CN217628509U

CN217628509U - Rotary heat treatment device for surface of die steel

Info

Publication number: CN217628509U
Application number: CN202221524031.3U
Authority: CN
Inventors: 杨忠玉; 王涛
Original assignee: Guangdong Sanhexing Mould Material Technology Co ltd
Current assignee: Guangdong Sanhexing Mould Material Technology Co ltd
Priority date: 2022-06-18
Filing date: 2022-06-18
Publication date: 2022-10-21
Anticipated expiration: 2032-06-18

Abstract

The utility model relates to a mould steel processing technology field discloses a rotatory heat treatment device on mould steel surface, including the pneumatic cylinder, the pneumatic cylinder is fixed connection lower part in the lateral wall around quenching incasement portion respectively, the pneumatic cylinder output all is connected with the gear through the rotation of second bearing, the gear right side meshes respectively and connects two parts around the fluted roller, the fluted roller middle part runs through and the fixedly connected with connecting axle, the first motor output shaft of connecting axle front end fixed connection, first motor fixed connection is on the case antetheca middle part right side that quenches. The utility model discloses in, start first motor and make first motor output shaft drive connecting axle and fluted roller rotate to drive two sets of gears around to drive it and rotate when making gear centre gripping mould steel, avoid the mould steel surface to be heated inequality and produce the crack, improved the life of mould steel greatly.

Description

Rotary heat treatment device for surface of die steel

Technical Field

The utility model relates to a mould steel processing technology field especially relates to a rotatory heat treatment device on mould steel surface.

Background

The die steel is used for manufacturing dies such as a cold stamping die, a hot forging die, a die-casting die and the like, the quality of the die directly influences the quality of a pressure machining process, the precision yield of products and the production cost, the quality and the service life of the die are mainly influenced by die materials and heat treatment except by reasonable structural design and machining precision, the heat treatment device is a device capable of carrying out heat treatment on the die steel, and the heat treatment refers to a metal hot machining process for obtaining expected structures and properties of materials in a solid state through heating, heat preservation and cooling means.

In the prior art, in the process of quenching the surface of the die steel, the cooling liquid is in a static state, so that part of the cooling liquid cannot work, the cooling rate of the surface of the die steel is low, and the die steel is heated unevenly if only a single surface contacts the cooling liquid during quenching, so that the quality of the die steel is reduced or cracks appear.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the rotatory heat treatment device on mould steel surface that proposes can carry out circulation treatment to the coolant liquid thereby improves the cooling rate of mould steel, can make the mould steel receive cold evenly to avoid its cold and hot inequality and damaged simultaneously.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a rotary heat treatment device for the surface of die steel comprises a quenching box, wherein a uniform heating mechanism is arranged inside the quenching box, and circulating mechanisms are arranged on the left side and the right side of the outer part of the quenching box;

the thermally equivalent mechanism includes the pneumatic cylinder, the pneumatic cylinder is fixed connection lower part in the lateral wall around quenching incasement portion respectively, the pneumatic cylinder output all is connected with the gear through second bearing rotation, the gear right side meshes two parts around the fluted roller respectively, the fluted roller middle part runs through and fixedly connected with connecting axle, the first motor output shaft of connecting axle front end fixed connection, first motor fixed connection is on quenching incasement antetheca middle part right side.

Through the technical scheme, when quenching the die steel, through starting the pneumatic cylinder, thereby pneumatic cylinder output shaft extension drives the gear and is close to each other and carry out the centre gripping back to the die steel, add the coolant liquid to quenching incasement portion through the feed liquor pipe, later start first motor and make first motor output shaft drive connecting axle and fluted roller rotate, thereby drive front and back two sets of gears, thereby drive its rotation when making gear centre gripping die steel, avoid the die steel surface to be heated inequality and produce the crack, the life of die steel has been improved greatly.

Further, circulation mechanism includes the transfer line, both ends are equallyd divide and are run through respectively and fixed connection two parts about the lateral wall about quenching case about the transfer line, the transfer line middle part all is provided with the suction pump, the suction pump is fixed connection respectively and is quenching case periphery about lateral wall middle part.

Through above-mentioned technical scheme, in the quenching process, the coolant liquid that contacts with the mould steel is located the high temperature state and keeps away from the coolant liquid temperature of mould steel lower, and through starting the suction pump, the suction pump is taken out quenching incasement portion coolant liquid through the transfer line and is carried to quenching incasement portion again, has accelerated the cooling of coolant liquid when making the activity of quenching incasement portion coolant liquid to make the area of contact increase of mould steel and coolant liquid, accelerated the cooling rate of mould steel greatly.

Further, the top of the rear wall of the quenching box is rotatably connected with a box cover, and the middle part of the box cover penetrates through and is fixedly connected with a liquid inlet pipe.

Through the technical scheme, the quenching box is sealed through the box cover, and the cooling liquid is added into the quenching box through the liquid inlet pipe.

Further, the rear end of the connecting shaft is rotatably connected to the rear wall of the quenching box.

Through above-mentioned technical scheme, do not influence its rotation when making the connecting axle can support the fluted roller.

Furthermore, the bottom of the quenching box is fixedly connected with a turntable, and the middle part of the bottom wall of the turntable is fixedly connected with a transmission shaft.

Through the technical scheme, the transmission shaft rotates to drive the turntable to drive the quenching box to rotate.

Furthermore, transmission shaft periphery middle part fixedly connected with worm wheel, the transmission shaft passes through first bearing and rotates the connection in install bin diapire middle part.

Through above-mentioned technical scheme, worm wheel rotates and drives the transmission shaft and rotate.

Furthermore, the right side of the worm wheel is connected with a worm in a meshed mode, and the rear end of the worm is rotatably connected to the right side of the middle of the rear wall of the installation box.

Through above-mentioned technical scheme, rotate through worm drive worm wheel.

Furthermore, the front end of the worm is fixedly connected to an output shaft of a second motor, and the second motor is fixedly connected to the right side of the middle of the front wall of the periphery of the installation box.

Through the technical scheme, the output shaft of the second motor rotates to drive the worm to rotate.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, among the quenching process, the coolant liquid that contacts with the mould steel is located the high temperature state and keeps away from the coolant liquid temperature of mould steel lower, and through starting the suction pump, the suction pump is carried to the quenching incasement portion again after taking the quenching incasement portion coolant liquid out through the transfer line, has accelerated the cooling of coolant liquid when making the activity of quenching incasement portion coolant liquid to make the area of contact increase of mould steel and coolant liquid, accelerated the cooling rate of mould steel greatly.

2. The utility model discloses in, when quenching to the mould steel, through starting the pneumatic cylinder, thereby pneumatic cylinder output shaft extension drive gear is close to each other and carries out the centre gripping back to the mould steel, add the coolant liquid to quenching incasement portion through the feed liquor pipe, later start first motor and make first motor output shaft drive connecting axle and fluted roller rotate, thereby drive two sets of gears around to, thereby drive its rotation when making gear centre gripping mould steel, avoid the mould steel surface to be heated inequality and produce the crack, the life of mould steel has been improved greatly.

Drawings

Fig. 1 is a front perspective view of a rotary heat treatment device for a die steel surface according to the present invention;

fig. 2 is a top perspective view of a rotary heat treatment device for a mold steel surface according to the present invention;

fig. 3 is a side perspective view of a rotary heat treatment device for a mold steel surface according to the present invention.

Illustration of the drawings:

1. a quenching box; 2. a circulating mechanism; 3. a uniformly heated mechanism; 4. a box cover; 5. a liquid inlet pipe; 6. a water pump; 7. a transfusion tube; 8. a first motor; 9. installing a box; 10. a turntable; 11. a drive shaft; 12. a first bearing; 13. a worm; 14. a second motor; 15. a worm gear; 16. a gear; 17. a hydraulic cylinder; 18. a toothed roller; 19. a connecting shaft; 20. a second bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides an embodiment: a rotary heat treatment device for the surface of die steel comprises a quenching box 1, wherein a uniformly heated mechanism 3 is arranged inside the quenching box 1, and circulating mechanisms 2 are arranged on the left side and the right side outside the quenching box 1; the uniformly heated mechanism 3 comprises a hydraulic cylinder 17, the hydraulic cylinder 17 is fixedly connected to the middle lower part of the front and rear side walls inside the quenching box 1 respectively, the output end of the hydraulic cylinder 17 is rotatably connected with a gear 16 through a second bearing 20, the right side of the gear 16 is meshed with the front and rear parts of a gear roller 18 respectively, the middle part of the gear roller 18 is penetrated through and fixedly connected with a connecting shaft 19, the front end of the connecting shaft 19 is fixedly connected with an output shaft of a first motor 8, the first motor 8 is fixedly connected to the right side of the middle part of the front wall of the quenching box 1, when the die steel is quenched, the hydraulic cylinder 17 is started, the gear 16 is driven by the extension of the output shaft of the hydraulic cylinder 17 to approach each other so as to clamp the die steel, cooling liquid is added into the quenching box 1 through a liquid inlet pipe 5, then the first motor 8 is started to drive the connecting shaft 19 and the gear roller 18 to rotate, so as to drive the front and rear two groups of gears 16, so that the gear 16 can clamp the die steel and simultaneously drive the die steel to rotate, cracks caused by uneven heating of the surface of the die steel, and the service life of the die steel is greatly prolonged.

The circulating mechanism 2 comprises a liquid conveying pipe 7, the upper end and the lower end of the liquid conveying pipe 7 are respectively penetrated through and fixedly connected with the upper part and the lower part of the left side wall and the right side wall of the quenching box 1, a water suction pump 6 is arranged in the middle of the liquid conveying pipe 7, the water suction pump 6 is respectively and fixedly connected with the middle part of the left side wall and the right side wall of the periphery of the quenching box 1, in the quenching process, the cooling liquid in contact with the die steel is in a high-temperature state, the temperature of the cooling liquid far away from the die steel is low, the cooling liquid in the quenching box 1 is pumped out by the water suction pump 6 through the liquid conveying pipe 7 and then conveyed into the quenching box 1 again, the cooling liquid is accelerated while the cooling liquid in the quenching box 1 moves, so that the contact area between the die steel and the cooling liquid is increased, the cooling rate of the die steel is greatly accelerated, the top of the rear wall of the quenching box 1 is rotatably connected with a box cover 4, the middle part of the box cover 4 is penetrated through and fixedly connected with a liquid inlet pipe 5, and the box cover 4 is used for sealing the quenching box 1, the cooling liquid is added into the quenching box 1 through the liquid inlet pipe 5, the rear end of the connecting shaft 19 is rotatably connected to the rear wall of the quenching box 1, so that the connecting shaft 19 can support the gear roller 18 without influencing the rotation of the gear roller, the bottom of the quenching box 1 is fixedly connected with a rotary table 10, the middle part of the bottom wall of the rotary table 10 is fixedly connected with a transmission shaft 11, the rotary table 10 is driven by the rotation of the transmission shaft 11 so as to drive the quenching box 1 to rotate, the middle part of the periphery of the transmission shaft 11 is fixedly connected with a worm wheel 15, the transmission shaft 11 is rotatably connected to the middle part of the bottom wall of the installation box 9 through a first bearing 12, the transmission shaft 11 is driven by the rotation of the worm wheel 15, the right side of the worm wheel 15 is meshed and connected with a worm 13, the rear end of the worm 13 is rotatably connected to the right side of the middle part of the rear wall of the installation box 9, the worm wheel 15 is driven by the worm 13 to rotate, the front end of the worm 13 is fixedly connected to the output shaft of a second motor 14, the right side of the middle part of the front wall of the periphery of the installation box 9, the output shaft of the second motor 14 rotates to drive the worm 13 to rotate.

The working principle is as follows: when the die steel is quenched, the hydraulic cylinder 17 is started, the gear 16 is driven to approach each other by extension of an output shaft of the hydraulic cylinder 17, so that the die steel is clamped, cooling liquid is added into the quenching box 1 through the liquid inlet pipe 5, then the first motor 8 is started to drive the output shaft of the first motor 8 to drive the connecting shaft 19 and the toothed roller 18 to rotate, and the front and rear two groups of gears 16 are driven, so that the gear 16 clamps the die steel and drives the die steel to rotate, cracks are prevented from being generated due to uneven heating of the surface of the die steel, the service life of the die steel is greatly prolonged, in the quenching process, the cooling liquid in contact with the die steel is in a high-temperature state, the temperature of the cooling liquid far away from the die steel is low, the water suction pump 6 is started to suck the cooling liquid in the quenching box 1 through the liquid conveying pipe 7 and then conveys the cooling liquid into the quenching box 1 again, the cooling liquid in the cooling liquid is accelerated while the cooling liquid is moved in the quenching box 1, the contact area of the die steel and the cooling liquid is increased, and the cooling speed of the die steel is greatly increased.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions on some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a rotatory heat treatment device on mould steel surface, includes quenching case (1), its characterized in that: a uniformly heating mechanism (3) is arranged in the quenching box (1), and the left side and the right side of the outer part of the quenching box (1) are both provided with a circulating mechanism (2);

thermally equivalent mechanism (3) include pneumatic cylinder (17), pneumatic cylinder (17) fixed connection is lower part in quenching case (1) inside front and back lateral wall respectively, pneumatic cylinder (17) output all rotates through second bearing (20) and is connected with gear (16), gear (16) right side meshes respectively and connects two parts around fluted roller (18), fluted roller (18) middle part runs through and fixedly connected with connecting axle (19), first motor (8) output shaft of connecting axle (19) front end fixed connection, first motor (8) fixed connection is on quenching case (1) antetheca middle part right side.

2. The rotary heat treatment apparatus for die steel surface according to claim 1, wherein: circulation mechanism (2) include transfer line (7), two parts about the lateral wall are equallyd divide to do not run through and fixed connection about quenching case (1) at both ends about transfer line (7), transfer line (7) middle part all is provided with suction pump (6), suction pump (6) are fixed connection respectively and are controlled lateral wall middle part at quenching case (1) periphery.

3. The rotary heat treatment apparatus for die steel surface according to claim 1, wherein: the top of the rear wall of the quenching box (1) is rotatably connected with a box cover (4), and the middle part of the box cover (4) penetrates through and is fixedly connected with a liquid inlet pipe (5).

4. The rotary heat treatment apparatus for die steel surface according to claim 1, characterized in that: the rear end of the connecting shaft (19) is rotatably connected to the rear wall of the quenching box (1).

5. The rotary heat treatment apparatus for die steel surface according to claim 1, characterized in that: the bottom of the quenching box (1) is fixedly connected with a turntable (10), and the middle of the bottom wall of the turntable (10) is fixedly connected with a transmission shaft (11).

6. The rotary heat treatment apparatus for die steel surface according to claim 5, characterized in that: transmission shaft (11) periphery middle part fixedly connected with worm wheel (15), transmission shaft (11) rotate through first bearing (12) and connect in install bin (9) diapire middle part.

7. The rotary heat treatment apparatus for die steel surfaces according to claim 6, wherein: the right side of the worm wheel (15) is meshed with a worm (13), and the rear end of the worm (13) is rotatably connected to the right side of the middle part of the rear wall of the installation box (9).

8. The rotary heat treatment apparatus for die steel surface according to claim 7, characterized in that: the front end of the worm (13) is fixedly connected to an output shaft of a second motor (14), and the second motor (14) is fixedly connected to the right side of the middle part of the front wall of the periphery of the installation box (9).