CN217809591U

CN217809591U - Tempering furnace for bearing processing

Info

Publication number: CN217809591U
Application number: CN202221736857.6U
Authority: CN
Inventors: 李峰
Original assignee: Hangzhou Jingfeng Industry Co ltd
Current assignee: Hangzhou Jingfeng Industry Co ltd
Priority date: 2022-07-07
Filing date: 2022-07-07
Publication date: 2022-11-15
Anticipated expiration: 2032-07-07

Abstract

The utility model provides a tempering furnace is used in bearing processing, the power distribution box comprises a box body, be equipped with the cavity in the box, be equipped with two at least vortex copper rings on the inner wall of cavity, be equipped with the slip disc in the cavity, be equipped with two at least through-holes on the slip disc, every be fixed with the cross on the inner wall of through-hole, the cross is kept away from and is connected with the reference column on the terminal surface on ground. The bearing has the advantages that the bearing enters the U-shaped groove through gas and is blown to the lower surface of the bearing, the upper surface and the lower surface of the bearing are heated uniformly, the brittleness of the bearing is prevented from being increased, the risk that the bearing is broken is avoided, the service life of the bearing processed by the tempering furnace is prolonged, the air in the cavity is extruded through the sliding disc, the intermittent pressurization treatment is carried out on the bearing, the deformation of the bearing after tempering is avoided, and the stability of the bearing processed by the tempering furnace is improved.

Description

Tempering furnace for bearing processing

Technical Field

The utility model belongs to the tempering furnace field especially relates to a tempering furnace is used in bearing processing.

Background

The bearing is an important part in modern mechanical equipment, and the main function of the bearing is to support a mechanical rotating body, reduce the friction coefficient in the movement process of the mechanical rotating body and ensure the rotation precision of the mechanical rotating body.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to prior art not enough, when providing a solution current tempering furnace processing bearing, the bearing is heated inhomogeneous and the problem of tempering deformation.

The utility model discloses a realize above-mentioned purpose, provide following technical scheme, a tempering furnace is used in bearing processing, the power distribution box comprises a box body, be equipped with the cavity in the box, be equipped with two at least vortex copper rings on the inner wall of cavity, be equipped with the slip disc in the cavity, be equipped with two at least through-holes on the slip disc, every be fixed with the cross on the inner wall of through-hole, the cross is kept away from and is connected with the reference column on the terminal surface on ground, the bottom of box is equipped with the drive the power component of slip disc motion, the upper end of box is equipped with the subassembly of blowing, blow the subassembly with the intercommunication has U type groove between the power component.

Optionally, the power component is including setting up downside chamber in the box, be equipped with the second motor on the bottom face of box, the second motor extends to be connected with output gear on the output of downside intracavity, be equipped with on the cavity bottom face and run through the threaded rod of box, the threaded rod towards the terminal surface of box central point with a side terminal surface that the slip disc is close to ground is connected, downside intracavity be equipped with the threaded rod with output gear complex external member, the external member comprises the flank of tooth section on the periphery side and the screw thread section on the inner wall.

Optionally, the subassembly of blowing is including setting up the interior upper side chamber of box, be fixed with first motor on the upside terminal surface of box, first motor extends to be connected with the turbofan on the output of upside intracavity, the upside chamber orientation run through on the terminal surface of cavity and be equipped with a plurality of wind holes, the box be equipped with on the surface with intake pipe and the blast pipe of cavity intercommunication, the blast pipe with U type groove is located same one side of box.

Optionally, check valves are installed in the air inlet pipe and the air outlet pipe, and the air inlet pipe and the air outlet pipe are symmetrically arranged around the central line of the box body.

Optionally, a sealing cover is hinged to the box body.

To sum up, compared with the prior art, the utility model has the following beneficial effects:

1. through the setting that gaseous U type groove blowd bearing lower surface again, make the bearing when tempering, the upper and lower surface of bearing all is heated evenly, and nearly and reduce the residual stress in the bearing, avoided the bearing when using, because of the too big fragility that leads to the bearing of residual stress increases, make the bearing take place cracked risk, effectively solved the problem that tempering furnace processing bearing life reduces.

2. Through the setting of the air in the extrusion cavity of the sliding disc, the intermittent pressurization treatment is carried out on the bearing in the tempering process, the deformation of the tempered bearing caused by residual stress or tissue change during tempering is avoided, and the problem of poor stability of the tempered bearing processed by the tempering furnace is effectively solved.

Drawings

Fig. 1 is a front perspective view of the present invention.

Fig. 2 is a rear perspective view of the present invention.

Fig. 3 isbase:Sub>A sectional view taken along the linebase:Sub>A-base:Sub>A in fig. 1 according to the present invention.

Fig. 4 is a cross-sectional view taken along the direction B-B in fig. 1 according to the present invention.

Fig. 5 is a cross-sectional view taken along the line C-C of fig. 1 according to the present invention.

Fig. 6 is a partially enlarged view of the point D in fig. 3 according to the present invention.

10. A box body; 11. an exhaust pipe; 12. an air inlet pipe; 13. a first motor; 14. a sealing cover; 15. a threaded rod; 16. a one-way valve; 17. an eddy current copper ring; 18. a sliding disk; 19. a turbofan; 20. a U-shaped groove; 21. an output gear; 22. a second motor; 23. a cavity; 24. an upper lateral cavity; 25. a cross; 26. a positioning column; 27. a kit; 28. a lower cavity.

Detailed Description

In order to make the technical field personnel understand the utility model discloses the scheme, will combine the drawing in the embodiment of the utility model below, to the technical scheme in the embodiment of the utility model carries out clear, complete description.

As shown in fig. 1-6, a tempering furnace for bearing processing comprises a box body 10, a sealing cover 14 is hinged on the box body 10, a cavity 23 is arranged in the box body 10, at least two eddy copper rings 17 are arranged on the inner wall of the cavity 23, a sliding disc 18 is arranged in the cavity 23, at least two through holes are arranged on the sliding disc 18, a cross 25 is fixed on the inner wall of each through hole, a positioning column 26 is connected on the end face, away from the ground, of the cross 25, a power assembly for driving the sliding disc 18 to move is arranged at the bottom end of the box body 10, an air blowing assembly is arranged at the upper end of the box body 10, and a U-shaped groove 20 is communicated between the air blowing assembly and the power assembly.

The power assembly comprises a lower side cavity 28 arranged in the box body 10, a second motor 22 is arranged on the bottom end face of the box body 10, an output gear 21 is connected to an output end, extending into the lower side cavity 28, of the second motor 22, a threaded rod 15 penetrating through the box body 10 is arranged on the bottom end face of the cavity 23, the end face, facing the center point of the box body 10, of the threaded rod 15 is connected with the end face, close to the ground, of one side of the sliding disc 18, an external member 27 matched with the threaded rod 15 and the output gear 21 is arranged in the lower side cavity 28, and the external member 27 is composed of a tooth surface section on the outer peripheral side and a thread section on the inner wall.

The blowing assembly comprises an upper side cavity 24 arranged in the box body 10, a first motor 13 is fixed on the upper side end face of the box body 10, the first motor 13 extends to an output end in the upper side cavity 24 and is connected with a turbofan 19, a plurality of air holes are formed in the end face, facing the cavity 23, of the upper side cavity 24 in a penetrating mode, an air inlet pipe 12 and an air outlet pipe 11 communicated with the cavity 23 are arranged on the surface of the box body 10, the air outlet pipe 11 and the U-shaped groove 20 are located on the same side of the box body 10, check valves 16 are installed in the air inlet pipe 12 and the air outlet pipe 11, and the air inlet pipe 12 and the air outlet pipe 11 are symmetrically arranged about the center line of the box body 10.

When the tempering furnace is used, firstly, the sealing cover 14 is opened to place a plurality of bearings into corresponding through holes, at the moment, the one-way valve 16 is used for communicating the air inlet pipe 12 and the exhaust pipe 11 with the cavity 23 under the action of gravity, then the first motor 13 is started to drive the turbofan 19 positioned at the output end to rotate, at the moment, the turbofan 19 collects airflow and conveys the airflow to the upper end face of the bearing in the sliding disc 18 through a plurality of air holes, then the eddy copper ring 17 is electrified, then the second motor 22 is started, the second motor 22 drives the output gear 21 positioned on the output end to rotate, during the rotation of the output gear 21, the output gear 21 is meshed with the tooth root of the tooth surface section of the sleeve 27 through the tooth crest to drive the sleeve 27 to rotate, meanwhile, the sleeve 27 is meshed with the thread on the threaded rod 15 through the thread section on the inner wall, during the transmission process of the sleeve 27 and the threaded rod 15, on one hand, the sliding disc 18 is driven to rotate in the radial direction, the bearings in the through holes rotate together, on the axial direction, the sliding disc 18 is driven in the cavity 23, on the other hand, the pressure is gradually increased, then the one-way, the one-way valve 16 on two sides of the box 10 is pushed until the exhaust pipe moves away from the cavity 11 and the air inlet pipe 11 is isolated from the cavity 23;

after the air inlet pipe 12 and the exhaust pipe 11 are isolated from the cavity 23, at the moment, the air flow of the upper half part of the cavity 23 enters the lower half part of the cavity 23 through the U-shaped groove 20, and then enters the U-shaped groove 20 through the air and is blown to the lower surface of the bearing, so that the upper surface and the lower surface of the bearing are uniformly heated when the bearing is tempered, the residual stress in the bearing is reduced, the risk that the bearing is broken due to the fact that the brittleness of the bearing is increased due to the fact that the residual stress is too large when the bearing is used is avoided, the service life of the bearing processed by a tempering furnace is prolonged, and due to the fact that the section aperture of the U-shaped groove 20 is small, the air pressure discharged from the U-shaped groove 20 is large, and the air flow is blown to the lower surface of the bearing in the through hole;

when the sliding disc 18 approaches the upper end face of the cavity 23, the second motor 22 is started to rotate reversely, the output gear 21 drives the threaded rod 15 to move towards the direction of the second motor 22 through transmission with the sleeve 27, in the process of reverse rotation of the threaded rod 15, on one hand, the one-way valves 16 on two sides of the box body 10 communicate the air inlet pipe 12 and the air outlet pipe 11 with the cavity 23, on the other hand, gas on the lower half part of the cavity 23 is exhausted to the outside in the sequence of the U-shaped groove 20 and the air outlet pipe 11 until the sliding disc is reset, the air in the cavity 23 is extruded through the sliding disc 18, in the tempering process, the intermittent pressurization treatment is carried out on the bearing, the deformation of the tempered bearing caused by residual stress or tissue change during tempering is avoided, and the bearing stability of tempering furnace processing is improved.

It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a tempering furnace is used in bearing processing, includes box (10), its characterized in that: be equipped with cavity (23) in box (10), be equipped with two at least vortex copper rings (17) on the inner wall of cavity (23), be equipped with slip disc (18) in cavity (23), be equipped with two at least through-holes on slip disc (18), every be fixed with cross (25) on the inner wall of through-hole, be connected with reference column (26) on the terminal surface on ground is kept away from in cross (25), the bottom of box (10) is equipped with the drive the power component of slip disc (18) motion, the upper end of box (10) is equipped with the subassembly of blowing, blow the subassembly with the intercommunication has U type groove (20) between the power component.

2. The tempering furnace for bearing processing according to claim 1, wherein: the power assembly is including setting up downside chamber (28) in box (10), be equipped with second motor (22) on the bottom face of box (10), second motor (22) extend to be connected with output gear (21) on the output in downside chamber (28), be equipped with on cavity (23) bottom end face and run through threaded rod (15) of box (10), threaded rod (15) towards the terminal surface of box (10) central point with a side terminal surface that slip disc (18) are close to ground is connected, be equipped with in downside chamber (28) with threaded rod (15) with output gear (21) complex external member (27), external member (27) comprise the flank section on the periphery side and the screw thread section on the inner wall.

3. The tempering furnace for bearing processing according to claim 1, wherein: the blowing assembly comprises an upper side cavity (24) arranged in the box body (10), a first motor (13) is fixed on the upper side end face of the box body (10), the first motor (13) extends to an output end in the upper side cavity (24) is connected with a turbofan (19), the upper side cavity (24) faces towards a plurality of air holes are formed in the end face of the cavity (23) in a penetrating mode, the box body (10) is provided with an air inlet pipe (12) and an exhaust pipe (11) which are communicated with the cavity (23) on the surface, and the exhaust pipe (11) is located on the same side of the box body (10) with the U-shaped groove (20).

4. The tempering furnace for bearing processing according to claim 3, wherein: the air inlet pipe (12) and the exhaust pipe (11) are internally provided with one-way valves (16), and the air inlet pipe (12) and the exhaust pipe (11) are symmetrically arranged relative to the central line of the box body (10).

5. The tempering furnace for bearing processing according to claim 1, wherein: the box body (10) is hinged with a sealing cover (14).