CN209960980U

CN209960980U - Lifting device for kiln door of shuttle kiln

Info

Publication number: CN209960980U
Application number: CN201920484847.XU
Authority: CN
Inventors: 于军
Original assignee: Nantong Furete Kiln Co Ltd
Current assignee: Nantong Furete Kiln Co Ltd
Priority date: 2019-04-11
Filing date: 2019-04-11
Publication date: 2020-01-17
Anticipated expiration: 2029-04-11

Abstract

The utility model discloses a shuttle kiln door lifting device, a gear motor is arranged at the middle position of the top end of a lifting portal frame, the gear motor is connected with a wheel shaft supported by a bearing seat through a shaft coupling, one end of the wheel shaft, which is far away from the shaft coupling, is connected with a driving sprocket, the driving sprocket is connected with a driven sprocket through a chain, the driven sprocket is arranged at the lower ends of the two sides of the lifting portal frame, the chain is connected with a sliding support, the sliding support is connected with a kiln door through a link mechanism, the lower end of the kiln door is provided with a kiln door roller, the two sides of the bottom end of the lifting portal frame are respectively provided with iron shoes, the two sides of the lifting portal frame are also provided with a guide rail, guide wheels at the two sides of the sliding support are movably arranged in the guide rail, the upper end and the lower end, the service life of the refractory material of the kiln door is longer.

Description

Lifting device for kiln door of shuttle kiln

Technical Field

The utility model relates to a kiln door technical field specifically is a shuttle kiln door hoisting device.

Background

The kiln door is a sealing device used for sealing two ends of the shuttle kiln so as to ensure the sintering temperature in the kiln and the stability of a sintered product.

At present, a gear and a rack are mostly adopted by a kiln door lifting device, the rigid lifting transmission of the gear and the rack shakes greatly, the service life of a kiln door refractory material is influenced, and therefore an improved technology is urgently needed to solve the problem existing in the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shuttle kiln door hoisting device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a kiln door lifting device of a shuttle kiln comprises a lifting door frame, a speed reducing motor, a coupler, a bearing seat, a wheel shaft, a driving chain wheel, a chain, a driven chain wheel, a sliding support, a link mechanism, a kiln door, kiln door rollers, iron shoes, guide rails, a guide wheel, a limit switch and a proximity switch, wherein the speed reducing motor is arranged at the middle position of the top end of the lifting door frame, the speed reducing motor is connected with the wheel shaft supported by the bearing seat through the coupler, one end of the wheel shaft, far away from the coupler, is connected with the driving chain wheel, the driving chain wheel is connected with the driven chain wheel through the chain, the driven chain wheel is arranged at the lower ends of two sides of the lifting door frame, the chain is connected with the sliding support, the sliding support is connected with the kiln door through the link mechanism, the kiln door rollers are arranged at the lower end of, the guide wheels on two sides of the sliding support are movably arranged in the guide rail, and the upper end and the lower end of one side of the lifting portal frame are respectively provided with a limit switch and a proximity switch.

Preferably, the link mechanism comprises a connecting rod, a pin shaft A and a pin shaft B, one end of the connecting rod is connected with the sliding support through the pin shaft A, and the other end of the connecting rod is connected with the kiln door through the pin shaft B.

Preferably, the upper surface of the iron shoe is provided with a gentle slope, and the kiln door roller is movably connected with the upper surface of the iron shoe.

Preferably, the sliding support comprises a side frame, a cross beam, a reinforcing beam, chain connecting buckles and limiting blocks, two ends of the cross beam are respectively connected with the side frame, the cross beam is further reinforced by the reinforcing beam, the chain connecting buckles are arranged at the top end and the bottom end of the side frame, and the limiting blocks are arranged on the outer sides of the upper end and the lower end of the side frame.

Preferably, the two sides of the kiln door are also provided with limiting rollers, and the limiting rollers are in flexible rolling contact with the guide rails.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) compared with rigid lifting transmission of a gear rack, the lifting of the chain wheel and the chain is softer, and the service life of the kiln door refractory material is longer.

(2) The design of the iron shoe can lead the kiln door to be compressed and sealed under the condition of self weight, thus ensuring the stability of temperature and atmosphere in the kiln.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic side view of the present invention.

Fig. 3 is a schematic view of the top view structure of the present invention.

Fig. 4 is a schematic structural view of the link mechanism.

Fig. 5 is a schematic view of a sliding support structure.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a kiln door lifting device of a shuttle kiln comprises a lifting portal frame 1, a speed reducing motor 2, a coupler 3, a bearing seat 4, a wheel shaft 5, a driving sprocket 6, a chain 7, a driven sprocket 8, a sliding support 9, a link mechanism 10, a kiln door 11, a kiln door roller 12, iron shoes 13, a guide rail 14, a guide wheel 15, a limit switch 16 and a proximity switch 17, wherein the speed reducing motor 2 is arranged at the middle position of the top end of the lifting portal frame 1, the speed reducing motor 2 is connected with the wheel shaft 5 supported by the bearing seat 4 through the coupler 3, one end of the wheel shaft 5 far away from the coupler 3 is connected with the driving sprocket 6, the driving sprocket 6 is connected with the driven sprocket 8 through the chain 7, the driven sprocket 8 is arranged at the lower ends of two sides of the lifting portal frame 1, the chain 7 is connected with the sliding support 9, the sliding support 9 is connected with the kiln door 11 through the link mechanism 10, the kiln door, the upper surface of the iron shoe 13 is provided with a gentle slope, the kiln door roller 12 is movably connected with the upper surface of the iron shoe 13, guide rails 14 are further arranged on two sides of the lifting portal frame 1, guide wheels 15 on two sides of the sliding support 9 are movably arranged in the guide rails 14, and the upper end and the lower end of one side of the lifting portal frame 1 are respectively provided with a limit switch 16 and a proximity switch 17.

And limiting rollers 18 are further mounted on two sides of the kiln door 11, and the limiting rollers 18 are in flexible rolling contact with the guide rails 14.

As shown in fig. 4, the link mechanism 10 includes a connecting rod 101, a pin a102, and a pin B103, one end of the connecting rod 101 is connected to the sliding bracket 9 through the pin a102, and the other end of the connecting rod 101 is connected to the kiln door 11 through the pin B103.

As shown in fig. 5, the sliding support 9 includes a side frame 91, a cross beam 92, a reinforcing beam 93, a chain connecting buckle 94 and a limiting block 95, two ends of the cross beam 92 are respectively connected with the side frame 91, the cross beam 92 is reinforced by the reinforcing beam 93, the top end and the bottom end of the side frame 91 are respectively provided with the chain connecting buckle 94, and the outer sides of the upper end and the lower end of the side frame 91 are respectively provided with the limiting block 95.

The use principle is as follows: lifting movement: a speed reducing motor 2 of the lifting portal frame 1 is connected with a wheel shaft 5 supported by a bearing seat 4 through a coupler 3, a driving chain wheel 6, a chain 7 and a driven chain wheel 8 fixed on the portal frame are driven to lift a sliding support 9, a kiln door 11 connected with a link mechanism 10 is driven to move upwards together, a kiln door roller 12 moves upwards along an iron shoe 13, a limiting roller 18 of the kiln door 11 is in flexible rolling contact with a guide rail 14 of the lifting portal frame 1, and meanwhile, a guide wheel 15 of the sliding support 9 moves upwards along the guide rail 14 of the lifting portal frame 1, so that the lifting stability is guaranteed. The upper position and the lower position of the lifting door frame 1 are both provided with a limit switch 16 and a proximity switch 17, when the proximity switch 17 above detects a limit block 95 on the sliding support 9, the speed reducing motor 2 stops rotating, the kiln door 11 is fully opened at the moment, and the kiln car and the fired product are discharged from the kiln.

Descending movement: kiln car and semi-manufactured goods advance the kiln, and gear motor 2 antiport drives sliding support 9 and kiln door 11 decline, and when below proximity switch 17 detected the stopper 95 on the sliding support 9, the motor stall, and the spacing gyro wheel 18 of kiln door 11 moved along iron shoe 13 simultaneously compresses tightly and seals kiln door 11 under the condition of dead weight.

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

Claims

1. The utility model provides a shuttle kiln door hoisting device which characterized in that: comprises a lifting portal frame (1), a speed reducing motor (2), a shaft coupling (3), a bearing seat (4), a wheel shaft (5), a driving chain wheel (6), a chain (7), a driven chain wheel (8), a sliding support (9), a connecting rod mechanism (10), a kiln door (11), a kiln door roller (12), an iron shoe (13), a guide rail (14), a guide wheel (15), a limit switch (16) and a proximity switch (17), wherein the speed reducing motor (2) is arranged at the middle position of the top end of the lifting portal frame (1), the speed reducing motor (2) is connected with the wheel shaft (5) supported by the bearing seat (4) through the shaft coupling (3), one end of the wheel shaft (5) far away from the shaft coupling (3) is connected with the driving chain wheel (6), the driving chain wheel (6) is connected with the driven chain wheel (8) through the chain (7), and the driven chain wheel (8) is arranged at the lower, chain (7) link to each other with sliding bracket (9), sliding bracket (9) link to each other with kiln door (11) through link mechanism (10), kiln door (11) lower extreme is provided with kiln door gyro wheel (12), it is provided with iron shoe (13) respectively to promote portal (1) bottom both sides, it still is provided with guide rail (14) to promote portal (1) both sides, leading wheel (15) activity of sliding bracket (9) both sides sets up in guide rail (14), it all installs limit switch (16) and proximity switch (17) to promote portal (1) one side upper end and lower extreme.

2. The lifting device for the door of the shuttle kiln according to claim 1, wherein: the connecting rod mechanism (10) comprises a connecting rod (101), a pin shaft A (102) and a pin shaft B (103), one end of the connecting rod (101) is connected with the sliding support (9) through the pin shaft A (102), and the other end of the connecting rod (101) is connected with the kiln door (11) through the pin shaft B (103).

3. The lifting device for the door of the shuttle kiln according to claim 1, wherein: the upper surface of the iron shoe (13) is provided with a gentle slope, and the kiln door roller (12) is movably connected with the upper surface of the iron shoe (13).

4. The lifting device for the door of the shuttle kiln according to claim 1, wherein: the sliding support (9) comprises side frames (91), a cross beam (92), a reinforcing beam (93), chain connecting buckles (94) and limiting blocks (95), wherein the two ends of the cross beam (92) are respectively connected with the side frames (91), the cross beam (92) is further reinforced through the reinforcing beam (93), the chain connecting buckles (94) are arranged at the top end and the bottom end of each side frame (91), and the limiting blocks (95) are arranged on the outer sides of the upper end and the lower end of each side frame (91).

5. The lifting device for the door of the shuttle kiln according to claim 1, wherein: and limiting rollers (18) are further mounted on two sides of the kiln door (11), and the limiting rollers (18) are in flexible rolling contact with the guide rails (14).