CN219385248U

CN219385248U - Side sealing mechanism of heat treatment furnace

Info

Publication number: CN219385248U
Application number: CN202320391563.2U
Authority: CN
Inventors: 赵伟; 郝平勇; 付金明; 宋红泽; 徐克峰
Original assignee: Hebei Yatian Automation Equipment Co ltd
Current assignee: Hebei Yatian Automation Equipment Co ltd
Priority date: 2023-03-06
Filing date: 2023-03-06
Publication date: 2023-07-21
Anticipated expiration: 2033-03-06

Abstract

The utility model relates to a side sealing mechanism of a heat treatment furnace, which comprises a furnace body, wherein a driving bin is fixed on the front surface of the furnace body and close to the bottom, a lifting assembly is arranged on the driving bin, a door body is arranged at the top of the lifting assembly, two L-shaped plates respectively positioned at the left side and the right side of the door body are fixed on the front surface of the furnace body, and a sealing assembly for sealing the joint of the door body and the furnace body is arranged on the front surface of the furnace body. This side seal mechanism of heat treatment furnace, when using, carry out heat treatment through the furnace body to the metalwork, when the metal part is taken out to the door body that needs to open, the accessible lifting unit is automatic to drive the door body and is moved upward, and then makes one side of furnace body business turn over material be the opening form, be convenient for take out the metalwork, when closing, also accessible lifting unit is automatic goes on, when the door body is closed, can drive seal assembly and seal one side of furnace body business turn over material, reduces the loss that looses of steam between furnace body business turn over material side and the door body, and then guarantees heat treatment's going on, and is more practical.

Description

Side sealing mechanism of heat treatment furnace

Technical Field

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

Background

The heat treatment furnace is a general term for industrial furnaces for heat treatment of various metals for metal workpieces, and is an electric furnace or a fuel furnace for heat treatment and heating of a charge, and among conventional heat treatment furnaces, there are a box-type resistance furnace, a well-type resistance furnace, a gas carburizing furnace, a salt bath furnace, and the like.

At present, a heat treatment furnace is often used in the metal workpiece processing process, however, most furnace doors of the heat treatment furnace in the prior art are often required to be manually opened, the operation is time-consuming and labor-consuming, and the situation of scalding is easy to occur, so that workers are easy to hurt, and certain inconvenience is brought about in use, for example, chinese patent (bulletin number: CN 215063725U) discloses a heat-resistant sealing structure of the heat treatment furnace, and the problem is also brought forward in the prior art, so that a side sealing mechanism of the heat treatment furnace is provided to solve the problem.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a side sealing mechanism of a heat treatment furnace, which has the advantages of convenient operation, better practicability and the like, and solves the problems that most furnace doors of the heat treatment furnace in the prior art are often required to be opened manually, the operation is time-consuming and labor-consuming, and scalding is easy to occur, so that workers are easy to be injured.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a side seal mechanism of heat treatment furnace, includes the furnace body, the front of furnace body just is close to bottom department and is fixed with the drive storehouse, be equipped with lifting unit on the drive storehouse, lifting unit's top is equipped with the door body, the front of furnace body is fixed with two L template that are located the door body left and right sides respectively, the front of furnace body is equipped with the seal assembly who is used for sealing door body and furnace body junction.

The lifting assembly comprises a double-shaft motor fixed on the inner bottom wall of the driving bin, rotary shafts are fixed on output shafts on the left side and the right side of the double-shaft motor, two threaded cylinders which are distributed left and right and are respectively positioned on the left side and the right side of the double-shaft motor are rotationally connected on the inner bottom wall of the driving bin, the top ends of the threaded cylinders vertically penetrate through the top surface of the driving bin and extend to the top of the driving bin, the two threaded cylinders are rotationally connected with the driving bin, main bevel gears are fixed at one ends of the rotary shafts opposite to each other, auxiliary bevel gears meshed with the main bevel gears are fixed on the peripheral wall of the threaded cylinders, screws are connected with the two threaded cylinders in a threaded mode, top plates are fixed on the top ends of the screws, and the top surfaces of the door bodies are fixed with the bottom surfaces of the top plates.

Further, the front of the furnace body is provided with a furnace chamber, the front of the door body is fixedly provided with a glass observation window, and the door body is positioned right in front of the furnace chamber when the screw rod is retracted into the threaded cylinder.

Further, two guide holes for the threaded cylinder to vertically penetrate and rotationally connect with are formed in the top surface of the driving bin, two support plates which are respectively rotationally connected with two rotating shafts are fixed between the upper inner wall and the lower inner wall of the driving bin, and the rotating shafts horizontally penetrate the support plates.

Further, the back of the door body is fixed with an annular sealing gasket, a heat preservation cavity is formed in the furnace body and the door body, and heat preservation cotton is filled in the heat preservation cavity.

Further, seal assembly is including seting up the positive T type groove that is close to bottom department at the furnace body, sliding connection has first piston board in the T type groove, the front of first piston board is fixed with the ejector pad that the front end runs through T type groove and extends to the furnace body front side, the ring channel has been seted up in the front of furnace body, sliding connection has the second piston board in the ring channel, the front of second piston board is fixed with the closing plate, set up in the furnace body with T type groove top and be close to the air tank that does not have face department and ring channel back intercommunication, the back of first piston board is fixed with the spring.

Further, the first piston plate is in clearance fit with the T-shaped groove, the second piston plate is in clearance fit with the annular groove, and sealing gaskets are fixed on the outer peripheral wall of the first piston plate and the outer peripheral wall of the second piston plate.

Further, the sealing plate is annular, the side section view of the annular groove is T-shaped, the push block is a trapezoid block, the inclined surface of the push block faces the door body, and the top surface area of the push block is smaller than the bottom surface area.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this side seal mechanism of heat treatment furnace, when using, carry out heat treatment through the furnace body to the metalwork, when the metal part is taken out to the door body that needs to open, the accessible lifting unit is automatic to drive the door body and is moved upward, and then makes one side of furnace body business turn over material be the opening form, be convenient for take out the metalwork, when closing, also accessible lifting unit is automatic goes on, when the door body is closed, can drive seal assembly and seal one side of furnace body business turn over material, reduces the loss that looses of steam between furnace body business turn over material side and the door body, and then guarantees heat treatment's going on, and is more practical.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic front view of a lift assembly of the present utility model;

FIG. 3 is a schematic front view of a seal plate of the present utility model;

fig. 4 is a schematic side view of the seal assembly of the present utility model.

In the figure: 1 furnace body, 2 driving bin, 3 lifting component, 301 double-shaft motor, 302 rotating shaft, 303 screw tube, 304 main cone gear, 305 auxiliary cone gear, 306 screw rod, 307 top plate, 4 door body, 5L-shaped plate, 6 sealing component, 601T-shaped groove, 602 first piston plate, 603 push block, 604 annular groove, 605 second piston plate, 606 sealing plate, 607 air groove, 608 spring.

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. 1-2, a side sealing mechanism of a heat treatment furnace in this embodiment includes a furnace body 1, the front side of the furnace body 1 is fixed with a driving bin 2 near the bottom, a lifting component 3 is disposed on the driving bin 2, a door body 4 is disposed at the top of the lifting component 3, when the heat treatment is performed on a metal piece through the furnace body 1, when the door body 4 needs to be opened to take out the metal piece, the door body 4 is automatically driven to move upwards by the lifting component 3, so that one side of the furnace body 1 is opened, the metal piece is conveniently taken out, when the heat treatment furnace is closed, the lifting component 3 is automatically driven by electric power, so that the door body 4 does not need to be contacted, scalding accidents are avoided, two L-shaped plates 5 which are disposed on the left side and the right side of the door body 4 are fixed on the front side of the furnace body 1, a sealing component 6 for sealing the joint of the door body 4 and the furnace body 1 is disposed on the front side of the furnace body 1, when the door body 4 is closed, the door body 4 is driven to seal one side of the door body 1, heat loss between the door body 4 and the door body 4 is reduced, and further heat loss is ensured.

The lifting assembly 3 comprises a double-shaft motor 301 fixed on the inner bottom wall of the driving bin 2, rotary shafts 302 are fixed on output shafts on the left side and the right side of the double-shaft motor 301, two threaded cylinders 303 which are distributed left and right and are respectively positioned on the left side and the right side of the double-shaft motor 301 are connected on the inner bottom wall of the driving bin 2 in a rotating mode, the top ends of the threaded cylinders 303 vertically penetrate through the top surface of the driving bin 2 and extend to the top of the driving bin 2, the two threaded cylinders 303 are connected with the driving bin 2 in a rotating mode, main conical teeth 304 are fixed at opposite ends of the two rotary shafts 302, secondary conical teeth 305 meshed with the main conical teeth 304 are fixed on the peripheral wall of the threaded cylinders 303, when a door body 4 needs to be opened and closed, the double-shaft motor 301 is driven, the rotary shafts 302 drive the main conical teeth 304 to rotate, the main conical teeth 304 drive the threaded cylinders 303 to rotate, threaded rods 306 are connected in threads in the two threaded cylinders 303, top plates 307 are fixed at the top ends of the two threaded cylinders 306, the top plates 307 are fixed with the bottom surfaces of the top plates 307, the top plates 307 are driven by the threaded cylinders 306 to move up and down, and then the door body 4 is driven by the top plates 307 to move up and down, and the door body 4 is opened and closed by the top plates 4.

Wherein, the furnace chamber has been seted up in the front of furnace body 1, and the front of door body 4 is fixed with glass observation window, and door body 4 is located the furnace chamber in the place ahead when screw rod 306 is received screw thread section of thick bamboo 303 inside, and two guiding holes that are used for supplying screw thread section of thick bamboo 303 to run through perpendicularly and rotate with it to be connected are seted up to the top surface of drive storehouse 2, are fixed with two extension boards that are connected with two pivot 302 rotations respectively between the inner wall about drive storehouse 2, and pivot 302 horizontal run through the extension board.

In addition, the back of the door body 4 is fixed with an annular sealing gasket, the inside of the furnace body 1 and the inside of the door body 4 are provided with heat preservation cavities, and heat preservation cotton is filled in the heat preservation cavities.

Referring to fig. 3-4, in this embodiment, the sealing assembly 6 includes a T-shaped groove 601 formed on the front side of the furnace body 1 and near the bottom, a first piston plate 602 is slidably connected in the T-shaped groove 601, a pushing block 603 with a front end penetrating the T-shaped groove 601 and extending to the front side of the furnace body 1 is fixed on the front side of the first piston plate 602, an annular groove 604 is formed on the front side of the furnace body 1, a gas groove 607 communicating the top of the T-shaped groove 601 and near the non-planar side with the back side of the annular groove 604 is formed in the furnace body 1, when the door body 4 moves down to be closed, the gas is firstly abutted against the pushing block 603, and then the pushing block 603 moves backward to press the first piston plate 602, the first piston plate 602 extrudes gas inside the T-shaped groove 601 into the annular groove 604 through the gas groove 607, so that the gas pressure inside the annular groove 604 rises, a second piston plate 605 is slidably connected in the annular groove 604, the front side of the second piston plate 605 is fixed with a sealing plate 606, the second piston plate 605 is further pushed forward by the gas pressure, the second piston plate 605 pushes 606 forward, and the back side of the door body 4 abuts against the back side of the annular groove 604, and presses the back side of the door body 4 against the annular groove 604, and then the sealing plate 608 is pushed by the sealing plate 4 is pushed, and the back side of the door 4 is convenient to open, and the door 4 is sealed by a return spring is further pushed.

Wherein, first piston plate 602 and T type groove 601 clearance fit, second piston plate 605 and ring channel 604 clearance fit, all are fixed with the sealing washer on the periphery wall of first piston plate 602 and the periphery wall of second piston plate 605.

Meanwhile, the sealing plate 606 is annular, the side cross section of the annular groove 604 is of a T shape, the push block 603 is a trapezoid block, the inclined surface of the push block 603 faces the door body 4, the top surface area of the push block 603 is smaller than the bottom surface area, and when the door body 4 moves downwards due to the structure, the push block 603 is abutted with the inclined surface of the push block 603, and then the push block 603 is pushed to move backwards through the inclined surface.

The working principle of the embodiment is as follows:

when the door body 4 needs to be opened and closed, the double-shaft motor 301 is driven, the double-shaft motor 301 drives the rotating shaft 302 to rotate, the rotating shaft 302 drives the main conical tooth 304 to rotate, the main conical tooth 304 drives the threaded cylinder 303 to rotate through the auxiliary conical tooth 305, the threaded cylinder 303 drives the screw 306 to move up and down, the screw 306 drives the top plate 307 to move up and down, and then the top plate 307 drives the door body 4 to move up and down to open and close the door body 4.

When the door body 4 moves downwards to be closed, the door body is firstly abutted with the push block 603, then the push block 603 is extruded to move backwards to extrude the first piston plate 602, the first piston plate 602 extrudes gas in the T-shaped groove 601 into the annular groove 604 through the gas groove 607, so that the gas pressure in the annular groove 604 is increased, the second piston plate 605 is further pushed to move forwards, and the second piston plate 605 pushes the sealing plate 606 to move forwards to be abutted against and extruded with the back surface of the door body 4, so that sealing is realized.

The control mode of the utility model is controlled by the controller, the control circuit of the controller can be realized by simple programming by a person skilled in the art, the supply of power also belongs to common knowledge in the art, and the utility model is mainly used for protecting the mechanical device, so the utility model does not explain the control mode and circuit connection in detail.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Side seal mechanism of heat treatment furnace, including furnace body (1), its characterized in that: the device is characterized in that a driving bin (2) is fixed on the front side of the furnace body (1) and close to the bottom, a lifting assembly (3) is arranged on the driving bin (2), a door body (4) is arranged at the top of the lifting assembly (3), two L-shaped plates (5) which are respectively positioned on the left side and the right side of the door body (4) are fixed on the front side of the furnace body (1), and a sealing assembly (6) used for sealing the joint of the door body (4) and the furnace body (1) is arranged on the front side of the furnace body (1);

lifting unit (3) are including fixing biax motor (301) on the inner bottom wall of drive storehouse (2), all be fixed with pivot (302) on the output shaft of biax motor (301) left and right sides, rotate on the inner bottom wall of drive storehouse (2) and be connected with two and be left and right sides distribution and be located biax motor (301) left and right sides screw mandrel (303) respectively, the top of screw mandrel (303) runs through the top surface of drive storehouse (2) perpendicularly and extends to its top, and rotates with drive storehouse (2) to be connected, two pivot (302) all are fixed with main cone tooth (304) in the one end that is on the back of the body, be fixed with on the outer peripheral wall of screw mandrel (303) with main cone tooth (304) meshing follow cone tooth (305), two equal threaded connection has screw rod (306) in screw rod (306) top is fixed with roof (307), the top surface of door body (4) is fixed with the bottom surface of roof (307) mutually.

2. The side seal mechanism of a heat treatment furnace according to claim 1, wherein: the front of the furnace body (1) is provided with a furnace chamber, the front of the door body (4) is fixedly provided with a glass observation window, and the door body (4) is positioned right in front of the furnace chamber when the screw rod (306) is retracted into the threaded cylinder (303).

3. The side seal mechanism of a heat treatment furnace according to claim 1, wherein: two guide holes for the threaded cylinder (303) to vertically penetrate and rotationally connect with are formed in the top surface of the driving bin (2), two support plates which are rotationally connected with two rotating shafts (302) respectively are fixed between the upper inner wall and the lower inner wall of the driving bin (2), and the rotating shafts (302) horizontally penetrate through the support plates.

4. The side seal mechanism of a heat treatment furnace according to claim 1, wherein: the back of the door body (4) is fixed with an annular sealing gasket, heat preservation cavities are formed in the furnace body (1) and the door body (4), and heat preservation cotton is filled in the heat preservation cavities.

5. The side seal mechanism of a heat treatment furnace according to claim 1, wherein: seal assembly (6) are including seting up in furnace body (1) openly and be close to T type groove (601) of bottom department, sliding connection has first piston board (602) in T type groove (601), the front of first piston board (602) is fixed with push block (603) that the front end runs through T type groove (601) and extends to furnace body (1) front side, ring channel (604) have been seted up in the front of furnace body (1), sliding connection has second piston board (605) in ring channel (604), the front of second piston board (605) is fixed with closing plate (606), gas tank (607) with T type groove (601) top and be close to face department and ring channel (604) back intercommunication have been seted up in furnace body (1), the back of first piston board (602) is fixed with spring (608).

6. The side seal mechanism of a heat treatment furnace according to claim 5, wherein: the first piston plate (602) is in clearance fit with the T-shaped groove (601), the second piston plate (605) is in clearance fit with the annular groove (604), and sealing gaskets are fixed on the outer peripheral wall of the first piston plate (602) and the outer peripheral wall of the second piston plate (605).

7. The side seal mechanism of a heat treatment furnace according to claim 5, wherein: the sealing plate (606) is annular, a side cross-sectional view of the annular groove (604) is T-shaped, the push block (603) is a trapezoid block, the inclined surface of the trapezoid block faces the door body (4), and the top surface area of the push block (603) is smaller than the bottom surface area.