CN219689797U

CN219689797U - Flexible multi-energy furnace production line

Info

Publication number: CN219689797U
Application number: CN202321183327.8U
Authority: CN
Inventors: 戚顺银; 刘利仓; 薄立明
Original assignee: Yajie Technology Tangshan Co ltd
Current assignee: Yajie Technology Tangshan Co ltd
Priority date: 2023-05-17
Filing date: 2023-05-17
Publication date: 2023-09-15
Anticipated expiration: 2033-05-17

Abstract

The utility model relates to a flexible multifunctional furnace production line, and relates to the technical field of heat treatment of metal materials, which comprises a device unit, wherein the device unit comprises a material lifting table, a material preparation table, a preheating furnace, a heating furnace, a bottom-turning carburizing furnace, a diffusion furnace, a cooling furnace, a quenching salt tank, an isothermal salt tank, a front air cooling table, a rear air cooling table, a tempering furnace and a salt cleaning machine, and further comprises a transfer skip for transferring workpieces for the device unit, and one side of the heating furnace is provided with a vacuum component for keeping vacuum in the heating furnace. The utility model has the effects of improving the production efficiency of the workpiece and reducing the labor and economic cost.

Description

Flexible multi-energy furnace production line

Technical Field

The utility model relates to the technical field of heat treatment of metal materials, in particular to a flexible multi-functional furnace production line.

Background

The carburizing quenching and carbonitriding quenching in the production of mechanical parts generally adopts a multipurpose furnace, and the martensite and bainite processes generally adopt a roller bar salt bath line or a rotary hearth furnace salt bath line.

Aiming at the related technology, when different processes are adopted to process the workpiece, different production lines are required to be adopted, the workpiece is required to be moved to different production lines to be processed or the original production line is required to be changed and adjusted, the equipment type is increased or decreased or the position of the equipment is adjusted on the original production line, the production time is required to be wasted, the processing efficiency of the workpiece is influenced, and the economic cost of production is improved.

Disclosure of Invention

In order to improve the production efficiency of workpieces, the utility model provides a flexible multi-energy furnace production line.

The utility model provides a flexible multi-energy furnace production line which adopts the following technical scheme:

the utility model provides a flexible multipotency stove production line, includes the equipment unit, the equipment unit includes material lifting table, material preparation platform, preheating furnace, heating furnace, changes end carburizing furnace, diffusion stove, cooling stove, quenching salt groove, isothermal salt groove, preceding forced air cooling platform, back forced air cooling platform, tempering furnace, salt cleaning machine, still includes for the transfer skip of equipment unit transportation work piece, heating furnace one side is equipped with and is used for making keep vacuum assembly in the heating furnace.

Through adopting the technical scheme, when the carburizing or carbonitriding and martensite process flows are carried out on the workpiece, the workpiece is conveyed to the material preparation table by the lifting table through the transfer skip for material preparation, the material preparation table is conveyed to the preheating furnace through the transfer skip for preheating, the preheating furnace is conveyed to the heating furnace after being processed by the vacuum component, after heating is finished, the heating furnace is conveyed to the bottom-transferred carburizing furnace, the carburizing is finished and conveyed to the diffusion furnace, the diffusion furnace is conveyed to the cooling furnace and enters the quenching salt tank for quenching, the quenching is finished and conveyed to the transfer skip, the transfer skip is conveyed to the air cooling table through the transfer skip, the transfer skip is conveyed to the salt washer after air cooling, the transfer skip is conveyed to the tempering furnace after cleaning, the transfer skip is conveyed to the post air cooling table after tempering, and the transfer skip is conveyed to the lifting table after cooling, so that the process is finished.

When the salt bath bainite technological process is carried out on a workpiece, the workpiece is conveyed to a material preparation table through a conveying skip to prepare materials, the material preparation table is conveyed to a preheating furnace through a conveying skip, the preheating furnace is conveyed to a vacuum air-locking chamber, the air-locking chamber is conveyed to a heating furnace, after heating is finished, the heating furnace is conveyed to a carburizing furnace, after carburizing is finished, the heating furnace is conveyed to a diffusion furnace, the diffusion furnace is conveyed to a cooling furnace, the cooling furnace is conveyed to a quenching salt tank to be quenched, after quenching is finished, the cooling furnace is conveyed to a conveying skip, the cooling platform is conveyed to an isothermal salt tank through the conveying skip, the isothermal salt tank is conveyed to a tempering furnace, after tempering is finished, the cooling platform is conveyed to a rear air-cooling table through the conveying skip, after air cooling is finished, the cooling is conveyed to a salt washer through the conveying skip, after washing is finished, the cooling platform is conveyed to the conveying skip, and the process is finished.

Therefore, on the production line, the carburizing or carbonitriding, the martensite process flow and the salt bath bainite process flow can be carried out on the workpieces with different specifications on the premise of not changing the equipment position, so that the production efficiency of the workpieces can be improved, and the labor and economic cost can be reduced.

Optionally, be equipped with the transmission platform between the equipment unit, the rigid coupling has the edge on the transmission platform the slide rail that the transmission platform up end set up, transfer skip sliding connection is in on the slide rail, transfer skip is including setting up the pulley in self lower extreme four corners department, pulley sliding connection is in on the slide rail, be equipped with on the transfer skip with the drive the pulley is in slip drive assembly on the slide rail.

Through adopting above-mentioned technical scheme, the slip direction of the pulley of accessible slide rail restriction transfer skip lower extreme can make transfer skip follow the transmission platform and carry out stable conveying to the work piece between each equipment unit.

Optionally, the driving assembly is provided with two driving motors, the driving motors are located between two coaxially arranged pulleys and are connected with the pulley shafts.

Through adopting above-mentioned technical scheme, accessible control driving motor, and then control driving motor drive slip rotation, can stabilize and the slip position of quick control transfer skip from this.

Optionally, the vacuum assembly comprises a vacuum air-locking chamber arranged between the preheating furnace and the heating furnace, and a vacuum pump is arranged on the vacuum air-locking chamber.

By adopting the technical scheme, the air in the vacuum air-locking chamber can be pumped out of the vacuum air-locking chamber through the vacuum pump, so that the vacuum state between the vacuum air-locking chamber and the heating furnace can be maintained rapidly.

Optionally, a cooling component for cooling the workpiece is arranged on the diffusion furnace, the cooling component comprises a fan, a cold air pipe is communicated with and fixedly connected with the fan, and the cold air pipe penetrates through the inner wall of the diffusion furnace and is arranged in the diffusion furnace.

Through adopting above-mentioned technical scheme, can judge whether to use this cooling module according to the technological requirement of different work pieces, and then when work piece temperature is too high, the accessible fan sweeps the work piece in the diffusion furnace through the cold air pipe and then cools down the work piece.

Optionally, an infrared temperature detector for detecting the temperature of the workpiece in the cooling furnace is installed on the cooling furnace, and a heating piece for heating the workpiece in the cooling furnace is arranged in the cooling furnace.

By adopting the technical scheme, according to the process requirements of different workpieces, when the workpiece entering the cooling furnace does not reach the temperature entering the next process, the workpiece can be reheated according to the induction temperature of the infrared temperature measuring device.

Optionally, the heating element is an electric heating tube, and the electric heating tube is fixedly connected to the inner wall of the cooling furnace.

By adopting the technical scheme, the workpiece inside the cooling furnace can be heated rapidly by starting the electric heating pipe.

Optionally, a transition table for connecting the cooling furnace and the quenching salt tank is arranged between the cooling furnace and the quenching salt tank.

By adopting the technical scheme, the surface condition of the workpiece entering the quenching salt tank can be observed through the transition table, so that the workpiece can be conveniently adjusted or processed in time, and the quality of the workpiece is ensured.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. the carburizing or carbonitriding, the martensite process flow and the salt bath bainite process flow can be carried out on workpieces with different specifications on the premise of not changing the equipment position, so that the production efficiency of the workpieces can be improved, and the labor and economic cost can be reduced;

2. whether the cooling assembly is used or not can be judged according to the process requirements of different workpieces, and when the temperature of the workpieces is too high, the workpieces in the diffusion furnace can be purged through a fan through a cold air pipe so as to cool the workpieces;

3. according to the process requirements of different workpieces, when the workpiece entering the cooling furnace does not reach the temperature entering the next process, the workpiece can be reheated according to the induction temperature of the infrared temperature measuring device.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a drive assembly according to an embodiment of the present utility model;

fig. 3 is a schematic structural view of an electric heating tube according to an embodiment of the present utility model.

Reference numerals illustrate: 1. a lifting table; 2. a material preparation table; 3. a front cleaner; 4. a preheating furnace; 5. a vacuum assembly; 51. vacuum air locking chamber; 52. a vacuum pump; 6. a heating furnace; 7. turning the bottom carburizing furnace; 8. a diffusion furnace; 81. a cooling assembly; 811. a cold air pipe; 812. a blower; 9. a cooling furnace; 91. an electric heating tube; 92. an infrared thermometer; 10. a transition stage; 11. a quenching salt tank; 12. a transmission station; 121. transferring the skip car; 1211. a pulley; 122. a slide rail; 123. a drive assembly; 1231. a driving motor; 13. isothermal salt tank; 14. a front air cooling table; 15. a salt washer; 16. tempering furnace; 17. and (5) cooling the platform by rear air.

Detailed Description

The present utility model will be described in further detail with reference to fig. 1 to 3.

Referring to fig. 1 and 2, a flexible multi-functional furnace production line comprises a transmission table 12 which is arranged in a cuboid shape, two sliding rails 122 which are arranged along the length direction of the transmission table 12 are fixedly connected to the end of the transmission table 12, the two sliding rails 122 are parallel to each other, a transfer trolley 121 for transferring workpieces is arranged at the upper end of the transmission table 12, the transfer trolley 121 comprises pulleys 1211 which are arranged at four corners of the lower end of the transfer trolley 121, the pulleys 1211 are slidably connected to the sliding rails 122, and a driving assembly 123 for driving the pulleys 1211 to slide on the sliding rails 122 is arranged on the transfer trolley 121.

The driving assembly 123 includes two driving motors 1231 fixedly connected to the lower end of the transfer carriage 121, the driving motors 1231 are located between two pulleys 1211 coaxially arranged, and the driving motors 1231 are connected with the pulleys 1211 in a shaft manner. Thereby, the driving motor 1231 is started, and the driving motor 1231 can drive the pulley 1211 to rotate, so that the transfer trolley 121 moves on the conveying table 12.

A plurality of equipment units are arranged on two sides of the length direction of the transmission table 12, each equipment unit comprises a workpiece lifting table 1 for conveying workpieces to the production line and a material preparation table 2 for preparing materials, and a lifting appliance for transferring the workpieces from a transfer trolley 121 to the equipment units is arranged above the production line and is not shown in the drawing.

The conveying table 12 is equipped with preceding cleaning machine 3 far away from the one side of material preparation table 2, and preceding cleaning machine 3 one side is equipped with and is used for carrying out preheating furnace 4 to the work piece, and preheating furnace 6 one side is equipped with heating furnace 6, is equipped with vacuum assembly 5 that is used for making the interior vacuum of heating furnace 6 keep between heating furnace 6 and the preheating furnace 6.

The vacuum assembly 5 comprises a vacuum air-locking chamber 51 arranged between the preheating furnace 4 and the heating furnace 6, a vacuum pump 52 is arranged on the vacuum air-locking chamber 51, and the vacuum air-locking chamber 51 is communicated with both the heating furnace 6 and the preheating furnace 4.

The lifting appliance can lift the workpiece on the material preparation table 2 into the front cleaning machine 3 for cleaning, then the workpiece can enter the preheating furnace 4 for preheating, meanwhile, the vacuum pump 52 can be started, the vacuum air-locking chamber 51, the heating furnace 6 and the preheating furnace 4 can be kept in a vacuum state under the action of the vacuum pump 52, and then the workpiece can enter the heating furnace 6 through the vacuum air-locking chamber 51 for heating in a vacuum state.

One side of the heating furnace 6 is communicated with a rotary bottom carburizing furnace 7, one side of the rotary carbon reference furnace is provided with a diffusion furnace 8, the diffusion furnace 8 is communicated with the rotary bottom carburizing furnace 7, and a cooling component 81 for cooling a workpiece is arranged on the diffusion furnace 8.

The cooling assembly 81 comprises a fan 812 fixedly connected to the outer wall of the diffusion furnace 8, the fan 812 is communicated with and fixedly connected with a cold air pipe 811, and one end, far away from the fan 812, of the cold air pipe 811 penetrates through the diffusion furnace 8 and is placed in the diffusion furnace 8.

The workpiece heated by the heating furnace 6 can enter the bottom-turning carburizing furnace 7 for carburization, then enter the diffusion furnace 8 for diffusion, and meanwhile, according to the process required by the workpiece, the blower 812 can be started to enable the blower 812 to sweep the workpiece through the cold air pipe 811, so that the workpiece is cooled.

Referring to fig. 1 and 3, a cooling furnace 9 is arranged at one side of a diffusion furnace 8, an infrared temperature detector 92 for detecting the temperature of a workpiece in the cooling furnace 9 is arranged at the upper end of the cooling furnace 9, and a heating element for heating the workpiece in the cooling furnace 9 is arranged on the inner wall of the cooling furnace 9 and is an electric heating tube 91. A quenching salt tank 11 is arranged on one side of the cooling furnace 9 away from the diffusion furnace 8, and a transition table 10 for communicating the quenching salt tank 11 with the cooling furnace 9 is arranged between the quenching salt tank 11 and the cooling furnace 9.

The workpiece can enter the transition table 10 through the cooling furnace 9, be inspected and observed through the transition table 10, then enter the quenching salt tank 11 for quenching, meanwhile, the infrared temperature detector 92 can detect the workpiece entering the cooling furnace 9, and when the workpiece is lower than the rated quenching temperature, the workpiece can be heated through the electric heating pipe 91.

The side of the conveying table 12 away from the quenching salt tank 11 is provided with an isothermal salt tank 13, a tempering furnace 16 for reheating the workpiece and a salt washer 15 for washing the workpiece. The workpiece unit further comprises a front air-cooling stage 14 and a rear air-cooling stage 17 for cooling the workpiece, the front air-cooling stage 14 and the rear air-cooling stage 17 being located on the same side of the transfer stage 12.

The implementation principle of the embodiment of the utility model is as follows: when the workpiece is processed by a carburizing or carbonitriding process flow, the lifting platform 1 conveys the workpiece to the material preparation platform 2 for material preparation through the transfer skip 121, the material preparation platform 2 transfers the workpiece to the preheating furnace 4 through the transfer skip 121, the workpiece is transferred to the vacuum air-locking chamber 51 through the preheating furnace 4, then the workpiece enters the heating furnace 6 from the vacuum air-locking chamber 51, the workpiece is heated in a vacuum environment, after the heating is finished, the workpiece enters the bottom-transfer carburizing furnace 7 through the heating furnace 6, after the carburizing is finished, the workpiece is transferred to the diffusion furnace 8 for diffusion, then the diffusion furnace 8 is transferred to the cooling furnace 9, then the cooling furnace 9 is transferred to the quenching salt tank 11 through the transition platform 10 for quenching, the workpiece enters the transfer skip 121 after the quenching is finished, the workpiece is transferred to the front air-cooling platform 14 for cooling through the transfer skip 121, the workpiece is transferred to the salt washer 15 after the air cooling is finished, the workpiece is transferred to the tempering furnace 16 through the transfer skip 121 after the cleaning is finished, the workpiece is transferred to the rear air-cooling platform 17 for cooling after the tempering is finished, and the workpiece is transferred to the lifting platform 1 after the cooling is finished, and the whole process is finished.

When the work piece is processed by a salt bath bainite process flow, the work piece is conveyed to a material preparation table 2 by a lifting table 1 through a transfer skip 121 for material preparation, the work piece on the material preparation table 2 is transferred to a preheating furnace 4 through the transfer skip 121 for heating, then is transferred to a vacuum air-locking chamber 51 through the preheating furnace 4, is transferred to a heating furnace 6 from the vacuum air-locking chamber 51, heats the work piece in a vacuum environment, after heating, is transferred to a bottom-transfer carburizing furnace 7 through the heating furnace 6, after carburizing, the work piece is transferred to a diffusion furnace 8 for diffusion, then is transferred to a cooling furnace 9 through the transfer skip 9, then is transferred to a quenching salt tank 11 through the transfer skip 10 for quenching, after quenching, the work piece is transferred to the transfer skip 121, then is transferred to an isothermal salt tank 13, then enters a tempering furnace 16 through the isothermal salt tank 13, after tempering, the work piece is transferred to a rear air-cooling table 17, after air cooling, the work piece is transferred to a salt washer 15 through the transfer skip 121, after washing, and then is transferred to the lifting table 1 through the transfer skip 121.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The utility model provides a flexible multipotency stove production line, includes equipment unit, its characterized in that, equipment unit includes material lifting table, material preparation platform (2), preheating furnace (4), heating furnace (6), changes end carburizing furnace, diffusion furnace (8), cooling furnace (9), quenching salt groove (11), isothermal salt groove (13), preceding air cooling platform (14), back air cooling platform (17), tempering furnace (16), salt cleaning machine (15), still includes for equipment unit transports the transfer skip (121) of work piece, heating furnace (6) one side is equipped with and is used for making keep vacuum subassembly (5) in heating furnace (6).

2. A flexible multi-energy furnace production line according to claim 1, characterized in that: be equipped with transmission platform (12) between the equipment unit, the rigid coupling has on transmission platform (12) along slide rail (122) that transmission platform (12) up end set up, transfer skip (121) sliding connection is in on slide rail (122), transfer skip (121) are including setting up pulley (1211) in self lower extreme four corners department, pulley (1211) sliding connection is in on slide rail (122), be equipped with on transfer skip (121) with the drive assembly (123) that pulley (1211) are in slide on slide rail (122).

3. A flexible multi-energy furnace production line according to claim 2, characterized in that: the driving assembly (123) is provided as two driving motors (1231), the driving motors (1231) are positioned between two coaxially arranged pulleys (1211) and the driving motors (1231) are connected with the pulleys (1211) in a shaft way.

4. A flexible multi-energy furnace production line according to claim 1, characterized in that: the vacuum assembly (5) comprises a vacuum air locking chamber (51) arranged between the preheating furnace (4) and the heating furnace (6), and a vacuum pump (52) is arranged on the vacuum air locking chamber (51).

5. A flexible multi-energy furnace production line according to claim 1, characterized in that: be equipped with on diffusion stove (8) and be used for cooling subassembly (81) of work piece, cooling subassembly (81) include fan (812), communicate and the rigid coupling has cold blast pipe (811) on fan (812), cold blast pipe (811) pass diffusion stove (8) inner wall is arranged in diffusion stove (8).

6. A flexible multi-energy furnace production line according to claim 1, characterized in that: the temperature-reducing furnace (9) is provided with an infrared temperature detector (92) for detecting the temperature of the workpiece in the temperature-reducing furnace (9), and a heating piece for heating the workpiece in the temperature-reducing furnace (9) is arranged in the temperature-reducing furnace (9).

7. The flexible multi-energy furnace production line of claim 6, wherein: the heating piece is arranged as an electric heating pipe (91), and the electric heating pipe (91) is fixedly connected to the inner wall of the cooling furnace (9).

8. A flexible multi-energy furnace production line according to claim 1, characterized in that: a transition table (10) for connecting the cooling furnace (9) and the quenching salt tank (11) is arranged between the cooling furnace and the quenching salt tank.