阅读说明：本技术 高温快速压力回火机 (High-temperature quick pressure tempering machine ) 是由 王�锋 班文顺 于 2021-05-14 设计创作，主要内容包括：本发明公开了一种高温快速压力回火机,包括主机架、安装在主机架中部的工作台、安装在主机架一侧的自动控制电气箱、固定在工作台上的固定加热保温模块和上下活动连接在主机架上的活动加热保温模块以及驱动活动加热保温模块上下动作的加压油缸,所述活动加热保温模块和固定加热保温模块相对应,主机架的底部设有配合加压油缸的液压系统。本发明可给工件持续提供高温,通过加压油缸提供压力,使上下两个加热保温模块共同作用于工件上,使工件即能达到校平作用,又避开回火脆性区,使得工件能同时满足热处理回火要求,提高工件校平平整度,使金相组织结构均匀,内部应力均匀,工件硬度均匀,大大减轻后继人工校平工作,大大提高生产效率和产品性能。(The invention discloses a high-temperature rapid pressure tempering machine which comprises a main frame, a workbench arranged in the middle of the main frame, an automatic control electric box arranged on one side of the main frame, a fixed heating and heat-insulating module fixed on the workbench, a movable heating and heat-insulating module movably connected to the main frame up and down, and a pressurizing oil cylinder driving the movable heating and heat-insulating module to move up and down, wherein the movable heating and heat-insulating module corresponds to the fixed heating and heat-insulating module, and the bottom of the main frame is provided with a hydraulic system matched with the pressurizing oil cylinder. The invention can continuously provide high temperature for the workpiece, and provides pressure through the pressurizing oil cylinder, so that the upper heating and heat-insulating module and the lower heating and heat-insulating module jointly act on the workpiece, the workpiece can achieve the leveling effect, and the tempering brittle zone is avoided, so that the workpiece can simultaneously meet the heat treatment tempering requirement, the leveling flatness of the workpiece is improved, the metallographic structure is uniform, the internal stress is uniform, the hardness of the workpiece is uniform, the subsequent manual leveling work is greatly reduced, and the production efficiency and the product performance are greatly improved.)

1. The utility model provides a quick pressure tempering machine of high temperature which characterized in that: the automatic heating and heat preservation device comprises a rack, a workbench arranged in the middle of the rack, an automatic control electric box arranged on one side of the rack, a fixed heating and heat preservation module fixed on the workbench, a movable heating and heat preservation module movably connected to the rack from top to bottom and a pressurizing oil cylinder driving the movable heating and heat preservation module to move up and down, wherein the movable heating and heat preservation module corresponds to the fixed heating and heat preservation module, and the bottom of the rack is provided with a hydraulic system matched with the pressurizing oil cylinder.

2. A high temperature rapid pressure tempering machine according to claim 1, characterized in that: the fixed heating and heat-preserving module and the movable heating and heat-preserving module respectively comprise an electric heating tube mounting plate, a plurality of electric heating tubes mounted in the electric heating tube mounting plate, a heat-conducting plate fixed on one side of the electric heating tube mounting plate and a temperature measuring line mounted on the other side of the electric heating tube mounting plate, and the heat-conducting plate of the fixed heating and heat-preserving module corresponds to the heat-conducting plate of the movable heating and heat-preserving module.

3. A high temperature rapid pressure tempering machine according to claim 2, characterized in that: the electrothermal tube is divided into an upper layer and a lower layer, and the upper electrothermal tube and the lower electrothermal tube are arranged in a crossed manner, so that the sufficient power of the heating part is ensured, and the heating distribution is uniform and rapid.

4. A high temperature rapid pressure tempering machine according to claim 1, characterized in that: the pressurizing oil cylinder is installed at the top of the rack through an oil cylinder frame and is perpendicular to the center of the workbench, and the movable heating and heat-insulating module is connected with the end part of a piston rod of the pressurizing oil cylinder through a universal ball head structure.

5. A high temperature rapid pressure tempering machine according to claim 4, characterized in that: the universal ball head structure comprises a universal ball shaft and a ball shaft connecting seat, the movable heating and heat-insulating module is connected with the ball shaft connecting seat through an upper fixing seat, the fixed heating and heat-insulating module is fixed on the workbench through a lower fixing seat, and heat-insulating plates are arranged between the upper fixing seat and the ball shaft connecting seat, between the movable heating and heat-insulating module and the upper fixing seat, and between the fixed heating and heat-insulating module and the lower fixing seat.

6. A high temperature rapid pressure tempering machine according to claim 1, characterized in that: the frame adopts the whole welding process of shaped steel, and it includes four support post, installs roof between four support post tops, installs the bottom plate between four support post bottoms, and the bottom of every support post stretches out the bottom plate and forms the supporting legs, the workstation is installed between four support post's middle part.

7. A high temperature rapid pressure tempering machine according to claim 6, characterized in that: the pressurizing oil cylinder is inverted in the middle of the top plate, the hydraulic system is installed on the bottom plate, an upper reinforcing plate is arranged between the bottom of the top plate and each supporting upright, and a lower reinforcing plate is arranged between the bottom of the workbench and each supporting upright.

8. A high temperature rapid pressure tempering machine according to claim 3, characterized in that: the electric heating tube can continuously work at 600 ℃ for a long time, can bear the pressure of an external oil cylinder without being damaged, and has adjustable and controllable temperature.

9. A high temperature rapid pressure tempering machine according to claim 3, characterized in that: the heat conducting plate on one hand transfers heat to the workpiece quickly and uniformly, and on the other hand, the workpiece is effectively corrected in a hot state.

10. A high temperature rapid pressure tempering machine according to claim 3, characterized in that: the temperature measuring line feeds back the temperature state of the corresponding heating and heat-preserving module in real time, so that the temperature change area is controlled within 5 ℃.

Technical Field

The invention belongs to the field of heat treatment processing of saw blade parts, and particularly relates to a high-temperature rapid pressure tempering machine.

Background

In order to ensure the quality of the workpiece, the saw blade body is processed by adopting a heat treatment tempering device to carry out a heat treatment tempering procedure. At present, a conventional heat treatment tempering device is generally carried out under the conditions of continuous heating and long-time heat preservation of a box-type tempering furnace, a tempering brittleness area is difficult to avoid, the metallographic structure of a workpiece is uneven, the internal stress is uneven, and the flatness, stability and hardness uniformity of the workpiece cannot be ensured. Therefore, the workpiece needs to be leveled and destressed manually, the labor intensity of workers is high, and the production efficiency is low.

Disclosure of Invention

In order to solve the defects in the prior art, the invention provides a method

The high-temperature quick pressure tempering machine has the advantages that high temperature can be continuously provided for a workpiece, pressure is provided through the pressurizing oil cylinder, the upper heating and heat preservation module and the lower heating and heat preservation module act on the workpiece together, the workpiece can achieve the leveling effect and avoid a tempering brittle area, the workpiece can meet the heat treatment tempering requirement at the same time, the leveling flatness of the workpiece is improved, the metallographic structure is uniform, the internal stress is uniform, the hardness of the workpiece is uniform, subsequent manual leveling work is greatly relieved, and the production efficiency and the product performance are greatly improved.

The technical scheme of the invention is as follows: the utility model provides a quick pressure tempering machine of high temperature, includes the main frame, installs the workstation at the main frame middle part, installs the automatic control electric box in main frame one side, fixes fixed heating heat preservation module on the workstation and the movable heating heat preservation module of upper and lower swing joint on the main frame and the pressurization hydro-cylinder of drive activity heating heat preservation module action from top to bottom, activity heating heat preservation module and fixed heating heat preservation module are corresponding, the bottom of main frame is equipped with the hydraulic system of cooperation pressurization hydro-cylinder.

The invention can not only continuously provide high temperature for the workpiece, but also provide pressure through the pressurizing oil cylinder, so that the upper heating and heat-insulating module and the lower heating and heat-insulating module jointly act on the workpiece, the workpiece can achieve the leveling effect, and the tempering brittle zone is avoided, thereby the workpiece can simultaneously meet the requirements of heat treatment tempering, the leveling flatness of the workpiece is improved, the metallographic structure is uniform, the internal stress is uniform, and the hardness of the workpiece is uniform, thereby the subsequent manual leveling work is greatly reduced, and the production efficiency and the product performance are greatly improved.

Preferably, the fixed heating and heat-preserving module and the movable heating and heat-preserving module both comprise an electric heating tube mounting plate, a plurality of electric heating tubes mounted in the electric heating tube mounting plate, a heat-conducting plate fixed on one side of the electric heating tube mounting plate and a temperature measuring line mounted on the other side of the electric heating tube mounting plate, and the heat-conducting plate of the fixed heating and heat-preserving module corresponds to the heat-conducting plate of the movable heating and heat-preserving module.

The structure ensures that the workpiece avoids a high-temperature rapid tempering embrittlement zone, can improve the internal structural stability and metallographic structure uniformity of the workpiece, and almost eliminates internal residual stress; the appearance is that the surface smoothness and the flatness are good, and the strength and the toughness of the workpiece are obviously improved; thereby improving the service life and stability of the workpiece.

Preferably, the electric heating tubes are divided into an upper layer and a lower layer, and the electric heating tubes of the upper layer and the lower layer are arranged in a crossed manner, so that the sufficient power of the heating part is ensured, and the heating distribution is uniform and rapid.

Preferably, the pressurizing oil cylinder is installed at the top of the main frame through an oil cylinder frame, the pressurizing oil cylinder is perpendicular to the center of the workbench, and the movable heating and heat-insulating module is connected with the end part of a piston rod of the pressurizing oil cylinder through a universal ball head structure.

The structure ensures that the pressurizing oil cylinder is arranged outside the heating area, the influence of heating is extremely small, and the pressure supply is stable and reliable.

Preferably, the universal ball head structure comprises a universal ball shaft and a ball shaft connecting seat, the movable heating and heat-insulating module is connected with the ball shaft connecting seat through an upper fixing seat, the fixed heating and heat-insulating module is fixed on the workbench through a lower fixing seat, and heat-insulating plates are arranged between the upper fixing seat and the ball shaft connecting seat, between the movable heating and heat-insulating module and the upper fixing seat, and between the fixed heating and heat-insulating module and the lower fixing seat.

The structure can automatically balance the force transmission direction, fully ensure the uniformity of the positive pressure applied on the workpiece and avoid the generation of oblique non-uniform pressure. The oil cylinder group provides continuous, stable and uniform vertical pressure, and provides powerful guarantee for effectively improving various performances of the workpiece in the tempering process.

Preferably, the main frame is integrally welded by profile steel and comprises four supporting columns, a top plate arranged between the tops of the four supporting columns and a bottom plate arranged between the bottoms of the four supporting columns, the bottom of each supporting column extends out of the bottom plate to form a supporting leg, and the workbench is arranged between the middle parts of the four supporting columns.

The structure ensures the strength of the whole machine and provides guarantee for the oil cylinder to provide strong pressure. And secondly, the parallel error between the mounting surfaces is reduced to the minimum, so that the components can be ensured to be vertical or parallel when in work.

Preferably, the pressurizing oil cylinder is arranged in the middle of the top plate in an inverted mode, the hydraulic system is installed on the bottom plate, an upper reinforcing plate is arranged between the bottom of the top plate and each supporting upright, and a lower reinforcing plate is arranged between the bottom of the workbench and each supporting upright.

The structure ensures that the pressurizing oil cylinder and the hydraulic system are stably and reliably installed, and further ensures the overall strength.

Preferably, the electrothermal tube can not only continuously work for a long time in an environment with the temperature of 600 ℃, but also bear the pressure of an external oil cylinder without damage, and the temperature is adjustable and controllable.

Preferably, the heat-conducting plate on the one hand transfers heat to the workpiece quickly and uniformly and on the other hand allows the workpiece to be effectively corrected in the hot state.

Preferably, the temperature measuring line feeds back the temperature state of the corresponding heating and heat-preserving module in real time, so that the temperature change area is controlled within 5 ℃.

The invention greatly improves the stability of product quality and provides powerful guarantee for quickly and efficiently tempering the workpiece, avoiding the high-temperature tempering brittleness area of the workpiece, improving the metallographic structure of the product, eliminating residual stress, improving the surface flatness and improving the strength and toughness of the workpiece.

The invention can not only continuously provide high temperature for the workpiece, but also provide pressure through the pressurizing oil cylinder, so that the upper heating and heat-insulating module and the lower heating and heat-insulating module jointly act on the workpiece, the workpiece can achieve the leveling effect, and the tempering brittle zone is avoided, thereby the workpiece can simultaneously meet the requirements of heat treatment tempering, the leveling flatness of the workpiece is improved, the metallographic structure is uniform, the internal stress is uniform, and the hardness of the workpiece is uniform, thereby the subsequent manual leveling work is greatly reduced, and the production efficiency and the product performance are greatly improved.

Drawings

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

FIG. 2 is a schematic structural view of two heating and heat-preserving modules according to the present invention;

FIG. 3 is a schematic front view of two heating and heat-insulating modules according to the present invention;

FIG. 4 is a schematic view of the back of two heating and heat-preserving modules of the present invention;

in the figure, 1, a fixed heating and heat preservation module, 2, a movable heating and heat preservation module, 3, a workbench, 4, an automatic control electric box, 5, a pressurizing oil cylinder, 6, a hydraulic system, 7, an electric heating tube mounting plate, 8, an electric heating tube, 9, a heat conducting plate, 10, a temperature measuring line, 11, a supporting upright post, 12, a top plate, 13, a bottom plate, 14, a universal ball shaft, 15, a ball shaft connecting seat, 16, an oil cylinder frame, 17, an upper fixing seat, 18, a lower fixing seat, 19, an upper reinforcing plate and 20, a lower reinforcing plate are arranged.

Detailed Description

The present invention will be described in further detail with reference to the attached drawings, but the present invention is not limited thereto.

As shown in fig. 1-4, a high-temperature rapid pressure tempering machine comprises a main frame, a workbench 3 installed in the middle of the main frame, an automatic control electrical box 4 installed on one side of the main frame, a fixed heating and heat-insulating module 1 fixed on the workbench 3, a movable heating and heat-insulating module 2 movably connected to the main frame up and down, and a pressurizing oil cylinder 5 driving the movable heating and heat-insulating module 2 to move up and down, wherein the movable heating and heat-insulating module 2 corresponds to the fixed heating and heat-insulating module 1, and a hydraulic system 6 matched with the pressurizing oil cylinder 5 is arranged at the bottom of the main frame. The fixed heating and heat-preserving module 1 and the movable heating and heat-preserving module 2 both comprise an electric heating tube mounting plate 7, a plurality of electric heating tubes 8 mounted in the electric heating tube mounting plate 7, a heat-conducting plate 9 fixed on one side of the electric heating tube mounting plate 7 and a temperature measuring line 10 mounted on the other side of the electric heating tube mounting plate 7, and the heat-conducting plate of the fixed heating and heat-preserving module 1 corresponds to the heat-conducting plate of the movable heating and heat-preserving module 2. The electric heating pipe 8 is divided into an upper layer and a lower layer, and the electric heating pipes of the upper layer and the lower layer are arranged in a crossed manner, so that the sufficient power of a heating part is ensured, and the heating distribution is uniform and rapid. The pressurizing oil cylinder 5 is arranged at the top of the main frame through an oil cylinder frame 16, the pressurizing oil cylinder 5 is perpendicular to the center of the workbench 3, and the movable heating and heat-insulating module 2 is connected with the end part of a piston rod of the pressurizing oil cylinder 5 through a universal ball head structure. The universal ball head structure comprises a universal ball shaft 14 and a ball shaft connecting seat 15, the movable heating and heat-insulating module 2 is connected with the ball shaft connecting seat 15 through an upper fixing seat 17, the fixed heating and heat-insulating module 1 is fixed on the workbench 3 through a lower fixing seat 18, and heat insulation plates are arranged between the upper fixing seat 17 and the ball shaft connecting seat 15, between the movable heating and heat-insulating module 2 and the upper fixing seat 17, and between the fixed heating and heat-insulating module 1 and the lower fixing seat 18. The main frame is integrally welded by profile steel and comprises four supporting stand columns 11, a top plate 12 arranged between the tops of the four supporting stand columns 11 and a bottom plate 13 arranged between the bottoms of the four supporting stand columns 11, wherein the bottom of each supporting stand column extends out of the bottom plate 13 to form a supporting leg, and the workbench 3 is arranged between the middle parts of the four supporting stand columns 11. The pressurizing oil cylinder 5 is arranged in the middle of the top plate 11 in an inverted mode, the hydraulic system 6 is installed on the bottom plate 13, an upper reinforcing plate 19 is arranged between the bottom of the top plate 11 and each supporting upright column, and a lower reinforcing plate 20 is arranged between the bottom of the workbench 3 and each supporting upright column. The electric heating tube 8 can continuously work at 600 ℃ for a long time, can bear the pressure of an external oil cylinder without being damaged, and has adjustable and controllable temperature. The heat-conducting plate 9 on the one hand transfers heat quickly and uniformly to the workpiece and on the other hand allows the workpiece to be effectively corrected in the hot state. The temperature measuring line 10 feeds back the temperature state of the corresponding heating and heat-preserving module in real time, so that the temperature change area is controlled within 5 ℃.

When the automatic leveling device is used, a workpiece is placed on the fixed heating and heat-insulating module, the movable heating and heat-insulating module is driven to press downwards by the action of the pressurizing oil cylinder, the upper heating and heat-insulating module and the lower heating and heat-insulating module act on the workpiece together, so that the workpiece can achieve the leveling effect, namely, tempering and leveling, the workpiece can meet the heat treatment tempering requirement and improve the leveling flatness of the workpiece at the same time, the subsequent manual leveling work is greatly reduced, and the production efficiency can be greatly improved.

The method avoids a high-temperature rapid tempering brittle zone, improves the stability of the internal structure and the homogeneity of the metallographic structure of the product, and almost eliminates the internal residual stress; the appearance is that the surface smoothness and the flatness are good, and the strength and the toughness of the workpiece are obviously improved; thereby improving the service life of the processed product. The oil cylinder group is arranged outside the heating area, the influence of heating is extremely small, and the pressure supply is stable and reliable.

The pressurizing oil cylinder is vertical to the center of the workbench, and the connecting part of the universal ball shaft at the front end part can automatically balance the force transmission direction, fully ensure that the positive pressure of a workpiece is uniform and consistent, and avoid the generation of oblique non-uniform pressure; the pressurizing oil cylinder provides continuous, stable and uniform vertical pressure, and provides powerful guarantee for effectively improving various performances of the workpiece in the tempering process.

The two heating and heat-preserving modules adopt the built-in double-layer crossed electric heating tubes, so that the sufficient power of a heating part is ensured, and the heating distribution is uniform and rapid; the device can continuously work at the temperature of about 600 ℃ for a long time, and can bear the pressure of an external oil cylinder without damage. The temperature is adjustable and controllable. The heat-conducting plate on the one hand transfers heat to the workpiece quickly and uniformly again and on the other hand enables the workpiece to be effectively corrected in a hot state. The temperature measuring line (temperature sensor) feeds back the temperature state of the heating and heat-preserving module in real time, so that the temperature change area is controlled within 5 ℃, and the stability of the product quality is greatly improved. These all provide powerful guarantee for quick high-efficient tempering work piece, avoid work piece high temperature tempering brittle zone, improve product metallographic structure, eliminate residual stress, improve surface flatness, promote work piece intensity and toughness.

The main frame of the invention adopts the integral welding and integral processing of section steel. Firstly, guaranteed the intensity of complete machine, provide the guarantee for the hydro-cylinder provides powerful pressure. And secondly, the parallel error between the mounting surfaces is reduced to the minimum, so that the components can be ensured to be vertical or parallel when in work. Thirdly, compact structure, area is little, and installation maintenance is convenient.