CN-121977350-A - Vacuum casting feeding method, system and equipment

CN121977350ACN 121977350 ACN121977350 ACN 121977350ACN-121977350-A

Abstract

The invention relates to the technical field of vacuum casting, in particular to a vacuum casting feeding method, a system and equipment. The method comprises the steps of controlling a clamping module of a charging chamber to capture a material taking rod unit, acquiring a downward first acting force applied by the material taking rod unit borne by the clamping module in real time, opening a top cover of a smelting chamber, enabling the charging chamber to be located above the smelting chamber, controlling the clamping module to descend the material taking rod unit into a smelting furnace of the smelting chamber until the first acting force is reduced to a target force value, and controlling the clamping module to loosen the material taking rod unit, so that the problem that whether the material taking rod unit is placed into the smelting furnace or not cannot be judged quickly and accurately in the vacuum casting charging process is solved.

Inventors

JIN LEI
LI WANQING
HE YONGLIANG
ZHANG PENGCHENG
DOU BO
LIU JINGYAN
HAN BAI
WANG TIECHEN
SHEN MIN
LIU ZHIZHONG
XIE HUASHENG
DU BING
YANG JINGMING
Wang Yita
ZHANG HELONG
WEN SHAOWEI
LIU XINFENG

Assignees

中国机械总院集团沈阳铸造研究所有限公司

Dates

Publication Date: 20260505
Application Date: 20260407

Claims (14)

1. A vacuum casting charging method, characterized in that the vacuum casting charging method comprises: a clamping module of the feeding chamber is controlled to grasp the material taking rod unit; acquiring a downward first acting force applied by the material rod unit born by the clamping module in real time; opening a top cover of the smelting chamber, wherein the charging chamber is positioned above the smelting chamber; and controlling the clamping module to descend the rod unit into a smelting furnace of the smelting chamber until the first acting force is reduced to a target force value, and controlling the clamping module to loosen the rod unit.
2. The vacuum casting charging method according to claim 1, wherein the gripping module gripping bar unit of the control charging chamber comprises: controlling a carrier vehicle to move the material rod unit to the charging chamber; Controlling the clamping module to grab the material rod unit from the carrier; and controlling the empty carrier to move out of the charging chamber, and completing the grabbing of the material rod unit by the clamping module.
3. A vacuum casting charging method according to claim 2, wherein said control carriage moves said bar units to said charging chamber, comprising: The material rod unit is loaded on the carrier, wherein the material rod unit is columnar, the material rod unit comprises a central material rod and a plurality of auxiliary material rods, the central material rod and the auxiliary material rods are parallel and are fixed through bundling, the central material rod is positioned at the axis of the material rod unit, the auxiliary material rods are positioned around the central material rod, the material rod unit is vertically placed in a state of being loaded on the carrier, the top end of the central material rod is higher than the top end of the auxiliary material rod, the bottom end of the central material rod is higher than the bottom end of the auxiliary material rod, a positioning groove is formed by surrounding the auxiliary material rod in a space below the central material rod, a positioning boss on the carrier is inserted into the positioning groove, and the bottom end of the auxiliary material rod is abutted against the upper surface of the carrier; and controlling the carrier to move towards the charging chamber until the rod unit is positioned in the charging chamber.
4. A vacuum casting charging method according to claim 3, wherein said controlling said gripping module to grip said stick units from said carrier vehicle comprises: Controlling the clamping module to clamp the top end of the central material rod; and controlling the clamping module to move upwards so as to separate the rod unit from the carrier vehicle.
5. The vacuum casting charging method according to claim 4, wherein said loading said bar units on said carriage comprises: Placing the material rod unit at a detection position on the carrier vehicle so that the central material rod is positioned above a first magnetic attraction part on the carrier vehicle; controlling the first magnetic suction part to generate a first downward suction force on the central material rod; when the central material rod is kept static under the action of the first suction force, the material rod unit is placed at the fixed position of the bearing vehicle, so that the positioning boss is inserted into the positioning groove.
6. A method of vacuum casting charging according to claim 4, wherein said controlling said carriage to move toward said charging chamber until said stick unit is located in said charging chamber comprises: Controlling a second magnetic attraction part on the carrier to generate downward attraction force on the additive rod; And when the material rod unit is under the joint positioning action of the positioning boss and the second magnetic attraction part, controlling the carrier to move towards the charging chamber until the material rod unit is positioned in the charging chamber.
7. The method of vacuum casting charging according to claim 6, wherein said controlling said gripper module to move upward to disengage said bar unit from said carriage comprises: controlling a second magnetic attraction part to apply a second downward attraction force to the additive bar; when the material rod unit is under the action of the second suction force, the clamping module is controlled to apply an upward first tension to the central material rod; When the material rod unit keeps stable in structure under the action of the second suction force and the first tension force, releasing the second suction force; when the second suction force is released, the clamping module is controlled to drive the material rod unit to ascend so as to separate the material rod unit from the carrier vehicle.
8. The vacuum casting charging method according to claim 7, wherein the first tensile force satisfies G < F1< G+δF, F1 is the first tensile force, G is the gravity of the rod unit, and δF is the second suction force.
9. A charging smelting system for use in a vacuum casting charging process according to any one of claims 1 to 8, the charging smelting system comprising: the feeding unit comprises a feeding chamber and a clamping module, wherein the clamping module is positioned in the feeding chamber; The smelting unit comprises a smelting chamber and a smelting furnace, wherein the smelting chamber comprises a smelting chamber and a top cover, a charging opening is formed in the top of the smelting chamber, the top cover controls the opening and closing of the charging opening, the charging chamber is located above the smelting chamber, the smelting furnace is located in the smelting chamber, and the clamping module can grab the rod unit and convey the rod unit into the smelting furnace.
10. The charging smelting system of claim 9, wherein the charging unit further comprises a carriage that is movable in a horizontal direction into and out of the charging chamber.
11. The feed smelting system of claim 10, wherein the carrier comprises a body and a positioning boss fixedly attached to an upper surface of the body.
12. The feed smelting system of claim 11, wherein the carrier further comprises a first magnetic attraction portion, wherein the first magnetic attraction portion is located on an upper surface of the vehicle body, and wherein the first magnetic attraction portion is spaced from the positioning boss.
13. The charging smelting system according to claim 11, wherein the carrier further comprises a second magnetic attraction portion, the second magnetic attraction portion is annular, and the positioning boss is located at the center of the second magnetic attraction portion.
14. A vacuum casting apparatus, characterized in that the vacuum casting apparatus comprises: The charging smelting system of any one of claims 9 to 13; The casting mold slow cooling system comprises an inlet chamber, a transition chamber, a heat preservation chamber and a slow cooling chamber, wherein the inlet chamber, the transition chamber and the slow cooling chamber are sequentially arranged in the horizontal direction, the heat preservation chamber is positioned above the transition chamber, and the smelting chamber is positioned above the heat preservation chamber.

Description

Vacuum casting feeding method, system and equipment Technical Field The invention relates to the technical field of vacuum casting, in particular to a vacuum casting feeding method, a system and equipment. Background In the technical field of vacuum smelting casting, vacuum smelting operation is required to be completed in a closed high-vacuum furnace body environment, and in order to ensure the continuity of smelting procedures, conveying and throwing operation of furnace burden is required to be completed through a special feeding mechanism, so that the whole-flow feeding action of a smelting furnace is completed, and the stable development of the vacuum smelting procedures is ensured. However, in the actual charging operation process of vacuum melting casting, since the melting furnace is in a closed high-vacuum environment, the prior art cannot directly obtain the actual charging state of the materials in the furnace through a conventional monitoring means, and only can control the charging mechanism to complete the discharging action of releasing clamping according to a preset program, so that whether the materials completely enter the melting furnace cannot be judged, and the core problem is that whether the charging mechanism is discharged in place cannot be accurately judged, so that adverse effects are easily caused on the stability of the subsequent melting process. Disclosure of Invention The invention provides a vacuum casting feeding method, a system and equipment, which are used for solving the problem that whether a material rod unit is placed in a smelting furnace cannot be judged quickly and accurately in the vacuum casting feeding process. In a first aspect, the present application provides a vacuum casting charging method comprising: a clamping module of the feeding chamber is controlled to grasp the material taking rod unit; acquiring a downward first acting force applied by the material rod unit born by the clamping module in real time; opening a top cover of the smelting chamber, wherein the charging chamber is positioned above the smelting chamber; and controlling the clamping module to descend the rod unit into a smelting furnace of the smelting chamber until the first acting force is reduced to a target force value, and controlling the clamping module to loosen the rod unit. Optionally, the gripping module of the control charging chamber grips the pick-up bar unit, including: controlling a carrier vehicle to move the material rod unit to the charging chamber; Controlling the clamping module to grab the material rod unit from the carrier; and controlling the empty carrier to move out of the charging chamber, and completing the grabbing of the material rod unit by the clamping module. Optionally, the control carriage moves the stick unit to the charging chamber, comprising: The material rod unit is loaded on the carrier, wherein the material rod unit is columnar, the material rod unit comprises a central material rod and a plurality of auxiliary material rods, the central material rod and the auxiliary material rods are parallel and are fixed through bundling, the central material rod is positioned at the axis of the material rod unit, the auxiliary material rods are positioned around the central material rod, the material rod unit is vertically placed in a state of being loaded on the carrier, the top end of the central material rod is higher than the top end of the auxiliary material rod, the bottom end of the central material rod is higher than the bottom end of the auxiliary material rod, a positioning groove is formed by surrounding the auxiliary material rod in a space below the central material rod, a positioning boss on the carrier is inserted into the positioning groove, and the bottom end of the auxiliary material rod is abutted against the upper surface of the carrier; and controlling the carrier to move towards the charging chamber until the rod unit is positioned in the charging chamber. Optionally, the controlling the gripping module to grip the stick unit from the carrier vehicle includes: Controlling the clamping module to clamp the top end of the central material rod; and controlling the clamping module to move upwards so as to separate the rod unit from the carrier vehicle. Optionally, the loading the rod unit on the carrier vehicle includes: Placing the material rod unit at a detection position on the carrier vehicle so that the central material rod is positioned above a first magnetic attraction part on the carrier vehicle; controlling the first magnetic suction part to generate a first downward suction force on the central material rod; when the central material rod is kept static under the action of the first suction force, the material rod unit is placed at the fixed position of the bearing vehicle, so that the positioning boss is inserted into the positioning groove. Optionally, the controlling the carriage to move toward the charging chamber until the rod unit