1. A device for disassembling a bearing is characterized in that: the device comprises an upper cover plate (1), open slots are formed in two ends of the upper cover plate (1), supporting columns (2) are fixedly mounted in the open slots, a boss is arranged at the center of the bottom of the upper cover plate (1), a mounting hole is formed in the boss, an upper lifting ring block (4) is fixed at the bottom of the upper cover plate (1), the upper lifting ring block (4) is axially and symmetrically distributed on the boss at the center of the bottom, an upper pressing plate (8) is arranged under the upper cover plate (1), two ends of the upper pressing plate (8) are in sliding fit with the supporting columns (2), a height adjusting device is arranged on the upper pressing plate (8), the top end of the height adjusting device is matched with a mounting hole of the boss, a lower lifting ring block (5) is further arranged on the upper pressing plate (8), the lower lifting ring block (5) is vertically aligned with the upper lifting ring block (4), and a tension spring (3) is hung between the upper lifting ring block (4) and the lower lifting ring block (5), the improved spindle device is characterized in that a top rod (82) is arranged at the center of the bottom of the upper pressing plate (8), a spindle (9) is pressed under the top rod (82), a bearing (12) is assembled on the spindle (9), a lower pressing plate (10) is arranged under the bearing (12), adjusting holes (22) uniformly distributed are formed in the supporting column (2), the lower pressing plate (10) is fixed between the supporting column (2) through the adjusting holes (22), a bearing mounting table (11) is arranged on the lower pressing plate (10), the bearing mounting table (11) is fixedly supported with the bearing (12), the spindle (9) penetrates through the bearing mounting table (11) and the lower pressing plate (10), a spindle box (14) is arranged under the spindle (9), a bottom plate (16) is arranged at the bottom of the spindle box (14), and the two ends of the bottom plate (16) are fixedly welded with the bottoms of the supporting column (2).

2. A device for dismounting a bearing according to claim 1, wherein: the height adjusting device comprises a jack (6), the top of the jack (6) is matched with the mounting hole of the boss, a rocker (7) is mounted on the jack (6), the chassis of the jack (6) is fixed on an upper pressure plate (8) through a bolt, a positioning table is arranged on the upper pressure plate (8), a positioning groove (81) is arranged in the positioning table, and the positioning groove (81) is tightly matched with the chassis of the jack (6).

3. A device for dismounting a bearing according to claim 2, wherein: the utility model discloses a support column, including top board (8), top board (8) both ends are equipped with the open slot, all be equipped with roller groove (84) on the two slot surfaces of open slot, install pivot (86) in roller groove (84), be equipped with gyro wheel (85) on pivot (86), top board (8) are through gyro wheel (85) vertical slip on support column (2).

4. A device for dismounting a bearing according to claim 1, wherein: and a rubber block (83) is fixed at the bottom of the ejector rod (82).

5. A device for dismounting a bearing according to claim 1, wherein: bearing mount table (11) wholly is the ring type, bearing mount table (11) excircle face is equipped with a plurality of screw holes of equalling divide equally, threaded hole is equipped with adjusting bolt, bearing mount table (11) internal diameter is greater than bearing (12) external diameter of commonly used, bearing mount table (11) are equipped with the centre bore, the centre bore runs through holding down plate (10), centre bore and main shaft (9) clearance fit.

6. A device for dismounting a bearing according to claim 5, wherein: holding down plate (10) both ends are equipped with the open slot, holding down plate (10) openly are equipped with the through-hole, the through-hole runs through the open slot perpendicularly, open slot and support column (2) sliding fit, the through-hole on holding down plate (10) is unanimous with regulation hole (22) diameter of support column (2), be equipped with adjusting screw (13) in regulation hole (22), fix holding down plate (10) on support column (2) through adjusting screw (13) and nut.

7. A device for dismounting a bearing according to claim 1, wherein: main shaft (9) box is equipped with positive opening and oblique opening, positive opening and oblique opening are all just to main shaft (9) bottom, main shaft (9) box both sides are equipped with set-square (15), main shaft (9) box passes through set-square (15) and bottom plate (16) welded fastening.

8. An apparatus for removing a bearing as defined in claim 7, wherein: the novel support plate is characterized in that the base plate (16) is integrally I-shaped, reinforcing blocks (19) are welded at a plurality of right angles on the inner side of the base plate (16), supporting foot casters (17) are arranged at the front end of the base plate (16), and adjusting supporting feet (18) are arranged at the rear end of the base plate (16).

9. A device for dismounting a bearing according to claim 1, wherein: the operation method of the device for disassembling the bearing comprises the following steps:

step one, inserting a main shaft (9) with a bearing (12) into a bearing mounting table (11) on a lower pressing plate (10), adjusting bolts in all directions on the bearing mounting table (11) until the bearing (12) and the main shaft (9) on the bearing (12) are fixed in the bearing mounting table (11), observing the distance between the main shaft (9) and an ejector rod (82), adjusting the lower pressing plate (10) up and down until the main shaft (9) can bear a little pressure of the ejector rod (82), screwing an adjusting screw (13) and keeping the stability of the lower pressing plate (10);

step two, adjust the height of regulation stabilizer blade (18) and the supporting legs truckle (17) of bottom, guarantee the level stability of whole device, personnel rely on support column (2) with one hand, rocker (7) is slowly shaken to the other hand, slowly ejecting jack (6), observe top board (8) downstream, it is ejecting from bearing (12) until ejector pin (82) with main shaft (9), main shaft (9) can fall in main shaft box (14), personnel loosen the adjusting bolt of bearing mount table (11), take out bearing (12), take out main shaft (9) from the bevel connection department of main shaft box (14) again, next work of dismantling bearing (12) is carried out next.

Background

At present, workshop processing equipment is because operating time is of a specified duration, the phenomenon of the ageing damage of main shaft often can appear, the workman need change new main shaft, but generally be equipped with the bearing on the main shaft, workman must dismantle the main shaft that changes again with the epaxial bearing before changing the main shaft, usually the workman can beat with hammer and kicking block combination, take out the bearing, it is inconvenient not only to dismantle the bearing, and more difficult when dismantling when some fan rotor dismantles, influence efficiency, the damage risk that still can increase the main shaft occasionally.

Disclosure of Invention

In view of the above situation, an object of the present invention is to provide a device for dismounting a bearing, which has the advantages of easy and labor-saving operation, less damage to the bearing and the spindle, improved dismounting efficiency, reduced time consumption for dismounting, indirect protection of the safety of the operator, and less damage to the hand.

The technical purpose of the invention is realized by the following technical scheme: a device for disassembling a bearing comprises an upper cover plate, wherein open grooves are formed in two ends of the upper cover plate, support columns are fixedly installed in the open grooves, a boss is arranged in the center of the bottom of the upper cover plate, a mounting hole is formed in the boss, an upper lifting ring block is fixed at the bottom of the upper cover plate and is axially and symmetrically distributed on the boss at the center of the bottom, an upper pressing plate is arranged under the upper cover plate, two ends of the upper pressing plate are in sliding fit with the support columns, a height adjusting device is arranged on the upper pressing plate, the top end of the height adjusting device is matched with a mounting hole of the boss, a lower lifting ring block is further arranged on the upper pressing plate and is vertically aligned with the upper lifting ring block, an extension spring is hung between the upper lifting ring block and the lower lifting ring block, an ejector rod is arranged in the center of the bottom of the upper pressing plate, a main shaft is pressed under the ejector rod, and the main shaft is provided with a bearing, the bearing below is equipped with the holding down plate, be equipped with the regulation hole of a plurality of equipartitions on the support column, the holding down plate passes through the regulation hole to be fixed between the support column, be equipped with the bearing mount table on the holding down plate, the bearing mount table is fixed with the bearing support, the main shaft passes bearing mount table and holding down plate, be equipped with the headstock under the main shaft, the headstock bottom is equipped with the bottom plate, both ends and support column bottom welded fastening on the bottom plate.

By adopting the technical scheme, the height adjusting device can drive the upper pressing plate to move up and down, so that the main shaft is ejected out, the upper pressing plate can be lifted up through the extension spring to keep the stability of the upper pressing plate, a damping effect can be provided in the pressing process, and the pressing stability is improved; the holding down plate also can be through adjusting the hole height-adjusting, and the main shaft after being dismantled can be collected in the setting of headstock, has protected the main shaft better, avoids direct and ground contact to cause the damage.

Further setting: the height adjusting device comprises a jack, the top head of the jack is matched with the mounting port of the boss, a rocker is mounted on the jack, the chassis of the jack is fixed on the upper pressing plate through bolts, a positioning table is arranged on the upper pressing plate, a positioning groove is formed in the positioning table, and the positioning groove is tightly matched with the chassis of the jack.

By adopting the technical scheme, the combination of the jack and the rocker is more suitable for the operation of operators, all processes are controlled by the operators, any problem can be stopped in time, the operation is simple and labor-saving, and the disassembly efficiency is improved; the jack can be better protected to the setting of constant head tank, stabilizes the position of jack.

Further setting: the utility model discloses a support column, including top board, support column, pivot, top board, bottom board, top board both ends are equipped with the open slot, all be equipped with the gyro wheel groove on the two slot surfaces of open slot, the pivot is installed to the gyro wheel inslot, be equipped with the gyro wheel in the pivot, the top board passes through the gyro wheel and slides perpendicularly on the support column.

Through adopting above-mentioned technical scheme, the setting of gyro wheel can reduce the friction of top board and support column for the top board can be smooth and easy carry out vertical motion, indirect reduction personnel's application of force for the ejecting time of main shaft.

Further setting: and a rubber block is fixed at the bottom of the ejector rod.

Through adopting above-mentioned technical scheme, the rubber block setting can be effectual less with the collision of main shaft end at the ejector pin bottom to the overall quality of main shaft is guaranteed to the bigger degree, reduces the loss of material.

Further setting: the whole ring type that is of bearing mount table, the outer disc of bearing mount table is equipped with a plurality of screw holes of equalling divide equally, threaded hole is equipped with adjusting bolt, bearing mount table internal diameter is greater than the bearing external diameter commonly used, the bearing mount table is equipped with the centre bore, the centre bore runs through the holding down plate, centre bore and main shaft clearance fit.

Through adopting above-mentioned technical scheme, bearing can be fixed in the setting of bearing mount table, because the outer disc of bearing mount table is equipped with the screw hole of equalling divide, and the centre gripping through adjusting bolt is fixed, can fix the bearing commonly used of different specifications, and this structure is with the appearance structure simplification of multi-jaw chuck, reaches centre gripping fixed bearing's function.

Further setting: the utility model discloses a support column, including holding down plate, support column, through-hole, regulation hole, adjusting screw, lower clamp plate both ends are equipped with the open slot, the holding down plate openly is equipped with the through-hole, the through-hole runs through the open slot perpendicularly, open slot and support column sliding fit, the through-hole on the holding down plate is unanimous with the regulation hole diameter of support column, be equipped with adjusting screw in the regulation hole, fix the holding down plate on the support column through adjusting screw and nut.

Through adopting above-mentioned technical scheme, the lower pressure plate passes through adjusting hole height-adjusting, utilizes adjusting screw to fix, has strengthened the flexibility of device, can carry out effectual regulation according to the main shaft of reality.

Further setting: the main shaft box is provided with a positive opening and an oblique opening, the positive opening and the oblique opening are both right opposite to the bottom of the main shaft, the two sides of the main shaft box are provided with triangular plates, and the main shaft box is welded and fixed with the bottom plate through the triangular plates.

Through adopting above-mentioned technical scheme, the headstock is equipped with positive opening and oblique opening, and positive opening is equivalent to the blanking mouth, and oblique opening is equivalent to the discharge gate, utilizes the main shaft that takes out that oblique opening personnel can be very easily, does not need personnel to catch the main shaft with bare-handed, has protected personnel's self safety, has humanized design.

Further setting: the whole I-shaped that is of bottom plate, all welded the reinforcement piece in a plurality of right angles department of bottom plate inboard, the bottom plate front end is equipped with the supporting legs truckle, the bottom plate rear end is equipped with the regulation stabilizer blade.

Through adopting above-mentioned technical scheme, the bottom plate adopts the I shape to have fine stability and economize the material, and the setting of supporting legs truckle not only can play the supporting role, can also utilize the truckle to remove whole device to new position, and the regulation stabilizer blade of rear end plays the supporting fixed action equally, strengthens the stability of device.

The operation method of the device for disassembling the bearing comprises the following steps:

step one, inserting a main shaft with a bearing into a bearing mounting table on a lower pressing plate, adjusting bolts in all directions on the bearing mounting table until the bearing and the main shaft on the bearing are fixed in the bearing mounting table, observing the distance between the main shaft and an ejector rod, adjusting the lower pressing plate up and down until the main shaft can bear a little pressure of the ejector rod, screwing an adjusting screw rod, and keeping the stability of the lower pressing plate;

and step two, adjusting the heights of the adjusting support legs at the bottom and the caster wheels of the supporting legs, ensuring the level stability of the whole device, enabling a person to rely on the supporting column with one hand, slowly shaking the rocker with the other hand, slowly ejecting the jack, observing the downward movement of the upper pressing plate until the main shaft is ejected out of the bearing by the ejector rod, enabling the main shaft to fall into the main shaft box, loosening the adjusting bolt of the bearing mounting table by the person, taking out the bearing, taking out the main shaft from the bevel opening of the main shaft box, and then performing the next work of disassembling the bearing.

In summary, the invention has the following advantages: overall structure can be so that operation personnel convenient operation is laborsaving, not fragile bearing and main shaft improve and dismantle efficiency, avoid spending a large amount of time in dismantling, also indirect protection operation personnel's self safety is difficult for hindering the hand.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, and are not to be considered limiting of the invention, in which:

fig. 1 is a front view of the present invention.

Fig. 2 is an isometric view of the present invention.

Fig. 3 is a left side view of the present invention.

Fig. 4 is a partially enlarged view of the present invention.

In the figure, 1, an upper cover plate; 2. a support pillar; 3. an extension spring; 4. an upper hoisting ring block; 5. a lower hoisting ring block; 6. a jack; 7. a rocker; 8. an upper pressure plate; 9. a main shaft; 10. a lower pressing plate; 11. a bearing mounting table; 12. a bearing; 13. adjusting the screw rod; 14. a spindle case; 15. a set square; 16. a base plate; 17. supporting foot casters; 18. adjusting the support legs; 19. a reinforcing block; 22. an adjustment hole; 81. positioning a groove; 82. a top rod; 83. a rubber block; 84. a roller groove; 85. a roller; 86. a rotating shaft.

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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a dismantle device of bearing, including upper cover plate 1, 1 both ends of upper cover plate are equipped with the open slot, there is support column 2 through bolt fixed mounting in the open slot, 1 bottom center of upper cover plate is equipped with the boss, be equipped with the mounting hole in the boss, 1 bottom of upper cover plate is fixed with upper ring piece 4, upper ring piece 4 is axisymmetric distribution with the boss at bottom center, be equipped with top board 8 under 1 upper cover plate, 8 both ends of top board and 2 sliding fit of support column, be equipped with high adjusting device on top board 8, high adjusting device includes jack 6, the top of jack 6 cooperates with the installing port of boss, install rocker 7 on jack 6, the chassis of jack 6 passes through the bolt fastening on top board 8, be equipped with the locating platform on top board 8, be equipped with constant head tank 81 in the locating platform, constant head tank 81 closely cooperates with jack 6 chassis.

The upper pressure plate 8 is also provided with a lower hoisting ring block 5, the lower hoisting ring block 5 is vertically aligned with the upper hoisting ring block 4, an extension spring 3 is hung between the upper hoisting ring block 4 and the lower hoisting ring block 5, two ends of the upper pressure plate 8 are provided with open slots, two slot surfaces of the open slots are respectively provided with a roller groove 84, a rotating shaft 86 is installed in the roller groove 84, a roller 85 is assembled on the rotating shaft 86, the upper pressure plate 8 vertically slides on the support column 2 through the roller 85, the center of the bottom of the upper pressure plate 8 is provided with a mandril 82, the bottom of the mandril 82 is fixed with a rubber block 83, a main shaft 9 is pressed under the rubber block 83, a bearing 12 is assembled on the main shaft 9, a lower pressure plate 10 is arranged under the bearing 12, a plurality of uniformly distributed adjusting holes 22 are arranged on the support column 2, the lower pressure plate 10 is fixed between the support columns 2 through the adjusting holes 22, a bearing mounting table 11 is arranged on the lower pressure plate 10, the bearing mounting table 11 is integrally annular, a plurality of uniformly distributed threaded holes are arranged on the outer circular surface of the bearing mounting table 11, threaded hole is equipped with adjusting bolt, 11 internal diameters of bearing mount table are greater than bearing 12 external diameters commonly used, bearing mount table 11 is equipped with the centre bore, the centre bore runs through holding down plate 10, centre bore and 9 clearance fit of main shaft, holding down plate 10 both ends are equipped with the open slot, holding down plate 10 openly is equipped with the through-hole, the open slot is run through perpendicularly to the through-hole, open slot and support column 2 sliding fit, the through-hole on the holding down plate 10 is unanimous with the regulation hole 22 diameter of support column 2, be equipped with adjusting screw 13 in the regulation hole 22, fix holding down plate 10 on support column 2 through adjusting screw 13 and nut.

A spindle box 14 is arranged under the spindle 9, a main shaft 9 box is provided with a front opening and an inclined opening, the front opening and the inclined opening are all right opposite to the bottom of the spindle 9, triangular plates 15 are arranged on two sides of the main shaft 9 box, the main shaft 9 box is welded and fixed with a bottom plate 16 through the triangular plates 15, the bottom plate 16 is integrally I-shaped, reinforcing blocks 19 are welded at a plurality of right angles in the inner side of the bottom plate 16, supporting foot casters 17 are arranged at the front end of the bottom plate 16, and adjusting supporting feet 18 are arranged at the rear end of the bottom plate 16.

The operation method of the device for disassembling the bearing comprises the following steps:

step one, inserting a main shaft 9 with a bearing 12 into a bearing mounting table 11 on a lower pressing plate 10, adjusting bolts in all directions on the bearing mounting table 11 until the bearing 12 and the main shaft 9 on the bearing 12 are fixed in the bearing mounting table 11, observing the distance between the main shaft 9 and an ejector rod 82, adjusting the lower pressing plate 10 up and down until the main shaft 9 can bear a little pressure of the ejector rod 82, screwing an adjusting screw 13, and keeping the stability of the lower pressing plate 10;

and step two, adjusting the heights of the adjusting support legs 18 at the bottom and the supporting leg caster wheels 17 to ensure the level stability of the whole device, enabling a person to rely on the supporting column 2 with one hand and slowly shake the rocker 7 with the other hand to slowly eject the jack 6, observing the downward movement of the upper pressing plate 8 until the ejector rod 82 ejects the spindle 9 out of the bearing 12, enabling the spindle 9 to fall into the spindle box 14, loosening the adjusting bolt of the bearing mounting table 11 by the person, taking out the bearing 12, taking out the spindle 9 from the bevel opening of the spindle box 14, and then carrying out the next work of disassembling the bearing 12.

The present invention has been described in further detail with reference to the embodiments, and it is not to be construed that the embodiments are limited thereto; for those skilled in the art to which the present invention pertains and related technologies, the extension, operation method and data replacement should fall within the protection scope of the present invention based on the technical solution of the present invention.