Slab surface descaling mechanism

Abstract

The utility model discloses a plate blank surface descaling mechanism which comprises a dephosphorization box, a feeding port and a discharging port are formed in the left side and the right side of the dephosphorization box respectively, a slag discharging port is formed in the lower end of the dephosphorization box, an air injection assembly is arranged on the side, close to the feeding port, in the dephosphorization box, and an air outlet is formed in the side, close to the discharging port, in the dephosphorization box. A scale scraping assembly is arranged on the side, close to the discharging port, in the dephosphorization box, and a grinding assembly is further arranged between the air injection assembly and the scale scraping assembly in the dephosphorization box. The dephosphorization box is arranged, the air injection assembly, the scale scraping assembly and the polishing assembly are arranged on the dephosphorization box, iron sheets on the surface of a plate blank can be cleaned through cooperation of the air injection assembly, the scale scraping assembly and the polishing assembly, and cleaned iron sheet chippings can be collected by the dephosphorization box and finally discharged through the slag discharging opening in a unified mode. In this way, centralized treatment of the iron sheet chippings can be achieved, subsequent cleaning work of workers is omitted, and great convenience is brought to production.

Description

Technical Field

[0001] The utility model relates to the technical field of slab processing equipment, in particular to a slab surface descaling mechanism. Background Art

[0002] After the hot rolling of the slab is completed, a layer of iron oxide scale will be formed on its surface. This layer of iron oxide scale adheres to the surface of the slab. If it is not treated, the iron oxide scale will be pressed into the surface of the slab during the rough rolling, causing defects in the slab. Therefore, the slab needs to be cleaned before processing, and the operation of cleaning the iron oxide scale is dephosphorization. In the past, when dephosphorizing the slab, a high-pressure air gun was generally used to spray on the surface of the slab to blow away the iron oxide scale on the surface of the slab. In order to better clean the surface of the slab, some dephosphorization equipment sometimes also sets a group of grinding rollers to clean the surface of the slab. The cleaned iron oxide scale chips will be directly blown around the dephosphorization equipment. Due to the lack of centralized collection of the cleaned iron oxide scale, the staff also needs to clean the blown iron oxide scale chips, which brings great inconvenience to the production work. Utility Model Content

[0003] The purpose of the utility model is to avoid the deficiencies of the prior art and provide a slab surface descaling mechanism, thereby effectively solving the deficiencies in the prior art.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a slab surface descaling mechanism, including a dephosphorization box, wherein the dephosphorization box is respectively provided with a feed port and a discharge port on its symmetrical left and right sides, a slag discharge port is provided at the lower end of the dephosphorization box, an injection assembly is provided on the side close to the feed port in the dephosphorization box, a scraping assembly is provided on the side close to the discharge port in the dephosphorization box, and a grinding assembly is also provided between the injection assembly and the scraping assembly in the dephosphorization box.

[0005] Furthermore, the jet assembly includes two jet pipes that penetrate the dephosphorization box in the front-to-back direction, and the two jet pipes are respectively arranged on the upper and lower sides of the slab. A plurality of jet heads are arranged at the lower end of the upper jet pipe and the upper end of the lower jet pipe, and the jet heads are evenly distributed on the jet pipes in the front-to-back direction.

[0006] Furthermore, the nozzle is tilted on the nozzle pipe, and the nozzle is tilted toward one side of the discharge port.

[0007] Furthermore, the scraping assembly includes two mounting rods horizontally placed inside the dephosphorization box, the mounting rods are respectively arranged at the upper and lower ends of the dephosphorization box, and scraping plates are arranged on the opposite sides of the mounting rods, and the scraping plates at the upper and lower ends are respectively in contact with the upper and lower end surfaces of the slab.

[0008] Furthermore, the scale-scraping plate is provided with an oblique scraping edge at one end in contact with the slab.

[0009] Furthermore, the mounting rod is provided with an inserting groove on one side opposite to each other, the scale scraping plate is inserted into the inserting groove, and the connection between the mounting rod and the scale scraping plate is fixed by an easy-to-release locking pin.

[0010] Furthermore, the grinding assembly includes two rotating rollers horizontally arranged inside the dephosphorization box, the rotating rollers are respectively arranged at the upper and lower ends of the dephosphorization box, and disc brushes are sleeved on the outer side of the rotating rollers, and the disc brushes at the upper and lower ends are respectively in contact with the upper and lower ends of the slab.

[0011] Furthermore, the lower end of the dephosphorization box is a necked structure, and the slag discharge port is arranged at the lowermost end of the necked structure.

[0012] Furthermore, shielding curtains are hung on the upper ends of the feed inlet and the discharge outlet.

[0013] Furthermore, the lower end of the dephosphorization box is provided with supporting legs.

[0014] The above technical scheme of the utility model has the following beneficial effects: the utility model sets up a dephosphorization box, and equips the dephosphorization box with a jet assembly, a scale scraping assembly and a grinding assembly. The three can cooperate to clean the iron sheet on the surface of the slab, and the cleaned iron sheet debris will be collected by the dephosphorization box and finally discharged uniformly through the slag discharge port. This not only can realize the centralized treatment of the iron sheet debris, but also saves the subsequent cleaning work of the staff, bringing great convenience to the production. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main cross-sectional structure of an embodiment of the utility model;

[0016] Figure 2 This is a schematic cross-sectional structure diagram of a scale scraping assembly according to an embodiment of the utility model;

[0017] Figure 3 for Figure 2 Enlarged view of point A in the middle. DETAILED DESCRIPTION

[0018] In order to more clearly understand the above-mentioned purposes, features and advantages of the utility model, the utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0019] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0020] like Figure 1-3 As shown, a slab surface descaling mechanism described in this embodiment includes a dephosphorization box 1, and the dephosphorization box 1 is respectively provided with a feed port 11 and a discharge port 12 on its symmetrical left and right sides, a slag discharge port 13 is provided at the lower end of the dephosphorization box 1, an injection assembly 2 is provided on the side close to the feed port 11 in the dephosphorization box 1, a scraping assembly 3 is provided on the side close to the discharge port 12 in the dephosphorization box 1, and a grinding assembly 4 is also provided between the injection assembly 2 and the scraping assembly 3 in the dephosphorization box 1.

[0021] The jet assembly 2 includes two jet pipes 21 that penetrate the dephosphorization box 1 in the front-to-back direction. The two jet pipes 21 are respectively arranged on the upper and lower sides of the slab. A plurality of jet heads 22 are arranged at the lower end of the upper jet pipe 21 and the upper end of the lower jet pipe 21. The jet heads 22 are evenly distributed on the jet pipe 21 in the front-to-back direction.

[0022] The air jet head 22 is tilted on the air jet pipe 21 , and the air jet head 22 is tilted toward the discharge port 12 .

[0023] The scraping assembly 3 includes two mounting rods 31 horizontally placed inside the dephosphorization box 1. The mounting rods 31 are respectively arranged at the upper and lower ends of the dephosphorization box 1. Scraping plates 32 are arranged on the opposite sides of the mounting rods 31. The scraping plates 32 at the upper and lower ends are respectively in contact with the upper and lower end surfaces of the slab.

[0024] The scale-scraping plate 32 is provided with an oblique scraping edge at one end in contact with the slab.

[0025] The mounting rod 31 is provided with an inserting groove on one side opposite to each other, and the scale scraping plate 32 is inserted into the inserting groove. The connection between the mounting rod 31 and the scale scraping plate 32 is fixed by an easy-to-release locking pin 5.

[0026] The unlocking pin 5 includes a pin rod 51 that penetrates the connection between the mounting rod 31 and the scraper plate 32 at the same time. A rod head 52 is arranged on the left side of the pin rod 51. The rod head 52 is arranged in contact with the side wall of the mounting rod 31. A protruding head 53 extending to the outside of the mounting rod 31 is arranged at the right end of the pin rod 51. The diameter of the protruding head 53 is smaller than the diameter of the pin rod 51. A limiting ring 54 is sleeved on the protruding head 53. The outer diameter of the limiting ring 54 is the same as the diameter of the pin rod 51. The inner diameter of the limiting ring is larger than the diameter of the protruding head 53. A locking cap 55 is arranged on the right end of the protruding head 53. A screw 56 is arranged at one end of the locking cap 55 connected to the protruding head 53. A threaded hole is arranged at the right end of the protruding head 53. The screw 56 of the locking cap 55 is screwed into the threaded hole of the protruding head 53. The tightening of the locking cap 55 will lock the limiting ring 54 is clamped at the raised head 53. During installation, the scraper plate 32 is plugged into the mounting rod 31, and then the pin rod 51 of the unlocking pin 5 is used to penetrate the connection between the two. When the rod head 52 is in contact with the side wall on the left side of the mounting rod 31, the raised head 53 at the right end of the pin rod 51 is just fully extended on the right side of the mounting rod 31. At this time, the locking cap 55 is loosened to release the restriction on the limiting ring 54, and then the limiting ring 54 is moved so that its inner wall contacts one side of the raised head 53. At this time, the limiting ring 54 extends to the outside of the pin rod 51, that is, the limiting ring 54 is in an eccentric state relative to the axis of the pin rod 51, and then the locking cap 55 is tightened to clamp and fix the eccentric limiting ring 54, so that the unlocking pin 5 cannot be removed, thereby completing the installation of the scraper plate 32.

[0027] The grinding assembly 4 includes two rotating rollers 41 horizontally placed inside the dephosphorization box 1. The rotating rollers 41 are arranged at the upper and lower ends of the dephosphorization box 1. Disc brushes 42 are sleeved on the outer side of the rotating rollers 41. The disc brushes 42 at the upper and lower ends are in contact with the upper and lower ends of the slab respectively.

[0028] The lower end of the dephosphorization box 1 is a constricted structure, and the slag discharge port 13 is arranged at the lowermost end of the constricted structure. The constricted structure facilitates the falling of oxidized iron scale and avoids its accumulation inside the descaling box.

[0029] Shielding curtains 6 are hung on the upper ends of the feed inlet 11 and the discharge outlet 12 , and the shielding curtains 6 can prevent the cleaned iron oxide scale from splashing to the outside of the descaling box 1 .

[0030] The lower end of the dephosphorization box 1 is provided with supporting legs 7 .

[0031] The working principle of the utility model is as follows: a descaling box 1 is placed between two slab conveying mechanisms, the slab is conveyed by the conveying device and enters at the feed port 11 of the descaling box 1, and as the slab moves, the jet assembly 2, the scraping assembly 3 and the grinding assembly 4 in the descaling box 1 will work simultaneously, firstly, the jet head 22 on the jet assembly 2 will spray high-pressure gas, and the high-pressure gas will be sprayed on the upper and lower ends of the slab, so as to blow off the iron oxide on the slab, and then the slab will contact the disc brush 42 on the grinding assembly 4, and the disc brush 42 will rotate and clean the upper and lower end surfaces of the slab, so as to clean the iron oxide that has not been blown off, and then the slab will pass through the right side of the descaling box 1 The scraping plates 32 at the upper and lower ends will scrape the upper and lower end surfaces of the slab, so as to clean up all the residual iron oxide scale, thereby greatly improving the descaling effect of the slab and avoiding the residue of iron oxide scale. In this way, when the slab passes through the descaling box 1, the iron oxide scale on its surface will be completely cleaned, and the cleaned iron oxide scale will fall in the descaling box 1, and the fallen iron oxide scale will be discharged along the slag discharge port 13. A recovery cylinder can be placed at the lower end of the slag discharge port 13 to centrally recover the cleaned iron oxide scale, which can avoid the splashing of iron oxide scale, not only ensuring the environment of the processing workshop, but also reducing the workload of the staff.

[0032] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A slab surface descaling mechanism, characterized in that: The invention comprises a dephosphorization box, wherein the dephosphorization box is provided with a feed port and a discharge port on its symmetrical left and right sides respectively, a slag discharge port is provided at the lower end of the dephosphorization box, an air jet assembly is provided on the side close to the feed port in the dephosphorization box, a scale scraping assembly is provided on the side close to the discharge port in the dephosphorization box, and a grinding assembly is provided between the air jet assembly and the scale scraping assembly in the dephosphorization box.

2. A slab surface descaling mechanism according to claim 1, characterized in that: The jet assembly includes two jet pipes penetrating the dephosphorization box in the front-to-back direction. The two jet pipes are respectively arranged on the upper and lower sides of the slab. A plurality of jet heads are arranged at the lower end of the upper jet pipe and the upper end of the lower jet pipe. The jet heads are evenly distributed on the jet pipes in the front-to-back direction.

3. A slab surface descaling mechanism according to claim 2, characterized in that: The jet head is tilted on the jet pipe, and the jet head is tilted toward one side of the discharge port.

4. A slab surface descaling mechanism according to claim 1, characterized in that: The scraping assembly includes two mounting rods horizontally placed inside the dephosphorization box, the mounting rods are arranged at the upper and lower ends of the dephosphorization box, and scraping plates are arranged on the opposite sides of the mounting rods, and the scraping plates at the upper and lower ends are in contact with the upper and lower end surfaces of the slab respectively.

5. A slab surface descaling mechanism according to claim 4, characterized in that: The scale-scraping plate is provided with an oblique scraping edge at one end in contact with the slab.

6. A slab surface descaling mechanism according to claim 5, characterized in that: The installation rod is provided with an inserting groove on one side opposite to each other, the scale scraping plate is inserted into the inserting groove, and the connection between the installation rod and the scale scraping plate is fixed by an easy-to-release locking pin.

7. A slab surface descaling mechanism according to claim 1, characterized in that: The grinding assembly includes two rotating rollers horizontally placed inside the dephosphorization box. The rotating rollers are arranged at the upper and lower ends of the dephosphorization box. Disc brushes are sleeved on the outer sides of the rotating rollers. The disc brushes at the upper and lower ends contact the upper and lower ends of the slab respectively.

8. The slab surface descaling mechanism according to claim 1, characterized in that: The lower end of the dephosphorization box is a necked structure, and the slag discharge port is arranged at the lowermost end of the necked structure.

9. A slab surface descaling mechanism according to claim 1, characterized in that: Shielding curtains are hung on the upper ends of the feed inlet and the discharge outlet.

10. The slab surface descaling mechanism according to claim 1, characterized in that: The lower end of the dephosphorization box is provided with supporting legs.

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