CN218927462U

CN218927462U - Horizontal automatic shot blasting production line for steel belts

Info

Publication number: CN218927462U
Application number: CN202223321906.2U
Authority: CN
Inventors: 张俊峰; 连举; 白根有; 张文杰; 马延民
Original assignee: Xinzheng Zhongbo Special Steel Products Co ltd
Current assignee: Xinzheng Zhongbo Special Steel Products Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-04-28
Anticipated expiration: 2032-12-12

Abstract

The utility model discloses a horizontal automatic shot blasting production line for a steel belt, and belongs to the technical field of steel belt treatment; the horizontal automatic shot blasting production line for the steel belt comprises a base, wherein a supporting rod, a guide mechanism, a continuous annealing furnace, a horizontal shot blasting machine, an acid pickling machine and a winding device are sequentially arranged on the base, the continuous annealing furnace comprises an annealing furnace frame body, a conveying roller conveying belt is arranged on the inner side of the annealing furnace frame body, an annealing furnace body is arranged at the top of the annealing furnace frame body, the annealing furnace body is positioned at one end, close to a feed inlet, of the conveying roller conveying belt, a cooling box is arranged at one end, far away from the feed inlet of the conveying roller conveying belt, of the annealing furnace body, a plurality of first air inlet pipes are arranged on the cooling box at intervals along the conveying direction of the conveying roller conveying belt, and the air supply quantity of the first air inlet pipes is gradually increased along the conveying direction of the conveying roller conveying belt; the utility model has the advantages of more uniform cooling of the steel belt and more thorough elimination of residual stress of the steel belt.

Description

Horizontal automatic shot blasting production line for steel belts

Technical Field

The utility model relates to the technical field of steel belt treatment, in particular to a horizontal automatic shot blasting production line for steel belts.

Background

The existing steel belt shot blasting machine is mainly a vertical shot blasting machine, and the vertical shot blasting machine has the advantages that: the occupied space is small, the internal stress of the steel strip is cleaned in time, the fatigue resistance of the workpiece is improved, the paint adhesion force of the workpiece in paint spraying is increased, and finally the purposes of improving the surface and the internal quality of the workpiece are achieved.

In the Chinese patent document with the patent number of CN202123129716.6, a horizontal automatic shot blasting production line for steel belts is provided, and the clamping mechanism in the utility model enables an unreeling roller to be fixed on a supporting rod, so that the steel belts are unreeled conveniently, and the steel belts enter an annealing furnace horizontally through a guiding mechanism to be heated and then enter a cooling box to be cooled, so that the hardness of the steel belts is reduced, the residual stress is eliminated, the deformation is reduced, the steel belts are mechanically cleaned through a horizontal shot blasting machine and then enter an acid cleaning machine to be subjected to acid cleaning treatment, and the quality of steel belt treatment is improved.

However, this solution also has the following drawbacks: after the common annealing furnace is used for annealing the steel strip, the steel strip needs to be naturally cooled for a long time under normal conditions, and the common cooling box is used for directly cooling the heated steel strip, so that uneven distribution of internal structure tissues of the steel strip can still be caused, and residual stress is generated.

Disclosure of Invention

The utility model aims to solve the problem that uneven cooling and residual stress are generated when a cooling box cools a steel belt which is heated at a low temperature in the prior art, and provides a horizontal automatic shot blasting production line for the steel belt.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a horizontal automatic shot-blasting production line of steel band, includes the base, be provided with bracing piece, guiding mechanism, continuous annealing stove, horizontal shot-blasting machine, pickling machine, coiling mechanism on the base in proper order, continuous annealing stove includes annealing stove support body, the inboard of annealing stove support body is provided with the conveying roller conveyer belt, the top of annealing stove support body is provided with the annealing stove furnace body, the annealing stove furnace body is located the one end that is close to the feed inlet on the conveying roller conveyer belt, the one end that keeps away from the feed inlet of conveying roller conveyer belt on the annealing stove furnace body is provided with the cooler bin, be provided with a plurality of first air-supply pipes on the cooler bin, a plurality of first air-supply pipes are arranged along the direction of delivery of conveying roller conveyer belt interval, the air supply volume of first air-supply pipe increases gradually along the direction of conveying roller conveyer belt.

Further, the first air inlet pipe is positioned below the conveying roller conveying belt, the first air inlet pipe is arranged on the side wall of the annealing furnace frame body, and a first exhaust pipe is arranged on the side wall, opposite to the first air inlet pipe, of the annealing furnace frame body.

Further, a second air inlet pipe is arranged on one side wall of the cooling box and located above the conveying roller conveying belt, and a second exhaust pipe is arranged on one side wall, far away from the second air inlet pipe, of the cooling box.

Further, the first air inlet pipe and the second air inlet pipe are respectively positioned at two sides of the conveying belt of the conveying roller.

Further, the annealing furnace body comprises a heating area and a heat preservation area, wherein the heating area is close to one side of a feed inlet of the conveying roller conveying belt, and the heat preservation area is communicated with the cooling box.

Further, a first heating device is arranged at the bottom of the annealing furnace body.

Further, a second heating device is arranged at the top of the annealing furnace body.

Compared with the prior art, the utility model provides a horizontal automatic shot blasting production line for steel belts, which has the following beneficial effects:

according to the horizontal automatic shot blasting production line for the steel belt, after annealing and heating of the steel belt are completed in the annealing furnace body, the steel belt enters the cooling box, the air supply amount of the first air inlet pipe is gradually increased along the conveying direction of the conveying roller conveying belt, so that the heated steel belt is gradually cooled, the temperature of the steel belt is reduced linearly, and residual stress caused by large temperature difference between the annealing furnace and the cooling box is avoided.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows; and will be apparent to those skilled in the art in part based upon a review of the following; alternatively, the teachings may be directed to practice of the present utility model.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the continuous annealing furnace of the present utility model.

In the figure:

1. a base; 2. a support rod; 3. a guide mechanism; 4. a continuous annealing furnace; 5. horizontal shot blasting machine; 6. a pickling machine; 7. a winding device; 8. an annealing furnace frame body; 9. a conveyor roller conveyor belt; 10. an annealing furnace body; 11. a first heating device; 12. a second heating device; 13. a first air inlet pipe; 14. a second air inlet pipe; 15. and a second exhaust duct.

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.

Referring to fig. 1-2, the horizontal automatic shot blasting production line for the steel strip comprises a base 1, wherein a supporting rod 2, a guide mechanism 3, a continuous annealing furnace 4, a horizontal shot blasting machine 5, a pickling machine 6 and a winding device 7 are sequentially arranged on the base 1, an unreeling roller for winding the steel strip is rotatably arranged on the supporting rod 2, the steel strip passes through the guide mechanism 3 after being discharged from the supporting rod 2, the guide mechanism 3 horizontally enters the continuous annealing furnace 4, annealing heating and annealing cooling are carried out in the annealing furnace 4, residual stress in the steel strip is eliminated, the steel strip enters the horizontal shot blasting machine 5 for shot blasting operation, the surface of the steel strip is mechanically cleaned and processed, the steel strip enters the pickling machine 6 for rust prevention treatment, and the processed steel strip is wound on the winding device 7;

specifically, the continuous annealing furnace 4 comprises an annealing furnace frame body 8, a conveying roller conveying belt 9 is arranged on the inner side of the annealing furnace frame body 8, steel belts travel on the conveying roller conveying belt 9, an annealing furnace body 10 is arranged at the top of the annealing furnace frame body 8, annealing heating and heat preservation are carried out in the annealing furnace body 10, a first heating device 11 is arranged at the bottom of the annealing furnace body 10, annealing heating is carried out from the upper surface of the steel belts, a second heating device 12 is arranged at the top of the annealing furnace body 10, annealing heating is carried out from the lower surface of the steel belts, heating is more uniform, and the internal organization structure of the steel belts is more uniform.

The annealing furnace body 10 comprises a heating area and a heat preservation area, the heating area is close to one side of a feed inlet of the conveying roller conveyer belt 9, the heat preservation area is communicated with the cooling box, the lengths of the heating area and the heat preservation area are selected according to practical conditions, when the steel belt advances in the heating area, the heating device can heat the steel belt to an annealing temperature, and when the steel belt advances in the heat preservation area, the steel belt is kept at the annealing temperature for a preset time, so that the organization structure in the steel belt is fully homogenized.

The annealing furnace body 10 is positioned at one end of the conveying roller conveyer belt 9 close to the feeding port, a cooling box is arranged at one end of the annealing furnace body 10 far away from the feeding port of the conveying roller conveyer belt 9 to cool the annealed and heated steel strip,

specifically, a plurality of first air inlet pipes 13 are arranged on the cooling box, the first air inlet pipes 13 are distributed at intervals along the conveying direction of the conveying roller conveying belt 9, and the air supply quantity of the first air inlet pipes 13 is gradually increased along the conveying direction of the conveying roller conveying belt 9, so that the heat dissipation speed of the steel belt is gradually increased in the running process, the temperature is linearly reduced, and the time requirement for eliminating stress is met.

The first air inlet pipe 13 is located below the conveyor belt 9, the first air inlet pipe 13 is mounted on a side wall of the annealing furnace frame 8, a first exhaust pipe (not shown) is mounted on a side wall of the annealing furnace frame 8 opposite to the first air inlet pipe 13, and ventilation cooling is performed from below the steel strip.

A second air inlet pipe 14 is arranged on one side wall of the cooling box, the second air inlet pipe 14 is positioned above the conveying roller conveying belt 9, a second exhaust pipe 15 is arranged on one side wall of the cooling box far away from the second air inlet pipe 14, and ventilation, cooling and cooling are performed simultaneously from the upper surface and the lower surface of the steel belt, so that the temperature change of the upper surface and the lower surface of the steel belt is more uniform.

The first air inlet pipe 13 and the second air inlet pipe 14 are respectively positioned at two sides of the conveying roller conveyer belt 9, so that the temperature change at the left side and the right side of the steel belt is more uniform.

Working principle: the unreeling roller for reeling the steel belt is arranged on the supporting rod 2, the steel belt led out from the unreeling roller passes through the guide mechanism 3 and then enters the continuous annealing furnace 4 for annealing, heating and cooling, residual stress in the steel belt is eliminated, the steel belt with the residual stress eliminated enters the horizontal shot blasting machine 5 for surface mechanical treatment, then enters the pickling machine 6 for rust prevention treatment, and the treated steel belt is reeled on the reeling device 7.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims

1. The utility model provides a horizontal automatic shot blasting production line of steel band, includes base (1), be provided with bracing piece (2), guiding mechanism (3), continuous annealing stove (4), horizontal shot-blasting machine (5), pickling machine (6), coiling mechanism (7) on base (1) in proper order, its characterized in that, continuous annealing stove (4) are including annealing stove support body (8), the inboard of annealing stove support body (8) is provided with conveying roller conveyer belt (9), the top of annealing stove support body (8) is provided with annealing stove furnace body (10), annealing stove furnace body (10) are located the one end that is close to the feed inlet on conveying roller conveyer belt (9), the one end of keeping away from the feed inlet of conveying roller conveyer belt (9) on annealing stove (10) is provided with the cooler bin, be provided with a plurality of first air-supply pipes (13) on the cooler bin, the air supply volume of a plurality of first air-supply pipes (13) is along the direction interval of conveying roller conveyer belt (9) increases gradually.

2. The horizontal automatic shot blasting production line for steel belts according to claim 1, wherein the first air inlet pipe (13) is located below the conveying roller conveying belt (9), the first air inlet pipe (13) is installed on the side wall of the annealing furnace frame body (8), and a first exhaust pipe is installed on the side wall, opposite to the first air inlet pipe (13), of the annealing furnace frame body (8).

3. The horizontal automatic shot blasting production line for steel belts according to claim 2, wherein a second air inlet pipe (14) is arranged on one side wall of the cooling box, the second air inlet pipe (14) is positioned above the conveying roller conveying belt (9), and a second exhaust pipe (15) is arranged on one side wall, far away from the second air inlet pipe (14), of the cooling box.

4. A horizontal automatic shot-blasting line for steel strips according to claim 3, characterized in that the first air inlet pipe (13) and the second air inlet pipe (14) are respectively located at both sides of the conveyor belt (9).

5. The horizontal automatic shot blasting line for steel strips according to claim 1, wherein the annealing furnace body (10) comprises a heating zone and a heat preservation zone, the heating zone is close to one side of a feed inlet of a conveying roller conveyer belt (9), and the heat preservation zone is communicated with a cooling box.

6. The horizontal automatic shot blasting line for steel strips according to claim 1, wherein a first heating device (11) is arranged at the bottom of the annealing furnace body (10).

7. The horizontal automatic shot blasting line for steel strips according to claim 6, wherein a second heating device (12) is arranged at the top of the annealing furnace body (10).