CN216764996U

CN216764996U - Adjustable roller blocking device for cast tube trolley type annealing furnace

Info

Publication number: CN216764996U
Application number: CN202220384547.6U
Authority: CN
Inventors: 郑晓阳; 初永波; 赵维学
Original assignee: Dalian Wantong Energy Equipment Co ltd
Current assignee: Dalian Wantong Energy Equipment Co ltd
Priority date: 2022-02-24
Filing date: 2022-02-24
Publication date: 2022-06-17
Anticipated expiration: 2032-02-24

Abstract

The utility model relates to the technical field of cast tube production equipment, and provides an adjustable roller blocking device for a cast tube trolley type annealing furnace, which comprises: the device comprises a speed reducing motor, a bracket, a screw rod mechanism and a roller blocking mechanism; a speed reducing motor and a screw rod mechanism are arranged on the bracket; an output shaft of the speed reducing motor is in transmission connection with the lead screw mechanism; the lead screw mechanism is provided with a roller blocking mechanism in a sliding way; keep off roller mechanism includes: the device comprises a bearing box base, a blocking roller shaft and a blocking roller head; the bearing box base is arranged on the screw rod mechanism, a stop roll shaft is arranged on the bearing box base, and a stop roll head is arranged at the top end of the stop roll shaft; the adjustable roller blocking device is arranged on a trolley of the trolley type annealing furnace, and the bearing box base, the speed reducing motor, the bracket and the screw rod mechanism are positioned in the trolley; the gear roller shaft extends out of the trolley, and the gear roller head is positioned above the trolley. The utility model can realize the quick and automatic adjustment of the position of the roller blocking mechanism and improve the production efficiency of enterprises.

Description

Adjustable roller blocking device for cast tube trolley type annealing furnace

Technical Field

The utility model relates to the field of cast tube production equipment, in particular to an adjustable roller blocking device for a cast tube trolley type annealing furnace.

Background

The hot die trolley type annealing furnace is used for hot die cast iron pipe spheroidizing annealing. Cast tubes having a diameter of DN1000-DN2600 and a length of 6m can generally be treated. In recent years, related industries need to process casting pipes with diameters of DN1000-DN3000, lengths of 3m, 4m, 6m, 8m and the like, and different diameters and lengths. The same annealing furnace produces the cast tube of different length, need adjust the roller position of keeping off at cast tube bell and spigot both ends, makes the distance of keeping off roller and cast tube bellmouth and socket for about 200 and give other care of 300 mm.

However, the conventional trolley type annealing furnace adopts fixed blocking rollers, the positions of the blocking rollers are not adjustable, the blocking rollers need to be manually adjusted once when the cast tube is replaced in each production, or a plurality of blocking rollers are arranged on the trolley, and when the trolley is not used, the trolley is assembled and disassembled back and forth, so that the assembly and disassembly are long, and enterprises are difficult to realize low production efficiency and high labor cost.

SUMMERY OF THE UTILITY MODEL

The utility model mainly solves the technical problems that the trolley type annealing furnace in the prior art adopts fixed blocking rollers, the blocking roller position is not adjustable, the loading and unloading time consumption is long, the production efficiency is low and the like, and provides an adjustable blocking roller device for a cast tube trolley type annealing furnace, so as to achieve the purposes of realizing the quick and automatic adjustment of the blocking roller mechanism position and improving the production efficiency of enterprises.

The utility model provides an adjustable roller blocking device for a cast tube trolley type annealing furnace, which comprises: the device comprises a speed reducing motor, a bracket, a screw rod mechanism and a roller blocking mechanism;

a speed reducing motor and a screw rod mechanism are arranged on the bracket;

an output shaft of the speed reducing motor is in transmission connection with the screw rod mechanism; the lead screw mechanism is provided with a roller blocking mechanism in a sliding way;

keep off roller mechanism includes: the device comprises a bearing box base, a blocking roller shaft and a blocking roller head;

the bearing box base is arranged on the screw rod mechanism, a gear roller shaft is arranged on the bearing box base, and a gear roller head is arranged at the top end of the gear roller shaft;

the adjustable roller blocking device is arranged on a trolley of the trolley type annealing furnace, and the bearing box base, the speed reducing motor, the bracket and the screw rod mechanism are positioned in the trolley; the gear roller shaft extends out of the trolley, and the gear roller head is positioned above the trolley.

Preferably, the screw mechanism includes: the screw rod, the screw rod support and the nut seat;

the screw rod is connected with an output shaft of the speed reducing motor through a coupler;

the two ends of the lead screw are respectively provided with a lead screw support, and the lead screw is arranged on the inner side of the bracket through the lead screw supports;

the screw rod is provided with a nut seat in a matching way, the nut seat extends out of the bracket, and the bracket is provided with a long hole for extending and moving the nut seat;

and the nut seat is provided with a roller blocking mechanism.

Preferably, an inner spacer sleeve is arranged between the bearing box base and the baffle roller shaft;

and two ends of the inner spacer sleeve are respectively provided with a bearing, and the bearings are sleeved on the roller blocking shaft.

Preferably, an outer spacer bush is further arranged on the outer side of the inner spacer bush, and a gap is formed between the outer spacer bush and the inner spacer bush.

Preferably, a gland is arranged on the bearing box base and abuts against the bearing above the gland.

Preferably, a sand control cover is arranged on the press cover.

Preferably, the roller blocking head and the roller blocking shaft are made of high-temperature resistant materials.

According to the adjustable roller blocking device for the cast tube trolley type annealing furnace, the speed reducing motor drives the screw rod to rotate, so that the nut seat drives the roller blocking mechanism to move forward and backward, and the position of the roller blocking mechanism is electrically adjusted according to different lengths of cast tubes. The position of the roller blocking mechanism can be quickly and automatically adjusted, and the original manual labor in half a day is changed into automatic adjustment within a few minutes; labor is greatly saved, and the production efficiency of enterprises is improved.

Drawings

FIG. 1 is a schematic view showing the construction of an adjustable dam roller assembly for a cast tube car lehr according to the present invention;

FIG. 2 is a top view of an adjustable dam roller assembly for a cast tube car lehr provided in accordance with the present invention;

FIG. 3 is a schematic structural view of a wind-stop mechanism provided by the present invention;

FIG. 4 is a schematic view showing the operation state of the adjustable dam roller device for a cast tube car-type annealing furnace according to the present invention (short tube);

FIG. 5 is a schematic view showing the operation of the adjustable wind-up roll apparatus for a cast tube car-type annealing furnace according to the present invention (long tube).

Reference numerals: 1. a reduction motor; 2. a support; 3. a coupling; 4. a lead screw support; 5. a nut seat; 6. A lead screw; 7. a roller blocking mechanism; 8. a roller blocking head; 9. a stopper roller shaft; 10. a sand prevention cover; 11. a gland; 12. an outer spacer sleeve; 13. an inner spacer sleeve; 14. a bearing; 15. bearing box base.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some but not all of the relevant aspects of the present invention are shown in the drawings.

As shown in fig. 1-2, an embodiment of the present invention provides an adjustable baffle roll apparatus for a cast tube car-type annealing furnace, including: gear motor 1, support 2, screw mechanism and fender roller mechanism.

The bracket 2 is provided with a speed reducing motor 1 and a screw mechanism; the support 2 can support the speed reduction motor 1, the screw mechanism, the roller blocking mechanism and the like.

An output shaft of the speed reducing motor 1 is in transmission connection with a screw mechanism; the lead screw mechanism is provided with a roller blocking mechanism in a sliding manner. Specifically, the screw mechanism includes: the screw rod 6, the screw rod support 4 and the nut seat 5; the lead screw 6 is connected with an output shaft of the speed reducing motor 1 through a coupler 3; the two ends of the lead screw 6 are respectively provided with a lead screw support 4, and the lead screw 6 is arranged on the inner side of the bracket 2 through the lead screw supports 4; a nut seat 5 is arranged on the screw rod 6 in a matching way, the nut seat 5 extends out of the bracket 2, and a long hole for extending and moving the nut seat 5 is reserved on the bracket 2; the nut seat 5 is provided with a roller blocking mechanism 7, and the nut seat 5 and the roller blocking mechanism 7 are installed in a bolt connection mode.

In the embodiment, the screw rod support 4 is fixed on the bracket 2 through bolt connection, and the screw rod support 4 plays a supporting role for the screw rod 6; two ends of the screw rod 6 are unthreaded holes and penetrate through the screw rod support 4. The middle part of the screw rod 6 is in threaded structure and is screwed with the nut seat 5, and when the screw rod 6 rotates, the nut seat 5 with the roller blocking mechanism slides on the support 2. The speed reducing motor 1 is connected with a lead screw 6 through a coupler 3 and is used for driving the lead screw 6 to rotate, and the nut seat 5 drives the roller blocking mechanism to move forward and backward through positive and negative rotation.

As shown in fig. 3, the roller stopper mechanism 7 includes: a bearing box base 15, a roller shaft 9 and a roller head 8; the bearing box base 15 is installed on the screw rod mechanism, a gear roller shaft 9 is arranged on the bearing box base 15, and a gear roller head 8 is arranged at the top end of the gear roller shaft 9. An inner spacer sleeve 13 is arranged between the bearing box base 15 and the baffle roller shaft 9; two ends of the inner spacer sleeve 13 are respectively provided with a bearing 14, and the bearing 14 is sleeved on the stop roll shaft 9. An outer spacer 12 is further arranged outside the inner spacer 13, and a gap is formed between the outer spacer 12 and the inner spacer 13. The bearing box base 15 is provided with a gland 11, and the gland 11 is abutted against the bearing 14 positioned above. Set up sand control cover 10 on the gland 11, the subassembly in bearing box base 15 can be covered to sand control cover 10.

The adjustable roller blocking device of the embodiment is arranged on a trolley of a trolley type annealing furnace, and the bearing box base 15, the speed reducing motor 1, the bracket 2 and the screw mechanism are positioned in the trolley; the stop roller shaft 9 extends out of the trolley, and the stop roller head 8 is positioned above the trolley. During the annealing treatment of the cast tube, the upper parts of the roller blocking heads 8 and the roller blocking shafts 9 are positioned in an annealing furnace to block the cast tube and keep the cast tube in a high-temperature state; the gear roller head 8 and the gear roller shaft 9 are made of high-temperature resistant materials. The annealing furnace high-temperature annealing treatment needs to carry out heat insulation protection on components in the trolley, an outer spacer 12 and an inner spacer 13 are arranged, the outer spacer 12 and the inner spacer 13 are made of heat insulation materials, heat transfer from high temperature in the furnace to the components in the trolley can be reduced, and the components in the trolley are in a low-temperature state.

The utility model relates to an adjustable roller blocking device for a trolley type annealing furnace of a cast tube, which is used for adjusting the relative position of a roller blocking head 8 and a cast tube bell and spigot when the cast tube type is changed from one specification to another specification. As shown in fig. 4, when producing short pipes, the speed reducing motor 1 rotates to drive the screw rod 6 to drive the roller blocking mechanism to move forwards; as shown in figure 5, when a long pipe is produced, the speed reducer 1 rotates reversely, and the driving screw 6 drives the roller blocking mechanism to move backwards. Therefore, the position of the roller blocking mechanism is electrically adjusted according to different lengths of the cast pipes.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: modifications of the technical solutions described in the embodiments or equivalent replacements of some or all technical features may be made without departing from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. An adjustable roller stopping device for a cast tube trolley type annealing furnace, which is characterized by comprising: the device comprises a speed reducing motor (1), a bracket (2), a screw rod mechanism and a roller blocking mechanism;

the bracket (2) is provided with a speed reducing motor (1) and a screw rod mechanism;

an output shaft of the speed reducing motor (1) is in transmission connection with a screw mechanism; the lead screw mechanism is provided with a roller blocking mechanism in a sliding way;

the roller blocking mechanism (7) comprises: a bearing box base (15), a roller blocking shaft (9) and a roller blocking head (8);

the bearing box base (15) is arranged on the screw rod mechanism, a blocking roller shaft (9) is arranged on the bearing box base (15), and a blocking roller head (8) is arranged at the top end of the blocking roller shaft (9);

the adjustable roller blocking device is arranged on a trolley of the trolley type annealing furnace, and the bearing box base (15), the speed reducing motor (1), the bracket (2) and the screw rod mechanism are positioned in the trolley; the gear roller shaft (9) extends out of the trolley, and the gear roller head (8) is located above the trolley.

2. The adjustable wind roller apparatus for a cast tube car-type annealing furnace according to claim 1, wherein the screw mechanism comprises: the screw rod (6), the screw rod support (4) and the nut seat (5);

the lead screw (6) is connected with an output shaft of the speed reducing motor (1) through a coupler (3);

the two ends of the lead screw (6) are respectively provided with a lead screw support (4), and the lead screw (6) is arranged on the inner side of the bracket (2) through the lead screw supports (4);

a nut seat (5) is arranged on the lead screw (6) in a matching way, the nut seat (5) extends out of the bracket (2), and a long hole for extending and moving the nut seat (5) is reserved on the bracket (2);

and the nut seat (5) is provided with a roller blocking mechanism (7).

3. The adjustable roller device for a cast tube car-type annealing furnace according to claim 2, characterized in that an inner spacer sleeve (13) is provided between the bearing housing base (15) and the roller shaft (9);

two ends of the inner spacer sleeve (13) are respectively provided with a bearing (14), and the bearing (14) is sleeved on the stop roll shaft (9).

4. The adjustable roller device for a cast tube car-type annealing furnace according to claim 3, characterized in that an outer spacer (12) is further provided outside the inner spacer (13), and a space is provided between the outer spacer (12) and the inner spacer (13).

5. The adjustable catch roll apparatus for a cast tube car-type annealing furnace according to claim 4, wherein a gland (11) is provided on the bearing housing base (15), the gland (11) abutting on the bearing (14) located above.

6. The adjustable roller device for a cast tube car-type annealing furnace according to claim 5, wherein a sand control hood (10) is provided on the gland (11).

7. The adjustable backing roll apparatus for a cast tube car-type annealing furnace according to any one of claims 1 to 6, wherein the backing roll heads (8) and the backing roll shafts (9) are made of a high temperature resistant material.