CN216764997U

CN216764997U - Heat treatment device for shaft sleeve of cross-shaped shaft universal joint

Info

Publication number: CN216764997U
Application number: CN202220506290.7U
Authority: CN
Inventors: 朱伟良; 朱凯楠
Original assignee: Hangzhou Lvhe Auto Parts Co ltd
Current assignee: Hangzhou Lvhe Auto Parts Co ltd
Priority date: 2022-03-08
Filing date: 2022-03-08
Publication date: 2022-06-17
Anticipated expiration: 2032-03-08

Abstract

The utility model discloses a heat treatment device for a shaft sleeve of a universal joint of a cross shaft, which comprises a base, wherein a first support column is arranged on the base, a rotatable gear plate is arranged at the top end of the first support column, a first motor is arranged on one side of the gear plate, the first motor is provided with a first gear meshed with the gear plate, a second support column is fixed at the top of the gear plate, a working turntable is fixed at the top end of the second support column, double gears are fixed on the second support column, a second motor is fixed at the top of the gear plate, a second gear is fixed on an output shaft of the second motor, a plurality of groups of vertical pipes are arranged on the working turntable, and third gears meshed with the upper gears of the double gears are fixed at the bottom ends of the vertical pipes. Has the beneficial effects that: the shaft sleeve can rotate while quenching, so that quenching is more uniform, and the quenching quality is higher; when the shaft sleeve is quenched, other stations can perform operations of the upper shaft sleeve and the lower shaft sleeve, so that the interval time between the upper shaft sleeve and the lower shaft sleeve is shortened, and the efficiency is improved; the antiskid semi-arc gasket can extrude the fixed shaft sleeve under the action of the thrust spring to prevent loosening.

Description

Heat treatment device for shaft sleeve of cross-shaped shaft universal joint

Technical Field

The utility model belongs to the technical field of shaft sleeve heat treatment, and particularly relates to a heat treatment device for a shaft sleeve of a cross-pin universal joint.

Background

The universal joint comprises a universal joint and a shaft sleeve arranged on the universal joint, wherein a plurality of rolling needles are usually arranged on the inner side wall of the shaft sleeve and are in rolling connection with the outer side wall of the shaft head of the universal joint, the shaft sleeve is sleeved on the shaft head to rotate through the rolling of the rolling needles, and gaps among the plurality of rolling needles are used for storing lubricating oil to facilitate the rotation of the shaft sleeve.

The shaft sleeve needs to be quenched during manufacturing, the shaft sleeve is generally sleeved on the shaft rod one by one for quenching at present, and the shaft rod is fixedly arranged, so that quenching is easy to be uneven, and the quenching quality is influenced; and the shaft sleeve is unstable in fixation on the shaft rod and is easy to loosen and fall off under the impact of cooling liquid.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a heat treatment device for a shaft sleeve of a universal joint pin, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a heat treatment device for a shaft sleeve of a cross shaft universal joint comprises a base, wherein a first support column is fixedly mounted in the middle of the base, a rotatable gear plate is mounted at the top end of the first support column through a first bearing, an upward first motor is arranged on one side of the gear plate, a first gear meshed with gear teeth on the outer side of the gear plate is mounted on an output shaft of the first motor, a second support column is fixed at the top of the gear plate, a working turntable is fixed at the top end of the second support column through a second bearing, a double gear below the working turntable is fixed on the second support column, a second motor is fixed on one side of the top surface of the gear plate, a second gear is fixed on an output shaft of the second motor, the second gear is meshed with a lower gear of the double gear, a plurality of vertical pipes are mounted on the working turntable through a third bearing around the center, and a third gear is fixed at the bottom end of each vertical pipe, the third gear is meshed with the upper gear of the double gears, and a placing seat is arranged at the top end of the vertical pipe.

Preferably, four corners of the bottom surface of the base are fixed with anti-skidding damping cushion blocks.

Preferably, the first supporting column and the joint of the base and the second supporting column and the joint of the gear plate are provided with reinforcing ribs.

Preferably, the first motor and the second motor are both provided with a fixing frame.

Preferably, the upper gear and the lower gear of the double gear are integrally formed.

Preferably, spacing hole has been seted up relatively to standpipe top both sides, and all is equipped with the connecting rod that can lateral sliding in spacing hole, the connecting rod is located one end in the standpipe is equipped with the installation department, and two fixed mounting has thrust spring between the installation department, the other end of connecting rod is fixed with anti-skidding semi-arc gasket.

Preferably, the vertical pipes are equally divided into four groups around the center on the working turntable.

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

1. the shaft sleeve can rotate while quenching, so that quenching is more uniform, and the quenching quality is higher.

2. When the shaft sleeve is quenched, other stations can carry out operations of the upper shaft sleeve and the lower shaft sleeve, so that the interval time between the upper shaft sleeve and the lower shaft sleeve is shortened, and the efficiency is improved.

3. The antiskid semi-arc gasket can extrude the fixed shaft sleeve under the action of the thrust spring to prevent loosening.

Drawings

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

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic view of the structure of the standpipe, the connecting rod, the mounting portion, the thrust spring and the anti-slip semi-arc gasket according to the present invention.

In the figure: 1. a base; 2. a first support column; 3. a first bearing; 4. a gear plate; 5. a first motor; 6. a first gear; 7. a second support column; 8. a second bearing; 9. a working turntable; 10. a double gear; 11. a second motor; 12. a second gear; 13. a third bearing; 14. a vertical tube; 15. a third gear; 16. a placing seat; 17. an anti-skid shock-absorbing cushion block; 18. reinforcing ribs; 19. a fixed mount; 20. a connecting rod; 21. an installation part; 22. a thrust spring; 23. antiskid half arc gasket.

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.

Example 1: referring to fig. 1-3, the present invention provides a technical solution: a heat treatment device for a shaft sleeve of a universal joint of a cross shaft comprises a base 1, wherein a first support column 2 is fixedly arranged in the middle of the base 1, a rotatable gear plate 4 is arranged at the top end of the first support column 2 through a first bearing 3, a first motor 5 facing upwards is arranged on one side of the gear plate 4, and a first gear 6 meshed with gear teeth on the outer side of the gear plate 4 is arranged on an output shaft of the first motor 5, so that the gear plate 4 can be driven to rotate by the first motor 5; a second supporting column 7 is fixed to the top of the gear plate 4, a working turntable 9 is fixed to the top of the second supporting column 7 through a second bearing 8, double gears 10 located below the working turntable 9 are fixed to the second supporting column 7, a second motor 11 is fixed to one side of the top surface of the gear plate 4, a second gear 12 is fixed to an output shaft of the second motor 11, the second gear 12 is meshed with lower gears of the double gears 10, multiple sets of vertical pipes 14 are arranged around the center of the working turntable 9 through third bearings 13, third gears 15 are fixed to the bottom ends of the vertical pipes 14, the third gears 15 are meshed with upper gears of the double gears 10, a placing seat 16 is arranged at the top ends of the vertical pipes 14, and when quenching is performed, the second motor 11 is started to drive the second gears 12 to rotate, the double gears 10 are driven to rotate, and the third gears 15 are further driven, The vertical pipe 14 rotates, so that the shaft sleeve can rotate while quenching, quenching is more uniform, and quenching quality is higher.

Specifically, four corners of the bottom surface of the base 1 are respectively fixed with an antiskid damping cushion block 17; in the embodiment, the vibration of the whole device in the heat treatment process can be reduced, and the heat treatment processing precision is further improved.

Specifically, reinforcing ribs 18 are arranged at the joint of the first support column 2 and the base 1 and the joint of the second support column 7 and the gear plate 4; in this embodiment, the stability of the joint between the base 1 and the first support column 2 can be effectively improved.

Specifically, the first motor 5 and the second motor 11 are both provided with a fixing frame 19; in the present embodiment, the stability of the first motor 5 and the second motor 11 can be improved.

Specifically, the upper and lower gears of the double gear 10 are integrally formed; in the embodiment, the double gears 10 can be conveniently processed and manufactured, the efficiency is high, and the connection of the two gears is more stable.

Specifically, two sides of the top of the vertical pipe 14 are oppositely provided with limiting holes, connecting rods 20 capable of sliding transversely are arranged in the limiting holes, one end of each connecting rod 20, which is positioned in the vertical pipe 14, is provided with an installation part 21, a thrust spring 22 is fixedly arranged between the two installation parts 21, and the other end of each connecting rod 20 is fixedly provided with an anti-skidding semi-arc gasket 23; in this embodiment, the sleeves are sleeved on the right standpipe 14, and the anti-slip semi-arc gaskets 23 are pressed inward during the process, and then the sleeves are sleeved, so that the anti-slip semi-arc gaskets 23 can press and fix the sleeves under the action of the thrust springs 22, and the sleeves are prevented from loosening.

Specifically, four sets of the vertical pipes 14 are equally arranged on the working turntable 9 around the center; in this embodiment, the circulation work of multistation of being convenient for the axle sleeve moves to the processing department and carries out quenching treatment, can go on axle sleeve and lower axle sleeve operation in other surplus stations simultaneously, reduces upper and lower axle sleeve interval time, raises the efficiency.

For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.

The working principle is as follows: when the shaft sleeve is quenched, the shaft sleeve is sleeved on the right vertical pipe 14 and the placing seat 16 respectively, the anti-skid semi-arc gaskets 23 need to be pressed inwards in the process, then the shaft sleeve is sleeved, and the anti-skid semi-arc gaskets 23 can extrude and fix the shaft sleeve under the action of the thrust spring 22 to prevent loosening; then the first motor 5 drives the gear disc 4 to rotate, and further drives the upper mechanism of the gear disc 4 to integrally rotate until the shaft sleeve is moved to a processing position for quenching treatment, and meanwhile, the upper shaft sleeve and the lower shaft sleeve can be operated at other rest stations, so that the interval time between the upper shaft sleeve and the lower shaft sleeve is reduced, and the efficiency is improved; and during quenching, the second motor 11 is started to drive the second gear 12 to rotate, so as to drive the double gears 10 to rotate, and further drive the third gear 15 and the vertical pipe 14 to rotate, so that the shaft sleeve can rotate while quenching is carried out, the quenching is more uniform, and the quenching quality is higher.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The heat treatment device for the shaft sleeve of the universal joint of the cross shaft is characterized by comprising a base (1), wherein a first support column (2) is fixedly arranged in the middle of the base (1), a rotatable gear plate (4) is arranged on the top end of the first support column (2) through a first bearing (3), a first motor (5) facing upwards is arranged on one side of the gear plate (4), a first gear (6) meshed with gear teeth on the outer side of the gear plate (4) is mounted on an output shaft of the first motor (5), a second support column (7) is fixed at the top of the gear plate (4), a working turntable (9) is fixed on the top end of the second support column (7) through a second bearing (8), a double gear (10) located below the working turntable (9) is fixed on the second support column (7), a second motor (11) is fixed on one side of the top surface of the gear plate (4), a second gear (12) is fixed on an output shaft of the second motor (11), the second gear (12) is meshed with a lower gear of the double gears (10), a plurality of sets of vertical pipes (14) are arranged around the center of the working turntable (9) through third bearings (13), third gears (15) are fixed at the bottom ends of the vertical pipes (14), the third gears (15) are meshed with upper gears of the double gears (10), and a placing seat (16) is arranged at the top ends of the vertical pipes (14).

2. The heat treatment device for the shaft sleeve of the universal joint cross shaft as claimed in claim 1, wherein four corners of the bottom surface of the base (1) are fixed with anti-skid damping cushion blocks (17).

3. The heat treatment device for the shaft sleeve of the universal joint of the cross shaft as claimed in claim 1, wherein reinforcing ribs (18) are mounted at the joint of the first support column (2) and the base (1) and the joint of the second support column (7) and the gear plate (4).

4. The heat treatment device for the cross-pin universal joint shaft sleeve as claimed in claim 1, wherein a fixing frame (19) is mounted on each of the first motor (5) and the second motor (11).

5. The heat treatment device for the universal joint pin bushing of claim 1, wherein the upper gear and the lower gear of the double gear (10) are integrally formed.

6. The heat treatment device for the shaft sleeve of the universal joint of the cross shaft as claimed in claim 1, wherein two sides of the top of the vertical pipe (14) are oppositely provided with limiting holes, and each limiting hole is internally provided with a connecting rod (20) capable of sliding transversely, one end of each connecting rod (20) located in the vertical pipe (14) is provided with an installation part (21), a thrust spring (22) is fixedly installed between the installation parts (21), and the other end of each connecting rod (20) is fixed with an anti-skidding semi-arc gasket (23).

7. The heat treatment device for the universal joint bush of claim 1, characterized in that the risers (14) are arranged in four groups in equal parts around the center on the working turret (9).