CN213238449U

CN213238449U - Electric heating furnace door opening and closing device

Info

Publication number: CN213238449U
Application number: CN202021786687.3U
Authority: CN
Inventors: 孙治荣
Original assignee: Shaanxi Sanyuan Zhengtai Forging Co ltd
Current assignee: Shaanxi Sanyuan Zhengtai Forging Co ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-05-18
Anticipated expiration: 2030-08-24

Abstract

The utility model belongs to the technical field of the technique of heating furnace and specifically relates to an electric heating furnace gate device that opens and shuts is related to, including the door frame, the furnace gate, the door frame is installed on heating furnace both sides oven, the furnace gate slides from top to bottom along the door frame and sets up, still include drive arrangement and aggregate unit, drive arrangement and door frame fixed connection, aggregate unit rotates with the furnace gate to be connected, and aggregate unit and door frame sliding connection, aggregate unit includes a plurality of link assembly and a plurality of spacing subassembly, link assembly includes dead lever and dwang, dead lever one end and furnace gate fixed connection, the other end rotates with the dwang to be connected, the spout has been seted up towards furnace gate one side to the door frame, dwang one end is arranged in the spout and is connected with. The furnace door has the advantages that the friction between the furnace door and the furnace wall is avoided to a certain extent in the lifting process, and the sealing effect of the furnace door and the furnace wall is also increased.

Description

Electric heating furnace door opening and closing device

Technical Field

The application relates to the technical field of heating furnaces, in particular to an electric heating furnace door opening and closing device.

Background

Most of industrial furnace doors are in an upper opening and closing mode, and the furnace doors lift along a guide plate vertical to a furnace opening. The commonly used furnace door opening and closing devices are manual, electric and pneumatic. The furnace door opening and closing device is generally used on an industrial furnace for heating metal, the lifting power is determined according to the proper size and dimension of the furnace door, the temperature is high, the operation is frequent, and the furnace door lifting device is required to have high strength, rigidity and thermal creep deformation resistance.

At present, a furnace door opening and closing device mainly adopts a motor and a coupling transmission device for transmission, a rectangular door frame is arranged on a furnace wall, a door frame is arranged at the upper end of the door frame, driving wheels are arranged at two ends of the door frame, the driving wheels are connected with the motor and are respectively provided with a transmission wheel at two sides, a counterweight frame is arranged at the outer side of the door frame at two sides of a furnace door and is internally provided with a counterweight, two chains are connected to the upper edge of the furnace door, the chains pass through the driving wheels and the two transmission wheels, the other ends of the chains are connected to the top ends of the counterweights at two sides of the; the inner side of the door frame is provided with a track, pulleys are arranged on two sides of the furnace door and slide in the track, the tail end of the track is arranged to be inclined to the direction in the furnace, and the pulleys on two sides of the furnace door scratch the tail ends of the tracks on two sides of the furnace door in descending so that the furnace door is tightly pressed on the furnace wall of the furnace body.

However, the pulleys on the two sides of the furnace door scratch the tail ends of the rails on the two sides of the furnace door in the descending process, so that the lower end of the furnace door is tightly pressed on the end part of the furnace body, and the upper end of the furnace door cannot be fully tightly pressed on the end part of the furnace body.

In view of the above-mentioned related art, the inventor believes that there is a defect that the sealing between the oven door and the oven body is not tight.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the sealing between the furnace door and the furnace body is not tight, the application provides an electric heating furnace door opening and closing device.

The application provides an electric heating furnace gate device that opens and shuts adopts following technical scheme:

the utility model provides an electric heating furnace gate device that opens and shuts, includes door frame, furnace gate, the door frame is installed on the oven of heating furnace both sides, the furnace gate slides from top to bottom along the door frame and sets up, still includes drive arrangement and aggregate unit, drive arrangement and door frame fixed connection, aggregate unit rotates with the furnace gate to be connected, just aggregate unit and door frame sliding connection, aggregate unit includes a plurality of link assembly and a plurality of spacing subassembly, link assembly includes dead lever and dwang, dead lever one end is rotated with furnace gate fixed connection, the other end and dwang and is connected, the door frame has seted up the spout towards furnace gate one side, dwang one end is arranged in the spout and is connected with door frame sliding connection, the other end and drive arrangement, spacing subassembly is used for restricting the.

By adopting the technical scheme, the driving device drives the furnace door to rise and fall through the linkage device, when the furnace door is lifted, the fixed rod and the rotating rod are matched to enable the furnace door to move obliquely to the direction outside the furnace firstly, the rotating rod is limited by the limiting component after rotating for a certain angle, the furnace door is enabled to vertically rise next, when the furnace door falls, the rotating rod is limited by the limiting component, the furnace door vertically falls firstly, the furnace door falls to a certain distance when falling, the rotating rod reversely rotates, the fixed rod and the rotating rod are matched to enable the furnace door to move obliquely to the direction inside the furnace, the furnace door is enabled to tightly support the furnace wall around the electric heating furnace mouth, the friction between the furnace door and the furnace wall is avoided to a certain.

Preferably, the limiting component comprises a limiting plate, a limiting rod and a spring, the limiting plate is located below the rotating rod and is fixedly connected with the furnace door, one end of the limiting rod penetrates through the limiting plate to be rotatably connected with the rotating rod, the other end of the limiting rod is provided with a stop block, the stop block is fixedly connected with the limiting rod, the spring is sleeved on the limiting rod, and one end of the spring is abutted against the tight limiting plate and the other end of the spring is abutted against the tight stop block.

Through adopting above-mentioned technical scheme, rise when the furnace gate, the dwang rotates, and the spring is compressed, and compressed to a certain extent can restrict the dwang and continue to rotate as the spring, and the spring can play the cushioning effect in the furnace gate goes up and down simultaneously for the lift of furnace gate is more stable.

Preferably, the linkage device comprises a plurality of fixed pulleys and a steel wire, the fixed pulleys are positioned at the upper end of the door frame, one end of the steel wire is connected with the driving part, and the other end of the steel wire is connected with the rotating rod through the fixed pulleys.

Through adopting above-mentioned technical scheme, the driving piece passes through the steel wire and drives the furnace gate lift, and the fixed pulley makes things convenient for the steady lift of furnace gate with the power of horizontal direction change vertical direction power into.

Preferably, dwang one end is connected to the steel wire is equipped with the trace, trace one end and steel wire fixed connection, the trace rotates with a plurality of dwang of installing on the same one side furnace gate and is connected.

Through adopting above-mentioned technical scheme, the trace passes through the trace with a plurality of dwangs of installation on the same side furnace gate and connects as a whole, and a plurality of dwangs turned angle of in-process that rises are unanimous, and the furnace gate slant is the distance that the outside stove direction removed unanimously for furnace gate lift process is more stable.

Preferably, a plurality of first supporting components are arranged between the furnace door and the door frame, each first supporting component comprises a supporting plate and a supporting rod, the supporting plate is fixedly installed on one side, deviating from the furnace wall of the heating furnace, of the door frame, one end of the supporting rod is fixedly connected with the furnace door, and the other end of the supporting rod is located above the supporting plate.

By adopting the technical scheme, the supporting rods are matched with the supporting plate, when the furnace door moves towards the direction in the furnace and is tightly abutted against the furnace wall, the furnace door is supported, the supporting plate is obliquely upwards and is attached to the moving track of the furnace door, and the furnace door can be better supported.

Preferably, one end of the support rod, which is far away from the oven door, is provided with a roller, and the roller is arranged on the support plate and rolls along the support plate.

Through adopting above-mentioned technical scheme, the furnace gate lift in-process, the bracing piece can slide in the backup pad, sets up the gyro wheel in the support and can make the bracing piece more easily slide in the backup pad.

Preferably, be equipped with a plurality of supporting component two on the heating furnace downside oven, supporting component two includes slider and swash plate, slider fixed connection is in the furnace gate downside, the swash plate tilt up sets up lower extreme fixed connection in heating furnace downside oven, the slider supports tight swash plate and slides along the swash plate.

By adopting the technical scheme, when the furnace door moves towards the direction in the furnace and is tightly abutted against the furnace wall, the inclined plate is matched with the sliding piece to support the furnace door, and the supporting plate is obliquely upwards and is attached to the moving track of the furnace door, so that the furnace door can be better supported.

Preferably, the sliding part comprises a connecting frame and a pulley, and the connecting frame is fixedly connected with the furnace wall at the lower side of the heating furnace.

Through adopting above-mentioned technical scheme, the furnace gate in-process that goes up and down, the slider can slide on the swash plate, sets up the pulley and is used for reducing frictional force.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the driving device drives the furnace door to rise and fall through the linkage device, when the furnace door is lifted, the fixed rod is matched with the rotating rod to enable the furnace door to move obliquely to the direction outside the furnace, when the rotating rod rotates for a certain angle, the rotating rod is limited by the limiting assembly to enable the furnace door to vertically rise next time, when the furnace door descends, the rotating rod is limited by the limiting assembly to enable the furnace door to vertically descend first, when the furnace door descends to a certain distance, the rotating rod rotates reversely, the fixed rod is matched with the rotating rod to enable the furnace door to move obliquely to the direction inside the furnace, the furnace door is abutted against the furnace wall around the electric heating furnace opening, the friction between the furnace door and the furnace wall is avoided to;

2. when the furnace door rises, the rotating rod rotates, the spring is compressed, when the spring is compressed to a certain degree, the rotating rod is limited to continue rotating, and meanwhile, the spring can play a buffering role in the lifting of the furnace door, so that the lifting of the furnace door is more stable;

3. the plurality of rotating rods arranged on the furnace door on the same side are connected into a whole through the linkage rod, the rotating angles of the plurality of rotating rods are consistent in the ascending process, and the moving distances of the furnace door in the direction inclined to the outside of the furnace are consistent, so that the ascending and descending process of the furnace door is more stable;

4. when the furnace door moves towards the direction in the furnace and is tightly abutted against the furnace wall, the supporting rod is matched with the supporting plate, the inclined plate is matched with the sliding piece to support the furnace door, and the supporting plate and the inclined plate are inclined upwards and are attached to the moving track of the furnace door, so that the furnace door can be better supported.

Drawings

Fig. 1 is an overall schematic view of an electric heating furnace door opening and closing device according to an embodiment of the present application.

Fig. 2 is a schematic structural view of a linkage according to an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a driving device according to an embodiment of the present application.

Fig. 4 is an enlarged schematic view of a portion a of fig. 3.

Fig. 5 is an enlarged schematic view of part B of fig. 3.

Description of reference numerals: 1. a door frame; 11. a chute; 12. a support frame; 13. an upper frame; 131. connecting holes; 2. a furnace door; 3. a drive device; 31. a fixed pulley; 32. a steel wire; 321. a linkage rod; 33. a drive member; 4. a linkage device; 41. a connecting rod assembly; 411. fixing the rod; 412. rotating the rod; 4121. a first sliding rod; 4122. a second sliding rod; 42. a limiting component; 421. a limiting plate; 422. a limiting rod; 4221. a stopper; 423. a spring; 5. a first support component; 51. a support plate; 52. a support bar; 521. a roller; 6. a second support component; 61. a slider; 611. a connecting frame; 612. a pulley; 62. a sloping plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses electric heating furnace gate device that opens and shuts, refer to fig. 1, including door frame 1, furnace gate 2, drive arrangement 3 and aggregate unit 4, door frame 1 is vertical to be set up and installs on the oven of heating furnace both sides, furnace gate 2 slides from top to bottom along door frame 1 and sets up, drive arrangement 3 fixed mounting is in door frame 1 upper end, aggregate unit 4 rotates with furnace gate 2 to be connected, aggregate unit 4 and door frame 1 sliding connection, drive arrangement 3 and aggregate unit 4 cooperate and make furnace gate 2 go up and down.

Referring to fig. 1 and 2, in order to prevent the furnace door 2 from contacting the furnace wall of the electric heating furnace during the lifting process, the linkage device 4 includes a plurality of link assemblies 41 and a plurality of limit assemblies 42, in the present embodiment, four groups of link assemblies 41 and four groups of limit assemblies 42 are selected, two groups of link assemblies 41 and limit assemblies 42 are uniformly installed on one side of the furnace door 2, and the other two groups of link assemblies 41 and limit assemblies 42 are uniformly installed on the other side of the furnace door 2.

Referring to fig. 1 and 2, the link assembly 41 includes a fixing rod 411 and a rotating rod 412, the rotating rod 412 includes a first sliding rod 4121 and a second sliding rod 4122, the first sliding rod 4121 and the second sliding rod 4122 are integrally designed, and a cross portion is provided with an installation groove, one end of the fixing rod 411 is welded to the door 2, the other end of the fixing rod is arranged in the installation groove and rotatably connected to the rotating rod 412, one side of the door frame 1 facing the door 2 is provided with a sliding groove 11, the first sliding rod 4121 is slidably connected to the door frame 1, the first sliding rod 4121 is provided with a slider integrally arranged with the first sliding rod 4121, and the slider is arranged in.

Referring to fig. 1 and 2, the limiting component 42 includes a limiting plate 421, a limiting rod 422 and a spring 423, the limiting plate 421 is located below the rotating rod 412 and the limiting plate 421 is welded to the side wall of the oven door 2, the limiting rod 422 is vertically arranged, and the upper end of the limiting rod passes through the limiting plate 421 and is in clearance connection with the second 4122 bolt of the sliding rod, the lower end of the limiting rod 422 is sleeved with a stopper 4221, the stopper 4221 is detachably connected with the limiting rod 422 by a bolt, the spring 423 is sleeved on the limiting rod 422, one end of the spring 423 abuts against the limiting plate 421, the other end abuts against the stopper 4221, the spring 423 does not deform when the oven door 2 descends.

Referring to fig. 1 and 3, in order to automatically lift the door 2, a driving device 3 is installed on the door frame 1, and the driving device 3 includes a plurality of fixed pulleys 31, a wire 32, and a driving member 33. A support frame 12 extends horizontally from one side, which is far away from the electric heating furnace, of the upper end of the doorframe 1, the support frame 12 is welded on the doorframe 1, an upper frame 13 is welded at the upper end of the support frame 12, a driving piece 33 is fixedly connected to the center of the upper frame 13 through a bolt, and a winch is selected as the driving piece 33 in the embodiment; the fixed pulley 31 of this embodiment chooses for use two, a fixed pulley 31 is located the one end above the frame 13, another fixed pulley 31 is located the other end above the frame 13, go up frame 13 and seted up connecting hole 131 along vertical direction, connecting hole 131 is located dwang 412 top, the axis of rotation welding of steel wire 32 one end and driving piece 33, the steel wire 32 other end passes through fixed pulley 31 earlier, pass connecting hole 131 again and be connected with dwang 412, the vertical trace 321 that is equipped with of dwang 412 one end is connected to steel wire 32, the hole is seted up to trace 321 upper end, steel wire 32 passes through the hole and passes through steel wire 32 rope clamp fixed connection with trace 321, on the trace 321 with the two 4122 bolt gap connection of a plurality of glide that install on the same.

Referring to fig. 4, in order to support the oven door 2, a plurality of support assemblies one 5 are disposed between the oven door 2 and the door frame 1, and in this embodiment, two support assemblies one 5 are selected, one support assembly one 5 is installed on the left door frame 1, and the other support assembly one 5 is installed on the right door frame 1. The first support assembly 5 comprises a support plate 51 and a support rod 52, the support plate 51 is welded on one side of the door frame 1, which is away from the wall of the heating furnace, the upper end surface of the support plate 51 is arranged in an upward inclining manner, one end of the support rod 52 is welded on the furnace door 2, the other end of the support rod is arranged on the support plate 51, a roller 521 is arranged at one end of the support rod 52, the rotating shaft of the roller 521 is integrally arranged with the support plate 51, the roller 521 rotates around the support plate 51, the roller 521 is abutted against the upper end of the support plate 51, and when the furnace door 2 moves.

Referring to fig. 5, further, in order to support the oven door 2, a plurality of second support assemblies 6 are arranged on the oven wall at the lower side of the heating oven, in this embodiment, two second support assemblies 6 are selected, the two second support assemblies 6 are uniformly installed on the oven wall at the lower side of the heating oven, the second support assemblies 6 include a sliding part 61 and an inclined plate 62, the sliding part 61 includes a connecting frame 611 and a pulley 612, one end of the connecting frame 611 is welded to the lower end face of the oven door 2, the other end of the connecting frame 611 is welded to a rotating shaft of the pulley 612, the inclined plate 62 is obliquely arranged upwards, the lower end of the inclined plate 62 is welded to the oven wall at the lower side of.

The implementation principle of the electric heating furnace door 2 opening and closing device in the embodiment of the application is as follows: when the furnace door 2 is closed, the roller 521 on the support rod 52 abuts against the support plate 51 on the door frame 1, and the pulley 612 on the lower end surface of the furnace door 2 abuts against the inclined plate 62 on the lower furnace wall of the heating furnace, so that the furnace door 2 is supported to be stable and abuts against the furnace wall of the heating furnace.

In the process of lifting the furnace door 2, the driving part 33 drives the connecting frame 611 to move upwards, the second sliding rod 4122 connected with the connecting frame 611 is subjected to an upward force to drive the rotating rod 412 to rotate upwards by taking the fixing rod 411 as an axis, the first sliding rod 4121 tilts towards the direction outside the furnace in the rotating process, the furnace door 2 is supported towards the direction outside the furnace, and meanwhile, the sliding block on the first sliding rod 4121 slides upwards to enable the furnace door 2 to finally move towards the direction outside the furnace, so that a gap is formed between the furnace door 2 and the furnace wall; when the rotating rod 412 rotates axially by taking the fixing rod 411 as an axis, the spring 423 is compressed, and the spring 423 exerts a continuously increased downward pulling force on the sliding rod two 4122, so that the rotating rod 412 stops rotating after rotating for a certain angle, and then the oven door 2 continuously rises in the vertical direction until the oven door 2 is completely opened; the oven door 2 moves in the direction inclined to the outside of the oven, the roller 521 rolls along the support plate 51 on the door frame 1, and the pulley 612 rolls along the inclined plate 62 on the lower side oven wall of the oven, and meanwhile, the oven door 2 is always supported and kept stable in the process.

In this embodiment, the descending process of the oven door 2 and the ascending process of the oven door 2 are reverse processes, and are not described herein.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an electric heating furnace gate device that opens and shuts, includes door frame (1), furnace gate (2), install on the both sides oven at heating furnace fire door place door frame (1), furnace gate (2) slide from top to bottom along door frame (1) and set up its characterized in that: the oven door further comprises a driving device (3) and a linkage device (4), the driving device (3) is fixedly connected with the door frame (1), the linkage device (4) is rotatably connected with the oven door (2), the linkage device (4) is connected with the door frame (1) in a sliding way, the linkage device (4) comprises a plurality of connecting rod assemblies (41) and a plurality of limiting assemblies (42), the connecting rod assembly (41) comprises a fixed rod (411) and a rotating rod (412), one end of the fixed rod (411) is fixedly connected with the furnace door (2), the other end is rotatably connected with the rotating rod (412), one side of the door frame (1) facing the furnace door (2) is provided with a chute (11), one end of the rotating rod (412) is arranged in the chute (11) and is connected with the door frame (1) in a sliding way, the other end is connected with the driving device (3), the limiting assembly (42) is used for limiting the rotating angle of the rotating rod (412).

2. The opening and closing device for the door of the electric heating furnace according to claim 1, wherein: spacing subassembly (42) include limiting plate (421), gag lever post (422) and spring (423), limiting plate (421) are located dwang (412) below and limiting plate (421) and furnace door (2) fixed connection, limiting plate (421) are passed to gag lever post (422) one end and are rotated with dwang (412) and be connected, the gag lever post (422) other end is equipped with dog (4221), dog (4221) and gag lever post (422) fixed connection, the cover is equipped with spring (423) on gag lever post (422), spring (423) one end supports tight limiting plate (421), the other end supports tight dog (4221).

3. The opening and closing device for the door of the electric heating furnace according to claim 1, wherein: drive arrangement (3) include a plurality of fixed pulleys (31), steel wire (32) and driving piece (33), fixed pulley (31) are located door frame (1) upper end, steel wire (32) one end is connected, the other end passes through fixed pulley (31) and is connected with dwang (412) with driving piece (33).

4. The opening and closing device for the door of the electric heating furnace according to claim 3, wherein: dwang (412) one end is connected in steel wire (32) is equipped with trace (321), trace (321) one end and steel wire (32) fixed connection, trace (321) rotate with a plurality of dwang (412) of installing on the same one side furnace gate (2) and are connected.

5. The opening and closing device for the door of the electric heating furnace according to claim 1, wherein: be equipped with a plurality of supporting component (5) between furnace door (2) and door frame (1), supporting component (5) are including backup pad (51) and bracing piece (52), backup pad (51) tilt up set up and fixed mounting in door frame (1) one side that deviates from the heating furnace oven, bracing piece (52) one end fixed connection furnace door (2), the other end are located backup pad (51) top.

6. The opening and closing device for the door of the electric heating furnace according to claim 5, wherein: one end of the support rod (52) departing from the oven door (2) is provided with a roller (521), and the roller (521) is arranged on the support plate (51) and rolls along the support plate (51).

7. The opening and closing device for the door of the electric heating furnace according to claim 1, wherein: be equipped with a plurality of support assembly two (6) on the heating furnace downside oven, support assembly two (6) include slider (61) and swash plate (62), slider (61) fixed connection is in furnace gate (2) downside, swash plate (62) tilt up set up and lower extreme fixed connection in heating furnace downside oven, slider (61) support tight swash plate (62) and slide along swash plate (62).

8. The opening and closing device for the door of the electric heating furnace according to claim 7, wherein: the sliding part (61) comprises a connecting frame (611) and a pulley (612), and the connecting frame (611) is fixedly connected with the lower furnace wall of the heating furnace.