CN215799714U

CN215799714U - Quick heating device for bearing heat treatment

Info

Publication number: CN215799714U
Application number: CN202121233725.7U
Authority: CN
Inventors: 龚晓伟
Original assignee: Changzhou Benma Bearing Co ltd
Current assignee: Changzhou Benma Bearing Co ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2022-02-11
Anticipated expiration: 2031-06-03

Abstract

The utility model discloses a rapid heating device for bearing heat treatment, which belongs to the technical field of bearing processing and comprises: the heating rotary drum, the heating chamber has been seted up in the heating rotary drum, the heating chamber wall is provided with the hot plate, heating rotary drum lower surface is connected with the pivot, the pivot is connected with the motor output, the motor set up in the installation cavity, the installation cavity is seted up in the base, through setting up the hot plate, the symmetry sets up two hot plates on the section of thick bamboo wall in the single heating rotary drum, and the setting of two hot plates can concentrate the heat on the one hand, reduces the quantity of the material for the equipment, reduces the cost of equipment, and on the other hand cooperation motor drives the heating rotary drum and rotates, can make the heating intracavity bearing be in the state of thermally equivalent along with the rotation of heating rotary drum, can ensure the homogeneity that same batch of bearing is heated simultaneously.

Description

Quick heating device for bearing heat treatment

Technical Field

The utility model relates to the technical field of bearing processing, in particular to a quick heating device for bearing heat treatment.

Background

In the heat treatment process, the parts need to be tempered after quenching, for the bearings, the bearings are divided into two types, namely a sliding bearing and a rolling bearing, the sliding bearing belongs to casting molding, the heat treatment is not needed, the rolling bearing only needs the heat treatment, the hot working aims at ensuring the strength of the bearing, and the tempering of the rolling bearing is usually carried out in a low-temperature tempering mode, so that the quenching internal stress and brittleness are reduced on the premise of keeping high hardness and high wear resistance of quenched steel, and the cracking or early damage is avoided when the quenching steel is used.

In the existing tempering process, bearings are usually placed on a tray, then the tray with the bearings is placed in a heating furnace for tempering, the bearings are generally uniformly placed on the tray, the heating furnace heats the bearings by virtue of heating devices arranged on the peripheral furnace walls, in such a heating state, because the bearings are placed on the tray at different positions, the bearings close to the furnace walls bear slightly different temperatures compared with the bearings at the middle positions, for the bearings with higher precision requirements, the bearing quality can be different due to slight differences of the temperatures, and for the heating furnace with the heating devices arranged on the peripheral furnace walls, because the low-temperature tempering requirement is relatively lower, the supplied heat energy is excessive, therefore, a rapid heating device for bearing heat treatment needs to be designed to ensure that the heat quantity born by the bearings subjected to heat treatment is the same on one hand, on the other hand, the heat energy supply is ensured, meanwhile, the material consumption of the heating furnace is reduced, the structure of the heating furnace is simplified so as to reduce the failure rate of the heating furnace, and the production requirement of a manufacturer with relatively deficient funds is met.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: in order to ensure that the bearing bears consistent heat when tempering the precision bearing, and simultaneously reduce the material consumption of the heating furnace on the premise of ensuring the heating temperature, and simplify the structure of the heating furnace so as to meet the production requirement of manufacturers with relatively deficient funds.

The technical scheme adopted by the utility model to solve the technical problem is as follows: a rapid heating device for bearing heat treatment, comprising: the heating rotary drum, the heating chamber has been seted up in the heating rotary drum, the heating chamber wall is provided with the hot plate, heating rotary drum lower surface is connected with the pivot, the pivot is connected with the motor output, the motor sets up in the installation cavity, the installation cavity is seted up in the base.

As a preferable technical solution of the present invention, the heating drum is rotatably connected to the base, and the number of the installation cavities is four.

Through adopting above-mentioned technical scheme to the heating rotary drum can rotate under the drive of motor, sets up four installation cavity and can correspond and be provided with four heating rotary drums, so that increase the quantity of the bearing that carries out tempering at the same time.

As a preferable technical scheme of the utility model, a hanging arm is inserted into the heating cavity, a notch is formed in one side of the hanging arm close to the center, a tray hook can be clamped in the notch, and the tray hook is arranged on the periphery of the tray.

Through adopting above-mentioned technical scheme, collude with the help of breach and tray, when the end tempering, can dismantle the tray from hanging the arm of putting with the help of the external application is supplied with, makes things convenient for the staff to dismantle the bearing.

As a preferable technical scheme of the present invention, the number of the heating plates arranged in the heating cavity is two, and the two heating plates are symmetrically installed.

Through adopting above-mentioned technical scheme, adopt two hot plates to replace all being equipped with the mode of hot plate all around under the normal condition to concentrate the heat on the one hand, on the other hand can reduce the quantity reduce cost with the material, and when the heating rotary drum rotated, the hot plate rotated along with, can make the bearing of placing in the heating chamber thermally equivalent, guaranteed production quality.

As a preferred technical scheme of the utility model, the hanging arm is arranged in the middle of the lower surface of the heat insulation plate, the upper surface of the heat insulation plate is provided with the cover plate, and the size of the heat insulation plate corresponds to that of the heating cavity opening.

Through adopting above-mentioned technical scheme, can avoid the heat energy in the heating chamber to distribute away with the help of the heat insulating board, reduce the waste of heat energy.

As a preferred technical scheme of the utility model, the upper surface of the cover plate is provided with a connecting column, a connecting plate is arranged above the connecting column, and the upper surface of the connecting plate is provided with a lifting column.

Through adopting above-mentioned technical scheme, can combine a plurality of spliced poles together with the help of the connecting plate, with the help of the lift post, the lift post is connected with outside elevating gear, just can put the arm with the help of elevating gear to hanging afterwards and go up and down to handle, conveniently take of bearing.

The utility model has the beneficial effects that:

1. through setting up the hot plate, the symmetry sets up two hot plates on the section of thick bamboo wall in the single heating rotary drum, and the setting up of two hot plates can concentrate the heat on the one hand, reduces the quantity of equipment material, reduces the cost of equipment, and on the other hand cooperation motor drives the heating rotary drum and rotates, can make along with the rotation of heating rotary drum to heat the interior bearing of chamber and be in the state of thermally equivalent, can ensure the homogeneity that same batch of bearing was heated simultaneously.

2. The tray arranged on the tray is hooked through the setting, the notch arranged on the hanging arm is matched, so that the tray and the hanging arm can be conveniently installed or disassembled, the bearing is more conveniently placed on the tray, and subsequent heat treatment work is conveniently carried out.

Drawings

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

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

FIG. 3 is a schematic side cross-sectional view of the present invention;

FIG. 4 is a schematic top view of a heated drum portion of the present invention.

In the figure: 1. heating the drum; 2. a heating cavity; 3. heating plates; 4. a rotating shaft; 5. a motor; 6. a mounting cavity; 7. a base; 8. hanging the arm; 81. a notch; 9. a tray; 91. a tray hook; 10. a heat insulation plate; 11. a cover plate; 12. connecting columns; 13. a connecting plate; 14. and (4) lifting the column.

Detailed Description

Through research and analysis of the applicant, during the bearing tempering process, the bearings are generally uniformly placed on the tray, then the tray with the bearings is placed in the heating furnace for heating, a general heating furnace is usually provided with heating devices around the furnace wall so as to ensure the temperature in the furnace, for the low-temperature tempering work, although the traditional heating furnace can ensure the heating temperature, the heating devices arranged around the heating furnace have the condition of surplus equipment materials, the surplus equipment materials can cause the increase of equipment cost and selling price, and are not friendly to manufacturers with relatively low funds, and for the bearings requiring precision, during the heating process, the bearings uniformly placed on the tray can cause different heating degrees of the bearings at different positions due to slight difference of the positions, so certain difference can be generated on the heat treatment quality of the bearings at different positions, therefore, a rapid heating device for bearing heat treatment needs to be designed, on one hand, materials for equipment can be reduced, the equipment cost is reduced, on the other hand, the bearing can be uniformly heated on the premise of limited materials for equipment, and the heat born by the same batch of bearings is consistent, so that the heat treatment requirement of the precise bearing with strict requirements is met.

The present invention will now be described in further detail with reference to the accompanying drawings.

Referring to fig. 1-4, a rapid heating device for bearing heat treatment comprises a heating drum 1, a heating chamber 2, a heating plate 3, a rotating shaft 4, a motor 5, an installation chamber 6, a base 7, a hanging arm 8, a gap 81, a tray 9, a tray hook 91, a heat insulation plate 10, a cover plate 11, a connecting column 12, a connecting plate 13 and a lifting column 14.

Referring to fig. 1 to 4, a rapid heating apparatus for heat treatment of a bearing, comprising: the heating drum 1, the heating chamber 2 is arranged in the heating drum 1, the heating plate 3 is arranged on the wall of the heating chamber 2, the base 7 is provided with four installation chambers 6, the four installation chambers 6 are all provided with the motor 5, the output end of the motor 5 is fixedly connected with one end of the rotating shaft 4, the rotating shaft 4 is fixedly connected with the lower surface of the heating drum 1, the heating drum 1 is rotatably connected with the base 7, the lifting column 14 is externally connected with an external lifting device (not marked in the figure), the lower surface of the lifting column 14 is fixedly connected with the connecting plate 13, the lower surface of the connecting plate 13 is provided with four connecting columns 12, the lower surfaces of the four connecting columns 12 are fixedly connected with the cover plates 11, the lower surfaces of the four cover plates 11 are all fixedly provided with the heat insulation plates 10, and the middle positions of the lower surfaces of the four heat insulation plates 10 are all connected with the hanging arms 8, the four groups of hanging arms 8 are all provided with a plurality of notches 81, two sides of the periphery of the tray 9 are fixedly provided with the tray hooks 91, the tray hooks 91 can be clamped into the notches 81, four cover plates 11 correspond to four heating chambers 2, four heat insulation plates 10 correspond to the upper part openings of the four heating chambers 2, the number of the heating plates 3 arranged in a single heating chamber 2 is two, the heating plates 3 are symmetrically arranged, the output end of the motor 5 is connected with a rotating shaft 4 through the arrangement of the motor 5, so that the motor 5 can drive the rotating shaft 4 to rotate, the rotating shaft 4 is connected to the lower surface of the heating rotary drum 1 through the arrangement of the rotating shaft 4, the rotating shaft 4 can drive the heating rotary drum 1 to rotate, and then the motor 5 can drive the heating rotary drum 1 to rotate, and the heating rotary drum 1 is rotationally connected with the base 7 through the arrangement of the heating rotary drum 1, therefore, on one hand, the heating rotary drum 1 can be ensured to rotate under the drive of the motor 5, on the other hand, the bearing can be dragged and dropped under the action of rotating connection, a certain shielding effect can be brought to the installation cavity 6, sundries are prevented from entering the installation cavity 6, the tray 9 is arranged, the bearing can be dragged and dropped, the hanging arm 8 is arranged, the tray hook 91 on the tray 9 is matched with the notch 81 on the hanging arm 8, so that the mounting and dismounting between the tray 9 and the hanging arm 8 can be facilitated by means of the clamping relation of the tray hook 91 on the notch 81, the two heating plates 3 are symmetrically arranged in the single heating rotary drum 1 by arranging the heating plates 3, on the one hand, the heat can be concentrated, on the other hand, the surplus of equipment materials caused by the situation that a plurality of heating devices are arranged under the traditional situation for heating is replaced, the number of the equipment materials is reduced, and the cost of the equipment is reduced, the device is more friendly to manufacturers with relatively scarce funds, meanwhile, on the premise that the motor 5 drives the heating rotary drum 1 to rotate, the two heating plates 3 can rotate along with the heating rotary drum 1, the rotatable heating plates 3 can enable the bearings placed on the trays 9 in the heating cavity 2 to be uniformly heated, and meanwhile, the rotating speed can be adjusted according to working requirements to ensure that the heat borne by the bearings on the trays 9 in the heating cavity 2 is consistent, thereby meeting the production requirements of partial bearings with precise requirements, by arranging the heat insulation plate 10, the size of the heat insulation plate 10 corresponds to the size of the cavity opening of the heating cavity 2, so that when the cover plate 11 covers the heating cavity 2, the heat insulation plate 10 can seal the heating cavity 2, thereby well reducing the heat loss in the heating cavity 2, reducing the waste of heat energy, achieving the purpose of saving energy, and having simple structure, thereby effectively reducing the failure rate of the device, so as to better adapt to the production and use requirements of manufacturers with relatively low funds.

The working principle is as follows: when the bearing hanging device is used, firstly, the bearings are placed on the tray 9, then, a plurality of trays 9 provided with the bearings are hung on the hanging arm 8 by means of the tray hook 91 and the notch 81, then, an external lifting device (not shown in the figure) is operated, the hanging arm 8 provided with the bearings is moved into the heating cavity 2, the heat insulation plate 10 is buckled with the cavity opening of the heating cavity 2 to ensure the tightness of the heating cavity 2, then, the motor 5 is started, the motor 5 drives the heating rotary drum 1 to rotate, then, the heating plate 3 is opened, the heat generated by the heating plate 3 heats the bearings in the trays 9 placed on the hanging arm 8, the rotating heating rotary drum 1 can drive the heating plate 3 in the heating rotary drum 1 to rotate simultaneously, on one hand, the bearings can be heated uniformly by rotating the two heating plates 3, and the heating degrees of the batch bearings are consistent, so as to meet the requirements of the bearings requiring precision, on the other hand, the arrangement of the two heating plates 3 can concentrate heat, the quantity of materials used for equipment is reduced, the production cost is reduced, the device is friendly to manufacturers with relatively-low funds, the structure of the whole device is simple, the failure rate can be effectively reduced, and the service life is prolonged.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the above embodiments and descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, which fall within the scope of the claimed invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A rapid heating device for bearing heat treatment, comprising: heating rotary drum, its characterized in that: heating chamber has been seted up in the heating rotary drum, heating chamber wall is provided with the hot plate, heating rotary drum lower surface is connected with the pivot, the pivot is connected with the motor output, the motor sets up in the installation cavity, the installation cavity is seted up in the base.

2. The rapid heating apparatus for heat treatment of a bearing according to claim 1, wherein: the heating rotary drum is rotatably connected with the base, and the number of the installation cavities is four.

3. The rapid heating apparatus for heat treatment of a bearing according to claim 1, wherein: the heating intracavity is inserted and is hung the arm of putting, it sets up jaggedly to hang to put arm one side near the center, can the block have the tray to collude in the breach, the tray colludes and sets up in the tray periphery.

4. The rapid heating apparatus for heat treatment of a bearing according to claim 1, wherein: the heating chamber is provided with two heating plates which are symmetrically arranged.

5. The rapid heating apparatus for heat treatment of a bearing according to claim 3, wherein: the hanging arm is arranged in the middle of the lower surface of the heat insulation plate, the cover plate is arranged on the upper surface of the heat insulation plate, and the heat insulation plate corresponds to the heating cavity opening in size.

6. The rapid heating apparatus for heat treatment of a bearing according to claim 5, wherein: the upper surface of the cover plate is provided with a connecting column, a connecting plate is arranged above the connecting column, and the upper surface of the connecting plate is provided with a lifting column.