A heat treatment device for strengthening and toughening hot work die steel

Abstract

The utility model discloses a kind of toughening heat treatment devices of hot work die steel, it is related to hot work die steel technical field, a kind of toughening heat treatment device of hot work die steel, including cabinet, the front end of the cabinet is fixedly installed with cabinet door, the cabinet door is hinged with cabinet by hinge, the inside bottom end of the cabinet is provided with water storage tank, the right end of the water storage tank is communicated with first water outlet pipe, the other end of the first water outlet pipe is through the right end of cabinet and is communicated with water pump, the output of the water pump is communicated with second water outlet pipe, the rotation component of being set makes that heat and moisture can cover entire mould body, ensure that heat distribution and cooling rate are consistent at each point on mould surface, by the cooperation of fixed component and limit block, further firmly fixed mould steel on base plate, ensure that mould steel does not move due to thermal expansion and contraction in heat treatment, improve the precision and reliability of heat treatment.

Description

Technical Field

[0001] This utility model relates to the field of hot work die steel technology, specifically to a heat treatment device for strengthening and toughening hot work die steel. Background Technology

[0002] Hot work die steel is a type of die steel that operates under high-temperature conditions. It is mainly used to manufacture hot forming dies, such as hot forging dies, hot blanking dies, die casting dies, and hot extrusion dies. This type of die steel needs to maintain high strength, high toughness, and good wear resistance at high temperatures, while also being able to withstand repeated thermal shocks and mechanical stresses. Hot work die steel is widely used in automobile manufacturing, aerospace, electronics and communications, metallurgy, and mining industries.

[0003] Hot work die steel often requires a toughening heat treatment before use. Currently, traditional immersion quenching is prone to forming a "vapor film barrier" due to uneven liquid convection, resulting in different cooling rates on the die surface. Furthermore, traditional bolt-plate fixing can easily cause local stress concentration and exacerbate deformation. Therefore, a toughening heat treatment device for hot work die steel is proposed to solve the problems mentioned above. Utility Model Content

[0004] To solve the above-mentioned technical problems, a heat treatment device for strengthening and toughening hot work die steel is provided. This technical solution solves the problems mentioned in the background art of uneven cooling of the die surface and easy exacerbation of deformation during fixation.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a heat treatment device for strengthening and toughening hot work die steel, comprising a box body, a door fixedly installed at the front end of the box body, the door being hinged to the box body via a hinge, a water storage tank being provided at the bottom inner side of the box body, a first water outlet pipe being connected to the right end of the water storage tank, the other end of the first water outlet pipe penetrating through the right end of the box body and connected to a water pump, the output end of the water pump being connected to a second water outlet pipe, the other end of the second water outlet pipe extending into the interior of the box body and connected to a water collection pipe, the water collection... Multiple nozzles are fixedly connected to the left end of the pipe. A connecting plate is provided above the water storage tank. Multiple through holes are opened through the upper surface of the connecting plate. A guide plate is fixedly connected to the lower end of the connecting plate. A rotating assembly is fixedly connected to the upper end of the connecting plate. A base plate is provided above the rotating assembly. A limiting groove is opened inside the base plate. A mold body is provided inside the limiting groove. Limit blocks are provided at the four corners of the limiting groove. Positioning holes are opened at the four corners of the mold body. A fixing assembly is provided above the mold body.

[0006] Preferably, a handle is fixedly connected to the front end of the box door, and an observation window is provided on the left side of the handle at the front end of the box door.

[0007] Preferably, a heating plate is fixedly installed on the inner top of the box.

[0008] Preferably, the rotating assembly includes a motor and a connecting rod. The motor is fixedly installed at the left end of the housing. The output end of the motor passes through the left end of the housing and is fixedly connected to one end of the connecting rod. The other end of the connecting rod is fitted with a driving bevel gear. The tooth surface of the driving bevel gear meshes with a driven bevel gear. A rotating shaft is fixedly connected to the center of the driven bevel gear. The lower end of the rotating shaft is rotatably connected to the upper end of the connecting plate. A base plate is fixedly connected to the upper end of the rotating shaft. A housing is provided on the outer side of the rotating shaft.

[0009] Preferably, the fixing component includes auxiliary lifting holes, lifting chains, and a fixing plate. Multiple auxiliary lifting holes are fixedly installed on the top of the mold body. One end of the lifting chain is fixedly connected to the inside of the auxiliary lifting hole, and the other end of the multiple lifting chains is fixedly connected to the lower end of the fixing plate. A main lifting hole is provided above the fixing plate. A C-shaped hook is provided inside the main lifting hole. A hook handle is fixedly connected to the upper end of the C-shaped hook, and the upper end of the hook handle is fixedly connected to the top inner side of the box.

[0010] Preferably, a rotary bearing is rotatably connected between the fixing plate and the main lifting hole.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: the rotating component allows heat and moisture to cover the entire mold body, ensuring that the heat distribution and cooling rate are consistent at all points on the mold surface. The cooperation between the fixing component and the limiting block further secures the mold steel to the base plate, ensuring that the mold steel will not move due to thermal expansion and contraction during heat treatment, thereby improving the accuracy and reliability of heat treatment. Attached Figure Description

[0012] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a schematic diagram of the internal structure of the box in this utility model; Figure 3 This is a schematic diagram of the rotating component in this utility model; Figure 4 for Figure 2 A magnified view of a portion of point A in the middle.

[0013] The numbers on the map are: 1. Box body; 2. Box door; 3. Hinge; 4. Water storage tank; 5. First water outlet pipe; 6. Water pump; 7. Second water outlet pipe; 8. Water collection pipe; 9. Nozzle; 10. Connecting plate; 11. Through hole; 12. Guide plate; 13. Rotating assembly; 1301. Motor; 1302. Connecting rod; 1303. Driving bevel gear; 1304. Driven bevel gear; 1305. Rotating shaft; 1306. Outer shell; 14. Base plate; 15. Limiting groove; 16. Mold body; 17. Limiting block; 18. Positioning hole; 19. Fixing assembly; 1901. Secondary lifting hole; 1902. Lifting chain; 1903. Fixing plate; 1904. Main lifting hole; 1905. C-hook; 1906. Hook handle; 20. Handle; 21. Observation window; 22. Heating plate; 23. Rotary bearing. Detailed Implementation

[0014] The following description is intended to disclose the present invention so that those skilled in the art can implement it. The preferred embodiments described below are merely examples, and other obvious variations will occur to those skilled in the art.

[0015] Reference Figures 1-4 As shown, a heat treatment device for strengthening and toughening hot work die steel includes a housing 1. A door 2 is fixedly installed at the front end of the housing 1. A heating plate 22 is fixedly installed at the top inner side of the housing 1. A control center is set at the upper end of the housing 1. The control center controls the heating process of the heating plate 22 through set values ​​and feedback signals. A handle 20 is fixedly connected to the front end of the door 2. An observation window 21 is set at the left side of the handle 20 at the front end of the door 2. The door 2 is hinged to the housing 1 by a hinge 3. A water storage tank 4 is set at the bottom inner side of the housing 1. A first water outlet pipe 5 is connected to the right end of the water storage tank 4. The other end of the first water outlet pipe 5 passes through... A water pump 6 is connected to the right end of the housing 1. The output end of the water pump 6 is connected to a second water outlet pipe 7. The other end of the second water outlet pipe 7 extends into the interior of the housing 1 and is connected to a water collection pipe 8. Multiple nozzles 9 are fixedly connected to the left end of the water collection pipe 8. A connecting plate 10 is provided above the water storage tank 4. Multiple through holes 11 are opened through the upper surface of the connecting plate 10. A guide plate 12 is fixedly connected to the lower end of the connecting plate 10. A rotating component 13 is fixedly connected to the upper end of the connecting plate 10. The rotating component 13 allows heat and moisture to cover the entire mold body 16, ensuring that the heat distribution and cooling rate are consistent at all points on the mold surface. Furthermore, the rotating assembly 13 includes a motor 1301 and a connecting rod 1302. The motor 1301 is fixedly installed at the left end of the housing 1. The output end of the motor 1301 passes through the left end of the housing 1 and is fixedly connected to one end of the connecting rod 1302. The other end of the connecting rod 1302 is sleeved with a driving bevel gear 1303. The tooth surface of the driving bevel gear 1303 meshes with a driven bevel gear 1304. A rotating shaft 1305 is fixedly connected to the center of the driven bevel gear 1304. The lower end of the rotating shaft 1305 is rotatably connected to the upper end of the connecting plate 10. A base plate 14 is fixedly connected to the upper end of the rotating shaft 1305. A housing 1306 is provided on the outside of the rotating shaft 1305. A base plate 14 is provided above the rotating assembly 13. A limiting groove 15 is opened inside the base plate 14. A mold body 16 is provided inside the limiting groove 15. When the water pump 6 and the motor 1301 are started, the water pump 6 pumps water from the storage tank 4... Cooling water is sprayed onto the mold surface through nozzle 9. Motor 1301 drives the active bevel gear 1303 and driven bevel gear 1304 to rotate through connecting rod 1302, thereby driving the rotating shaft 1305 to rotate. The base plate 14 and mold body 16 at the upper end of the rotating shaft 1305 rotate and are cooled. Limiting blocks 17 are provided at the four corners of the limiting groove 15. The door 2 is opened by handle 20, and the mold body 16 is placed into the limiting groove 15 of the base plate 14. The limiting blocks 17 at the four corners are aligned with the positioning holes 18 to fix the mold body 16. Positioning holes 18 are provided at the four corners of the mold body 16. A fixing component 19 is provided on the top of the mold body 16. Through the cooperation of the fixing component 19 and the limiting blocks 17, the mold steel is further firmly fixed on the base plate 14 to ensure that the mold steel will not move due to thermal expansion and contraction during heat treatment, thereby improving the accuracy and reliability of heat treatment. Furthermore, the fixing component 19 includes auxiliary lifting holes 1901, lifting chains 1902, and fixing plates 1903. Multiple auxiliary lifting holes 1901 are fixedly installed on the top of the mold body 16. One end of the lifting chain 1902 is fixedly connected to the interior of the auxiliary lifting holes 1901, and the other end of the multiple lifting chains 1902 is fixedly connected to the lower end of the fixing plate 1903. A main lifting hole 1904 is provided above the fixing plate 1903. A rotary bearing 23 is rotatably connected between the fixing plate 1903 and the main lifting hole 1904. The rotary bearing 23 reduces the distance between the fixing plate 1903 and the main lifting hole 1904. The friction between the parts allows the mold steel to rotate more smoothly and steadily during rotation, reducing vibration and noise caused by friction and improving the accuracy and stability of rotation. A C-shaped hook 1905 is provided inside the main lifting hole 1904. One end of the lifting chain 1902 is connected to the auxiliary lifting hole 1901 on the top of the mold body 16, and the other end is connected to the fixing plate 1903. The mold body 1 is suspended to the top of the box 1 through the C-shaped hook 1905. The heating plate 22 is activated to heat up the mold. The upper end of the C-shaped hook 1905 is fixedly connected to the hook handle 1906, and the upper end of the hook handle 1906 is fixedly connected to the inner top of the box 1.

[0016] The usage process of this utility model is as follows: First, open the box door 2 through the handle 20, put the mold body 16 into the limiting groove 15 of the base plate 14, align the limiting blocks 17 and positioning holes 18 at the four corners to fix the mold body 16, then connect one end of the hanging chain 1902 to the auxiliary lifting hole 1901 on the top of the mold body 16, and connect the other end to the fixing plate 1903 to suspend it to the top of the box 1 through the C-shaped hook 1905, start the heating plate 22 to heat up, then start the water pump 6 and motor 1301, the water pump 6 sprays the cooling water from the water tank 4 onto the mold surface through the nozzle 9, the motor 1301 drives the active bevel gear 1303 and the driven bevel gear 1304 to rotate through the connecting rod 1302, thereby driving the rotating shaft 1305 to rotate, the base plate 14 and the mold body 16 at the upper end of the rotating shaft 1305 to rotate and cool, then remove the C-shaped hook 1905 and take out the mold body 16.

[0017] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A heat treatment apparatus for strengthening and toughening hot work die steel, comprising a housing (1), characterized in that: A door (2) is fixedly installed at the front end of the box (1). The door (2) is hinged to the box (1) via a hinge (3). A water storage tank (4) is provided at the bottom inner side of the box (1). A first water outlet pipe (5) is connected to the right end of the water storage tank (4). The other end of the first water outlet pipe (5) passes through the right end of the box (1) and is connected to a water pump (6). The output end of the water pump (6) is connected to a second water outlet pipe (7). The other end of the second water outlet pipe (7) extends into the interior of the box (1) and is connected to a water collection pipe (8). Multiple nozzles (9) are fixedly connected to the left end of the water collection pipe (8). A connecting plate (1) is provided above the water storage tank (4). 0), the upper surface of the connecting plate (10) is provided with multiple through holes (11), the lower end of the connecting plate (10) is fixedly connected with a guide plate (12), the upper end of the connecting plate (10) is fixedly connected with a rotating component (13), a base plate (14) is provided above the rotating component (13), a limiting groove (15) is provided inside the base plate (14), a mold body (16) is provided inside the limiting groove (15), a limiting block (17) is provided at each of the four corners of the limiting groove (15), a positioning hole (18) is provided at each of the four corners of the mold body (16), and a fixing component (19) is provided above the mold body (16).

2. The heat treatment apparatus for strengthening and toughening hot work die steel according to claim 1, characterized in that: The front end of the box door (2) is fixedly connected to a handle (20), and an observation window (21) is provided on the left side of the handle (20) at the front end of the box door (2).

3. The heat treatment apparatus for strengthening and toughening hot work die steel according to claim 1, characterized in that: A heating plate (22) is fixedly installed on the top inner side of the box (1).

4. The heat treatment apparatus for strengthening and toughening hot work die steel according to claim 1, characterized in that: The rotating assembly (13) includes a motor (1301) and a connecting rod (1302). The motor (1301) is fixedly installed at the left end of the housing (1). The output end of the motor (1301) passes through the left end of the housing (1) and is fixedly connected to one end of the connecting rod (1302). The other end of the connecting rod (1302) is sleeved with a driving bevel gear (1303). The tooth surface of the driving bevel gear (1303) meshes with a driven bevel gear (1304). The center of the driven bevel gear (1304) is fixedly connected to a rotating shaft (1305). The lower end of the rotating shaft (1305) is rotatably connected to the upper end of the connecting plate (10). The upper end of the rotating shaft (1305) is fixedly connected to a base plate (14). A housing (1306) is provided on the outside of the rotating shaft (1305).

5. The heat treatment apparatus for strengthening and toughening hot work die steel according to claim 1, characterized in that: The fixing component (19) includes a secondary lifting hole (1901), a lifting chain (1902), and a fixing plate (1903). The multiple secondary lifting holes (1901) are fixedly installed on the top of the mold body (16). One end of the lifting chain (1902) is fixedly connected to the inside of the secondary lifting hole (1901), and the other end of the multiple lifting chains (1902) is fixedly connected to the lower end of the fixing plate (1903). A main lifting hole (1904) is provided above the fixing plate (1903). A C-shaped hook (1905) is provided inside the main lifting hole (1904). A hook handle (1906) is fixedly connected to the upper end of the C-shaped hook (1905), and the upper end of the hook handle (1906) is fixedly connected to the top of the inner side of the box body (1).

6. The heat treatment apparatus for strengthening and toughening hot work die steel according to claim 5, characterized in that: A rotary bearing (23) is rotatably connected between the fixed plate (1903) and the main lifting hole (1904).

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