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CN-121988689-A - Isothermal forging die holder for machine tool bit forging equipment and machine tool bit

CN121988689ACN 121988689 ACN121988689 ACN 121988689ACN-121988689-A

Abstract

The invention discloses an isothermal forging die holder for machine tool bit forging equipment and a machine tool bit, which relate to the technical field of forging dies and comprise an upper die holder, a lower die holder and a rotation heat insulation component, the alternate heat insulation assembly comprises a driving motor fixed on the surfaces of the lower die holder and the upper die holder, and a first heat insulation plate and a second heat insulation plate are embedded in parallel on the surface of the sliding layer frame. According to the invention, the temperature of the first heat insulating plate or the second heat insulating plate in heat insulating work is monitored in real time through the temperature sensor, and when the temperature exceeds a threshold value, the heat insulating plates in heat insulating work are replaced through the arrangement of the double heat insulating plates, so that the problems of pulverization and compaction of heat insulating plate materials caused by continuous action of high temperature and high forging load of a single heat insulating plate in long time are solved, the heat insulating tasks are alternately born by the two heat insulating plates through alternate design, the heat dissipation and the temperature reduction are alternately carried out, the high-temperature continuous working time of a single heat insulating plate is greatly shortened, the heat aging and the structural damage are delayed, and the service life of the heat insulating plate is prolonged.

Inventors

  • LI GUXIANG
  • WANG LIPING
  • LIU HAI
  • LIU JIANG
  • LING WEI

Assignees

  • 湖北兴龙工具有限公司

Dates

Publication Date
20260508
Application Date
20260324

Claims (10)

  1. 1. Isothermal forging die holder for machine tool drill forging equipment comprises an upper die holder (1), a lower die holder (6) and a rotation heat insulation component (8), and is characterized in that an upper forging die (3) is fixed on two sides of the bottom of the upper die holder (1) through a first supporting rod (2), a lower forging die (4) is arranged below the upper forging die (3), a second supporting rod (5) is fixed on two sides of the lower forging die (4) and is fixedly provided with the lower die holder (6), a heat insulation cavity (7) is formed in one side, close to the lower die holder (6), of the upper forging die (3) and one side, close to the upper die holder (1), of the rotation heat insulation component (8) comprises a driving motor (801) fixed on the surfaces of the lower die holder (6) and the upper die holder (1), a screw rod (802) is connected to the output end of the driving motor (801), a supporting seat (803) is rotatably connected to the end of the screw rod (802), a moving seat (804) is sleeved on the surface of the screw rod (802), a sliding layer frame (805) is arranged on the surface of the moving seat (804), a sliding layer frame (805) is arranged on the surface of the sliding layer frame (805), and a second heat insulation plate (807) is embedded on the surface of the sliding layer (805), the side surface of the sliding layer frame (805) is respectively fixed with a temperature sensor (808) at the positions of the first heat insulation plate (806) and the second heat insulation plate (807).
  2. 2. The isothermal forging die holder for machine tool drill forging equipment according to claim 1, wherein the first heat insulating plate (806) and the second heat insulating plate (807) are fixed on the surface of the sliding layer frame (805) through screws, and the sliding layer frame (805) is matched with the outer opening structures of the first heat insulating plate (806) and the second heat insulating plate (807) and the inner opening structure of the heat insulating cavity (7).
  3. 3. The isothermal forging die holder for machine tool drill forging equipment according to claim 1, wherein the top of the upper die holder (1) is fixedly connected with the output end of the hydraulic cylinder, and the bottom of the lower die holder (6) is fixed on the surface of the working base.
  4. 4. The isothermal forging die holder for machine tool drill forging equipment according to claim 1, wherein two driving motors (801) are arranged, the driving motors (801) and a screw rod (802) are arranged one by one, and rotation speed steering of the two driving motors (801) is synchronized through presetting.
  5. 5. The isothermal forging die holder for machine tool drill forging equipment according to claim 1, wherein a lubrication cooling assembly (9) is arranged on the side face of the supporting seat (803), the lubrication cooling assembly (9) comprises a first electromagnetic valve (901), and the end portion of the first electromagnetic valve (901) is connected with a liquid inlet pipe (902).
  6. 6. The isothermal forging die holder for machine tool drill forging equipment according to claim 5, wherein the outer wall of the screw rod (802) is rotatably connected with a first corrugated pipe (903) and a second corrugated pipe (904) respectively at two ends of the movable base (804), and a second electromagnetic valve (905) is arranged on the outer wall of one end of the first corrugated pipe (903).
  7. 7. The isothermal forging die holder for machine tool drill forging equipment according to claim 6, wherein an end portion of the second electromagnetic valve (905) is connected with a transfer pipe (906), and the transfer pipe (906) is communicated with the second corrugated pipe (904).
  8. 8. The isothermal forging die holder for machine tool drill forging equipment according to claim 7, wherein homopolar magnetic columns are embedded in the screw rod (802), homopolar magnetic rings are distributed in the first corrugated pipe (903) and the second corrugated pipe (904) at equal intervals, and the homopolar magnetic columns and the homopolar magnetic rings repel each other.
  9. 9. The isothermal forging die holder for machine tool drill forging equipment according to claim 8, wherein a third electromagnetic valve (907) is arranged at the end of the second corrugated pipe (904), and a recovery pipe (908) is connected to the end of the third electromagnetic valve (907).
  10. 10. A machine tool drill bit is characterized in that the machine tool drill bit forging equipment is used for forging die casting by using the isothermal forging die holder according to any one of claims 1-9.

Description

Isothermal forging die holder for machine tool bit forging equipment and machine tool bit Technical Field The invention relates to the technical field of forging dies, in particular to an isothermal forging die holder for machine tool drill forging equipment and a machine tool drill. Background The die forging can forge blanks of machine tool bits, is one of blank forming processes commonly used in mass production of the machine tool bits, is an isothermal forging die holder for machine tool bit forging equipment, is a core tool component suitable for machine tool bit production in the isothermal forging process, and has the functions of bearing forging dies, maintaining the constant temperature of the dies and accurately transmitting forging force so as to ensure the forging precision and the tissue performance of the bit blanks, wherein the isothermal forging die holder is generally composed of an upper die holder, an upper forging die, a lower die holder and a lower forging die, and a heat insulation layer is arranged between the forging die and the die holder; The heat insulation layer (such as ceramic fiber) between the existing die holder and the forging die can generate the problems of pulverization, falling, compaction and the like under long-term high-temperature extrusion, the heat insulation effect is gradually attenuated, the energy consumption is increased, the equipment workbench is heated and deformed, and the precision of the whole machine is influenced. Disclosure of Invention Aiming at the defects of the prior art, the invention provides an isothermal forging die holder for machine tool bit forging equipment and a machine tool bit, and solves the problems in the prior art. The isothermal forging die holder for the machine tool drill bit forging equipment comprises an upper die holder, a lower die holder and a rotation heat insulation assembly, wherein an upper forging die is fixed on two sides of the bottom of the upper die holder through first supporting rods, a lower forging die is arranged below the upper forging die, second supporting rods are fixed on two sides of the lower forging die, the lower die holder is fixed on one side, close to the lower die holder, of the lower forging die and one side, close to the upper die holder, of the upper forging die, heat insulation cavities are formed in the rotation heat insulation assembly, the rotation heat insulation assembly comprises a driving motor fixed on the surfaces of the lower die holder and the upper die holder, a screw rod is connected to the output end of the driving motor, the end portion of the screw rod is rotatably connected with a supporting seat, a movable seat is sleeved on the surface of the screw rod, a sliding layer frame is arranged on the surface of the movable seat, a first heat insulation plate and a second heat insulation plate are embedded in parallel to the surface of the sliding layer frame, and temperature sensors are fixed on the side surfaces of the sliding layer frame respectively. Further, the first heat insulating plate and the second heat insulating plate are fixed on the surface of the sliding layer frame through screws, and the sliding layer frame is matched with the outer opening structures of the first heat insulating plate and the second heat insulating plate and the inner opening structure of the heat insulating cavity. Further, the top of the upper die holder is fixedly connected with the output end of the hydraulic cylinder, and the bottom of the lower die holder is fixed on the surface of the working base. Further, two driving motors are arranged, the driving motors and the screw rods are arranged one by one, and the rotation speed steering of the two driving motors is synchronous after being preset. Further, the side of the supporting seat is provided with a lubrication cooling component, the lubrication cooling component comprises a first electromagnetic valve, and the end part of the first electromagnetic valve is connected with a liquid inlet pipe. Further, the outer wall of the screw rod is respectively connected with a first corrugated pipe and a second corrugated pipe in a rotating mode at two ends of the movable seat, and a second electromagnetic valve is arranged on the outer wall of one end of the first corrugated pipe. Further, the end part of the second electromagnetic valve is connected with a transmission pipe, and the transmission pipe is communicated with the second corrugated pipe. Further, homopolar magnetic columns are embedded in the screw rod, homopolar magnetic rings are distributed in the first corrugated pipe and the second corrugated pipe at equal intervals, and homopolar magnetic columns repel each other with homopolar magnetic rings. Further, a third electromagnetic valve is arranged at the end part of the second corrugated pipe, and a recovery pipe is connected to the end part of the third electromagnetic valve. A machine tool drill bit is applied to forging die casting