CN214978985U

CN214978985U - Precision bearing pressing device capable of increasing heat dissipation rate

Info

Publication number: CN214978985U
Application number: CN202121389188.5U
Authority: CN
Inventors: 华黎明; 王凯贤; 陈群; 王迅
Original assignee: Anhui Rzn Bearing Co ltd
Current assignee: Anhui Rzn Bearing Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2021-12-03
Anticipated expiration: 2031-06-22

Abstract

The utility model discloses a precision bearing pressing device capable of increasing the heat dissipation rate, which relates to the technical field of bearing pressing, and comprises a table body, wherein a supporting plate is arranged above the inner side surface of the table body, a telescopic column for pressing is arranged below the supporting plate, a clamp for fixing a clamping shaft is arranged below the telescopic column, a sliding block capable of sliding up and down in the table body is arranged inside the table body, an elastic mechanism for supporting the sliding block is arranged below the sliding block, two stirring plates for stirring, positioning and heating a rear bearing are slidably arranged above the sliding block, a sliding mechanism is arranged at the joint of the sliding block and the stirring plates, an air blowing port is arranged above the table body, fan blades are arranged inside the table body, and the problem that the conventional pressing device can only manually align the inner ring of the bearing with one end of the shaft and can not automatically align the inner ring of the bearing, and the problem that the existing pressing device can not radiate the bearing after overheating treatment is solved.

Description

Precision bearing pressing device capable of increasing heat dissipation rate

Technical Field

The utility model relates to a bearing pressfitting technical field specifically is can increase rate of heat dissipation's precision bearing compression fittings.

Background

Bearing installation must cup joint the bearing inner race and install epaxial, the bearing is mostly interference fit with the axle, generally adopt cold installation, hot installation, the oiling method, walk the inner circle, it installs to walk methods such as outer lane, when adopting hot installation, bearing inner race grow after through the heating, the inner circle diameter is greater than the external diameter of axle, can make the bearing easily cup joint the pressfitting epaxial, but current compression fittings can only manually align bearing inner race and the one end of axle, can't accomplish automatic alignment, and current compression fittings can't dispel the heat to the bearing after carrying out overheat treatment, for solving the above-mentioned problem, the precision bearing compression fittings that can increase rate of heat dissipation now is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can increase rate of heat dissipation's precision bearing compression fittings to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a precise bearing pressing device capable of increasing the heat dissipation rate comprises a platform body of the pressing device, wherein the platform body is arranged in an L shape, a supporting plate is arranged above the inner side surface of the platform body, a telescopic column for pressing is arranged below the supporting plate, a clamp for fixing a clamping shaft is arranged below the telescopic column, a sliding block capable of sliding up and down in the platform body is arranged inside the platform body, the sliding block is aligned with the clamp up and down, an elastic mechanism for supporting the sliding block is arranged below the sliding block, two stirring plates for stirring, positioning and heating the rear bearing are slidably arranged above the sliding block, the bearing is sleeved and arranged on the stirring plates, a sliding mechanism facilitating the sliding of the stirring plates is arranged at the joint of the sliding block and the stirring plates, a plurality of air blowing ports for dissipating heat of the heating bearing are formed above the platform body, fan blades for blowing air are arranged inside the platform body, and are aligned with the air blowing ports, the bearing sleeve is on two stirring boards, and stirring board removes to the sliding block both ends in step, can fix a position the bearing, and flexible post extension makes the axle of fixing on anchor clamps be close to the bearing, and the installation is accomplished the back flabellum operation, accelerates the air flow through the mouth of blowing, takes away the heat of bearing.

Preferably, the sliding mechanism comprises a screw rod used for moving the shifting plates and a first motor used for driving the screw rod, the first motor is a double-head motor, the screw rod is arranged on output shafts at two ends of the first motor, the two shifting plates are respectively arranged on the screw rod, two ends of the double-head motor synchronously rotate to further drive the two screw rods to synchronously operate, and the two shifting plates are enabled to be close to or far away from each other.

Preferably, the sliding mechanism comprises a gear for moving the toggling plates and two racks engaged with the gear, the number of the gears is two or more, the number of the gears is plural, the gear is engaged with the adjacent gear, the two toggling plates are respectively installed on the two racks, the number of the gears is plural, the left and right gears are the same, and the left and right gears rotate relatively, so that the two toggling plates are close to or far away from each other.

Preferably, the elastic mechanism is provided as a spring for springing up the support slider, and the spring supports the slider and presses the spring to move the slider downward when the shaft is pressed into the bearing inner race.

Preferably, the elastic mechanism is an air pressure telescopic rod used for extending and supporting the sliding block, the air pressure telescopic rod supports the sliding block, and after the shaft is pressed into the bearing inner ring, the air pressure telescopic rod can be pressed to enable the sliding block to move downwards.

Preferably, the pivot is installed in the internal rotation of stage body, and flabellum fixed mounting is in the pivot, and the stage body is inside to be provided with the second motor that is used for rotating the pivot, and the output shaft and the pivot of second motor pass through belt transmission to be connected, and the motor operation can drive the pivot through the belt and rotate, and the pivot rotates and then drives the flabellum and rotate, and the flabellum rotates and can stir the air current, blows off gas from the mouth of blowing.

Preferably, the air inlet that is used for the air inlet is seted up to the below of stage body, and the air inlet aligns from top to bottom with the flabellum, and the air exchange inside and outside the stage body is made things convenient for to the air inlet, and the better heat that the bearing was taken away to messenger's flabellum.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses, align from top to bottom through sliding block and anchor clamps, the below of sliding block is provided with the elastic mechanism who is used for supporting the sliding block, sliding block top slidable mounting has two and is used for stirring the stirring board of location heating back bearing, the bearing cup joints and installs on stirring the board, the sliding block is provided with the gliding sliding mechanism bearing housing of convenient stirring board with stirring the board in the junction on two stirring boards, stirring the board removes to the sliding block both ends in step, can fix a position the bearing, flexible post extension makes the axle of fixing on anchor clamps be close to the bearing and has solved, current compression fittings can only manually align bearing inner race and the one end of axle, the problem of accomplishing automatic alignment can't.

The utility model discloses, set up a plurality of mouths of blowing that are used for carrying out the heat dissipation to heating bearing through the top of stage body, the inside flabellum that is used for blowing that is provided with of stage body, the flabellum aligns with the mouth of blowing, and the installation is accomplished back flabellum operation, accelerates the air flow through the mouth of blowing, takes away the heat of bearing, has solved current compression fittings and can't dispel the heat to the bearing after carrying out overheat treatment.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the present invention in a partial cross-sectional view;

FIG. 3 is a schematic structural view of the sliding mechanism of the present invention;

fig. 4 is a schematic structural view of embodiment 2 of the present invention;

fig. 5 is a schematic structural view of embodiment 3 of the present invention.

In the figure: 1. a table body; 2. a support plate; 3. a telescopic column; 31. a clamp; 4. a slider; 41. a poking plate; 42. a sliding mechanism; 43. a screw rod; 44. a first motor; 45. a gear; 46. a rack; 5. a fan blade; 51. a rotating shaft; 52. a second motor; 53. a belt; 6. an elastic mechanism; 7. an air blowing port; 8. and an air inlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-3, the present embodiment provides a precision bearing pressing apparatus capable of increasing a heat dissipation rate, including a table body 1, wherein the table body 1 is L-shaped.

A supporting plate 1 is fixedly arranged above the inner side surface of the table body 1, and the lower end surface of the supporting plate 1 is parallel to the table surface of the table body 1.

The lower part of the supporting plate 1 is fixedly provided with a telescopic column 3, and the telescopic column 3 is used for pressing one end of the shaft into an inner ring of the bearing.

The telescopic column 3 is preferably provided to be hydraulically telescopic, but of course, it is not limited to hydraulic telescopic, and it is also possible to use pneumatic telescopic, as long as one end of the shaft can be pressed into the inner ring of the bearing.

A clamp 31 is fixedly arranged below the telescopic column 3, and the clamp 31 is used for fixing a shaft so that the shaft is kept vertical to the table top of the table body 1.

The jig 31 is preferably a lathe jig, and the jig 31 is used for lathe machining in many cases and is a conventional art.

The table top of the table body 1 is provided with a groove, the inner diameter of the groove is larger than the inner diameter of the bearing and smaller than the outer diameter of the inner ring of the bearing, a sliding block 4 matched with the groove is slidably mounted inside the groove, the sliding block 4 can slide up and down inside the groove, and the bottom of the inner side of the groove is provided with an elastic mechanism 6 used for supporting the sliding block 4.

Two poking plates 41 are installed above the sliding block 4, and the poking plates 41 are used for poking the bearings so that the bearings are aligned with the shaft up and down.

Wherein, two stirring plates 41 are respectively installed at two ends above the sliding block 4, and can slide close to and away from each other, when the stirring plates 41 are close to each other, the heat-treated bearing can be sleeved on the two stirring plates 41, then the stirring plates 41 are synchronously away from each other, and the inner ring of the stirring bearing enables the bearing and the shaft to be aligned up and down.

The elastic means 6 is provided as a spring, and when the shaft is pressed into the heat-treated bearing, the elastic means contacts the toggle plate 41, and further presses the slide block 4 downward by the spring.

A slide mechanism 42 that may move the two dial plates 41 in synchronization with each other is attached to a connecting portion between the slide block 4 and the dial plate 41.

The sliding mechanism 42 includes two lead screws 43, two grooves for sliding the toggle plate 41 are formed above the sliding block 4, the two lead screws 43 are respectively installed in the grooves, a first motor 44 is fixedly installed in the middle of the two grooves, the first motor 44 is preferably a double-head motor, and one end of each of the two lead screws 43 is respectively installed on an output shaft at two ends of the double-head motor.

A thread groove matched with the screw rod 43 is formed below the poking plate 41, and the poking plate 41 is installed on the screw rod 43 through the thread groove.

Because the output shafts at the two ends of the double-head motor rotate synchronously, the two poking plates 41 move synchronously and get close to or get away from synchronously, and the model of the double-head motor is JTO-34.

Because the heated bearing has higher temperature, in order to radiate the heated bearing which is pressed and installed, the table top of the table body 1 is provided with an air blowing opening 7, and the table body 1 is internally and rotatably provided with fan blades 5.

Wherein, flabellum 5 aligns with mouth 7 of blowing, and flabellum 5 is used for driving the air flow, for making the bearing can be better take away the heat by flabellum 5, mouth 7 of blowing has seted up a plurality ofly.

In order to better exchange the gas inside and outside the table body 1 and take away the temperature of the bearing, an air inlet 8 is arranged below the table body 1.

Wherein, air intake 8 and mouth 7 and flabellum 5 of blowing communicate each other, and flabellum 5 rotates and inhales external gas through air intake 8, and rethread blowing mouth 7 is discharged, and the gas contact bearing of exhaust takes away the temperature on the bearing.

In order to better drive the fan blades 5 to rotate, a rotating shaft 51 is arranged inside the table body 1, the rotating shaft 51 is used for rotating inside the table body 1, the fan blades 5 are fixedly installed on the rotating shaft 51, a second motor 52 is fixedly installed inside the table body 1, and the second motor 52 is used for driving the rotating shaft 51 to rotate.

The second motor 52 is preferably a servo motor, and the model is LCDB2, the second motor 52 drives the rotating shaft 51 to rotate through the belt 53, and of course, the transmission mode of the second motor 52 and the rotating shaft 51 is not limited to the belt 53, and may also adopt gear transmission.

Example 2

Referring to fig. 4, the difference from embodiment 1 is:

the slide mechanism 42 includes a gear 45 and a rack 46.

The number of the gears 45 is two or more, and the number is plural, preferably 4.

The number of teeth and the size of the gears 45 are the same, two grooves for sliding the poking plate 41 are formed above the sliding block 4, the gears 45 are respectively installed in the grooves, the plurality of gears 45 form a U shape, the numbers of the gears 45 on the left side and the right side are the same, and the gears 45 are meshed with the adjacent gears 45.

When the gear 45 rotates, the gears 45 on the left and right sides rotate in opposite directions.

Two racks 46 are provided, and are respectively attached below the dial plate 41 with the toothed surface facing downward.

The rack 46 is engaged with a gear 45 higher at both ends, and the gear 45 is preferably driven by a servo motor.

When the gear 45 rotates, the two racks 46 are driven to move closer to or away from each other, and the toggle plate 41 is driven to move closer to or away from each other.

Example 3

Referring to fig. 5, the difference from embodiment 1 is:

the elastic mechanism 6 is a pneumatic telescopic rod, when the shaft is pressed into the bearing after heat treatment, the elastic mechanism contacts with the poking plate 41, and the sliding block 4 can be pressed downwards due to the compression of the gas, and after the shaft is removed or the bearing of the shaft is installed, the pneumatic telescopic rod can rebound, so that the sliding block 4 moves upwards to support the sliding block 4.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Precision bearing compression fittings that can increase rate of heat dissipation, including compression fittings's stage body (1), its characterized in that: the table body (1) is L-shaped, a supporting plate (2) is arranged above the inner side surface of the table body (1), a telescopic column (3) for pressing is arranged below the supporting plate (2), and a clamp (31) for fixing a clamping shaft is arranged below the telescopic column (3);

the heating device is characterized in that a sliding block (4) capable of sliding up and down in the table body (1) is arranged in the table body (1), the sliding block (4) is aligned with a clamp (31) up and down, an elastic mechanism (6) used for supporting the sliding block (4) is arranged below the sliding block (4), two shifting plates (41) used for shifting, positioning and heating a bearing are slidably mounted above the sliding block (4), the bearing is sleeved on the shifting plates (41), and a sliding mechanism (42) convenient for the shifting plates (41) to slide is arranged at the connection part of the sliding block (4) and the shifting plates (41);

a plurality of air blowing openings (7) used for radiating heat of the heating bearing are formed in the upper portion of the table body (1), fan blades (5) used for blowing air are arranged inside the table body (1), and the fan blades (5) are aligned to the air blowing openings (7).

2. The precision bearing bonding apparatus capable of increasing a heat dissipation rate of claim 1, wherein: the sliding mechanism (42) comprises a screw rod (43) used for moving the poking plates (41) and a first motor (44) used for driving the screw rod (43), the first motor (44) is a double-head motor, the screw rod (43) is arranged on output shafts at two ends of the first motor (44), and the two poking plates (41) are respectively arranged on the screw rod (43).

3. The precision bearing bonding apparatus capable of increasing a heat dissipation rate of claim 1, wherein: the sliding mechanism (42) comprises a gear (45) used for moving the poking plates (41) and two racks (46) meshed with the gear (45), the number of the gears (45) is two or more, the number of the gears is plural, the gear (45) is meshed with the adjacent gear (45), and the two poking plates (41) are respectively arranged on the two racks (46).

4. The precision bearing bonding apparatus capable of increasing a heat dissipation rate of claim 1, wherein: the elastic mechanism (6) is arranged as a spring for bouncing up the support sliding block (4).

5. The precision bearing bonding apparatus capable of increasing a heat dissipation rate of claim 1, wherein: the elastic mechanism (6) is an air pressure telescopic rod used for extending the support sliding block (4).

6. The precision bearing bonding apparatus capable of increasing a heat dissipation rate of claim 1, wherein: the inside rotation of stage body (1) installs pivot (51), flabellum (5) fixed mounting is on pivot (51), inside second motor (52) that are used for rotating pivot (51) that are provided with of stage body (1), the output shaft and pivot (51) of second motor (52) pass through belt (53) transmission and are connected.

7. The precision bearing bonding apparatus capable of increasing a heat dissipation rate of claim 6, wherein: an air inlet (8) used for air inlet is formed in the lower portion of the table body (1), and the air inlet (8) is vertically aligned with the fan blades (5).