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CN-121718686-B - Based on metal workpiece processing heat treatment device

CN121718686BCN 121718686 BCN121718686 BCN 121718686BCN-121718686-B

Abstract

The invention provides a metal workpiece processing heat treatment device, which belongs to the technical field of metal workpiece heat treatment and comprises a furnace body and a cooling water tank, wherein side doors are arranged on opposite sides of the furnace body, a support frame is fixed outside the furnace body, a first winch for lifting the side doors is fixed on the top of the support frame, and the metal workpiece processing heat treatment device further comprises a discharging mechanism, wherein the discharging mechanism comprises a bottom support rotatably connected to the bottom of the furnace body. According to the invention, the bottom support, the lifting frame and the circular cover are arranged, the hydraulic oil cylinder drives the bottom support to rotate downwards, the workpiece enters the circular cover from the feeding hole, the buffer component is used for buffering the workpiece entering the circular cover, and meanwhile, the lifting frame drives the circular cover to move downwards to enter the water in the cooling water tank, so that after the heating of the workpiece is completed, the contact between the workpiece and the external environment is reduced through the circular cover, the workpiece is in a relatively closed space, the heat loss of the workpiece is reduced, and the quenching hardness, the tissue uniformity and the product quality stability of the workpiece are improved.

Inventors

  • YANG HONGBIN

Assignees

  • 闽西职业技术学院

Dates

Publication Date
20260508
Application Date
20260214

Claims (8)

  1. 1. The utility model provides a heat treatment device based on metal workpiece processing, includes furnace body (1) and cooling water pond (2), side door (3) are all installed to the opposite side of furnace body (1), and furnace body (1) external fixation has the support frame, and the support frame top is fixed with hoist engine one (4) that are used for side door (3) to go up and down, its characterized in that still includes: The discharging mechanism (5) comprises a bottom support (6) rotatably connected to the bottom of the furnace body (1), a hydraulic oil cylinder (7) is rotationally connected to the telescopic end of the hydraulic oil cylinder (7) and the bottom of the bottom support (6), a lifting frame is arranged at the top of the cooling water tank (2), a round cover (10) is rotationally connected to the lifting frame, a feeding hole is formed in the side face of the round cover (10), an opening (12) is formed in the top of the round cover (10), a plurality of water-permeable grooves (28) are formed in the bottom of the round cover (10), round grooves (34) and two square grooves (35) are formed in the side face of the round cover (10), and a buffer assembly is arranged in the round cover (10); After heating, the bottom support (6) rotates downwards, a workpiece enters the circular cover (10) from the feed inlet, the buffer component is used for buffering the workpiece entering the circular cover (10), and the lifting frame drives the circular cover (10) to move downwards into the water in the cooling water tank (2); A turning plate (37) is rotationally connected to the feed inlet of the round cover (10), a workpiece enters the feed inlet to extrude the turning plate (37), and after the workpiece enters the round cover (10), the turning plate (37) falls back to seal the feed inlet; the buffering assembly comprises a bottom frame (25) fixed at the bottom of a round cover (10), two groups of dampers (23) are fixed at the bottom of the bottom frame (25), telescopic ends of the two groups of dampers (23) movably penetrate through the bottom frame (25) and are respectively fixed with a first buffering plate (17) and a second buffering plate (20), the number of the first buffering plate (17) and the second buffering plate (20) is two, the first buffering plate (17) and the second buffering plate (20) are symmetrically arranged by taking a central vertical surface passing through the round cover (10) as a symmetrical plane, a plurality of openings are formed in the bottom of the round cover (10), the first buffering plate (17) and the second buffering plate (20) are all located in the openings, after a workpiece enters the round cover (10), the bottom of the second buffering plate (20) is fixedly provided with an outer cover (24) through the buffering plate (20), and the damper (23) is located in the outer cover (24).
  2. 2. The metal workpiece machining heat treatment device according to claim 1, wherein the lifting frame comprises an outer support (8) fixed at the top of the cooling water tank (2), a guide piece is arranged in the outer support (8), an inner support (9) is slidably connected in the outer support (8) through the guide piece, a winch II (36) used for lifting the inner support (9) is fixed at the top of the outer support (8), the dome (10) is rotatably connected inside the inner support (9), a hydraulic motor (11) is fixed on the side face of the inner support (9), and the output end of the hydraulic motor (11) is fixedly connected with the side face of the dome (10).
  3. 3. The metal workpiece processing heat treatment device according to claim 2, wherein a baffle plate (13) is fixed on one side of the outer support (8) close to the furnace body (1), a bending part (14) is integrally formed on the opposite side of the baffle plate (13), a containing groove is formed in the middle position of the baffle plate (13), a movable plate (15) is rotationally connected in the containing groove, a motor (16) is fixed on the side face of the baffle plate (13), and the output end of the motor (16) is fixedly connected with the side face of the movable plate (15).
  4. 4. The metal workpiece machining heat treatment device according to claim 1, wherein the buffer plate one (17) comprises a first inclined part (18) and a second inclined part (19) which are sequentially connected, the connecting part of the first inclined part (18) and the second inclined part (19) is fixed at the telescopic end of the damper (23), the buffer plate two (20) comprises a third inclined part (21) and a fourth inclined part (22) which are sequentially connected, the first inclined part (18) and the third inclined part (21) are symmetrically arranged, the second inclined part (19) and the fourth inclined part (22) are symmetrically arranged, the end parts of the first inclined part (18) and the third inclined part (21) are both fixedly provided with a poking plate (30), and the poking plate (30) is positioned outside the dome (10).
  5. 5. The metal workpiece processing heat treatment device according to claim 4, wherein the first inclined part (18) and the third inclined part (21) are provided with inclined holes (26), and the second inclined part (19) and the fourth inclined part (22) are provided with long grooves (27).
  6. 6. The metal workpiece processing heat treatment device according to claim 4, wherein inclined plates (31) are fixed at two ends of the poking plate (30), and the inclined plates (31) are slidably connected at the positions corresponding to the square grooves (35) on the side surfaces of the circular cover (10).
  7. 7. The metal workpiece processing heat treatment device according to claim 4, wherein a plurality of stoppers (32) are fixed on the side surface of the poking plate (30), through grooves (29) are formed in the positions of the bottoms of the circular covers (10) corresponding to the end parts of the water permeable grooves (28), the width of each through groove (29) is larger than that of the end parts of the corresponding water permeable grooves (28), the stoppers (32) are attached to the positions of the bottoms of the circular covers (10) corresponding to the through grooves (29), and guide parts (33) are integrally formed on one sides of the stoppers (32) away from the poking plate (30).
  8. 8. The metal workpiece processing heat treatment device according to claim 1, wherein the width of the water permeable groove (28) gradually decreases from the middle to both ends.

Description

Based on metal workpiece processing heat treatment device Technical Field The invention relates to the technical field of metal workpiece heat treatment, in particular to a metal workpiece processing heat treatment device. Background When the rod-shaped metal workpiece is subjected to heat treatment, the workpiece is placed on the supporting fork, the supporting fork moves to convey the metal workpiece into the heating furnace, after the metal workpiece is heated in the heating furnace, the supporting fork is moved to take the metal workpiece out of the heating furnace, and then the metal workpiece is placed in the cooling water tank to be subjected to cooling treatment, so that the hardness, strength and mechanical property of the metal workpiece are improved through the heat treatment of the metal workpiece. When the rod-shaped metal workpiece is taken out through the supporting fork after the heat treatment is finished, the furnace door is required to be opened firstly, then the supporting fork is moved into the heating furnace to lift the rod-shaped metal workpiece, then the supporting fork is moved backwards to remove the metal workpiece from the heating furnace, and then the supporting fork is moved downwards to enable the rod-shaped metal workpiece to enter the cooling water tank for quenching treatment, but the rod-shaped metal workpiece is directly exposed to the external environment after being taken out from the furnace, especially under the condition of lower environmental temperature in winter, the heat loss of the direct contact of the rod-shaped metal workpiece and low-temperature air is faster, the actual quenching temperature of the rod-shaped metal workpiece is easy to be lower, and the quenching hardness, the tissue uniformity and the product quality stability of the rod-shaped metal workpiece are influenced. Disclosure of Invention The invention provides a metal workpiece processing heat treatment device to solve the problems that the heat loss is high due to direct contact between a rod-shaped metal workpiece and low-temperature air, the actual quenching temperature of the rod-shaped metal workpiece is low, and the quenching hardness, the tissue uniformity and the product quality stability of the rod-shaped metal workpiece are affected. In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a based on metal workpiece processing heat treatment device, includes furnace body and cooling water pond, and the side door is all installed to the opposite side of furnace body, and the furnace body external fixation has the support frame, and the support frame top is fixed with the hoist engine one that is used for the side door to go up and down, still includes: the discharging mechanism comprises a bottom support which is rotationally connected to the bottom of the furnace body, a hydraulic oil cylinder is rotationally connected to the telescopic end of the hydraulic oil cylinder and the bottom of the bottom support, a lifting frame is arranged at the top of the cooling water tank, a round cover is rotationally connected to the lifting frame, a feeding hole is formed in the side face of the round cover, an opening is formed in the top of the round cover, a plurality of water-permeable grooves are formed in the bottom of the round cover, a round groove and two square grooves are respectively formed in the side face of the round cover, the round groove is located between the two square grooves, and a buffer assembly is arranged in the round cover; After the heating is finished, the bottom support rotates downwards, a workpiece enters the circular cover from the feeding hole, the buffer assembly is used for buffering the workpiece entering the circular cover, and the lifting frame drives the circular cover to move downwards into water in the cooling water tank. Preferably, the feed inlet of the dome is rotationally connected with a turning plate, a workpiece enters the feed inlet to extrude the turning plate, and after the workpiece enters the dome, the turning plate falls back to seal the feed inlet. Preferably, the lifting frame comprises an outer support fixed at the top of the cooling water tank, a guide piece is arranged in the outer support, an inner support is connected in the outer support in a sliding manner through the guide piece, a second winch used for lifting the inner support is fixed at the top of the outer support, the dome is rotationally connected in the inner support, a hydraulic motor is fixed on the side face of the inner support, and the output end of the hydraulic motor is fixedly connected with the side face of the dome. Preferably, a baffle is fixed on one side of the outer support, which is close to the furnace body, a bending part is integrally formed on the opposite side of the baffle, a containing groove is formed in the middle position of the baffle, a movable plate is rotationally connected in the c