CN219607710U

CN219607710U - Self-compaction inclined furnace door assembly

Info

Publication number: CN219607710U
Application number: CN202320373756.5U
Authority: CN
Inventors: 钟帆; 谷松涛; 周贤炎; 董恒峰; 杨世虎; 杨东晓
Original assignee: Xinjiang Zhonghe Metallurgical Technology Co ltd
Current assignee: Xinjiang Zhonghe Metallurgical Technology Co ltd
Priority date: 2023-03-03
Filing date: 2023-03-03
Publication date: 2023-08-29
Anticipated expiration: 2033-03-03

Abstract

The utility model relates to a self-compaction inclined furnace door assembly, wherein a furnace door frame with an inclined surface on the outer side is arranged at a feed inlet of a furnace body, a sealing layer is arranged on the inclined surface on the outer side of the furnace door frame, furnace door guide wheels are arranged on two sides of the feed inlet of the furnace body, furnace door guide wheels are respectively arranged on two sides of the furnace door and vertically slide along the furnace door guide rails on the corresponding sides, a furnace door inclined surface is arranged on one side of the furnace door, which is close to the furnace body, and is matched with the inclined surface on the outer side of the furnace door frame, a gear motor is arranged on the upper side of the furnace body, chain wheel chain assemblies are arranged on two sides of the feed inlet of the furnace body, chains in the chain wheel chain assemblies are fixedly connected with the corresponding sides of the furnace door, the chains are driven to move through the gear motor, when the furnace door is opened, the chains are reversely moved when the furnace door is closed, the furnace door descends under the action of self gravity, and the furnace door still receives downward pulling force exerted by the chains. The utility model solves the problem of tightness of the upper and lower opening and closing type furnace door, and effectively ensures the atmosphere environment of the furnace temperature and the furnace pressure of the hearth.

Description

Self-compaction inclined furnace door assembly

Technical Field

The utility model relates to the field of industrial furnaces, in particular to a self-compaction inclined furnace door assembly.

Background

In the field of heating industrial furnaces, most of the earliest furnace doors are in an up-and-down opening and closing mode, when the furnace door is opened, the furnace door ascends along an inclined furnace mouth guide plate, and when the furnace door is closed, the furnace door descends to seal the furnace mouth under the action of self gravity, but practice proves that the furnace door with the structure has poor sealing performance and is not beneficial to atmosphere environment control of furnace temperature and furnace pressure. In recent years, a furnace door lifting mechanism for lifting a furnace door along a vertical furnace mouth guide plate and provided with a special pressing device is adopted, but the furnace door mechanism is usually provided with an air cylinder or an oil cylinder, so that a hydraulic station or a compressed air source is additionally arranged, the use condition of the furnace door is limited, the cost of a hydraulic or pneumatic system is increased, when the pressure of the air cylinder or the air cylinder is insufficient or faults (such as failure of the air cylinder, etc.), the furnace door can move outwards, the piston movement direction of the air cylinder or the air cylinder of the furnace door pressing mechanism is required to deflect from the movement direction of the furnace door, otherwise, safety accidents can occur, the structure is required to ensure that the air cylinder or the air cylinder has enough pressure and flexible and reliable action, otherwise, the furnace door cannot be pressed in place or is pressed, the dead weight of the furnace door directly influences the working state of the pressing mechanism, and the furnace door is easy to be blocked and cannot be opened once the furnace door is rocked. In addition, in the electric heating industrial furnace, the use situations of the air cylinder and the hydraulic cylinder are few, and the hydraulic system or the pneumatic system is independently matched with the furnace door pressing device, so that the problem of high cost exists.

Disclosure of Invention

The utility model aims to provide a self-compaction inclined furnace door assembly, which solves the problem of sealing performance of a vertical opening and closing furnace door and effectively ensures the furnace temperature of a hearth and the atmosphere environment of furnace pressure.

The aim of the utility model is realized by the following technical scheme:

the utility model provides a from compressing tightly oblique furnace gate subassembly, includes furnace gate and furnace body, wherein the pan feeding mouth of furnace body is equipped with the furnace door frame that the outside is the inclined plane, and be equipped with the sealing layer on the furnace door frame outside inclined plane, the pan feeding mouth both sides of furnace body all are equipped with the furnace gate guide rail, the furnace gate both sides all are equipped with the furnace gate leading wheel, just the furnace gate guide wheel slides along the furnace gate guide rail vertical lift of corresponding side respectively, furnace gate is close to furnace body one side be equipped with the furnace gate inclined plane with the outside inclined plane cooperation of furnace door frame, the furnace body upside is equipped with gear motor, the furnace body pan feeding mouth both sides all are equipped with sprocket chain subassembly, and be equipped with on the chain in the sprocket chain subassembly connect the buckle with the corresponding side of furnace gate links firmly, the chain passes through gear motor drive removes, wherein passes through the chain drive when opening rises, the furnace gate is reverse removal, the furnace gate descends through self gravity effect to the bottom, and still receive the downward tension that the chain was applyed after the furnace gate descends.

The chain wheel and chain assembly comprises a driving chain wheel, a first driving chain wheel, a second driving chain wheel and a third driving chain wheel, wherein a mounting plate is arranged on the upper portion of the furnace door guide rail, the driving chain wheel, the first driving chain wheel and the third driving chain wheel are all arranged on the mounting plate, the second driving chain wheel is arranged at the lower end of the furnace door guide rail, and the chain sequentially bypasses the driving chain wheel, the first driving chain wheel, the second driving chain wheel and the third driving chain wheel to form a closed loop.

The two sides of the chain are respectively and vertically turned through a first driving sprocket and a third driving sprocket.

The gear motor is of a double-output-shaft structure, output shafts on two sides of the gear motor are connected with transmission shafts on corresponding sides through couplings respectively, one end, away from the gear motor, of each transmission shaft is rotatably installed on a mounting plate on the corresponding side, and the driving sprocket is sleeved on the transmission shaft on the corresponding side.

One end of the transmission shaft, which is far away from the gear motor, is arranged in a bearing seat, and the bearing seat is arranged on a mounting plate on the corresponding side.

The gear motor is arranged on a motor mounting seat, and a heat insulation plate is arranged on one side, close to the furnace door, of the motor mounting seat.

Two support plates are arranged on the outer sides of the furnace door guide rails, and limit switches are arranged on the support plates.

The utility model has the advantages and positive effects that:

1. the furnace door is driven to rise by the chain when being opened, the furnace door is lowered by the self gravity when being closed, and the furnace door is still subjected to downward pulling force exerted by the chain after being lowered to the bottom, so that the furnace door inclined plane is tightly wedged with the furnace door frame outside inclined plane, on one hand, the pressure between the furnace door inclined plane and the sealing layer on the furnace door frame outside inclined plane can be increased to ensure sealing, and on the other hand, the furnace door is prevented from shaking, so that the problem of sealing performance of the upper and lower opening and closing furnace door is solved, the furnace temperature and the furnace pressure atmosphere environment of a furnace chamber are effectively ensured, and meanwhile, the furnace door is free from shaking in the pressing process, and can not be blocked or can not be opened.

2. The utility model utilizes the gear motor and the limit switch to cooperatively control the height of the furnace door, and the gear motor is of a double-output shaft structure, and drives the driving chain wheels in the corresponding side chain wheel chain components to rotate through the transmission shafts on two sides, so that the mechanical structure is compact, the synchronous rotation of the driving chain wheels on two sides is ensured, and the stable lifting of the furnace door is ensured.

3. The chain wheel and chain assembly ensures that the chain turns vertically through the first driving chain wheel and the third driving chain wheel, so that the chain can drive the furnace door to vertically lift along the furnace door guide rail, and each chain wheel is of a fixed structure, so that the problems that the chain of the traditional structure is easy to break or block and the like are avoided.

4. The utility model has simple maintenance, wherein the sealing layer on the inclined plane of the outer side of the furnace door frame adopts the asbestos sealing rope, besides the conventional mechanical maintenance, only the furnace door frame asbestos sealing rope needs to be replaced regularly, and in addition, the utility model adopts the driving of a speed reducing motor, thereby being particularly suitable for the electric heating industrial furnace.

Drawings

Figure 1 is a schematic view of the structure of the present utility model,

figure 2 is a schematic diagram of the structure of the transmission part of the utility model,

fig. 3 is a top view of the present utility model.

Wherein, 1 is the heat insulating board, 2 is gear motor, 3 is the shaft coupling, 4 is the transmission shaft, 5 is the furnace gate guide rail, 601 is driving sprocket, 602 is third driving sprocket, 603 is first driving sprocket, 604 is the second driving sprocket, 7 is limit switch, 8 is the extension board, 9 is the furnace gate, 901 is the furnace gate leading wheel, 902 is the furnace gate inclined plane, 10 is the mounting panel, 11 is the chain, 12 is the sealing layer, 13 is the connection buckle, 14 is the furnace body, 15 is the furnace door frame.

Detailed Description

The utility model is described in further detail below with reference to the accompanying drawings.

As shown in fig. 1 to 3, the utility model comprises a furnace door 9 and a furnace body 14, wherein, as shown in fig. 2, a furnace door frame 15 with an inclined surface at the outer side is arranged at a feed inlet of the furnace body 14, a sealing layer 12 is arranged on the inclined surface at the outer side of the furnace door frame 15, in this embodiment, the sealing layer 12 adopts asbestos sealing ropes, furnace door guide rails 5 are arranged at two sides of the feed inlet of the furnace body 14, furnace door guide wheels 901 are arranged at two sides of the furnace door 9, the furnace door guide wheels 901 vertically lift and slide along the furnace door guide rails 5 at the corresponding sides respectively, a furnace door inclined surface 902 is arranged at one side of the furnace door 9 close to the furnace body 14 and is matched with the inclined surface at the outer side of the furnace door frame 15, a speed reducing motor 2 is arranged at the upper side of the furnace body 14, chain wheel chain components are arranged at two sides of the feed inlet of the furnace body 14, a chain 11 in the chain wheel chain components is fixedly connected with the corresponding side of the furnace door 9, the chain 11 is driven to move by the speed reducing motor 2, when the furnace door 9 is opened, the furnace door 9 is driven to rise by the chain 11, and when the furnace door 9 is closed, the furnace door guide wheels 11 moves up by the driving the chain 11, the chain 11 is respectively, the furnace door guide wheels 902 vertically and the furnace door guide wheels are respectively, the furnace door guide wheels are moved down, the furnace door guide wheels 9 is closed, the chain frame 15 is also by the chain 11 and the chain is closed, and the sealing side is closed by the chain 15, and the side of the furnace door 15, and the side is also closely and the side of the furnace door 9 is closed, and the side of the sealing side and the sealing side is and the sealing door 15.

As shown in fig. 2, in this embodiment, the sprocket chain assembly includes a driving sprocket 601, a first driving sprocket 603, a second driving sprocket 604 and a third driving sprocket 602, where an installation plate 10 is disposed on an upper portion of the oven door rail 5, and the driving sprocket 601, the first driving sprocket 603 and the third driving sprocket 602 are all disposed on the installation plate 10, the second driving sprocket 604 is disposed at a lower end of the oven door rail 5, and the chain 11 sequentially bypasses the driving sprocket 601, the first driving sprocket 603, the second driving sprocket 604 and the third driving sprocket 602 to form a closed loop, the driving sprocket 601 drives rotation by the reducing motor 2, and the first driving sprocket 603 and the third driving sprocket 602 ensure that the chain 11 turns vertically, so as to ensure that the chain 11 can drive the oven door 9 to vertically lift along the oven door rail 5.

As shown in fig. 1 and 3, in this embodiment, the gear motor 2 has a dual-output shaft structure, and output shafts on two sides of the gear motor 2 are respectively connected with a corresponding side transmission shaft 4 through a coupling 3, one end of the transmission shaft 4 away from the gear motor 2 is rotatably mounted on a corresponding side mounting plate 10, a driving sprocket 601 is sleeved on the corresponding side transmission shaft 4, and the gear motor 2 drives the driving sprockets 601 on two sides to synchronously rotate through the two sides of the transmission shaft 4 to realize lifting of the oven door 9. In this embodiment, one end of the transmission shaft 4 away from the gear motor 2 is mounted in a bearing seat, and the bearing seat is disposed on the mounting plate 10 on the corresponding side.

As shown in fig. 1-2, the gear motor 2 is arranged on a motor mounting seat, and a heat insulation board 1 is arranged on one side of the motor mounting seat, which is close to the oven door 9, and the motor mounting seat and the heat insulation board 1 thereon are made of heat insulation materials so as to separate a radiation heat source on the oven door 9 from the gear motor 2, thereby playing a role in protecting the gear motor 2.

As shown in fig. 1, two support plates 8 are arranged on the outer side of the oven door guide rail 5, and limit switches 7 are arranged on the support plates 8 for limiting the lifting height of the oven door 9, wherein the limit switches 7 are well known in the art and are commercially available products.

In this embodiment, the inclination angle of the furnace door inclined plane 902 of the furnace door 9 and the inclination angle of the outer inclined plane of the furnace door frame 15 are 1-5 °, and the specific angle can be designed according to actual needs.

In this embodiment, the number of the furnace door guide wheels 901 on two sides of the furnace door 9 is greater than or equal to 4, and the number of the furnace door guide wheels 901 can be designed according to the actual height requirement of the furnace door 9.

In this embodiment, the outside of each sprocket may be provided with a sprocket shield as needed to protect.

The working principle of the utility model is as follows:

when the oven door 9 is opened, the gear motor 2 drives the driving chain wheels 601 on two sides to rotate through the transmission shafts 4 on two sides, so that the chains 11 on two sides are driven to move and drive the oven door 9 to vertically ascend along the oven door guide rail 5, when the oven door 9 is closed, the gear motor 2 reversely rotates to drive the chains 11 to reversely move, the oven door 9 descends under the action of self gravity to realize closing, and the oven door 9 is still subjected to downward pulling force exerted by the chains 11 after descending to ensure that the oven door inclined surface 902 is tightly wedged with the inclined surface on the outer side of the oven door frame 15, so that the pressure between the oven door inclined surface 902 and the sealing layer 12 on the inclined surface on the outer side of the oven door frame 15 can be increased to ensure sealing, and the oven door 9 is prevented from shaking.

Claims

1. The utility model provides a from compressing tightly oblique furnace gate subassembly which characterized in that: comprises a furnace door (9) and a furnace body (14), wherein a furnace door frame (15) with an inclined surface is arranged at the outer side of a feed inlet of the furnace body (14), and a sealing layer (12) is arranged on the outer inclined surface of the furnace door frame (15), furnace door guide rails (5) are arranged on two sides of a feed inlet of the furnace body (14), furnace door guide wheels (901) are arranged on two sides of the furnace door (9), and the furnace door guide wheels (901) vertically lift and slide along the furnace door guide rails (5) at the corresponding sides respectively, one side of the furnace door (9) close to the furnace body (14) is provided with a furnace door inclined plane (902) which is matched with the outer inclined plane of the furnace door frame (15), a gear motor (2) is arranged on the upper side of the furnace body (14), chain wheel and chain components are arranged on two sides of a feed inlet of the furnace body (14), and a connecting buckle plate (13) is arranged on a chain (11) in the chain wheel and chain assembly and fixedly connected with the corresponding side edge of the furnace door (9), the chain (11) is driven to move through the gear motor (2), wherein the furnace door (9) is driven to rise through the chain (11) when being opened, the chain (11) moves reversely when the furnace door (9) is closed, the furnace door (9) descends under the action of self gravity, and the furnace door (9) is still subjected to downward pulling force exerted by the chain (11) after being lowered to the bottom.

2. The self-compacting oblique oven door assembly of claim 1, wherein: sprocket chain subassembly includes drive sprocket (601), first drive sprocket (603), second drive sprocket (604) and third drive sprocket (602), wherein furnace gate guide rail (5) upper portion is equipped with mounting panel (10), just drive sprocket (601), first drive sprocket (603) and third drive sprocket (602) all locate on mounting panel (10), second drive sprocket (604) are located furnace gate guide rail (5) lower extreme, chain (11) are walked around in proper order behind drive sprocket (601), first drive sprocket (603), second drive sprocket (604) and third drive sprocket (602) form the closed loop.

3. The self-compacting oblique oven door assembly of claim 2, wherein: the two sides of the chain (11) are respectively vertically turned through a first driving chain wheel (603) and a third driving chain wheel (602).

4. The self-compacting oblique oven door assembly of claim 2, wherein: the gear motor (2) is of a double-output-shaft structure, output shafts on two sides of the gear motor (2) are connected with transmission shafts (4) on corresponding sides through couplings (3) respectively, one end, away from the gear motor (2), of each transmission shaft (4) is rotatably mounted on a mounting plate (10) on the corresponding side, and a driving sprocket (601) is sleeved on each transmission shaft (4) on the corresponding side.

5. The self-compacting oblique oven door assembly of claim 4, wherein: one end, far away from the gear motor (2), of the transmission shaft (4) is arranged in a bearing seat, and the bearing seat is arranged on a mounting plate (10) on the corresponding side.

6. The self-compacting oblique oven door assembly of claim 1, wherein: the speed reducing motor (2) is arranged on a motor mounting seat, and a heat insulating plate (1) is arranged on one side, close to the furnace door (9), of the motor mounting seat.

7. The self-compacting oblique oven door assembly of claim 1, wherein: two support plates (8) are arranged on the outer side of the furnace door guide rail (5), and limit switches (7) are arranged on the support plates (8).