Uniform heating type heat treatment device

Abstract

The utility model discloses a uniform heating type heat treatment device which comprises a box body, a box door is hinged to one end of the box body, a strip-shaped opening is formed in the top of the box body, a door plate is connected in the strip-shaped opening in a sliding mode, the interior of the box body is divided into a preheating area and a heating area through the door plate, and a plurality of heating pipes are connected to the inner wall of the heating area. A lifting mechanism for driving the door plate to slide in the strip-shaped opening is arranged on the box body; the lower portion in the box body is connected with a partition plate, and two sliding holes are formed in the partition plate. Two groups of placement racks are slidably connected in the box body, each placement rack comprises supporting rods slidably connected in the two sliding holes, each supporting rod is connected with a plurality of storage basins, the bottom of each storage basin is provided with a plurality of through holes, and the lower ends of the two supporting rods are both connected with a box body; a first driving mechanism for driving the two box bodies to move reversely is arranged below the partition plate in the box body, and a second driving mechanism for driving the supporting rod to rotate is arranged in each box body. And the two groups of placing racks alternately move to heat while preheating, so that the heat treatment efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat treatment, in particular to a uniform heating type heat treatment device. Background Art

[0002] Heat treatment is a metal heat processing process that controls the properties of metal materials by heating, keeping them warm, and cooling them in a certain medium. Heat treatment equipment is essential in the casting process. Existing heat treatment devices have the following problems: (1) During the heat treatment process, the workpieces are directly stacked on a tray, and then the tray is placed in a heat treatment box for heating. The stacked workpieces are easily heated unevenly, which greatly affects the heat treatment efficiency of the workpieces; (2) When the temperature in the heat treatment box is too high, the heat is directly discharged, increasing energy consumption; (3) Some workpieces need to be preheated before heat treatment, but after preheating, the workpieces need to be manually placed in the heat treatment box, which is dangerous and inconvenient to operate. Utility Model Content

[0003] In view of the deficiencies in the prior art, the present invention provides a uniform heating heat treatment device to solve the problems mentioned in the above background technology.

[0004] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0005] A uniform heating heat treatment device comprises a box body, a box door is hinged at one end of the box body, a strip opening is provided at the top of the box body, a door panel is slidably connected to the strip opening, the box body is divided into a preheating zone and a heating zone by the door panel, the inner wall of the heating zone is connected to a plurality of heating tubes, and the box body is provided with a lifting mechanism for driving the door panel to slide in the strip opening; a partition is connected to the lower part of the box body, and two sliding holes are provided on the partition along its length direction; two groups of placement racks are slidably connected to the box body, and the placement racks include support rods slidably connected to the two sliding holes, each support rod is connected to a plurality of storage basins, and the bottom of the storage basins is provided with a plurality of through holes, and the lower ends of the two support rods are connected to the box body, and a first driving mechanism for driving the two box bodies to move in opposite directions is provided in the box body below the partition, and a second driving mechanism for driving the support rods to rotate is provided in each box body.

[0006] Preferably, the lifting mechanism includes brackets connected to both sides of the top of the box body, a retractable shaft rotatably connected to the two brackets, retractable wheels connected to both sides of the retractable shaft, a steel rope wound around the retractable wheels, and one end of the steel rope is connected to the top of the door panel; the lifting mechanism also includes a first motor arranged on the box body, a first transmission shaft connected to the first motor through a coupling, a first driving wheel connected to the first transmission shaft, a first driven wheel connected to the retractable shaft, and a first transmission belt transmitting the first driving wheel and the first driven wheel.

[0007] Preferably, the first driving mechanism includes two screw rods rotatably connected to the box body, guide rails arranged in the box body and located on both sides of each screw rod, the two screw rods are provided with opposite threads, and the two screw rods are threadedly connected to a slide, a second motor is provided on the outside of the box body, the second motor is connected to a second transmission shaft through a coupling, the second transmission shaft is connected to a second driving wheel, the second transmission shaft is connected to one of the screw rods for transmission, the other screw rod is connected to a second driven wheel, the second driving wheel and the second driven wheel are connected by a second transmission belt, and the two box bodies are respectively fixed on the two slides.

[0008] Preferably, the second driving mechanism includes a second motor arranged in the box body, the second motor is in transmission connection with the lower end of the support rod, and the inner wall of the box body is provided with a heat insulation layer.

[0009] Preferably, a heat recovery pipe is connected to the top of the heating zone on the box body, one end of the heat recovery pipe is communicated with the preheating zone, and a control valve is connected to the heat recovery pipe.

[0010] Compared with the prior art, the beneficial effects of the present invention are:

[0011] The workpiece is placed on a rack in the preheating zone, while another rack is idle and located in the heating zone. Heat from the heating zone is transferred to the preheating zone to preheat the workpiece, reducing energy consumption. After preheating, the door panel is raised by the lifting mechanism, and the first drive mechanism controls the rack holding the workpiece to enter the heating zone, while the idle rack enters the preheating zone. The door panel is then closed, and the workpiece is heated in the heating zone. Simultaneously, a new workpiece is placed on the rack in the preheating zone and preheated. This alternating motion allows for simultaneous preheating and heating, improving heat treatment efficiency. Furthermore, the workpiece moves between the preheating and heating zones without the need for manual pushing by a worker. Simultaneously, the second drive mechanism controls the rotation of the support rod, which in turn drives the rotation of the storage basin, thereby comprehensively heating the workpiece and improving heating efficiency and quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural diagram of the utility model;

[0013] Figure 2 It is a cross-sectional view of the utility model;

[0014] Figure 3 is a top view of the first driving mechanism;

[0015] Figure 4 This is a schematic diagram of a storage basin;

[0016] In the figure: 1-box body, 2-box door, 3-door panel, 4-preheating zone, 5-heating zone, 6-heating tube, 7-partition, 8-slide hole, 9-support rod, 10-box body, 11-storage basin, 12-bracket, 13-retractable shaft, 14-retractable wheel, 15-steel rope, 16-first motor, 17-first driving wheel, 18-second driven wheel, 19-first transmission belt, 20-screw, 21-guide rail, 22-slide seat, 23-second motor, 24-second driving wheel, 25-second driven wheel, 26-third motor, 27-insulation layer, 28-return heat pipe, 29-control valve. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0018] See also Figure 1-4 A uniform heating type heat treatment device includes a box body 1, a box door 2 is hinged at one end of the box body 1, a strip opening is provided at the top of the box body 1, a door panel 3 is slidably connected to the strip opening, the box body 1 is divided into a preheating zone 4 and a heating zone 5 by the door panel 3, the inner wall of the heating zone 5 is connected to a plurality of heating tubes 6, and the box body 1 is provided with a lifting mechanism for driving the door panel 3 to slide in the strip opening. Specifically, the lifting mechanism includes a bracket 12 connected to both sides of the top of the box body, a retractable shaft 13 rotatably connected to the two brackets, a retractable wheel 14 connected to both sides of the retractable shaft, and a steel rope 15 wound around the retractable wheel, one end of the steel rope 15 is connected to the top of the door panel 3; the lifting mechanism also includes a first motor 16 provided on the box body, a first transmission shaft connected to the first motor through a coupling, a first driving wheel 17 connected to the first transmission shaft, a first driven wheel 18 connected to the retractable shaft, and a first transmission belt 19 for transmitting power to the first driving wheel and the first driven wheel. Start the first motor 16, and through the cooperation of the first driving wheel 17, the first transmission belt 19 and the first driven wheel 18, drive the retracting shaft 13 to rotate, thereby driving the retracting wheel 14 to rotate to release or reel in the steel rope, thereby driving the door panel 3 to rise or fall.

[0019] A partition 7 is connected to the lower part of the box body 1, and two sliding holes 8 are provided on the partition 7 along its length direction; two sets of placement racks are slidably connected in the box body, and the placement racks include support rods 9 slidably connected to the two sliding holes, and each support rod 9 is connected to a number of storage basins 11. The bottom of the storage basin 11 is provided with a number of through holes, which is conducive to heat transfer between the storage basins. The lower ends of the two support rods 9 are connected to the box body 10, and a first driving mechanism for driving the two box bodies 10 to move in opposite directions is provided below the partition in the box body 1. Specifically, the first drive mechanism includes two screw rods 20 rotatably connected to the box body, and guide rails 21 provided in the box body and located on both sides of each screw rod. The two screw rods 20 are provided with opposite threads, and the two screw rods 20 are both threadedly connected to the slide 22. A second motor 23 is provided on the outside of the box body 1. The second motor 23 is connected to a second transmission shaft through a coupling. The second transmission shaft is connected to a second driving pulley 24. The second transmission shaft is connected to one of the screw rods 20, and the other screw rod is connected to a second driven pulley 25. The second driving pulley 24 and the second driven pulley 25 are connected by a second transmission belt. The two box bodies 10 are respectively fixed to the two slides 22. When the second motor 23 is started, the cooperation of the second driving pulley 24, the second driven pulley 25 and the second transmission belt drives the two screw rods 20 to rotate simultaneously. Since the two screw rods 20 are provided with opposite threads, the two screw rods 20 drive the two slides 22 to move in opposite directions during rotation, thereby driving the two sets of placement racks to move alternately in the preheating zone and the heating zone.

[0020] Each housing 10 is provided with a second drive mechanism for rotating the support rod 9. The second drive mechanism includes a third motor 26 disposed within the housing and drivingly connected to the lower end of the support rod 9. The inner wall of the housing 10 is provided with a thermal insulation layer 27, which protects the second motor from overheating.

[0021] A heat recovery pipe 28 is connected to the top of the heating zone on the box body 1. One end of the heat recovery pipe 28 is connected to the preheating zone 4. A control valve 29 is connected to the heat recovery pipe 28. When the control valve 29 is opened, the heat from the heating zone can enter the preheating zone from the heat recovery pipe. Of course, the heat from the heating zone can also enter the preheating zone through the sliding hole.

[0022] The working principle of this embodiment is as follows: the workpiece is placed on a rack in the preheating zone 4, while the other rack is idle and located in the heating zone 5. The heat in the heating zone 5 can be transferred to the preheating zone 4 to preheat the workpiece, reducing energy consumption. After preheating is completed, the door panel 3 is driven up by the lifting mechanism, and the rack containing the workpiece is controlled by the first drive mechanism to enter the heating zone 5, while the idle rack enters the preheating zone 4. The door panel 3 is then closed, and the workpiece is heated by the heating zone 5. At the same time, a new workpiece is placed on the rack in the preheating zone and preheated. This alternating arrangement allows for preheating and heating simultaneously, improving heat treatment efficiency. Moreover, the workpiece moves between the preheating zone and the heating zone without the need for manual pushing by a worker. At the same time, the second drive mechanism controls the rotation of the support rod, thereby driving the rotation of the storage basin, thereby comprehensively heating the workpiece and improving heating efficiency and quality.

[0023] It should be noted that the terms "comprises," "includes," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, method, article, or apparatus that includes a series of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus. In the absence of further limitations, an element defined by the phrase "comprises a ..." does not preclude the presence of other identical elements in the process, method, article, or apparatus that includes the element.

[0024] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A uniform heating type heat treatment device, characterized in that: The invention comprises a box body (1), one end of which is hingedly connected to a box door (2), a strip opening being provided on the top of the box body (1), a door panel (3) being slidably connected in the strip opening, the box body (1) being divided into a preheating zone (4) and a heating zone (5) by the door panel (3), the inner wall of the heating zone (5) being connected to a plurality of heating tubes (6), a lifting mechanism for driving the door panel (3) to slide in the strip opening being provided on the box body (1); a partition (7) being connected to the lower part of the box body (1), the partition (7) being provided with two openings along its length direction Slide holes (8); two sets of placement racks are slidably connected in the box body, and the placement racks include support rods (9) slidably connected in the two slide holes, each support rod (9) is connected to a plurality of storage basins (11), and a plurality of through holes are opened at the bottom of the storage basins (11), and the lower ends of the two support rods (9) are connected to the box body (10), and a first driving mechanism for driving the two box bodies (10) to move in opposite directions is provided in the box body (1) below the partition, and a second driving mechanism for driving the support rods (9) to rotate is provided in each box body (10).

2. The uniform heating type heat treatment device according to claim 1, characterized in that: The lifting mechanism includes a bracket (12) connected to both sides of the top of the box body, a retractable shaft (13) rotatably connected to the two brackets, a retractable wheel (14) connected to both sides of the retractable shaft, and a steel rope (15) wound around the retractable wheel, one end of the steel rope (15) being connected to the top of the door panel (3); the lifting mechanism also includes a first motor (16) arranged on the box body, a first transmission shaft connected to the first motor through a coupling, a first driving wheel (17) connected to the first transmission shaft, a first driven wheel (18) connected to the retractable shaft, and a first transmission belt (19) transmitting and connecting the first driving wheel and the first driven wheel.

3. The uniform heating type heat treatment device according to claim 2, characterized in that: The first driving mechanism comprises two screw rods (20) rotatably connected to the box body, and guide rails (21) arranged in the box body and located on both sides of each screw rod, the two screw rods (20) are provided with opposite threads, and the two screw rods (20) are both threadedly connected to a slide seat (22), a second motor (23) is provided outside the box body (1), the second motor (23) is connected to a second transmission shaft through a coupling, a second driving wheel (24) is connected to the second transmission shaft, the second transmission shaft is connected to one of the screw rods (20), and the other screw rod is connected to a second driven wheel (25), the second driving wheel (24) and the second driven wheel (25) are connected through a second transmission belt, and the two box bodies (10) are respectively fixed on the two slide seats (22).

4. The uniform heating type heat treatment device according to claim 3, characterized in that: The second driving mechanism comprises a third motor (26) arranged in the box body, the third motor (26) is in transmission connection with the lower end of the support rod (9), and the inner wall of the box body (10) is provided with a heat insulation layer (27).

5. The uniform heating type heat treatment device according to claim 4, characterized in that: A heat recovery pipe (28) is connected to the top of the heating zone on the box (1), one end of the heat recovery pipe (28) is communicated with the preheating zone (4), and a control valve (29) is connected to the heat recovery pipe (28).

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