Strengthening and toughening heat treatment device for hot work die steel

Abstract

According to the technical scheme, the strengthening and toughening heat treatment device for the hot work die steel is characterized by comprising a treatment box, a cover plate is arranged on one side of the treatment box and connected with the treatment box through a hinge, a heating frame is fixedly installed on the top face in the treatment box, and the heating frame is connected with the cover plate through a hinge. Two first heating pipes are fixedly mounted on one side of the interior of the heating frame, rotating discs are arranged on the two sides of the treatment box, the two rotating discs are connected through a connecting shaft, and a plurality of placing openings are formed in one side of each rotating disc; the discharging assemblies are arranged on the two sides of the interior of the treatment box and used for discharging metal pipes, by arranging the discharging assemblies, after a worker clamps the metal pipes into a containing opening of a rotary disc, heat treatment is conducted on the metal pipes on the rotary disc through a first heating pipe, the treated metal pipes drive a pushing block through an air cylinder, and the metal pipes are pushed out of the containing opening; and therefore, the treated steel pipe does not need to be manually discharged, and the strengthening and toughening heat treatment efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hot working die steel, in particular to a strengthening and toughening heat treatment device for hot working die steel. Background Art

[0002] Hot working die steel refers to alloy tool steel suitable for making dies for hot deformation processing of metals, such as hot forging dies, hot extrusion dies, die-casting dies, hot upsetting dies, etc.

[0003] According to the Chinese patent application number: CN202321688543.8, a toughening heat treatment device for hot working die steel is disclosed, which relates to the field of hot working die steel, including a treatment box, the top of which is movably connected to a cover plate by a latch, the outer surface of which is provided with a limit mechanism, and the inside of the treatment box is provided with a rotating mechanism, a cooling mechanism, and a heating mechanism, respectively, and the heating mechanism includes a fixed seat, and the fixed seat is arranged near the bottom end of the cover plate. The utility model drives the mold on the rotating disk to rotate by a rotating shaft, so that the mold on the rotating disk is heated more evenly, thereby improving the strength of the mold, which is conducive to better heat treatment of the mold, and cooling water is sprayed by a nozzle to cool the mold in a rotating state, so that the mold increases its own plasticity, thereby improving the functionality of the mold, and water is directed into the bottom of the treatment box through the water leakage hole on the partition, thereby achieving water reflux treatment, which is convenient for multiple use and greatly improves the utilization rate of water resources.

[0004] At present, there are still some shortcomings in a toughening heat treatment device for hot working die steel. For example, after the toughening heat treatment of the heating tube, the staff is required to cut the treated steel tube, which delays the subsequent processing time and affects the efficiency. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a toughening heat treatment device for hot working die steel, which solves the problem that after the toughening heat treatment of the heating tube, the staff needs to unload the treated steel tube, which delays the subsequent processing time and affects the efficiency.

[0006] The above technical objectives of the utility model are achieved through the following technical solutions:

[0007] A strengthening and toughening heat treatment device for hot working die steel comprises: a processing box, a cover plate is provided on one side of the processing box, the cover plate is connected to the processing box by a hinge, a heating frame is fixedly installed on the internal top surface of the processing box, two first heating tubes are fixedly installed on one side of the internal part of the heating frame, turntables are provided on both sides of the processing box, the two turntables are connected by a connecting shaft, and a plurality of placement openings are opened on one side of the turntable; a blanking component, the blanking component is arranged on both sides of the interior of the processing box and is used for blanking metal pipes, the blanking component comprises two mounting blocks, the two mounting blocks are respectively fixedly installed on both sides of the interior of the processing box, a cylinder is fixedly installed on the inner circular wall surface of the mounting block, a push block is fixedly connected to the telescopic shaft of the cylinder, a rotating motor is fixedly installed on one side of the processing box, a rotating hole is opened on one side of the processing box, and the shaft of the rotating motor is fixedly connected to one of the turntables.

[0008] By adopting the above technical solution and setting up a feeding assembly, the staff inserts the metal pipe into the placement port of the turntable, and then uses the first heating tube to perform heat treatment on the metal pipe of the turntable. The treated metal pipe is driven by a push block through the cylinder to push the metal pipe out of the placement port, thereby eliminating the need for manual feeding of the treated steel pipe, which is beneficial to improving the efficiency of the strengthening and toughening heat treatment.

[0009] Preferably, both the inner bottom surface and the top surface of the placement opening are provided with limiting grooves, a plurality of springs are arranged inside the limiting grooves, and a limiting block is provided on the inner movable sleeve of the limiting grooves, and the limiting block is fixedly connected to the springs.

[0010] By adopting the above technical solution and setting a limit block, when the metal tube is placed in the placement port, the limit block is used to limit the metal tube to prevent it from falling out of the placement port. When the metal tube is being unloaded, the limit block is squeezed and retracted into the limit groove, which is beneficial to not affecting the unloading of the metal tube.

[0011] Preferably, an arc groove is formed on one side of the limit block.

[0012] By adopting the above technical solution and providing an arc groove, when the cylinder is pushed through the metal tube, the limit block is pressed, and the limit block is pressed down into the limit groove through the arc groove.

[0013] Preferably, both sides of the interior of the processing box are fixedly installed with unloading plates, and a plurality of unloading rollers are rotatably installed between the two unloading plates.

[0014] By adopting the above technical solution and setting a feeding roller, when the metal tube is pushed out from the placement port by the cylinder, the metal tube rolls down from the feeding roller through the feeding roller, which is conducive to the smooth feeding of the metal tube.

[0015] Preferably, two second heating tubes are fixedly installed between the two turntables.

[0016] By adopting the above technical solution and providing a second heating tube, the inner wall of the metal tube is heated to improve the heat treatment effect.

[0017] Preferably, a cooling groove is provided on the inner bottom surface of the processing box.

[0018] By adopting the above technical solution and providing a cooling tank, after the metal pipe is heat treated, the cooling water in the cooling tank is used to cool the metal pipe, thereby increasing the plasticity of the metal pipe.

[0019] In summary, the utility model mainly has the following beneficial effects:

[0020] By setting up the unloading component, the staff can insert the metal pipe into the placement port of the turntable, and then use the first heating tube to heat treat the metal pipe on the turntable. The treated metal pipe is driven by the cylinder to push the push block to push the metal pipe out of the placement port, thereby eliminating the need for manual unloading of the treated steel pipe, which is beneficial to improving the efficiency of the strengthening and toughening heat treatment.

[0021] By setting a limit block, when the metal tube is placed in the placement port, the limit block is used to limit the metal tube to prevent it from falling out of the placement port. When the metal tube is unloaded, the limit block is squeezed and retracted into the limit groove, which is beneficial to not affect the unloading of the metal tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0023] Figure 2 This is a schematic diagram of the split structure of the rear cover plate of the utility model;

[0024] Figure 3 This is a schematic diagram of the push block structure of the utility model;

[0025] Figure 4 It is a schematic diagram of the turntable structure of the utility model;

[0026] Figure 5 yes Figure 4 A schematic diagram of the enlarged local structure in the middle.

[0027] Figure numerals: 1. processing box; 2. cover plate; 3. heating frame; 4. first heating tube; 5. turntable; 6. placement port; 7. mounting block; 8. rotating motor; 9. rotating hole; 10. cylinder; 11. push block; 12. limit groove; 13. limit block; 14. spring; 15. arc groove; 16. unloading plate; 17. unloading roller; 18. second heating tube; 19. cooling trough; 20. material taking port; 21. rear cover plate; 22. connecting shaft. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] refer to Figure 1 , Figure 2 and Figure 3 A strengthening and toughening heat treatment device for hot working die steel comprises: a processing box 1, a cover plate 2 is arranged on one side of the processing box 1, the cover plate 2 is connected to the processing box 1 through a hinge, a heating frame 3 is fixedly installed on the internal top surface of the processing box 1, two first heating tubes 4 are fixedly installed on one side of the internal part of the heating frame 3, a turntable 5 is arranged on both sides of the processing box 1, the two turntables 5 are connected by a connecting shaft 22, and a plurality of placement ports 6 are opened on one side of the turntable 5; a material blanking component is arranged on both sides of the processing box 1 for blanking metal pipes, and the material blanking component comprises two mounting blocks 7, and the two mounting blocks 7 are respectively fixedly installed on the two sides of the internal part of the processing box 1 On the side, a cylinder 10 is fixedly installed on the inner circular wall of the mounting block 7, and a push block 11 is fixedly connected to the telescopic shaft of the cylinder 10. A rotating motor 8 is fixedly installed on one side of the processing box 1. A rotating hole 9 is opened on one side of the processing box 1. The shaft of the rotating motor 8 is fixedly connected to one of the turntables 5. By setting a blanking component, the staff inserts the metal pipe into the placement port 6 of the turntable 5, and then heat-treats the metal pipe of the turntable 5 through the first heating tube 4. The treated metal pipe is driven by the cylinder 10 to push the push block 11 to push the metal pipe out of the placement port 6, thereby eliminating the need for manual blanking of the treated steel pipe, which is beneficial to improving the efficiency of the toughening heat treatment.

[0030] refer to Figure 1 , Figure 4 and Figure 5 The inner bottom surface and the top surface of the placement port 6 are both provided with a limiting groove 12, and a plurality of springs 14 are arranged inside the limiting groove 12. The inner movable sleeve of the limiting groove 12 is provided with a limiting block 13, and the limiting block 13 is fixedly connected to the spring 14. By setting the limiting block 13, when the metal tube is placed in the placement port 6, the metal tube is limited by the limiting block 13 to prevent it from falling out of the placement port 6. When the metal tube is unloaded, the limiting block 13 is squeezed and contracted into the limiting groove 12, which is beneficial to not affecting the unloading of the metal tube. An arc groove 15 is provided on one side of the limiting block 13. By setting the arc groove 15, when the cylinder 10 is pushed through the metal tube, the limiting block 13 is pressed. Through the arc groove 15, the limiting block 13 is pressed down into the limiting groove 12.

[0031] refer to Figure 2 , unloading plates 16 are fixedly installed on both sides of the interior of the processing box 1, and a plurality of unloading rollers 17 are rotatably installed between the two unloading plates 16. By setting the unloading rollers 17, when the metal tube is pushed out from the placement port 6 by the cylinder 10, the metal tube rolls down from the unloading rollers 17 through the unloading rollers 17, which is conducive to the smooth unloading of the metal tube. Two second heating tubes 18 are fixedly installed between the two turntables 5. By setting the second heating tubes 18, the inner wall of the metal tube is heated to improve the heat treatment effect. A cooling groove 19 is opened on the bottom surface of the interior of the processing box 1. By setting the cooling groove 19, when the metal tube is heat-treated, the cooling water in the cooling groove 19 is used to cool the metal tube, thereby increasing the plasticity of the metal tube.

[0032] Working principle: Please refer to Figure 1-Figure 5 As shown, when in use, the staff inserts the metal tube into the placement port 6 of the turntable 5, and then heats the inner wall of the metal tube through the first heating tube 4 and the second heating tube 18. The treated metal tube drives the push block 11 through the cylinder 10 to push the metal tube out of the placement port 6, and the limit block 13 squeezes and shrinks it into the limit groove 12. The metal tube rolls from the unloading roller 17 to the cooling groove 19 for cooling treatment, thereby increasing the plasticity of the metal tube. Finally, the staff can take the material by opening the rear cover 21.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A toughening heat treatment device for hot working die steel, characterized in that: include: A processing box (1), wherein a cover plate (2) is provided on one side of the processing box (1), and the cover plate (2) is connected to the processing box (1) via a hinge; a heating frame (3) is fixedly installed on the internal top surface of the processing box (1); two first heating tubes (4) are fixedly installed on one side of the internal part of the heating frame (3); a rotating disk (5) is provided on both sides of the processing box (1), and the two rotating disks (5) are connected via a connecting shaft (22); and a plurality of placement openings (6) are opened on one side of the rotating disk (5); A material unloading component is arranged on both sides of the interior of a processing box (1) and is used for unloading metal pipes. The material unloading component comprises two mounting blocks (7). The two mounting blocks (7) are respectively fixedly mounted on both sides of the interior of the processing box (1). A cylinder (10) is fixedly mounted on the inner circular wall surface of the mounting block (7). The telescopic shaft of the cylinder (10) is fixedly connected to a push block (11). A rotating motor (8) is fixedly mounted on one side of the processing box (1). A rotating hole (9) is opened on one side of the processing box (1). The shaft of the rotating motor (8) is fixedly connected to one of the turntables (5).

2. A strengthening and toughening heat treatment device for hot working die steel according to claim 1, characterized in that: The inner bottom surface and the upper surface of the placement opening (6) are both provided with a limiting groove (12), a plurality of springs (14) are arranged inside the limiting groove (12), a limiting block (13) is movably sleeved inside the limiting groove (12), and the limiting block (13) is fixedly connected to the spring (14).

3. A strengthening and toughening heat treatment device for hot working die steel according to claim 2, characterized in that: An arc-shaped groove (15) is formed on one side of the limiting block (13).

4. The strengthening and toughening heat treatment device for hot working die steel according to claim 1, characterized in that: Both sides of the processing box (1) are fixedly mounted with unloading plates (16), and a plurality of unloading rollers (17) are rotatably mounted between the two unloading plates (16).

5. The strengthening and toughening heat treatment device for hot working die steel according to claim 1, characterized in that: Two second heating tubes (18) are fixedly installed between the two rotating disks (5).

6. The strengthening and toughening heat treatment device for hot working die steel according to claim 1, characterized in that: The inner bottom surface of the processing box (1) is provided with a cooling groove (19).

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