CN219260116U

CN219260116U - Heat treatment furnace

Info

Publication number: CN219260116U
Application number: CN202320832697.3U
Authority: CN
Inventors: 陈超; 黄亮
Original assignee: Changzhou Saikelin Hardware Products Co ltd
Current assignee: Changzhou Saikelin Hardware Products Co ltd
Priority date: 2023-04-14
Filing date: 2023-04-14
Publication date: 2023-06-27
Anticipated expiration: 2033-04-14

Abstract

The utility model discloses a heat treatment furnace, which is provided with a furnace body, wherein a motor is arranged on the side surface of the furnace body through a bolt, and the output shaft of the motor is connected with a first screw rod; comprising the following steps: the bearing table is movably arranged in the furnace body, a fixed groove is formed in the upper end face of the bearing table, a moving wheel is arranged at the bottom of the bearing table, a ratchet wheel is arranged at the edge of the bearing table, and a fixed plate is fixed in the furnace body above the ratchet wheel; the second screw rod is fixed on the output shaft of the other motor, a sealing door is sleeved on the outer side thread of the second screw rod, a gas transmission channel is formed in the lower edge of the sealing door, and a gas outlet hole is formed in the bottom of the sealing door. This heat treatment furnace, the plummer can be according to the quantity of die casting that needs processing, removes different scope to in the heat treatment furnace, and then avoids the plummer to be heated for a long time and damage easily the phenomenon to can clear up the broken bits that drop on the plummer, prevent to influence the leakproofness after the sealing door closes.

Description

Heat treatment furnace

Technical Field

The utility model relates to the technical field of heat treatment furnaces, in particular to a heat treatment furnace.

Background

The alloy die castings are subjected to heat treatment in the production process, and the heat treatment furnace refers to an electric furnace or a fuel furnace for heating furnace charges in heat treatment, and the die castings are placed in the heat treatment furnace for mechanical energy annealing and the like, for example, a heat treatment furnace for aluminum alloy die castings is disclosed as CN 217202866U. The rack is placed on the trolley, the aluminum alloy castings can be placed on the rack firstly, and then the rack is placed on the trolley, so that the efficiency is high; the rack can be divided into multiple layers, and the utilization rate of the hearth in the height direction is high. However, the heat treatment furnace for aluminum alloy die castings still has the following defects in the actual use process:

because the alloy die castings processed at every turn are different in quantity, and the platform for placing the die castings needs to be completely placed into the heat treatment furnace every time, the platform is damaged for a long time, and the slag on the die castings can drop on the platform after processing, so that the tightness of the furnace door after closing is affected, and the novel design is urgently needed on the basis of the original heat treatment furnace aiming at the problems.

Disclosure of Invention

The utility model aims to provide a heat treatment furnace, which aims to solve the problems that in the prior art, the number of alloy die castings processed each time is different, and a platform for placing the die castings needs to be completely placed in the heat treatment furnace each time, so that the platform is damaged for a long time, and the slag on the die castings can fall on the platform after processing, so that the sealing performance of a furnace door is affected.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the heat treatment furnace is provided with a furnace body, wherein a motor is arranged on the side surface of the furnace body through a bolt, and the output shaft of the motor is connected with a first screw rod;

comprising the following steps:

the bearing table is movably arranged in the furnace body, a fixed groove is formed in the upper end face of the bearing table, a moving wheel is arranged at the bottom of the bearing table, a ratchet wheel is arranged at the edge of the bearing table, a fixed plate is fixed in the furnace body above the ratchet wheel, and a pawl is movably arranged on the lower end face of the fixed plate;

the second screw rod is fixed on the output shaft of the other motor, a sealing door is sleeved on the outer side thread of the second screw rod, a gas transmission channel is formed in the lower edge of the sealing door, and a gas outlet hole is formed in the bottom of the sealing door.

Preferably, the bearing table and the first screw rod are in threaded connection, the bearing table is of an L-shaped structure, the fixed grooves are distributed on the bearing table at equal intervals, and the bearing table can be driven to move in the furnace body through threaded transmission between the first screw rod and the bearing table.

Preferably, the pawl is articulated with the fixed plate, and one end of the pawl, which is close to the ratchet wheel, is made of rubber, and the pawl is distributed on the fixed plate at equal intervals, so that the smooth entering of the bearing table into the furnace body can be realized through the contact between the ratchet wheel and the pawl, and the vibration type moving out of the furnace body can be realized.

Preferably, the side of sealing door and the tip of furnace body closely laminate and slide, and sealing door's bottom and fixed slot looks block to sealing door's side and the one end fixed connection of connecting rope, through the block between sealing door bottom and the fixed slot, can guarantee sealing door after closing the leakproofness.

Preferably, the other end of the connecting rope is connected with a piston plate, the outer side of the piston plate is sleeved with a fixed cylinder, the fixed cylinder is fixed on the side face of the furnace body, and meanwhile, the upper end face of the piston plate is fixed with a spring for recovering the piston plate.

Preferably, the lower side of the fixed cylinder is fixed with a hose, the fixed cylinder is mutually communicated with the air transmission channel through the hose, and the air outlets are distributed at equal intervals below the air transmission channel, when the piston plate descends, air in the fixed cylinder can be extruded to enter the air transmission channel through the hose, and is discharged from the air outlets.

Compared with the prior art, the utility model has the beneficial effects that: this heat treatment furnace, the plummer can be according to the quantity of die casting that needs processing, removes different scope to in the heat treatment furnace, and then avoids plummer long-term being heated to damage easily the phenomenon to can clear up the broken bits that drop on the plummer, prevent to influence the leakproofness after the sealing door closes, specific content is as follows:

1. the second screw rod and the sealing door are driven to descend through screw thread transmission, the piston plate is pulled to descend through the connecting rope, gas in the fixed cylinder is extruded into the gas transmission channel through the hose, and finally the gas can be discharged from the gas outlet hole, so that the sealing door descends, and meanwhile, the fixing groove at the corresponding position can be cleaned through the blown gas, and the sealing performance of the sealing door and the fixing groove after being clamped is guaranteed;

2. when the bearing table moves into the furnace body, the ratchet wheel can push the pawl to rotate, so that smoothness can be guaranteed, when the bearing table moves out of the furnace body, resistance can be increased when the ratchet wheel moves through limiting of the pawl, and then the bearing table is driven to vibrate, and the separation speed of the die casting and the bearing table is improved.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic view of the back cross-section structure of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

FIG. 4 is a schematic view of the front cross-section of the fixing barrel of the present utility model;

fig. 5 is a schematic view showing the bottom structure of the sealing door of the present utility model.

In the figure: 1. a furnace body; 2. a motor; 3. a first screw rod; 4. a carrying platform; 5. a fixing groove; 6. a moving wheel; 7. a ratchet wheel; 8. a fixing plate; 9. a pawl; 10. a second screw rod; 11. sealing the door; 12. a gas transmission channel; 13. an air outlet hole; 14. a connecting rope; 15. a piston plate; 16. a fixed cylinder; 17. and (3) a hose.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: a heat treatment furnace is provided with a furnace body 1, a motor 2 is arranged on the side surface of the furnace body 1 through bolts, and a first screw rod 3 is connected with an output shaft of the motor 2; comprising the following steps: the bearing table 4 is movably arranged in the furnace body 1, a fixed groove 5 is formed in the upper end face of the bearing table 4, a moving wheel 6 is arranged at the bottom of the bearing table 4, a ratchet wheel 7 is arranged at the edge of the bearing table 4, a fixed plate 8 is fixed in the furnace body 1 above the ratchet wheel 7, and a pawl 9 is movably arranged on the lower end face of the fixed plate 8; the second screw rod 10 is fixed on the output shaft of the other motor 2, a sealing door 11 is sleeved on the outer side thread of the second screw rod 10, a gas transmission channel 12 is formed in the lower edge of the sealing door 11, and a gas outlet hole 13 is formed in the bottom of the sealing door 11.

As shown in fig. 2-3, the bearing table 4 is in threaded connection with the first screw rod 3, the bearing table 4 is in an L-shaped structure, the fixed grooves 5 are distributed on the bearing table 4 at equal intervals, the first screw rod 3 is driven to rotate by the motor 2, and then the first screw rod 3 is driven to horizontally move by the threaded transmission between the first screw rod 3 and the bearing table 4; the pawl 9 is hinged with the fixed plate 8, one end of the pawl 9, which is close to the ratchet wheel 7, is made of rubber, the pawl 9 is distributed on the fixed plate 8 at equal intervals, when the bearing table 4 moves into the furnace body 1, the ratchet wheel 7 can drive the pawl 9 to rotate, so that the pawl can smoothly enter, the entering length of the bearing table 4 is adjusted according to the placement range of the die casting, and when the bearing table 4 moves out of the furnace body 1, the bearing table 4 can be driven to vibrate through the limit of the pawl 9 on the ratchet wheel 7, and the separation of the die casting and the bearing table 4 can be accelerated;

as shown in fig. 1-2 and fig. 4-5, the side surface of the sealing door 11 is tightly attached to the end part of the furnace body 1 and slides, the bottom of the sealing door 11 is clamped with the fixed groove 5, the side surface of the sealing door 11 is fixedly connected with one end of the connecting rope 14, and the sealing door 11 can be driven to descend and be clamped with the fixed groove 5 at the corresponding position through the screw thread transmission between the second screw rod 10 and the sealing door 11; the other end of the connecting rope 14 is connected with a piston plate 15, a fixed cylinder 16 is sleeved outside the piston plate 15, the fixed cylinder 16 is fixed on the side surface of the furnace body 1, and a spring for recovering the piston plate 15 is fixed on the upper end surface of the piston plate; the hose 17 is fixed on the lower side of the fixed cylinder 16, the fixed cylinder 16 is mutually communicated with the air conveying channel 12 through the hose 17, the air outlets 13 are distributed at equal intervals below the air conveying channel 12, when the sealing door 11 descends, the piston plate 15 is pulled to slide downwards in the fixed cylinder 16 through the connecting rope 14, after the piston plate 15 slides downwards, air in the fixed cylinder 16 can be extruded into the air conveying channel 12 through the hose 17, and finally can be discharged from the air outlets 13, so that when the sealing door 11 descends, the fixed groove 5 can be cleaned through discharged air, and the sealing performance of the clamping of the sealing door 11 and the bearing table 4 is guaranteed.

Working principle: as shown in fig. 1-5, an alloy die casting to be processed is placed on a bearing table 4, the bearing table 4 is driven to enter the furnace body 1 for processing through screw transmission between a first screw rod 3 and the bearing table 4, then the alloy die casting is driven to descend through screw transmission between a second screw rod 10 and a sealing door 11, and blown out gas is blown into a fixed groove 5 for cleaning, so that tightness between the sealing door 11 and the bearing table 4 is ensured, the subsequent heat treatment is facilitated, the bearing table 4 is moved to the outside of the furnace body 1 after the processing is finished, and separation of the die casting and the bearing table 4 can be accelerated through a vibration mode.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The heat treatment furnace is provided with a furnace body (1), a motor (2) is arranged on the side surface of the furnace body (1) through bolts, and a first screw rod (3) is connected with an output shaft of the motor (2);

characterized by comprising the following steps:

the bearing table (4) is movably arranged in the furnace body (1), a fixed groove (5) is formed in the upper end face of the bearing table (4), a moving wheel (6) is arranged at the bottom of the bearing table (4), a ratchet wheel (7) is arranged at the edge of the bearing table (4), a fixed plate (8) is fixed in the furnace body (1) above the ratchet wheel (7), and a pawl (9) is movably arranged on the lower end face of the fixed plate (8);

the second screw rod (10) is fixed on the output shaft of the other motor (2), a sealing door (11) is sleeved on the outer side thread of the second screw rod (10), a gas transmission channel (12) is formed in the lower edge of the sealing door (11), and a gas outlet hole (13) is formed in the bottom of the sealing door (11).

2. A heat treatment furnace according to claim 1, wherein: the bearing table (4) is in threaded connection with the first screw rod (3), the bearing table (4) is of an L-shaped structure, and the fixing grooves (5) are distributed on the bearing table (4) at equal intervals.

3. A heat treatment furnace according to claim 1, wherein: the pawl (9) is hinged with the fixing plate (8), one end, close to the ratchet wheel (7), of the pawl (9) is made of rubber, and the pawl (9) is distributed on the fixing plate (8) at equal intervals.

4. A heat treatment furnace according to claim 1, wherein: the side face of the sealing door (11) is tightly attached to the end part of the furnace body (1) to slide, the bottom of the sealing door (11) is clamped with the fixing groove (5), and the side face of the sealing door (11) is fixedly connected with one end of the connecting rope (14).

5. A heat treatment furnace according to claim 4, wherein: the other end of the connecting rope (14) is connected with a piston plate (15), a fixed cylinder (16) is sleeved on the outer side of the piston plate (15), the fixed cylinder (16) is fixed on the side face of the furnace body (1), and a spring for recovering the piston plate (15) is fixed on the upper end face of the piston plate.

6. A heat treatment furnace according to claim 5, wherein: the lower side of the fixed cylinder (16) is fixed with a hose (17), the fixed cylinder (16) is mutually communicated with the air conveying channel (12) through the hose (17), and the air outlets (13) are distributed at equal intervals below the air conveying channel (12).