CN215142544U

CN215142544U - Device for removing oxide skin on two end surfaces of hot bar

Info

Publication number: CN215142544U
Application number: CN202022922984.2U
Authority: CN
Inventors: 刘庆生; 曾琦; 姚洪亮; 刘波; 张南; 安思健
Original assignee: Beijing Research Institute of Mechanical and Electrical Technology
Current assignee: China National Machinery Institute Group Beijing Electromechanical Research Institute Co ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-12-14
Anticipated expiration: 2030-12-09

Abstract

The utility model discloses a device for removing oxide skin on the end surfaces at two ends of a hot bar material, which adopts high-pressure low-flow pressure water to remove the oxide skin, and the mode does not need a high-pressure water pump, has low cost, stable ejected water pressure, easily controlled pressure and flow and convenient maintenance, and the oxide skin clearance rate reaches more than 95 percent, and simultaneously solves the problems of low mechanical oxide skin removing efficiency, high oxide skin residue and high failure rate, and also reduces the high maintenance cost of a high-pressure water pump type oxide skin removing device; the utility model discloses a pressurized water sprays the bar terminal surface with certain angle, has pointed to get rid of bar both ends face cinder, has solved current deoxidization skin device and can only get rid of the bar periphery, can't get rid of the problem of terminal surface cinder.

Description

Device for removing oxide skin on two end surfaces of hot bar

Technical Field

The utility model relates to an automatic change in the forging line and get rid of the oxide skin in order to improve the forging quality and use a new technology in the forging field to the both ends terminal surface of hot bar.

Background

With the deepening of industry transfer and the development of high-end equipment manufacturing industry in China, a part of forging enterprises in China strengthen research and development cooperation and technology accumulation by absorbing and introducing technologies, and great progress is made on a forging technology process, a forging equipment level and forging capacity, but the processing of a certain station in a forging production line influences the quality of a forging piece, particularly, a layer of oxide skin is generated on the surface of the forging piece after medium-frequency heating, and the oxide skin is not easy to remove in a subsequent process and is easy to press and embed into the surface of the forging piece in the forging process, and pits are formed on the surface of the forging piece after shot blasting processing, so that the surface quality of the forging piece is seriously influenced. Although most of forgings can remove oxide skin on the circumferential surface of the bar during upsetting, the oxide skin on the end surfaces of two ends of the hot bar cannot be removed, so that the quality of the product is still affected by the residue of the oxide skin on the two end surfaces in subsequent processing of the upset forgings.

The traditional method for removing the oxide scale mainly comprises a mechanical vibration type, a steel brush type and a high-pressure water spraying type, but the methods have obvious defects. In addition, the convex-concave surface of the mechanical roller also provides a certain auxiliary function for removing the oxide skin, but the mode can only remove about 80 percent of the oxide skin, and the vibration impacts the mechanical structure of the device, so the device is easy to damage, and the maintenance and repair cost is very high; because the oxide skin has certain viscosity, the steel brush type removal effect is limited; the high-pressure water spraying type is the most common descaling mode abroad, the mode has high clearance, but the traditional high-pressure water descaling device adopts a water pump with the pressure as high as 30MPa, the water outlet pressure of a spray head reaches about 25MPa, the pump and the spray head are extremely easy to damage due to frequent starting and stopping, and the popularization and the use of the descaling device are limited due to high cost.

The existing descaling technology is mainly used for removing scale scales around forgings, and no descaling device special for removing the scale scales on the end faces of two ends of the forgings is provided.

The utility model discloses a high pressure low discharge's pressurized water gets rid of cinder, and this kind of mode need not high pressure water pump, and is with low costs, and the water pressure that erupts is stable, and pressure and flow are easily controlled, and it is convenient to maintain, and the cinder clearance reaches more than 95%, has solved mechanical type and has got rid of the cinder inefficiency, and the cinder remains the problem high and that the fault rate is high, has also reduced the high maintenance cost problem of high pressure water pump formula deoxidization skin device. The utility model discloses a pressurized water sprays the bar terminal surface with certain angle, has pointed the terminal surface cinder of getting rid of the bar, has solved current deoxidization skin device and can only get rid of the bar periphery, can't get rid of the problem of terminal surface cinder.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a device for removing oxide skins on the end surfaces of two ends of a hot bar material, namely the whole device comprises a hardware system and a functional system, wherein the hardware system comprises a descaling box, a pressure water system and a hydraulic system; the functional system comprises a control system, a detection system and a water purification and circulation system, wherein a descaling box, a pressure water system and a hydraulic system in the hardware system are mutually independent split structures, the pressure water system and the hydraulic system can be independently arranged at different positions of a workshop around the descaling box, and the hydraulic system is used for realizing a dispersedly-arranged descaling device for increasing the water pressure; the manipulator clamps the hot bar and carries out high-pressure water spraying descaling on the end surfaces at two ends in the moving process; the included angle between the high-pressure spray head of the descaling device and the vertical plane is 15 degrees; the inclination angle beta of the inclined plate of the frame of the box descaling machine and the water collecting tank is 100 degrees, and the width L of the inclined plate of the frame of the box descaling machine₁900 mm; each row of the high-pressure water nozzles is provided with 10 nozzles with 5 nozzles, and the distance L between the two rows of the nozzles₀660 mm; distance h between water inlet pipeline of nozzle and ground₃550mm, maximum height h of the descaling box₄750mm, maximum width dimension L₃900 mm; the pressure adjusting range of the pressure water system is 3MPa-4 MPa; the hydraulic system is used for providing power for the pressure water, the system pressure of the hydraulic system is 16MPa, and the adjustment is carried outThe working pressure of the oil cylinder can change the water pressure of a pressure water system, so that the water pressure and the injection speed can be adjusted according to the size of the bar; the detection system adopts a laser range finder for detection.

Drawings

FIG. 1 is a front view of an end descaling box;

FIG. 2 is a top view of the end descaling box;

FIG. 3 is a left side view of the head descaling box;

FIG. 4 is a view of a pressurized water system;

fig. 5 is a hydraulic system view.

Detailed Description

The embodiment of the utility model provides a constitute by hardware system and functional system two parts, wherein hardware system is by descaling the case (fig. 1, fig. 2, fig. 3), pressurized water system figure 4, hydraulic system figure 5 three major parts constitute, functional system contains control system, detecting system and water purification circulating system constitute, wherein descaling the case among the hardware system, pressurized water system and hydraulic system are split type, split type advantage can arrange a whole set of descaling device according to forging line's equipment overall arrangement is nimble, arrange pressurized water system and hydraulic system in the production line both sides, make the production line compact, practice thrift the space. According to the working principle of the embodiment, when the manipulator clamps the hot bar material and moves to the high-pressure spray head spraying area, the end descaling box sprays two end surfaces of the moving hot bar material through high-pressure water at a certain angle, so that the function of removing oxide skin on the end surfaces is realized; the pressure water system is used for providing pressure water for spraying the scale; the hydraulic system is used for providing power for the pressure water, the system pressure of the hydraulic system is 16MPa, and the hydraulic pressure of the pressure water system can be changed by adjusting the working pressure of the oil cylinder, so that the water pressure and the injection speed can be adjusted according to the size of the bar; the control system is used for controlling the starting and stopping of the pressure water and setting the water pressure; the detection system provides supplied material detection information for the control system, and the bar stock to be cleaned of the oxide skin is in a high-temperature red-hot state and can cause interference on a detection element, and the laser range finder has strong anti-interference performance and high measurement accuracy, so that the laser range finder is adopted for detection. When the detection system detects the bar stock, the direction control is performedThe system sends a signal, the descaling spray head starts to spray pressurized water to remove oxide skin on the surface of the bar, and after the bar leaves a spraying area, the pressurized water system is automatically closed to prepare for next removal; the pressure of the pressurized water system is adjustable between 3MPa and 4MPa, 6 high-pressure water nozzles are arranged in each row, 5 nozzles are arranged in each row, the number of the nozzles is 10, and the distance L between the two rows of the nozzles₀660mm (fig. 2) at an angle α of 15 ° to the horizontal (fig. 2); the water purification and circulation system is used for collecting the descaled wastewater, performing classified filtration and purification, and inputting the wastewater into a water tank of the pressure water system for cyclic utilization, so that the environmental pollution is reduced, and the environmental protection is facilitated.

In the embodiment, FIG. 1 is a front view of a descaling box, wherein 6 is a left high-pressure water nozzle, 7 is a large bar, 8 is a small bar, 9 is a water inlet pipeline, 5 is a descaling box frame, 10 is a right high-pressure water nozzle, and the width L of the descaling box₃900mm, descaling box height h₄750mm, the fixed width L4 of the descaling box is 800mm, and the height h3 of the water inlet pipeline from the ground is 550 mm; FIG. 2 is a plan view of the descaling box, wherein 4 is a water collecting tank and the width L of the descaling machine frame₁900mm, water collecting tank width L₂1100mm, 800mm for water collecting tank, 900mm for descaling box, 200mm for D, and three-way space for water inlet; FIG. 3 is a left side view of the descaling box, wherein the inclination angle β of the frame of the descaling box is 100 °, and the fixed length L5 of the descaling box is 900 mm; fig. 4 is a view of a pressure water system, fig. 5 is a view of a hydraulic system, and fig. 4 and fig. 5 are designed separately from a descaling box, the three are independent of each other, the pressure water system and the hydraulic system can be arranged at other positions of a workshop, the space of a production line is not occupied, and the split design is convenient to repair and maintain.

The above description is only a preferred embodiment of the present invention, and all changes made by the claims of the present invention should be considered as falling within the scope of the present invention.

Claims

1. A device for removing oxide skins on two end surfaces of a hot bar material comprises a hardware system and a functional system, wherein the hardware system comprises a descaling box, a pressure water system and a hydraulic system; the functional system comprises a control system, a detection system and a water purification and circulation system, wherein the descaling box, the pressure water system and the hydraulic system in the hardware system are mutually independent split structures, and the pressure water system and the hydraulic system can be independently arranged in different workshops around the descaling box

In this case, the hydraulic system is used to implement a decentralized arrangement of scale removal devices which increase the hydraulic pressure.

2. The apparatus for descaling both end surfaces of a hot bar according to claim 1, wherein the robot holds the hot bar while moving to perform high-pressure water-jet descaling on both end surfaces.

3. The apparatus for descaling hot bar stock according to claim 1, wherein the angle α between the high-pressure nozzle of the descaling apparatus and the vertical plane is 15 °.

4. The apparatus for descaling hot bar stock by two-sided surface scale according to claim 1, wherein the inclination angle β of the inclined plate of the descaling box frame to the water collection tank is 100 °, and the width L of the inclined plate of the descaling box frame is 100 °₁＝900mm。

5. The apparatus for descaling hot bar stock at both ends according to claim 1, wherein the high-pressure water nozzles are arranged in two rows of 5 nozzles and 10 nozzles, and the distance L between the two rows of nozzles₀＝660mm。

6. The apparatus for descaling hot bar stock according to claim 1, wherein the distance h between the water inlet line of the shower head and the ground₃550mm, maximum height h of the descaling box₄750mm, maximum width dimension L₃＝900mm。

7. The apparatus for descaling hot rod both ends according to claim 1, wherein the pressure adjustment range of the pressurized water system is 3MPa to 4 MPa.

8. The apparatus for descaling hot bar stock according to claim 1, wherein a hydraulic system is used to provide power for the pressurized water, the system pressure of the hydraulic system is 16MPa, and the adjustment of the operating pressure of the cylinders can change the water pressure of the pressurized water system, so that the adjustment of the water pressure and the injection speed can be performed according to the size of the bar stock.

9. The apparatus for descaling hot bar stock according to claim 1, wherein the detection system uses a laser range finder for detection.