CN220329935U - Steelmaking continuous casting cutting device - Google Patents

Abstract

The utility model relates to the technical field of continuous casting cutting, and discloses a steelmaking continuous casting cutting device which comprises a box body connected to the outer sides of a cutting mechanism and a clamping mechanism, wherein the bottom of the box body is provided with an opening, a bottom plate is arranged at the opening of the bottom in a clamping way, clamping components which are clamped with the box body are connected to two sides of the bottom plate, a cavity is formed in the bottom plate, and a water circulation component is connected in the cavity.

Description

Steelmaking continuous casting cutting device

Technical Field

The utility model relates to the technical field of continuous casting cutting, in particular to a steelmaking continuous casting cutting device.

Background

In the existing steel smelting process, molten steel is refined and then conveyed to a continuous casting system (namely a steelmaking continuous casting system) from a ladle, and the operation process of the steelmaking continuous casting system is as follows: molten steel is firstly conveyed to a rotary table, after the rotary table rotates to a pouring position, molten steel is poured into a tundish, the tundish distributes the molten steel into each crystallizer through a water gap, the molten steel is molded in the crystallizer and rapidly solidifies and crystallizes into castings, then the castings are pulled out of the crystallizer under the combined action of a withdrawal and straightening machine and a crystallization vibration device, and after cooling and electromagnetic stirring, billets are cut into a certain length by a cutting device. The existing cutting device is generally composed of a cutting mechanism, a synchronizing mechanism, a returning mechanism, a section detector, a sizing mechanism, an oxygen and acetylene pipeline system and the like, when a steel billet is cut, the synchronizing mechanism clamps the steel billet, the steel billet drives the cutting device to synchronously operate and cut the steel billet, after the cutting is completed, a clamp holder is loosened, the returning mechanism returns the device to the original position for preparing the next cutting, and the reliability and the performance of the cutting device are important factors for improving the production efficiency of steelmaking continuous casting cutting.

The cutting device is also called a cutting trolley, the main cutting parts are arranged above the steel billets, and because the temperature of the cut steel billets is very high, a large amount of heat is contained in the steel billets, and the heat is upwards radiated and transmitted to each part of the cutting device to be absorbed, so that the service life of the cutting device is short, the working stability is poor, the ignition reliability and the stability are poor, the cutting quality is seriously influenced, the maintenance workload of the cutting device is increased, the cutting cost and the continuous casting production cost are improved, and in addition, the running problems of slipping, untimely carriage return and the like can be caused when the cutting device runs, and the speed, the quality and the efficiency of continuous casting cutting are influenced.

The present patent with publication number CN211564788U discloses an automatic cutting device of steelmaking continuous casting system, the power distribution box comprises a box body, fixture, cutting mechanism and return mechanism, fixture includes the horizontal pole, clamping bars and first cylinder, the upper end of two clamping bars is articulated with the both ends of horizontal pole respectively, first through-hole has been seted up to the bottom of box, two cross shafts are installed to the level in the first through-hole, the upper end processing of every clamping bar has the round hole that matches with the cross shaft, cutting mechanism includes the horizontal bar, second cylinder and third cylinder, be provided with the cutting arm on the piston rod of third cylinder, the second through-hole has been seted up to the bottom of box, the lower extreme of cutting arm is connected with the cutting rifle, return mechanism includes the pivot, driven gear, a motor, processing has the teeth of a cogwheel on the tread of gyro wheel, two tracks of both sides parallel arrangement of box, be provided with the rack with teeth of a cogwheel matched with on the track. The utility model has high cutting efficiency, good working stability, long service life and obvious economic and social values.

The device realizes the whole cooling of the cutting device through the box body, the cold air inlet, the first through hole and the second through hole, but the following defects still exist in actual use:

in the device, the clamping mechanism, the cutting mechanism and the return mechanism are arranged in the box body, and each mechanism in the box body is cooled in a water cooling and air cooling mode, however, if one mechanism is damaged, maintenance is needed, the box body is difficult to disassemble, further later disassembly is difficult to operate, and inconvenience is caused to maintenance of each mechanism.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a steelmaking continuous casting cutting device, so that a protective box body at the outer side of a cutting mechanism can be conveniently and rapidly detached.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a steelmaking continuous casting cutting device, includes the box of connecting in cutting mechanism and fixture outside, and the bottom half is the opening setting, and bottom opening part joint is provided with the bottom plate, and the both sides of bottom plate are connected with the joint subassembly with the box joint, have seted up the cavity in the bottom plate, are connected with hydrologic cycle subassembly in the cavity.

Further, the joint subassembly includes two L type inserts of fixed connection at bottom plate both ends, and box both ends outer wall fixedly connected with two L type inserts position correspondence's fixed block, has seted up the slot in the fixed block, and L type inserts and slot grafting setting, and L type inserts are located the outer one end grafting of slot and are provided with the picture peg.

Further, the water circulation assembly comprises a circulating water pipe positioned in the cavity, the end part of the circulating water pipe is fixedly connected with a water inlet pipe, the end part of the water inlet pipe penetrates through the bottom plate and extends to the outer wall of the bottom plate, the outer end of the water circulation assembly is connected with a peripheral water source, and the other end of the circulating water pipe is fixedly connected with a water outlet pipe penetrating through the end part of the bottom plate.

Further, an integral rod is fixedly connected between the two plugboards at the two ends of the bottom plate.

Further, the top surface of the plugboard is obliquely arranged.

Further, the two sides of the top of the L-shaped insert block are provided with chamfer angles.

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

according to the utility model, the bottom plate is arranged at the bottom of the box body, so that a worker can open the bottom plate, the cutting mechanism and the clamping mechanism which are positioned in the box body are integrally overhauled, the L-shaped insert blocks at the periphery of the bottom plate are used for being inserted into the fixed blocks, and finally the bottom plate is stably connected at the bottom of the box body by using the transverse limit of the insert plate, and the bottom plate can be fixed on the box body by using a simple inserting structure.

Drawings

FIG. 1 is a schematic view of an overall three-dimensional structure of the present utility model;

FIG. 2 is a schematic perspective view showing the unfolded state of the case of the present utility model;

FIG. 3 is a schematic view of the three-dimensional structure of the bottom plate of the present utility model;

fig. 4 is an enlarged perspective view of the structure of fig. 3 a.

In the figure: 1. a case; 11. a cutting mechanism; 12. a clamping mechanism; 2. a bottom plate; 3. an L-shaped insert block; 4. a fixed block; 41. a slot; 5. a water inlet pipe; 6. a cavity; 7. a circulating water pipe; 8. a water outlet pipe; 9. inserting plate; 91. an integral rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

As shown in fig. 1 to 4, a steelmaking continuous casting cutting device comprises a box body 1 connected to the outer sides of a cutting mechanism 11 and a clamping mechanism 12, wherein the bottom of the box body 1 is provided with an opening, a bottom plate 2 is arranged at the opening of the bottom in a clamping manner, clamping components which are clamped with the box body 1 are connected to two sides of the bottom plate 2, a cavity 6 is formed in the bottom plate 2, and a water circulation component is connected to the cavity 6.

As shown in fig. 1, the steelmaking continuous casting cutting device in the utility model has a structure similar to that of the existing automatic cutting device of a steelmaking continuous casting system, as disclosed in the patent with publication number CN211564788U, the main improvement point of the utility model is that the protective box body outside the cutting mechanism can be conveniently detached, and as shown in fig. 1 to 4, when the steelmaking continuous casting cutting device in the utility model is used, when a user needs to overhaul the cutting mechanism 11 and the clamping mechanism 12, at the moment, people can open the clamping assembly to separate the bottom plate 2 from the bottom of the box body 1, and as the cutting mechanism 11 and the clamping mechanism 12 are arranged in the bottom plate 2 in a penetrating way, the bottom plate 2 can be slowly moved down until being separated from the cutting mechanism 11 and the clamping mechanism 12, and at the moment, staff can overhaul the whole cutting mechanism 11 and the clamping mechanism 12 positioned in the box body 1; after the overhaul is completed, the bottom plate 2 is only required to be sleeved outside the end parts of the cutting mechanism 11 and the clamping mechanism 12, so that the bottom plate 2 is connected with the bottom of the box body 1.

It is noted that a sealing gasket can be arranged between the bottom of the box body 1 and the top surface of the bottom plate 2, so that after the bottom plate 2 is connected with the box body 1, tightness can be ensured between the bottom plate and the box body 1, and cold air leakage of the box body 1 is prevented.

As shown in fig. 1, 2 and 3, the clamping assembly comprises two L-shaped inserting blocks 3 fixedly connected to two ends of the bottom plate 2, two fixing blocks 4 corresponding to the two L-shaped inserting blocks 3 are fixedly connected to the outer walls of two ends of the box body 1, inserting grooves 41 are formed in the fixing blocks 4, the L-shaped inserting blocks 3 are arranged in an inserting mode with the inserting grooves 41 in an inserting mode, and inserting plates 9 are arranged at one ends, located outside the inserting grooves 41, of the L-shaped inserting blocks 3 in an inserting mode.

Specifically, when the staff needs to separate the bottom plate 2 from the box 1, only the four plugboards 9 are required to be separated from the corresponding L-shaped plugboards 3, and then the bottom plate 2 and the box 1 can be separated, so that the bottom plate 2 and the box 1 can be connected simply and conveniently by the arrangement, and compared with the connection mode of bolts and the like, the simple plugboard is simple and convenient, and easy to operate.

As shown in fig. 2 and 3, the water circulation assembly comprises a circulation water pipe 7 positioned in a cavity 6, the end part of the circulation water pipe 7 is fixedly connected with a water inlet pipe 5, the end part of the water inlet pipe 5 penetrates through the bottom plate 2 and extends to the outer wall of the bottom plate 2, the outer end is connected with a peripheral water source, and the other end of the circulation water pipe 7 is fixedly connected with a water outlet pipe 8 penetrating through the end part of the bottom plate 2.

Specifically, the distance between the bottom plate 2 and the steel billet is nearest, so that the heat conducted by the bottom plate 2 is higher, and the arrangement of the circulating water pipe 7 in the hollow cavity 6 of the bottom plate 2 can enable the bottom plate 2 to have a good cooling effect.

As shown in fig. 1, 2 and 3, an integral rod 91 is fixedly connected between two insert plates 9 at both ends of the base plate 2. By connecting the integral rod 91 between two co-oriented insert plates 9, four insert plates 9 can be divided into two groups for operation, increasing practicality.

As shown in fig. 4, the top surface of the board 9 is inclined. By means of the inclined arrangement of the top surface of the plugboard 9, the plugboard 9 can be gradually inserted along with the plugboard 9 when being inserted into the L-shaped plugboard 3, the L-shaped plugboard 3 can continuously rise, and therefore stability of the bottom plate 2 when the bottom of the box body 1 is connected can be conveniently achieved.

As shown in fig. 3, the two sides of the top of the L-shaped insert block 3 are provided with chamfer angles. The chamfer setting can make the grafting between slot 41 in L inserted block 3 and fixed block 4 smoother, plays certain guide effect.

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

Claims (6)

1. The utility model provides a steelmaking continuous casting cutting device, includes box (1) of connecting in cutting mechanism (11) and fixture (12) outside, its characterized in that, box (1) bottom is the opening setting, and bottom opening part joint is provided with bottom plate (2), and the both sides of bottom plate (2) are connected with the joint subassembly with box (1) joint, have seted up cavity (6) in bottom plate (2), and cavity (6) in-connection has hydrologic cycle subassembly.

2. The steelmaking continuous casting cutting device according to claim 1, wherein the clamping assembly comprises two L-shaped inserting blocks (3) fixedly connected to two ends of the bottom plate (2), two fixing blocks (4) corresponding to the two L-shaped inserting blocks (3) are fixedly connected to the outer walls of two ends of the box body (1), inserting grooves (41) are formed in the fixing blocks (4), the L-shaped inserting blocks (3) are arranged in an inserting mode with the inserting grooves (41), and inserting plates (9) are arranged at one ends, outside the inserting grooves (41), of the L-shaped inserting blocks (3) in an inserting mode.

3. The steelmaking continuous casting cutting device according to claim 1, wherein the water circulation assembly comprises a circulating water pipe (7) positioned in the cavity (6), the end part of the circulating water pipe (7) is fixedly connected with a water inlet pipe (5), the end part of the water inlet pipe (5) penetrates through the bottom plate (2) and extends to the outer wall of the bottom plate (2), the outer end is connected with a peripheral water source, and the other end of the circulating water pipe (7) is fixedly connected with a water outlet pipe (8) penetrating through the end part of the bottom plate (2).

4. A steelmaking continuous casting cutting apparatus as claimed in claim 2, wherein an integral rod (91) is fixedly connected between two insert plates (9) at both ends of the base plate (2).

5. A steelmaking continuous casting cutting apparatus as claimed in claim 2, wherein the top surface of the insert plate (9) is inclined.

6. The steelmaking continuous casting cutting device according to claim 2, wherein the two sides of the top of the L-shaped insert block (3) are provided with chamfer angles.