groove, a second spring sleeved on the outer wall of the second screw, a plurality of first screws arranged at the die handle, the die base plate and the die block in a ring shape and at intervals, the plurality of through holes are located between the plurality of first screws, the two ends of the second spring are respectively connected with the inner wall of the clamping groove and the upper side of the inner part of the movable cavity, and the second screw is slidingly connected with the die block and extends to the inner part of the movable groove.

[0007] Further, the lower side edge of the positioning die groove is provided with a ring-shaped groove; the extrusion mechanism comprises an electric push rod arranged on the outer wall of the positioning die groove and located in the ring-shaped groove, and an extrusion sliding ring connected with the output end of the electric push rod, the extrusion sliding ring is sleeved on the outer wall of the connecting column and slidingly connected with the sliding groove, and the extrusion sliding ring is arranged at intervals with the movable sliding ring.

[0008] Further, the inner upper side of the ring-shaped groove is provided with a supporting ring, and the electric push rod is located in the inner part of the supporting ring.

[0009] Further, the mounting base comprises a base plate, a cushion block arranged at the upper side of the base plate, and a guide hole arranged at the upper middle part of the cushion block, the upper sides of the supporting ring and the positioning die groove are connected with the upper side of the cushion block.

[0010] Further, the inner lower side of the positioning die groove is communicated with a guide cylinder, the guide cylinder is located between the plurality of sliding grooves, the upper side of the cushion block is provided with a guide hole corresponding to the guide cylinder, the die block is provided with a guide column located between the plurality of movable grooves, the guide column is slidingly connected with the pressing block and one end of the guide column can extend into the guide cylinder and the guide hole.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] When the utility model is used for the pressing operation of the dust cover of the medium-wide series deep groove ball bearing, the extrusion mechanism, the sliding groove, the connecting column, the first spring, the movable sliding ring and the positioning arc-shaped plate are cooperated to realize the positioning of different types of bearings, the distance between the plurality of positioning arc-shaped plates can be automatically adjusted by the extrusion mechanism, so that the distance is reduced, thereby facilitating the placing process of the bearing through the plurality of positioning arc-shaped plates into the positioning die groove; the device can flexibly position different types of bearings with slight differences, and the device improves the convenience and efficiency of operation in the pressing process of the dust cover of the medium-wide series deep groove ball bearing, thereby bringing convenience for production operation. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the cross section schematic view of the middle wide series deep groove ball bearing dust cover press fitting device of the utility model;

[0014] Figure 2 It is the middle A of the utility model Figure 1 enlarged schematic view;

[0015] Figure 3 It is the overhead schematic view of the lower mould of the utility model;

[0016] Figure 4 It is the structural schematic view of the lower mould of the utility model.

[0017] In the drawing: 1, mounting base; 2, lower mould; 3, upper mould; 4, bottom plate; 5, positioning mould groove; 6, sliding slot; 7, connecting column; 8, first spring; 9, movable sliding ring; 10, positioning arc plate; 11, annular recess; 12, support ring; 13, electric push rod; 14, extrusion sliding ring; 15, guide cylinder; 16, mould handle; 17, pad; 18, first screw; 19, module; 20, movable cavity; 21, clamping groove; 22, second spring; 23, second screw; 24, guide hole; 25, movable slot; 26, through hole; 27, guide column; 28, cushion block; 29, pressing block. DETAILED DESCRIPTION

[0018] Please refer to Figures 1-4The utility model provides a kind of middle wide series deep groove ball bearing dust cover press fitting device, including installation baseplate 1, the lower mould 2 being arranged on the upper side of installation baseplate 1, the upper mould 3 being arranged with longitudinal interval, the lower mould 2 includes positioning mould groove 5, multiple sliding grooves 6 being arranged with annular interval in the inside lower side of positioning mould groove 5, connecting column 7 being connected in sliding groove 6, movable sliding ring 9 being sleeved in the outer wall of connecting column 7 and being slidably matched with sliding groove 6, positioning arc plate 10 being connected on the upper side of movable sliding ring 9, first spring 8 being sleeved in the outer wall of connecting column 7, extrusion mechanism being slidably matched on connecting column 7 and acting on movable sliding ring 9, positioning arc plate 10 is slidably matched with the inside lower side of positioning mould groove 5, and the two ends of first spring 8 are respectively connected with the inner wall of sliding groove 6 and the side of movable sliding ring 9;When carrying out the press fitting operation of middle wide series deep groove ball bearing dust cover, first, the pressure is applied to movable sliding ring 9 by extrusion mechanism, and the action promotes the contraction of first spring 8, drives the displacement of positioning arc plate 10 connected with movable sliding ring 9, the distance between multiple positioning arc plates 10 gradually reduces in the process of approaching each other, and bearing is placed into positioning mould groove 5, then bearing is placed into positioning mould groove 5, and it is ensured that multiple positioning arc plates 10 are inserted into bearing, then, extrusion mechanism is started again, and extrusion mechanism does not extrude movable sliding ring 9, according to the inherent elastic restoring force of first spring 8, movable sliding ring 9 is pushed to move in opposite direction, the action drives the outer wall of multiple positioning arc plates 10 and the inner wall of bearing to be close, realizes the positioning of bearing, and then the device can flexibly position different models of bearing with slight difference, in the dust cover press fitting process of middle wide series deep groove ball bearing, the device improves the convenience and efficiency of operation, and brings convenience for production operation.

[0019] The upper die 3 comprises a die handle 16, a pad plate 17 arranged on the lower side of the die handle 16, a die block 19 arranged on the lower side of the pad plate 17, a movable cavity 20 arranged on the lower side of the die block 19, a pressing block 29 slidingly fitted in the movable cavity 20, a plurality of clamping grooves 21 arranged annularly and spaced apart on the upper side of the pressing block 29, a plurality of movable grooves 25 arranged on the upper side of the die block 19 and corresponding to the clamping grooves 21, a plurality of through holes 26 respectively arranged on the upper sides of the pad plate 17 and the die handle 16 and corresponding to the movable grooves 25, a second screw 23 threadedly connected with the inner lower side of the clamping groove 21, a second spring 22 sleeved on the outer wall of the second screw 23, a plurality of first screws 18 arranged annularly and spaced apart on the die handle 16, the pad plate 17 and the die block 19, the die handle 16, the pad plate 17 and the die block 19 being connected by the plurality of first screws 18, the plurality of through holes 26 being located between the plurality of first screws 18, the two ends of the second spring 22 being connected with the inner wall of the clamping groove 21 and the inner upper side of the movable cavity 20 respectively, and the second screw 23 being slidingly fitted with the die block 19 and extending to the inner side of the movable groove 25 at one end. The die handle 16 is connected with the riveting machine tool, the pad plate 17 is arranged between the die handle 16 and the die block 19, and then the three are connected by the plurality of first screws 18. The machine tool is started to drive the upper die 3 to descend, the pressing block 29 exerts pressure on the surface of the dust cover, the plurality of second springs 22 are contracted, the second screw 23 is slidingly fitted with the die block 19 and moves upward in the movable groove 25, the dust cover is more uniformly stressed, the problem of deformation of the dust cover is solved, the dust cover is pressed and mounted on the bearing, the upper die 3 is lifted, and the problem of preventing deformation of the dust cover during pressing and mounting of the dust cover is solved.

[0020] The lower side edge of the positioning die groove 5 is provided with an annular groove 11; the extrusion mechanism comprises an electric push rod 13 mounted on the outer wall of the positioning die groove 5 and located in the annular groove 11, and an extrusion sliding ring 14 connected with the output end of the electric push rod 13, the extrusion sliding ring 14 being sleeved on the outer wall of the connecting column 7 and slidingly fitted in the sliding groove 6, and the extrusion sliding ring 14 being spaced apart from the movable sliding ring 9; when the extrusion mechanism operates, the electric push rod 13 is started to drive the extrusion sliding ring 14 to move, and the movable sliding ring 9 is moved away from or close to each other, so that the extrusion operation and separation of the movable sliding ring 9 are realized.

[0021] The inner upper side of the annular groove 11 is provided with a supporting ring 12, and the electric push rod 13 is located in the inner part of the supporting ring 12; through the supporting ring 12, the positioning die groove 5 is further supported.

[0022] The mounting base 1 comprises a bottom plate 4, a cushion block 28 arranged on the upper side of the bottom plate 4, a guide hole 24 arranged on the upper middle part of the cushion block 28, the cushion block 28 is connected with the bottom plate 4 through a plurality of bolts, a supporting ring 12 and the lower side of a positioning die groove 5 are all connected with the upper side of the cushion block 28; the inner lower side of the positioning die groove 5 is communicated with a guide cylinder 15, the guide cylinder 15 is located between a plurality of sliding grooves 6, the upper side of the cushion block 28 is provided with the guide hole 24 corresponding to the guide cylinder 15, the module 19 is provided with a guide column 27 located between a plurality of movable grooves 25, the guide column 27 is in sliding fit with a pressing block 29 and can extend into the guide cylinder 15 and the guide hole 24 at one end; when the upper die 3 descends, the guide column 27 descends and inserts into the guide cylinder 15 and the guide hole 24, thereby ensuring the coaxiality of the upper die 3 and the lower die 2.

[0023] Working principle: when the medium wide series deep groove ball bearing dust cover press fitting is carried out, the mold handle 16 is connected with the riveting press machine, the cushion plate 17 is arranged between the mold handle 16 and the module 19, then the three are connected through a plurality of first screws 18, first, the electric push rod 13 is started, the extrusion sliding ring 14 is driven to move, the movable sliding ring 9 is approached, the movable sliding ring 9 is pressed, the first spring 8 is retracted, the positioning arc plate 10 connected with the movable sliding ring 9 is displaced, the distance between the plurality of positioning arc plates 10 gradually decreases in the approaching process, the bearing is conveniently put into the positioning die groove 5, then the bearing is put into the positioning die groove 5 and the plurality of positioning arc plates 10 are ensured to penetrate into the bearing, then the electric push rod 13 is started again, the extrusion sliding ring 14 is driven to move, the movable sliding ring 9 is far away from each other, the extrusion sliding ring 14 does not extrude the movable sliding ring 9, according to the inherent elastic restoring force of the first spring 8, the movable sliding ring 9 is pushed to move in the opposite direction, the outer wall of the plurality of positioning arc plates 10 is tightly attached to the inner wall of the bearing, the positioning of the bearing is realized, then the machine tool is started, the upper die 3 is lowered, the guide column 27 gradually descends and inserts into the guide cylinder 15 and the guide hole 24, the pressing block 29 applies pressure to the surface of the dust cover, the plurality of second springs 22 are retracted, the second screw 23 is in sliding fit with the module 19 and moves upward in the movable groove 25, the problem of deformation of the dust cover is solved, the dust cover is press fitted on the bearing, the upper die 3 is lifted, and then the device can flexibly position different types of bearings with slight differences, and in the dust cover press fitting process of the medium wide series deep groove ball bearing, the device improves the convenience and efficiency of operation, and brings convenience to production operation.

[0024] The above is only a preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A dust cover press-fitting device for a medium-width series deep groove ball bearing, comprising a mounting base (1), a lower die (2) arranged on the upper side of the mounting base (1), and an upper die (3) arranged longitudinally spaced apart from the lower die (2), characterized in that, The lower die (2) comprises a positioning die groove (5), a plurality of sliding grooves (6) arranged annularly and spaced apart on the lower side inside the positioning die groove (5), a connecting column (7) arranged in the sliding groove (6), a movable sliding ring (9) sleeved on the outer wall of the connecting column (7) and slidingly matched with the sliding groove (6), a positioning arc-shaped plate (10) arranged on the upper side of the movable sliding ring (9), a first spring (8) sleeved on the outer wall of the connecting column (7), and an extrusion mechanism slidingly matched on the connecting column (7) and acting on the movable sliding ring (9). The positioning arc-shaped plate (10) is slidingly matched with the lower side inside the positioning die groove (5), and the two ends of the first spring (8) are respectively connected with the inner wall of the sliding groove (6) and one side of the movable sliding ring (9).

2. A dust cover press fitting device for a medium wide series deep groove ball bearing according to claim 1, characterized in that, The upper die (3) comprises a die handle (16), a backing plate (17) arranged on the lower side of the die handle (16), a die block (19) arranged on the lower side of the backing plate (17), a movable cavity (20) arranged on the lower side of the die block (19), a pressing block (29) slidingly matched in the movable cavity (20), a plurality of clamping grooves (21) arranged annularly and spaced apart on the upper side of the pressing block (29), a plurality of movable grooves (25) arranged on the upper side of the die block (19) and corresponding to the clamping grooves (21), a plurality of through holes (26) respectively arranged on the upper sides of the backing plate (17) and the die handle (16) and corresponding to the movable grooves (25), a second screw (23) threadedly matched with the lower side inside the clamping groove (21), a second spring (22) sleeved on the outer wall of the second screw (23), and a plurality of first screws (18) arranged annularly and spaced apart on the die handle (16), the backing plate (17) and the die block (19). A plurality of through holes (26) are located between a plurality of first screws (18). The two ends of the second spring (22) are respectively connected with the inner wall of the clamping groove (21) and the upper side inside the movable cavity (20). The second screw (23) is slidingly matched with the die block (19) and extends to the inside of the movable groove (25) at one end.

3. A dust cover press fitting device for a medium wide series deep groove ball bearing according to claim 2, characterized in that, The lower side edge of the positioning die groove (5) is provided with an annular groove (11); the extrusion mechanism comprises an electric push rod (13) arranged on the outer wall of the positioning die groove (5) and located in the annular groove (11), and an extrusion sliding ring (14) connected with the output end of the electric push rod (13). The extrusion sliding ring (14) is sleeved on the outer wall of the connecting column (7) and slidingly matched with the sliding groove (6). The extrusion sliding ring (14) is arranged spaced apart from the movable sliding ring (9).

4. A dust cover press fitting device for a medium wide series deep groove ball bearing according to claim 3, characterized in that, The upper side inside the annular groove (11) is provided with a supporting ring (12), and the electric push rod (13) is located inside the supporting ring (12).

5. A dust cover press fitting device for a medium wide series deep groove ball bearing according to claim 4, characterized in that, The mounting base (1) comprises a bottom plate (4), a cushion block (28) arranged on the upper side of the bottom plate (4), and a guide hole (24) arranged on the upper middle part of the cushion block (28). The lower side of the supporting ring (12) and the lower side of the positioning die groove (5) are connected with the upper side of the cushion block (28).

6. A dust cover press fitting device for a medium wide series deep groove ball bearing according to claim 5, characterized in that, The inside lower side of the positioning groove (5) is communicated with a guide cylinder (15), the guide cylinder (15) is located between a plurality of sliding grooves (6), the upper side of the cushion block (28) is provided with a guide hole (24) corresponding to the guide cylinder (15), the module (19) is provided with a guide column (27) located between a plurality of movable grooves (25), the guide column (27) is in sliding fit with the pressing block (29) and one end can extend into the guide cylinder (15) and the guide hole (24).

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