CN220196261U - Automatic high-temperature forging water cooling conveying lifting system - Google Patents

Automatic high-temperature forging water cooling conveying lifting system Download PDF

Info

Publication number
CN220196261U
CN220196261U CN202321352439.1U CN202321352439U CN220196261U CN 220196261 U CN220196261 U CN 220196261U CN 202321352439 U CN202321352439 U CN 202321352439U CN 220196261 U CN220196261 U CN 220196261U
Authority
CN
China
Prior art keywords
water
water tank
conveying
forging
heat exchanger
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202321352439.1U
Other languages
Chinese (zh)
Inventor
兰芳
李小涛
陈志林
黄一波
夏锟
魏鹏
周建新
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan New Wichita Machinery Co ltd
Original Assignee
Wuhan New Wichita Machinery Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhan New Wichita Machinery Co ltd filed Critical Wuhan New Wichita Machinery Co ltd
Priority to CN202321352439.1U priority Critical patent/CN220196261U/en
Application granted granted Critical
Publication of CN220196261U publication Critical patent/CN220196261U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses an automatic-based high-temperature forging water cooling conveying lifting system, which comprises a water tank, a conveying lifting machine arranged on the water tank, a rotating speed driving assembly arranged on the conveying lifting machine, a flat plate type heat exchanger and a sewage filtering box which are connected with the water tank, a water tank internal circulation assembly arranged between the flat plate type heat exchanger and the sewage filtering box, and a robot for conveying high-temperature aluminum alloy forgings, wherein the water tank is connected with the conveying lifting machine; the rotating speed driving assembly comprises a driving motor connected with the conveying elevator and a driving frequency converter connected with the driving motor; the utility model can effectively ensure the water cooling process requirement of the high-temperature aluminum alloy forging, effectively avoid the deformation of the high Wen Kepeng of the forging through water cooling and automatic transmission of the high-temperature forging, ensure the surface quality of the forging, and simultaneously reduce the labor intensity of workers and the heat radiation caused by the high-temperature forging.

Description

Automatic high-temperature forging water cooling conveying lifting system
Technical Field
The utility model belongs to the technical field of high-temperature forging cooling, and particularly relates to an automatic-based high-temperature forging water cooling, conveying and lifting system.
Background
The forging is a processing flow. Forgings are articles in which metal is forced to shape by plastic deformation into a desired shape or a suitable compressive force. Such force is typically achieved through the use of a hammer or pressure. The forging process builds a fine grain structure and improves the physical properties of the metal. In real use of the component, a proper design enables the particle flow to be in the direction of the main pressure. The forging needs to be uniform from piece to piece without any porosity, inclusions or other imperfections. The component produced in this way has a high strength to weight ratio. The forging has the advantages of being extensible in length; a collapsible length, an extendable cross-section; a variable length, a variable cross section.
In most cases, the aluminum alloy forgings need to be rapidly cooled at high temperature after high-temperature forging to ensure quenching, and the slow cooling at low temperature can reduce the tissue stress, but most of the aluminum alloy forgings are manually put into water and then taken out, so that the labor intensity and the high-temperature heat radiation are relatively high. In addition, the high-temperature aluminum alloy forging is not enough in water cooling time, so that collision and deformation of the high-temperature forging are easy to occur, the surface quality of the forging is affected, and the requirements of enterprises and markets cannot be met.
Therefore, an automatic water cooling lifting device capable of realizing automatic water cooling and production line conveying and ensuring consistency of quality of high-temperature forging products is needed.
Disclosure of Invention
Aiming at the defects or improvement demands of the prior art, the utility model provides an automatic high-temperature forging water cooling conveying lifting system, which adopts a robot conveying design, a customized water tank design, a conveying chain lifting device design, a water tank water circulation cooling design, and a water tank automatic water supplementing and sewage filtering design; the formed hot aluminum alloy forging is accurately placed on the conveying hoist in the water tank through the robot, the running speed of the conveying hoist is controlled through the rotating speed driving assembly to control the cooling time of the high-temperature aluminum alloy forging in the water tank, the flat plate type heat exchanger and the external circulating water are subjected to heat exchange, and then return to the water tank through the water tank internal circulating water outlet on the water tank internal circulating assembly, so that the whole heat exchange process is rapid and efficient, the water cooling process requirement of the high-temperature aluminum alloy forging can be effectively ensured, the consistency of products is ensured, the high Wen Kepeng deformation of the forging is effectively avoided through water cooling and automatic conveying of the high-temperature forging, the surface quality of the forging is ensured, and meanwhile, the labor intensity of workers and the heat radiation caused by the high-temperature forging can be lightened.
In order to achieve the above purpose, the utility model provides an automatic high-temperature forging water cooling conveying lifting system, which comprises a water tank, a conveying lifting machine arranged on the water tank, a rotating speed driving assembly arranged on the conveying lifting machine, a flat plate type heat exchanger and a sewage filtering tank which are connected with the water tank, a water tank internal circulation assembly arranged between the flat plate type heat exchanger and the sewage filtering tank, and a robot for conveying high-temperature aluminum alloy forgings.
Further, the conveying hoister is S-shaped, is partially arranged in the water tank and is partially arranged outside the water tank.
Further, the rotating speed driving assembly comprises a driving motor connected with the conveying elevator and a driving frequency converter connected with the driving motor;
the driving frequency converter is used for controlling the rotating speed of the driving motor, so as to control the running speed of the conveying hoister.
Further, the water tank internal circulation assembly comprises a water tank internal circulation water inlet connected with the sewage filtering tank and a water tank internal circulation water pump motor connected with the water tank internal circulation water inlet;
one end of the water tank internal circulating water pump motor, which is far away from the water tank internal circulating water inlet, is connected with the flat plate type heat exchanger;
the flat plate type heat exchanger is connected with the water tank through a circulating water outlet in the water tank.
Further, the flat plate type heat exchanger is provided with a heat exchanger outer circulation water outlet and a heat exchanger outer circulation water inlet, and the heat exchanger outer circulation water outlet and the heat exchanger outer circulation water inlet are communicated with the factory cooling circulation water.
Further, a water temperature detection sensor is arranged in the water tank; after the water temperature in the water tank exceeds the set temperature, the motor of the circulating water pump in the water tank starts to work.
Further, a water tank water replenishing pipe is arranged on the side wall of the water tank, and a water level floating ball controller is connected to the water tank water replenishing pipe.
Further, the conveying elevator comprises a first horizontal section, an inclined lifting section and a second horizontal section which are sequentially connected;
the first horizontal section, the inclined lifting section and the second horizontal section are integrally formed.
Further, the first horizontal section is arranged at the bottom of the water tank, and after water is filled in the water tank, the first horizontal section is submerged in the water tank;
one end of the inclined lifting section, which is close to the first horizontal section, is positioned in the water tank, and one end of the inclined lifting section, which is close to the second horizontal section, is positioned outside the water tank;
the second horizontal segment is positioned higher than the first horizontal segment.
Further, a motor bracket is arranged above the second horizontal section; the driving motor is arranged on the motor bracket.
In general, the above technical solutions conceived by the present utility model, compared with the prior art, enable the following beneficial effects to be obtained:
according to the automatic high-temperature forging water cooling, conveying and lifting system, a robot carrying design, a customized water tank design, a conveying chain lifting device design, a water tank water circulating and cooling design and a water tank automatic water supplementing and sewage filtering design are adopted, the formed hot aluminum alloy forging is accurately placed on a conveying lifting machine in a water tank through a robot, the running speed of the conveying lifting machine is controlled through a rotating speed driving assembly to control the cooling time of the high-temperature aluminum alloy forging in the water tank, the flat plate type heat exchanger and external circulating water are subjected to heat exchange through a heat exchanger, and then the water tank internal circulating water outlet on the water tank internal circulating assembly returns to the water tank, the whole heat exchange process is rapid and efficient, the water cooling process requirement of the high-temperature aluminum alloy forging is effectively guaranteed, the consistency of products is guaranteed, the high Wen Kepeng deformation of the high-temperature forging is effectively avoided through water cooling and automatic conveying, the surface quality of the forging is guaranteed, the labor intensity of enterprises and market demands are met, and meanwhile the labor intensity of workers and the heat radiation caused by the high-temperature forging can be lightened.
Drawings
FIG. 1 is a schematic side view of a water cooling, conveying and lifting system for high temperature forgings based on automation in accordance with an embodiment of the present utility model;
FIG. 2 is a schematic top view of a water cooling, conveying and lifting system for high temperature forgings based on automation in accordance with an embodiment of the present utility model;
fig. 3 is a schematic three-dimensional structure diagram of a water cooling, conveying and lifting system for high-temperature forgings based on automation in an embodiment of the utility model.
Like reference numerals denote like technical features throughout the drawings, in particular: the device comprises a 1-water tank, a 2-conveyor chain lifting machine, a 21-first horizontal section, a 22-inclined lifting section, a 23-second horizontal section, a 231-motor support, a 3-driving motor, a 4-flat plate type heat exchanger, a 5-heat exchanger outer circulation water outlet, a 6-heat exchanger outer circulation water inlet, a 7-robot, an 8-sewage filtering tank, a 9-water tank inner circulation water inlet, a 10-water tank inner circulation water pump motor, an 11-water tank inner circulation water outlet, a 12-water temperature detection sensor, a 13-driving frequency converter, a 14-water level floating ball controller and a 15-water tank water supplementing pipe.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
In the description of the present utility model, it will be understood that when an element is referred to as being "mounted," "disposed," or "disposed" on another element, it can be directly on the other element or be indirectly on the other element unless explicitly stated and limited otherwise. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element; the terms "mounted," "connected," and "provided" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
As shown in fig. 1 to 3, the utility model provides an automatic high-temperature forging water cooling and conveying lifting system, which is used in an aluminum alloy forging automatic line and comprises a water tank 1, a conveying lifting machine 2 arranged on the water tank 1, a rotating speed driving assembly arranged on the conveying lifting machine 2, a flat plate heat exchanger 4 and a sewage filtering box 8 which are connected with the water tank 1, a water tank internal circulation assembly arranged between the flat plate heat exchanger 4 and the sewage filtering box 8, and a robot 7 for conveying high-temperature aluminum alloy forgings; the rotating speed driving assembly comprises a driving motor 3 connected with the conveying elevator 2 and a driving frequency converter 13 connected with the driving motor 3; the driving frequency converter 13 is used for controlling the rotating speed of the driving motor 3, so as to control the running speed of the conveying hoister 2; during operation, the high-temperature aluminum alloy forging is clamped and carried to a conveying lifter 2 submerged in a water tank 1 through a robot 1, a driving frequency converter 13 controls a motor 3 to operate so as to control the operation speed of the conveying lifter, and the high-temperature aluminum alloy forging is conveyed and cooled on the conveying lifter 2 through a part in water and then slowly lifted out of the water surface to reach a later working procedure part; according to the utility model, the formed heat aluminum alloy forging is accurately placed on a conveying elevator in a water tank through a robot, the running speed of the conveying elevator is controlled through a rotating speed driving assembly to control the cooling time of the high-temperature aluminum alloy forging in the water tank, the heat exchange is carried out between a flat plate heat exchanger 4 and external circulating water through a water tank internal circulating water outlet on a water tank internal circulating assembly, the external circulating water inlet and water outlet of the flat plate heat exchanger are communicated with factory cooling circulating water, the whole heat exchange process is rapid and efficient, and the labor intensity of workers and the heat radiation hazard of the high-temperature forging can be effectively reduced while the water cooling process requirement of the high-temperature aluminum alloy forging is effectively ensured.
Further, as shown in fig. 1 to 3, the internal circulation assembly of the water tank comprises an internal circulation water inlet 9 connected with the sewage filtering tank 8 and an internal circulation water pump motor 10 connected with the internal circulation water inlet 9 of the water tank; one end of the water circulating pump motor 10 in the water tank, which is far away from the water circulating inlet 9 in the water tank, is connected with the flat plate heat exchanger 4; the flat plate type heat exchanger 4 is connected with the water tank 1 through a water tank internal circulation water outlet 11; the sewage filter box 8 is used for filtering impurities in the water tank so as not to block the circulating water pump motor 10 in the water tank.
Further, as shown in fig. 1 to 3, the flat plate heat exchanger 4 is provided with a heat exchanger external circulation water outlet 5 and a heat exchanger external circulation water inlet 6, and the heat exchanger external circulation water outlet 5 and the heat exchanger external circulation water inlet 6 are communicated with the plant cooling circulation water.
Further, as shown in fig. 1-3, a water temperature detecting sensor 12 is provided in the water tank 1, and is configured to detect the water temperature in the water tank 1 in real time, and after the water temperature in the water tank 1 exceeds a set temperature, the water circulation pump motor 10 in the water tank starts to operate.
Further, as shown in fig. 1-3, a water tank water replenishing pipe 15 is arranged on the side wall of the water tank 1, and a water level floating ball controller 14 is connected to the water tank water replenishing pipe 15; when the water tank is in operation, the water level in the water tank is also reduced along with the slow consumption of the service time, the water level floating ball controller 14 controls the valve of the water tank water supplementing pipe 15 to open the water supply tank 1 for supplementing water, and the water tank stops after reaching the set water level.
Further, as shown in fig. 1-3, the conveying lifter 2 is S-shaped, and is partially disposed inside the water tank 1 and partially disposed outside the water tank 1; the conveying elevator 2 comprises a first horizontal section 21, an inclined lifting section 22 and a second horizontal section 23 which are connected in sequence; the first horizontal section 21, the inclined lifting section 22 and the second horizontal section 23 are integrally formed; the first horizontal section 21 is arranged at the bottom of the water tank 1, and after the water tank 1 is filled with water, the first horizontal section 21 is submerged in the water tank 1; one end of the inclined lifting section 22, which is close to the first horizontal section 21, is positioned inside the water tank 1, and one end of the inclined lifting section, which is close to the second horizontal section 23, is positioned outside the water tank 1; the second horizontal section 23 is located higher than the first horizontal section 21; a motor bracket 231 is arranged above the second horizontal section 23; the driving motor 3 is provided on the motor bracket 231.
The utility model provides an operating principle of a high-temperature forging water cooling transmission lifting system based on automation: after the aluminum alloy forging automatic line is started, continuously high-temperature aluminum alloy forgings are clamped by a robot 7 according to a certain production beat and are sent to a conveying lifter 2 in a water tank, the conveying lifter is slowly lifted out of the water after being cooled by water, and then the conveying lifter stably reaches the following working procedures. The operation of the motor 3 is controlled by driving the frequency converter 13 so as to control the operation speed of the conveying lifter to control the water cooling time of the high-temperature aluminum alloy forging, and the high-temperature aluminum alloy forging is conveyed to the conveying lifter by a robot, so that the labor intensity of workers and the heat radiation hazard of the high-temperature forging can be effectively reduced; in the working process, the high-temperature aluminum alloy forging is continuously cooled by water in the water tank, the water temperature of the water tank is slowly increased along with the time, the water temperature is detected by the water temperature detection sensor 12, after the water temperature exceeds the set temperature, the motor 10 of the circulating water pump in the water tank starts to work, and the water is pumped to the flat plate type heat exchanger 4 through the circulating water pump in the water tank by the circulating water inlet 9 in the water tank, exchanges heat with the external circulating water in the heat exchanger and then returns to the water tank through the circulating water outlet 11 in the water tank. The external circulation water inlet and outlet of the flat plate heat exchanger are communicated with the cooling circulating water of the factory; the whole heat exchange process is quick and efficient; the high-temperature forging is effectively cooled by water in the water tank, so that the forging cooling process requirement is met, collision and deformation of the high-temperature forging are avoided, the surface quality of the forging is ensured, and the requirements of enterprises and markets are met; meanwhile, the water level in the water tank is reduced along with the slow consumption of the service time, the water level floating ball controller 14 controls the valve of the water tank water supplementing pipe 15 to open the water supplementing of the water tank, and the water tank stops after reaching the set water level; impurities in the water tank are filtered through the sewage filtering tank 8 so as to avoid blocking the motor of the circulating water pump in the water tank; the utility model adopts a robot carrying design, a customized water tank design, a conveying chain lifting device design, a water tank water circulation cooling design and a water tank automatic water supplementing and sewage filtering design; the formed hot aluminum alloy forging is accurately placed on a conveying lifter in a water tank through a robot, the running speed of the conveying lifter is controlled through a rotating speed driving assembly to control the cooling time of the high-temperature aluminum alloy forging in the water tank, the water cooling process requirement of the high-temperature aluminum alloy forging can be effectively ensured, the consistency of products is ensured, the high Wen Kepeng deformation of the forging is effectively avoided through water cooling and automatic conveying of the high-temperature forging, the surface quality of the forging is ensured, and the requirements of enterprises and markets are met; meanwhile, the labor intensity of workers and the heat radiation brought by the high-temperature forge piece can be reduced.
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the utility model and is not intended to limit the utility model, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims (10)

1. Automatic high temperature forging water cooling conveying lifting system based on, its characterized in that: the device comprises a water tank (1), a conveying lifting machine (2) arranged on the water tank (1), a rotating speed driving assembly arranged on the conveying lifting machine (2), a flat plate type heat exchanger (4) and a sewage filtering box (8) which are connected with the water tank (1), a water tank internal circulation assembly arranged between the flat plate type heat exchanger (4) and the sewage filtering box (8), and a robot (7) for carrying high-temperature aluminum alloy forgings.
2. The automated high temperature forging water cooling transfer lifting system as recited in claim 1, wherein: the conveying hoister (2) is S-shaped, is partially arranged inside the water tank (1), and is partially arranged outside the water tank (1).
3. The automated high temperature forging water cooling transfer lifting system as recited in claim 2, wherein: the rotating speed driving assembly comprises a driving motor (3) connected with the conveying elevator (2) and a driving frequency converter (13) connected with the driving motor (3);
the driving frequency converter (13) is used for controlling the rotating speed of the driving motor (3) so as to control the running speed of the conveying hoister (2).
4. The automated high temperature forging water cooling transfer lifting system as recited in claim 3, wherein: the water tank internal circulation assembly comprises a water tank internal circulation water inlet (9) connected with the sewage filtering tank (8) and a water tank internal circulation water pump motor (10) connected with the water tank internal circulation water inlet (9);
one end of the water tank internal circulating water pump motor (10) far away from the water tank internal circulating water inlet (9) is connected with the flat plate type heat exchanger (4);
the flat plate type heat exchanger (4) is connected with the water tank (1) through a water tank internal circulation water outlet (11).
5. The automated high temperature forging water cooling transfer lifting system as recited in claim 4, wherein: the flat plate type heat exchanger (4) is provided with a heat exchanger outer circulation water outlet (5) and a heat exchanger outer circulation water inlet (6), and the heat exchanger outer circulation water outlet (5) is communicated with the heat exchanger outer circulation water inlet (6) and the factory cooling circulation water.
6. The automated high temperature forging water cooling transfer lifting system as recited in claim 5, wherein: a water temperature detection sensor (12) is arranged in the water tank (1); after the water temperature in the water tank (1) exceeds the set temperature, the water circulating pump motor (10) in the water tank starts to work.
7. The automated high temperature forging water cooling transfer lifting system as recited in claim 6, wherein: the side wall of the water tank (1) is provided with a water tank water supplementing pipe (15), and the water tank water supplementing pipe (15) is connected with a water level floating ball controller (14).
8. The automated high temperature forging water cooling transfer lift system of claim 7, wherein: the conveying elevator (2) comprises a first horizontal section (21), an inclined lifting section (22) and a second horizontal section (23) which are connected in sequence;
the first horizontal section (21), the inclined lifting section (22) and the second horizontal section (23) are integrally formed.
9. The automated high temperature forging water cooling transfer lift system of claim 8, wherein: the first horizontal section (21) is arranged at the bottom of the water tank (1), and after the water tank (1) is filled with water, the first horizontal section (21) is submerged in the water tank (1);
one end of the inclined lifting section (22) close to the first horizontal section (21) is positioned inside the water tank (1), and one end of the inclined lifting section close to the second horizontal section (23) is positioned outside the water tank (1);
the second horizontal section (23) is located higher than the first horizontal section (21).
10. The automated high temperature forging water cooling transfer lift system of claim 9, wherein: a motor bracket (231) is arranged above the second horizontal section (23); the driving motor (3) is arranged on the motor bracket (231).
CN202321352439.1U 2023-05-31 2023-05-31 Automatic high-temperature forging water cooling conveying lifting system Active CN220196261U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321352439.1U CN220196261U (en) 2023-05-31 2023-05-31 Automatic high-temperature forging water cooling conveying lifting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321352439.1U CN220196261U (en) 2023-05-31 2023-05-31 Automatic high-temperature forging water cooling conveying lifting system

Publications (1)

Publication Number Publication Date
CN220196261U true CN220196261U (en) 2023-12-19

Family

ID=89143558

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321352439.1U Active CN220196261U (en) 2023-05-31 2023-05-31 Automatic high-temperature forging water cooling conveying lifting system

Country Status (1)

Country Link
CN (1) CN220196261U (en)

Similar Documents

Publication Publication Date Title
CN220196261U (en) Automatic high-temperature forging water cooling conveying lifting system
CN110670004A (en) Continuous heat treatment production line for improving strength of aluminum alloy and working method thereof
CN105862055B (en) A kind of tubing surfaces externally and internally acid dip pickle
CN109940121B (en) Production line of large low-temperature different components for nuclear fusion reactor superconducting magnet
CN218175037U (en) Rapid cooling device for high-strength alloy screw tap heat treatment processing
CN219120885U (en) A circulating cooling device for pesticide production
CN204711033U (en) A kind of charging equipment of steel pipe bender
CN216337953U (en) Part surface phosphating device
CN215713211U (en) Steel pipe sprays quenching system
CN213944763U (en) Cooling device for forging automobile parts
CN215906247U (en) Heat treatment equipment for stainless steel heat-resistant steel forging
CN110778544B (en) Hydraulic driving system of numerical control punch and hydraulic source device thereof
CN212025399U (en) Cooling circulation device for heat treatment quenching bath
CN209397241U (en) A kind of interior circulation increasing cooling rate device of quenching bath
CN218210975U (en) Water cooling system cleaning device without stopping
CN214361568U (en) Heat treatment device for radiator production
CN219507982U (en) Cooling system for solution heat treatment of duplex stainless steel pipe
CN219297581U (en) Sand discharging quenching tank and industrial furnace provided with same
CN201362739Y (en) Metallic titanium coiled material vacuum thermal treatment furnace
CN218580007U (en) Continuous quenching cooling device for large gear
CN218232489U (en) Cooling device for high-precision forging forming
CN220092987U (en) Internal circulation water cooling equipment
CN216919379U (en) Intelligent mesh belt type heat treatment furnace production line
CN210237776U (en) Phosphating device for production of forged steel bars
CN115161446B (en) Automatic control quenching equipment for waste heat utilization

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant