Adjustable atmosphere heat treatment equipment

Abstract

The utility model relates to the technical field of atmosphere heat treatment equipment, and discloses adjustable atmosphere heat treatment equipment which comprises an equipment body, a furnace door body is movably attached to the inner wall of the equipment body, a baffle is fixedly installed on the outer wall of the top of the equipment body, and moving rods are fixedly installed on the outer walls of two limiting blocks. And a cross plate is fixedly mounted at the ends, away from the limiting blocks, of the two moving rods, a threaded rod is in threaded connection with the interior of the cross plate, and two sliding rods are fixedly mounted on the side, away from the equipment body, of the furnace door body. According to the adjustable atmosphere heat treatment equipment, a threaded rod is rotated to drive a pressing plate and a supporting column to move leftwards, a furnace door main body can be far away from the interior of the equipment main body, a hydraulic rod is opened to drive a limiting block to move upwards and drive a moving rod, and connecting rods are arranged at four corners, so that the effect of uniformly extruding the furnace door main body is achieved; the problems that one side of a furnace door is likely to tilt and gas is likely to leak due to the fact that rotation force is not consistent when an existing quadrangular bolt is used for fixing are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of atmosphere heat treatment equipment, in particular to an adjustable atmosphere heat treatment equipment. Background Art

[0002] One of the key development directions of heat treatment production technology is controlled atmosphere heat treatment. In the development trend of non-oxidation heat treatment technology, controlled atmosphere heat treatment is the first choice. In the current small variety and large-scale production, especially the bright quenching, annealing, carburizing quenching, carbonitriding quenching, and gas nitrocarburizing of carbon steel and general alloy structural steel parts, controlled atmosphere is still the main means, so controlled atmosphere heat treatment is still the main component of advanced heat treatment technology.

[0003] The controlled atmosphere heat treatment furnace in the prior art has the problem that the furnace door is inconvenient to open. Since the furnace door needs to be tightly sealed, it is necessary to use a four-corner bolt structure for fixing and clamping to prevent the gas temperature and gas leakage in the furnace. However, the four-corner bolts need to be fixed and clamped one by one to achieve the effect of tightening and sealing. However, the existing four-corner bolts have inconsistent rotation force, which may cause one side of the furnace door to tilt up, which may cause gas leakage. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides an adjustable atmosphere heat treatment device to solve the problem mentioned in the above background technology that the existing four-corner bolt fixing may cause one side of the furnace door to tilt up due to inconsistent rotation force, which may cause gas leakage.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adjustable atmosphere heat treatment equipment, comprising an equipment main body, the inner wall of the equipment main body is movably fitted with a furnace door main body, a baffle is fixedly installed on the top outer wall of the equipment main body, two hydraulic rods are fixedly installed on the outer wall of the baffle, the output ends of the two hydraulic rods are fixedly installed with limit blocks, the outer walls of the two limit blocks are fixedly installed with moving rods, the ends of the two moving rods away from the limit blocks are fixedly installed with a cross plate, the internal threads of the cross plate are connected with threaded rods, two sliding rods are fixedly installed on the side of the furnace door main body away from the equipment main body, four connecting rods are fixedly installed on the side of the furnace door main body away from the equipment main body, a pressure plate is fixedly installed on the side of the four connecting rods away from the furnace door main body, a support column is fixedly installed on the side of the furnace door main body away from the equipment main body, and a moving plate is fixedly installed on the bottom end of the cross plate.

[0006] Preferably, two fixing plates are fixedly installed on the right outer wall of the device body, and an air storage tank is fixedly installed on the outer walls of the two fixing plates. Two air intake pipes are arranged inside the device body, and control valves are arranged inside the two air intake pipes. A T-shaped air guide pipe is fixedly connected to the side of the two air intake pipes away from the device body, and a boosting pump is arranged inside the T-shaped air guide pipe. An L-shaped pipe is fixedly connected to the inside of the air storage tank.

[0007] Preferably, the inner wall of the T-shaped air guide pipe is fixedly connected to the interior of the air storage tank, and the interior of the L-shaped pipe is fixedly connected to a blocking valve.

[0008] Preferably, the interior of the cross plate is threadedly connected to the outer wall of the threaded rod, and the interior of the movable plate is slidably connected to the outer walls of the two sliding rods.

[0009] Preferably, one end of the threaded rod away from the cross plate is rotatably connected to the inside of the pressure plate, and the side of the support column away from the furnace door body is fixedly welded.

[0010] Preferably, two grooves are provided on the top outer wall of the device body, and the inner walls of the two grooves are movably fitted with the outer walls of the two limit blocks respectively.

[0011] Preferably, an annular sealing gasket is fixedly mounted on one side of the furnace door body close to the equipment body, and the outer wall of the annular sealing gasket is movably fitted with the outer wall of the equipment body.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The adjustable atmosphere heat treatment equipment drives the pressing plate and the support column to move to the left by rotating the threaded rod, and the furnace door body will be away from the inside of the equipment body. The hydraulic rod is opened to drive the limit block to move up, drive the moving rod, drive the cross plate to move up, drive the moving plate and the sliding rod to move up, and the furnace door body will move up. Due to the squeezing effect of the threaded rod, the furnace door body can be quickly squeezed, and because the connecting rods are arranged at four corners, the effect of evenly squeezing the furnace door body can be achieved, which solves the problem that the existing four-corner bolt fixing may cause one side of the furnace door to tilt due to inconsistent rotation force, which may cause gas leakage.

[0014] 2. The adjustable atmosphere heat treatment equipment is connected to the air intake pipe through a T-shaped air guide pipe to achieve the effect of transmitting gas. Since the air intake pipe is arranged in two pipelines, the control valves on both sides can be opened at the same time when necessary. Compared with the related technology, the adjustable atmosphere heat treatment equipment provided by the utility model has the following beneficial effects: to speed up the air intake speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a side view schematic diagram of the structure of the utility model;

[0017] Figure 3 It is a three-dimensional schematic diagram of the furnace door main body and its related structures of the utility model.

[0018] In the figure: 1. Equipment body; 2. Furnace door body; 3. Baffle; 4. Hydraulic rod; 5. Limit block; 6. Moving rod; 7. Cross plate; 8. Threaded rod; 9. Sliding rod; 10. Pressing plate; 11. Connecting rod; 12. Fixed plate; 13. Gas storage tank; 14. Inlet pipe; 15. Control valve; 16. T-type air guide pipe; 17. Booster pump; 18. L-type pipe; 19. Support column; 20. Moving plate. DETAILED DESCRIPTION

[0019] 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.

[0020] Embodiment 1:

[0021] Please refer to Figures 1-3.

[0022] A controllable atmosphere heat treatment equipment comprises an equipment body 1, the inner wall of the equipment body 1 is movably fitted with a furnace door body 2, a baffle 3 is fixedly installed on the top outer wall of the equipment body 1, two hydraulic rods 4 are fixedly installed on the outer wall of the baffle 3, the output ends of the two hydraulic rods 4 are fixedly installed with limit blocks 5, the outer walls of the two limit blocks 5 are fixedly installed with moving rods 6, the ends of the two moving rods 6 away from the limit blocks 5 are fixedly installed with cross plates 7, the internal threads of the cross plate 7 are connected with threaded rods 8, two sliding rods 9 are fixedly installed on the side of the furnace door body 2 away from the equipment body 1, four connecting rods 11 are fixedly installed on the side of the furnace door body 2 away from the equipment body 1, a pressing plate 10 is fixedly installed on the side of the four connecting rods 11 away from the furnace door body 2, a support column 19 is fixedly installed on the side of the furnace door body 2 away from the equipment body 1, and a moving plate 20 is fixedly installed on the bottom end of the cross plate 7;

[0023] Specifically, when the equipment body 1 needs to be opened, the threaded rod 8 is rotated to drive the pressing plate 10 and the support column 19 to move to the left, and the pressing plate 10 drives the connecting rod 11 to move outward, and the furnace door body 2 will be away from the inside of the equipment body 1, and then the hydraulic rod 4 is opened, the hydraulic rod 4 retracts, and the hydraulic rod 4 will drive the limit block 5 to move upward, the limit block 5 will drive the moving rod 6, and the moving rod 6 will drive the cross plate 7 to move upward, and the cross plate 7 will drive the moving plate 20 and the sliding rod 9 to move upward, and the furnace door body 2 will move upward, so as to achieve the effect of convenient feeding, and due to the squeezing effect of the threaded rod 8, the furnace door body 2 can be quickly squeezed, and because the connecting rods 11 are arranged at four corners, the effect of uniformly squeezing the furnace door body 2 can be achieved;

[0024] In the embodiment: the interior of the cross plate 7 is threadedly connected to the outer wall of the threaded rod 8, and the interior of the moving plate 20 is slidably connected to the outer walls of the two sliding rods 9;

[0025] Specifically, the cross plate 7 is connected to the threaded rod 8 to achieve the effect of driving the threaded rod 8 and the pressure plate 10 to move leftward, and the moving plate 20 is connected to the sliding rod 9 to achieve the effect of stabilizing the moving furnace door body 2;

[0026] In the embodiment: one end of the threaded rod 8 away from the cross plate 7 is rotatably connected to the inside of the pressure plate 10, and the support column 19 is fixedly welded to one side away from the furnace door body 2;

[0027] Specifically, the threaded rod 8 is rotatably connected to the pressing plate 10 to achieve the effect of stably moving the pressing plate 10, and can achieve the effect of synchronously moving the pressing plate 10 outward, and the support column 19 can play the effect of squeezing and supporting the pressing plate 10;

[0028] In the embodiment: the top outer wall of the device body 1 is provided with two grooves, and the inner walls of the two grooves are movably fitted with the outer walls of the two limit blocks 5 respectively;

[0029] Specifically, the two grooves provided in the device body 1 cooperate with the two limit blocks 5 to achieve the positioning and clamping effect, and can achieve the positioning and limiting effect;

[0030] In the embodiment: a ring-shaped sealing gasket is fixedly installed on one side of the furnace door body 2 close to the equipment body 1, and the outer wall of the ring-shaped sealing gasket is movably fitted with the outer wall of the equipment body 1;

[0031] Specifically, the annular sealing gasket provided on the furnace door body 2 can achieve the effect of sealing the furnace door body 2, so as to achieve the effect of sealing the furnace door body 2;

[0032] Working principle: Rotate the threaded rod 8 to drive the pressure plate 10 and the support column 19 to move to the left, the furnace door body 2 will move away from the inside of the equipment body 1, open the hydraulic rod 4 to drive the limit block 5 to move up, drive the moving rod 6, drive the cross plate 7 to move up, drive the moving plate 20 and the slide rod 9 to move up, the furnace door body 2 will move up, and due to the extrusion effect of the threaded rod 8, the furnace door body 2 can be quickly extruded, and because the connecting rod 11 is arranged at four corners, compared with the related art, the utility model provides an adjustable atmosphere heat treatment equipment with the following beneficial effects: to achieve the effect of uniformly extruding the furnace door body 2, it solves the problem that the existing four-corner bolt fixing may cause one side of the furnace door to tilt up due to inconsistent rotation force, which may cause gas leakage.

[0033] Embodiment 2:

[0034] Please refer to Figures 1-3.

[0035] Two fixing plates 12 are fixedly installed on the right outer wall of the device body 1, and an air storage tank 13 is fixedly installed on the outer walls of the two fixing plates 12. Two air inlet pipes 14 are arranged inside the device body 1, and control valves 15 are arranged inside the two air inlet pipes 14. A T-shaped air guide pipe 16 is fixedly connected to the side of the two air inlet pipes 14 away from the device body 1, and a booster pump 17 is arranged inside the T-shaped air guide pipe 16. An L-shaped pipe 18 is fixedly connected to the inside of the air storage tank 13;

[0036] Specifically, the fixed plate 12 is fixedly mounted with a gas storage tank 13 for storing gas. The gas storage tank 13 enters the interior of the T-shaped gas guide pipe 16, and then the T-shaped gas guide pipe 16 is connected with the intake pipe 14 to achieve the effect of transmitting gas. Since the intake pipe 14 is provided with two pipes, the control valves 15 on both sides can be opened at the same time when necessary to speed up the intake speed, and the single-pipe delivery or double-pipe delivery can be changed according to the gas demand, so as to achieve the effect of regulating the intake volume. The booster pump 17 is provided to increase the pressure and accelerate the intake speed.

[0037] In the embodiment: the inner wall of the T-shaped air guide pipe 16 is fixedly connected to the interior of the gas storage tank 13, and the interior of the L-shaped pipe 18 is fixedly connected to a blocking valve;

[0038] Specifically, the T-shaped air guide pipe 16 is connected to the gas storage tank 13 to achieve the effect of outputting gas, and the blocking valve provided inside the L-shaped tube 18 can achieve the effect of sealing the L-shaped tube 18 to prevent gas leakage;

[0039] Working principle: The T-shaped air guide pipe 16 is connected to the air intake pipe 14 to achieve the effect of transmitting gas. Since the air intake pipe 14 is arranged as two pipelines, the control valves 15 on both sides can be opened at the same time when necessary. Compared with the related technology, the adjustable atmosphere heat treatment equipment provided by the utility model has the following beneficial effects: to speed up the air intake speed.

[0040] 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. An adjustable atmosphere heat treatment device, comprising a device body (1), characterized in that: The inner wall of the equipment body (1) is movably fitted with the furnace door body (2); a baffle (3) is fixedly installed on the top outer wall of the equipment body (1); two hydraulic rods (4) are fixedly installed on the outer wall of the baffle (3); a limit block (5) is fixedly installed on the output end of the two hydraulic rods (4); a moving rod (6) is fixedly installed on the outer wall of the two limit blocks (5); a cross plate (7) is fixedly installed on the end of the two moving rods (6) away from the limit block (5); a threaded rod (8) is connected to the inner thread of the cross plate (7); two sliding rods (9) are fixedly installed on the side of the furnace door body (2) away from the equipment body (1); four connecting rods (11) are fixedly installed on the side of the furnace door body (2) away from the equipment body (1); a pressure plate (10) is fixedly installed on the side of the four connecting rods (11) away from the furnace door body (2); a support column (19) is fixedly installed on the side of the furnace door body (2) away from the equipment body (1); and a moving plate (20) is fixedly installed on the bottom end of the cross plate (7).

2. The adjustable atmosphere heat treatment equipment according to claim 1, characterized in that: Two fixing plates (12) are fixedly mounted on the right outer wall of the device body (1), and an air storage tank (13) is fixedly mounted on the outer walls of the two fixing plates (12). Two air intake pipes (14) are arranged inside the device body (1), and control valves (15) are arranged inside the two air intake pipes (14). A T-shaped air guide pipe (16) is fixedly connected to the side of the two air intake pipes (14) away from the device body (1), and a booster pump (17) is arranged inside the T-shaped air guide pipe (16). An L-shaped pipe (18) is fixedly connected to the inside of the air storage tank (13).

3. The adjustable atmosphere heat treatment equipment according to claim 2, characterized in that: The inner wall of the T-shaped air guide pipe (16) is fixedly connected to the interior of the air storage tank (13), and the interior of the L-shaped pipe (18) is fixedly connected to a blocking valve.

4. The adjustable atmosphere heat treatment equipment according to claim 1, characterized in that: The interior of the cross plate (7) is threadedly connected to the outer wall of the threaded rod (8), and the interior of the movable plate (20) is slidably connected to the outer walls of the two sliding rods (9).

5. The adjustable atmosphere heat treatment equipment according to claim 1, characterized in that: One end of the threaded rod (8) away from the cross plate (7) is rotatably connected to the inside of the pressing plate (10).

6. The adjustable atmosphere heat treatment equipment according to claim 1, characterized in that: The top outer wall of the device body (1) is provided with two grooves, and the inner walls of the two grooves are movably fitted with the outer walls of the two limit blocks (5) respectively.

7. The adjustable atmosphere heat treatment equipment according to claim 1, characterized in that: An annular sealing gasket is fixedly mounted on one side of the furnace door body (2) close to the equipment body (1), and the outer wall of the annular sealing gasket is movably fitted with the outer wall of the equipment body (1).

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