Rotary heat treatment device for surface of die steel

Abstract

The utility model relates to the technical field of steel heat treatment, in particular to a rotary heat treatment device for a die steel surface. Comprising a heating box, a portal frame, a heating coil, a vertical driving assembly and two rotary clamping mechanisms. The heating box comprises a main box body and an upper cover, through holes are formed in the two sides of the heating box, and a first electric telescopic rod used for driving the upper cover to ascend and descend is installed on the main box body; the heating coil is divided into an upper part and a lower part, the upper part and the lower part of the heating coil are connected with insulating frames, and the two insulating frames at the upper end and the lower end are connected with the main box body and the upper cover respectively; a plurality of self-locking universal wheels are mounted at the bottom end of the portal frame; the two rotary clamping mechanisms are installed at the two ends of the portal frame correspondingly. The vertical driving assembly is installed on the portal frame and used for driving the two rotary clamping mechanisms to ascend and descend synchronously. The heat-preservation and energy-saving type air conditioner is not prone to being limited by indoor space, the heat preservation effect can be achieved by arranging the heating box, and therefore heat loss is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of steel heat treatment, in particular to a surface rotary heat treatment device for die steel. Background Technique

[0002] Die steel heat treatment refers to the process of heating and cooling die steel materials to change their structures and properties, thereby improving their hardness, wear resistance, heat resistance and corrosion resistance. Common heat treatment processes include quenching, tempering, normalizing, etc.

[0003] A Chinese patent with the publication number CN221421157U discloses a surface rotary heat treatment device for die steel, which relates to the technical field of die steel heat treatment. It includes a base and die steel. A vertical plate is installed on the surface of the base, a connecting ring is installed on the surface of the vertical plate, a heating pipe is installed on the surface of the base, and an auxiliary device is arranged on the surface of the vertical plate. The auxiliary device includes a plug rod, the plug rod is slidably connected to the vertical plate, and a positioning plate is slidably connected to the surface of the plug rod.

[0004] The above-mentioned disclosed patent still has the following technical defects: 1. The exposed heating pipe will cause heat loss and also cause the indoor temperature to rise; 2. Before installing the die steel, it needs to be penetrated from one end of the heating pipe, so a larger indoor space needs to be set to meet the installation and disassembly requirements of the die steel. Summary of the Invention

[0005] The purpose of the utility model is to propose a surface rotary heat treatment device for die steel aiming at the problems existing in the background technique.

[0006] The technical solution of the utility model, a surface rotary heat treatment device for die steel, includes:

[0007] A heating box, the heating box includes a main box body and an upper cover. Through holes are opened on both sides of the heating box, and a first electric telescopic rod for driving the upper cover to lift is installed on the main box body;

[0008] A heating coil, the heating coil is divided into upper and lower parts, insulating frames are connected to both the upper and lower parts of the heating coil, and the two insulating frames at the upper and lower ends are respectively connected to the main box body and the upper cover;

[0009] A gantry, a plurality of self-locking universal wheels are installed at the bottom end of the gantry;

[0010] Two rotary clamping mechanisms, which are respectively installed at both ends of the gantry;

[0011] A vertical driving component, which is installed on the gantry and used to drive the two rotary clamping mechanisms to lift synchronously.

[0012] Preferably, the rotary clamping mechanism includes a circular ring, a turntable, a fixed disk, a sliding seat, an annular housing, a second electric telescopic rod, an elastic connection assembly, and two clamping rods. Slide holes are formed on both sides of the gantry, and the sliding seat is slidably installed in the corresponding slide hole. The fixed disk is fixedly connected to the sliding seat, the turntable is rotatably installed on the fixed disk, the circular ring is arranged on one side of the turntable, and a plurality of fixed rods are connected between the circular ring and the turntable. Both clamping rods are slidably installed inside the circular ring, and the two clamping rods are connected by an elastic connection assembly. The end of the clamping rod is connected to a push rod, and the end of the push rod is connected to a ball. The annular housing is arranged between the turntable and the circular ring, the second electric telescopic rod is installed on the turntable and its output shaft is connected to the annular housing. A first servo motor is installed on one side of the fixed disk, and the output shaft of the first servo motor is connected to the turntable.

[0013] Preferably, the elastic connection assembly includes a guide rod, a spring, and two limit blocks. The guide rod movably penetrates through the two clamping rods, the two limit blocks are respectively arranged at both ends of the guide rod, and the spring is sleeved on the guide rod.

[0014] Preferably, the inner side of the annular housing is of a circular funnel-shaped structure.

[0015] Preferably, the vertical driving assembly includes a second servo motor, a transmission shaft, two winding disks, and two suspension ropes. The transmission shaft is rotatably installed at the upper end of the gantry, the second servo motor is installed on the gantry and its output shaft is connected to the end of the transmission shaft. Both winding disks are installed on the transmission shaft, and the two suspension ropes are respectively fixedly wound around the winding disks on both sides, and the other ends of the two suspension ropes are respectively connected to the sliding seat.

[0016] Preferably, heat-insulating materials are arranged inside the heating box.

[0017] Compared with the prior art, the utility model has the following beneficial technical effects:

[0018] The heating coil is divided into upper and lower parts, so that it is not necessary to penetrate the workpiece from one end of the heating coil when installing the workpiece, and thus there is no mandatory requirement for the size of the indoor space.

[0019] 2. The heating box provided can play a heat preservation role to reduce heat loss. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic structural diagram of the utility model.

[0021] Figure 2 It is a sectional view structural diagram of the heating box of the utility model.

[0022] Figure 3 It is a schematic structural diagram of the rotary clamping mechanism of the utility model.

[0023] Figure 4 This is a schematic structural diagram of the clamping rod and the elastic connection component in the present utility model.

[0024] Figure 5 This is a schematic structural diagram of the annular housing in the present utility model.

[0025] Reference numerals: 1, heating box; 101, main box body; 102, upper cover; 1001, through hole; 2, gantry; 201, sliding hole; 3, self-locking universal wheel; 4, first electric telescopic rod; 5, heating coil; 6, circular ring; 7, clamping rod; 8, turntable; 9, fixed disk; 10, sliding seat; 11, first servo motor; 12, annular housing; 13, second electric telescopic rod; 14, fixed rod; 15, ejector rod; 16, ball; 171, guide rod; 172, spring; 173, limit block; 18, second servo motor; 19, winding disk; 20, transmission shaft; 21, lifting rope; 22, insulating bracket. Specific embodiments Embodiment 1

[0026] As Figure 1 and Figure 2 shown, a surface rotary heat treatment device for die steel proposed in this embodiment includes a heating box 1, a gantry 2, a heating coil 5, a vertical driving assembly, and two rotary clamping mechanisms.

[0027] The inside of the heating box 1 is provided with heat-insulating materials. The heating box 1 includes a main box body 101 and an upper cover 102. Through holes 1001 are opened on both sides of the heating box 1. A first electric telescopic rod 4 for driving the lifting of the upper cover 102 is installed on the main box body 101; the heating coil 5 is divided into upper and lower parts. Both the upper and lower parts of the heating coil 5 are connected with insulating brackets 22. The two insulating brackets 22 at the upper and lower ends are respectively connected with the main box body 101 and the upper cover 102; a plurality of self-locking universal wheels 3 are installed at the bottom end of the gantry 2; the two rotary clamping mechanisms are respectively installed at both ends of the gantry 2; the vertical driving assembly is installed on the gantry 2 for driving the two rotary clamping mechanisms to lift synchronously.

[0028] In this embodiment, before placing the workpiece (die steel), first, the first electric telescopic rod 4 is set to drive the upper cover 102 to separate from the main box body 101. The upper cover 102 drives the upper and lower parts of the heating coil 5 to move away from each other. Subsequently, the workpiece is placed between the upper and lower parts of the heating coil 5, and both ends of the workpiece are fixed by two rotary clamping mechanisms. Then, the first electric telescopic rod 4 is started to work to drive the upper cover 102 to reset. At this time, the upper and lower parts of the heating coil 5 are in contact to form a complete heating coil 5, so that the heating coil 5 is energized, thereby realizing the heating work of the workpiece. In summary, in this technical solution, when installing the workpiece, it is not necessary to penetrate from one end of the heating coil 5, so that the problem that the workpiece cannot be placed inside the heating coil 5 due to the narrow indoor space will not occur, and the heating box 1 provided can play a heat preservation role to reduce heat loss. Embodiment 2

[0029] As Figure 1 、 Figure 3 、 Figure 4 and Figure 5 shown, a surface rotary heat treatment device for die steel proposed in this embodiment, compared with Embodiment 1, in this embodiment, the rotary clamping mechanism includes a circular ring 6, a turntable 8, a fixed disk 9, a sliding seat 10, an annular housing 12, a second electric telescopic rod 13, an elastic connection assembly and two clamping rods 7. Slide holes 201 are formed on both sides of the gantry 2, and the sliding seat 10 is slidably installed in the corresponding slide hole 201. The fixed disk 9 is fixedly connected to the sliding seat 10. The turntable 8 is rotatably installed on the fixed disk 9. The circular ring 6 is arranged on one side of the turntable 8. A plurality of fixing rods 14 are connected between the circular ring 6 and the turntable 8. Both clamping rods 7 are slidably installed inside the circular ring 6. The two clamping rods 7 are connected by an elastic connection assembly. The elastic connection assembly includes a guide rod 171, a spring 172 and two limit blocks 173. The guide rod 171 movably penetrates through the two clamping rods 7. The two limit blocks 173 are respectively arranged at both ends of the guide rod 171. The spring 172 is sleeved on the guide rod 171. The end of the clamping rod 7 is connected with a push rod 15, and the end of the push rod 15 is connected with a ball 16. The annular housing 12 is arranged between the turntable 8 and the circular ring 6. The inner side of the annular housing 12 is a circular funnel-shaped structure. The second electric telescopic rod 13 is installed on the turntable 8 and its output shaft is connected with the annular housing 12. A first servo motor 11 is installed on one side of the fixed disk 9, and the output shaft of the first servo motor 11 is connected with the turntable 8.

[0030] The vertical driving assembly includes a second servo motor 18, a transmission shaft 20, two winding reels 19 and two suspension ropes 21. The transmission shaft 20 is rotatably installed at the upper end of the gantry 2. The second servo motor 18 is installed on the gantry 2 and its output shaft is connected to the end of the transmission shaft 20. The two winding reels 19 are both installed on the transmission shaft 20. The two suspension ropes 21 are respectively fixedly wound around the winding reels 19 on both sides, and the other ends of the two suspension ropes 21 are respectively connected to the sliding seat 10.

[0031] In this embodiment, the gantry 2 provided in the technical solution can facilitate movement, and with the cooperation of the vertical driving assembly, it can facilitate the lifting of the workpiece on the ground, thus avoiding the cumbersome handling process, saving time and effort. When fixing the workpiece, place the end of the workpiece between the two clamping rods 7, and then start the second electric telescopic rod 13 to drive the annular housing 12 to move, so that the inclined surface on the annular housing 12 contacts the ball 16, forcing the two clamping rods 7 to approach each other, thereby realizing the clamping of the workpiece. By setting the first servo motor 11, the turntable 8 can be driven to rotate, and then the workpiece can be driven to rotate to ensure the uniformity of the workpiece's heat reception.

[0032] The above has described in detail the embodiments of the present invention in conjunction with the drawings. However, the present invention is not limited thereto. Various changes can be made without departing from the spirit of the present invention within the scope of knowledge possessed by those skilled in the art to which the present invention pertains.

Claims

1. A die steel surface rotary heat treatment device, characterized in that: include: A heating box (1), the heating box (1) comprising a main box body (101) and an upper cover (102), through holes (1001) being provided on both sides of the heating box (1), and a first electric telescopic rod (4) for driving the upper cover (102) to rise and fall is installed on the main box body (101); A heating coil (5), the heating coil (5) being divided into an upper and lower part, the upper and lower parts of the heating coil (5) being connected to insulating frames (22), and the two insulating frames (22) at the upper and lower ends being connected to the main box body (101) and the upper cover (102) respectively; A gantry (2), wherein a plurality of self-locking universal wheels (3) are mounted at the bottom end of the gantry (2); Two rotating clamping mechanisms, the two rotating clamping mechanisms are respectively mounted at two ends of the gantry (2); A vertical drive assembly is installed on the gantry (2) and is used to drive the two rotating clamping mechanisms to rise and fall synchronously.

2. A die steel surface rotary heat treatment device according to claim 1, characterized in that: The rotary clamping mechanism comprises a circular ring (6), a rotating disk (8), a fixed disk (9), a sliding seat (10), an annular shell (12), a second electric telescopic rod (13), an elastic connection component and two clamping rods (7). Sliding holes (201) are provided on both sides of the gantry (2). The sliding seat (10) is slidably mounted in the sliding holes (201) on the corresponding sides. The fixed disk (9) is fixedly connected to the sliding seat (10). The rotating disk (8) is rotatably mounted on the fixed disk (9). The circular ring (6) is arranged on one side of the rotating disk (8). A plurality of fixed rods ( 14), the two clamping rods (7) are both slidably mounted on the inner side of the circular ring (6), the two clamping rods (7) are connected by an elastic connection assembly, the ends of the clamping rods (7) are connected to a push rod (15), the ends of the push rod (15) are connected to a ball (16), an annular shell (12) is arranged between the turntable (8) and the circular ring (6), the second electric telescopic rod (13) is mounted on the turntable (8) and its output shaft is connected to the annular shell (12), a first servo motor (11) is mounted on the fixed disk (9) on one side, and the output shaft of the first servo motor (11) is connected to the turntable (8).

3. A die steel surface rotary heat treatment device according to claim 2, characterized in that: The elastic connection assembly comprises a guide rod (171), a spring (172) and two limit blocks (173); the guide rod (171) movably passes through the two clamping rods (7); the two limit blocks (173) are respectively arranged at two ends of the guide rod (171); and the spring (172) is sleeved on the guide rod (171).

4. A die steel surface rotary heat treatment device according to claim 2, characterized in that: The inner side of the annular shell (12) is a circular funnel-shaped structure.

5. The die steel surface rotary heat treatment device according to claim 2, characterized in that: The vertical drive assembly comprises a second servo motor (18), a transmission shaft (20), two winding reels (19) and two suspension ropes (21); the transmission shaft (20) is rotatably mounted on the upper end of the gantry (2); the second servo motor (18) is mounted on the gantry (2) and its output shaft is connected to the end of the transmission shaft (20); the two winding reels (19) are both mounted on the transmission shaft (20); the two suspension ropes (21) are respectively fixedly wound around the winding reels (19) on both sides, and the other ends of the two suspension ropes (21) are respectively connected to the sliding seat (10).

6. The die steel surface rotary heat treatment device according to claim 1, characterized in that: A heat-insulating material is arranged inside the heating box (1).

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