CN216282705U - Feeding mechanism of annular furnace - Google Patents

Abstract

The utility model discloses a feeding mechanism of an annular furnace, which comprises an inclined bracket, wherein a blocking structure is arranged at the higher end of the bracket, a lifting structure is arranged at the lower end of the bracket, one side of the lifting structure, which is far away from the blocking structure, is linked with a conveying platform, and extension lines of the bracket and the conveying platform in the length direction are mutually vertical; the utility model replaces manual auxiliary feeding, has high degree of mechanization, reduces the labor capacity and improves the production efficiency.

Description

Feeding mechanism of annular furnace

Technical Field

The utility model belongs to the technical field of equipment for producing seamless steel tubes, and relates to a feeding mechanism of an annular furnace.

Background

When the seamless steel tube is produced, a steel bar blank needs to be heated in a heating furnace, and the heating furnace is generally an annular heating furnace, which is called an annular furnace for short; at present, when feeding the heating furnace, adopt the purlin car to hoist the rod iron to the import next door of heating furnace shifts to, by artifical supplementary in shifting the rod iron to the heating furnace import again, so the material loading mode has not only increased workman's the amount of labour, has still reduced production efficiency.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems, the utility model provides a feeding mechanism of an annular furnace, which well solves the problems that the feeding of an annular furnace steel bar blank in the prior art increases the labor capacity of workers and reduces the production efficiency.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows: the feeding mechanism of the annular furnace comprises an inclined bracket, a blocking structure is arranged at the higher end of the bracket, a lifting structure is arranged at the lower end of the bracket, a conveying platform is connected to one side, deviating from the blocking structure, of the lifting structure, and extension lines of the bracket and the conveying platform in the length direction are perpendicular to each other.

Further, the bracket comprises a plurality of inclined I-shaped steels which are parallel to each other, the lower side surfaces of the I-shaped steels are connected with cross beams vertical to the I-shaped steels, and the cross beams are connected with struts fixed on the ground.

Furthermore, the stopping structure comprises a pillar, a first base, a stopping rod, a driving rod and a hydraulic cylinder, the pillar is vertically fixed at the higher end of the bracket, the first base is arranged below the bracket, one end of the stopping rod is hinged to the first base, one end of the driving rod is fixed on a hinged shaft of the stopping rod, the other end of the driving rod is hinged to a piston rod of the hydraulic cylinder, and a cylinder body of the hydraulic cylinder is hinged to a second base fixed on the ground.

Further, promote the structure and include third base, support, first pivot, second pivot, sprocket, couple, on the support was fixed in the third base, parallel and both ends were all rotated and are connected on the support about first pivot and the second pivot, first pivot and second pivot are located the upper and lower both sides of I-steel respectively, the sprocket all is provided with a plurality ofly along first pivot and second pivot length direction, and first pivot and the epaxial sprocket of second are aimed at each other from top to bottom and are connected with the chain, the couple is fixed in on the chain, first pivot or second pivot are connected with first drive structure.

Further, conveying platform includes frame, landing track, conveying roller, the landing track is fixed in the frame top and parallels with the I-steel, the conveying roller is provided with a plurality ofly along frame length direction equidistant, the conveying roller sets up in the orbital least significant end of landing, every the tip of conveying roller all is connected with second drive structure.

Further, the hook comprises a fixing portion and a hook portion integrally connected with the fixing portion, a pin shaft connected to the chain is inserted into the fixing portion, and fastening nuts are connected to two ends of the pin shaft in a threaded mode.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, a plurality of steel bar blanks can be lifted by the truss vehicle at one time and placed in the blocking structure, and the plurality of steel bar blanks are scattered on the bracket through the release of the blocking machine structure, then the steel bar blanks are lifted one by one onto the conveying platform through the lifting structure, and finally the steel bar blanks are conveyed to the inlet of the annular furnace through the conveying platform.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a front view of the present invention hook;

fig. 4 is a left side view of the hanger of the present invention.

In the figure: the device comprises a bracket (1), a stopping structure (2), a lifting structure (3), a conveying platform (4), I-shaped steel (101), a cross beam (102), a support post (103), a support post (201), a first base (202), a stopping rod (203), a driving rod (204), a hydraulic cylinder (205), a third base (301), a support (302), a first rotating shaft (303), a second rotating shaft (304), a chain wheel (305), a hook (306), a chain (307), a rack (401), a sliding track (402), a conveying roller (403), a fixing part (3061), a hook part (3062), a pin shaft (3063) and a fastening nut (3064).

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 and 2, the feeding mechanism of the annular furnace comprises an inclined bracket 1, a stopping structure 2 is arranged at the higher end of the bracket 1, a lifting structure 3 is arranged at the lower end of the bracket 1, a conveying platform 4 is connected to one side of the lifting structure 3, which is far away from the stopping structure 2, and extension lines of the bracket 1 and the conveying platform 4 in the length direction are perpendicular to each other; specifically, the bracket 1 comprises a plurality of inclined I-shaped steel 101 which are parallel to each other, a cross beam 102 which is perpendicular to the I-shaped steel 101 is welded on the lower side surface of the I-shaped steel 101, the cross beam 102 is connected with a post 103 fixed on the ground through a high-strength bolt, and when the technical scheme is used, a plurality of steel bar blanks can be hoisted into the stopping structure 2 by the truss at one time, and the plurality of steel bar blanks are scattered on the upper side surface of the I-shaped steel 101 of the bracket 1 by the releasing of the stopping structure, the steel bar blanks freely roll on the upper side surface of the I-shaped steel 101 under the action of gravity, then, the steel bar blanks are lifted to the conveying platform 4 one by one through the lifting structure 3, and finally the steel bar blanks are conveyed to the inlet of the annular furnace through the conveying platform 4.

In this embodiment, the stopping structure 2 includes a supporting column 201, a first base 202, a stopping rod 203, a driving rod 204, and a hydraulic cylinder 205, wherein the supporting column 201 is vertically fixed at a higher end of the bracket 1, the first base 202 is disposed below the bracket 1, one end of the stopping rod 203 is hinged to the first base 202, one end of the driving rod 204 is fixed on a hinge shaft of the stopping rod 203, the other end of the driving rod 204 is hinged to a piston rod of the hydraulic cylinder 205, and a cylinder body of the hydraulic cylinder 205 is hinged to a second base fixed on the ground; specifically, a plurality of pillars 201 and a plurality of stop rods 203 are arranged in a gap between every two i-beams 101, when the hydraulic cylinder 205 contracts, the stop rods 203 stand up and form a certain space with the vertical rods to hold a plurality of steel bar blanks hoisted by a truss vehicle, when the steel bar blanks are released, the hydraulic cylinder 205 extends, the stop rods 203 rotate to the lower side of the i-beams 101, the steel bar blanks are released, and the steel bar blanks slide to the lifting structure 3 along the i-beams 101 under the self gravity of the steel bar blanks.

In this embodiment, the lifting structure 3 includes a third base 301, a support 302, a first rotating shaft 303, a second rotating shaft 304, a sprocket 305, and a hook 306, the support 302 is fixed on the third base 301 through a high-strength bolt, the third base 301 is fixed on the ground, the first rotating shaft 303 and the second rotating shaft 304 are parallel to each other, and both ends of the first rotating shaft 303 and the second rotating shaft 304 are rotatably connected to the support 302 through a bearing and a bearing seat, the first rotating shaft 303 and the second rotating shaft 304 are respectively located at the upper side and the lower side of the i-beam 101, the sprocket 305 is provided with a plurality of sprockets along the length direction of the first rotating shaft 303 and the second rotating shaft 304, the sprockets 305 on the first rotating shaft 303 and the second rotating shaft 304 are aligned to each other up and down and are connected to a chain 307, the hook 306 is fixed on the chain 307, and the first rotating shaft 303 or the second rotating shaft 304 is connected to a first driving structure; the chain wheels 305 are located in the gaps between every two I-shaped steels 101, the first driving structure can drive the first rotating shaft 303 or the second rotating shaft 304 to rotate and transmit through the chain wheels 305 and the chains 307, the hooks 306 pass through the I-shaped steels 101 along with the rotation of the chains 307 and hook and lift the steel bar blanks close to the chains 307, when the steel bar blanks are lifted to the upper chain wheels 305, the steel plate blanks slide onto the conveying platform 4, and the hooks 306 can be provided with different quantities on the chains 307 according to the production takt. Preferably, a stop bar may be disposed on one side of the chain 307 facing the stop structure 2 to stop the sliding steel bar blank, so as to prevent the steel bar blank from extruding the chain 307, and ensure the running stability of the chain 307.

In this embodiment, the conveying platform 4 includes a frame 401, a sliding track 402, and conveying rollers 403, the sliding track 402 is fixed above the frame 401 and is parallel to the i-beam 101, the sliding track 402 is also composed of a plurality of parallel section steels and is welded to the frame 401, the conveying rollers 403 are arranged at equal intervals along the length direction of the frame 401, the conveying rollers 403 are arranged at the lowest end of the sliding track 402, and the end of each conveying roller 403 is connected with a second driving structure; the two ends of the conveying roller 403 are connected to the frame 401 through bearings and bearing seats, and the conveying roller 403 is dumbbell-shaped; the second driving structure drives the conveying roller 403 to rotate all the time, and the steel bar blank falling onto the conveying roller 403 is conveyed to the inlet of the annular furnace.

In this embodiment, as shown in fig. 3 and 4, the hook 306 includes a fixing portion 3061 and a hook portion 3062 integrally connected to the fixing portion 3061, a reinforcing rib is integrally connected between the hook portion 3062 and the fixing portion 3061, a pin 3063 inserted into the fixing portion 3061 and penetrating through the chain 307, fastening nuts 3064 are threadedly connected to both ends of the pin 3063, and a groove for allowing the chain 307 to sink is formed in the fixing portion 3061; the pin 3063 can be used as a connecting pin of the chain 307, so that the hook 306 can be detachably connected, and the structure is simple and convenient to use.

In this embodiment, the first driving structure and the second driving structure each include a driving motor and a speed reducer connected to the driving motor, and an output shaft of the speed reducer is connected to the first rotating shaft 303, the second rotating shaft 304, and the end of the conveying roller 403 through a coupling.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims (6)

1. The utility model provides an annular furnace feed mechanism which characterized in that: the lifting device comprises an inclined bracket (1), a blocking structure (2) is arranged at the higher end of the bracket (1), a lifting structure (3) is arranged at the lower end of the bracket (1), one side, deviating from the blocking structure (2), of the lifting structure (3) is connected with a conveying platform (4), and extension lines of the bracket (1) and the conveying platform (4) in the length direction are perpendicular to each other.

2. The annular furnace charging mechanism of claim 1, wherein: the bracket (1) comprises a plurality of inclined I-shaped steel (101) which are parallel to each other, the lower side surface of the I-shaped steel (101) is connected with a cross beam (102) which is vertical to the I-shaped steel, and the cross beam (102) is connected with a support which is fixed on the ground.

3. The annular furnace charging mechanism of claim 1, wherein: the stopping structure (2) comprises a supporting column, a first base (202), a stopping rod (203), a driving rod (204) and a hydraulic cylinder (205), wherein the supporting column is vertically fixed at the higher end of the bracket (1), the first base (202) is arranged below the bracket (1), one end of the stopping rod (203) is hinged to the first base (202), one end of the driving rod (204) is fixed on a hinged shaft of the stopping rod (203), the other end of the driving rod (204) is hinged to a piston rod of the hydraulic cylinder (205), and a cylinder body of the hydraulic cylinder (205) is hinged to a second base fixed on the ground.

4. The annular furnace charging mechanism of claim 2, wherein: the lifting structure (3) comprises a third base (301), a bracket (302), a first rotating shaft (303), a second rotating shaft (304), a chain wheel (305) and a hook (306), the bracket (302) is fixed on the third base (301), the first rotating shaft (303) and the second rotating shaft (304) are parallel up and down, and both ends are rotatably connected on the bracket (302), the first rotating shaft (303) and the second rotating shaft (304) are respectively positioned at the upper side and the lower side of the I-shaped steel (101), a plurality of chain wheels (305) are arranged along the length direction of the first rotating shaft (303) and the second rotating shaft (304), the chain wheels (305) on the first rotating shaft (303) and the second rotating shaft (304) are aligned up and down and are connected with chains (307), the hook (306) is fixed on the chain (307), and the first rotating shaft (303) or the second rotating shaft (304) is connected with a first driving structure.

5. The annular furnace charging mechanism of claim 4, wherein: conveying platform (4) include frame (401), landing track (402), conveying roller (403), landing track (402) are fixed in frame (401) top and parallel with I-steel (101), conveying roller (403) are provided with a plurality ofly along frame (401) length direction equidistant, conveying roller (403) set up in the least significant end of landing track (402), every the tip of conveying roller (403) all is connected with second drive structure.

6. The annular furnace charging mechanism of claim 4, wherein: the hook (306) comprises a fixing part (3061) and a bent hook part (3062) integrally connected with the fixing part (3061), a pin shaft (3063) connected to the chain (307) is inserted into the fixing part (3061), and two ends of the pin shaft (3063) are in threaded connection with fastening nuts (3064).

Images