CN212917022U

CN212917022U - Rolling mill sliding plate structure with high wear resistance

Info

Publication number: CN212917022U
Application number: CN202021780902.9U
Authority: CN
Inventors: 张卫东
Original assignee: Jiyuan Huazhong Metallurgical Machinery Co ltd
Current assignee: Jiyuan Huazhong Metallurgical Machinery Co ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-04-09
Anticipated expiration: 2030-08-24

Abstract

A rolling mill sliding plate structure with high wear resistance comprises connecting bolts, an upper sliding plate, a lower sliding plate, positioning pins and connecting nuts, wherein first countersunk holes are uniformly distributed on the upper surface of the upper sliding plate, second countersunk holes are correspondingly distributed on the lower surface of the lower sliding plate, first pin holes are formed in the left rear end and the right front end of the upper sliding plate, second pin holes are correspondingly formed in the lower sliding plate, first bolt holes are also uniformly distributed on the upper sliding plate, and second bolt holes are correspondingly distributed on the lower sliding plate; the lubricating device is characterized in that an oil groove is formed in the upper surface of the upper sliding plate, an oil outlet is formed in the bottom of the oil groove, an upper lubricating oil channel is formed in the lower surface of the upper sliding plate, a lower lubricating oil channel is formed in the upper surface of the lower sliding plate, and the upper lubricating oil channel and the lower lubricating oil channel are in butt joint to form a complete lubricating oil channel with a round cross section. The utility model discloses when increasing slide working surface's hardness and wearability, also made things convenient for the processing of slide.

Description

Rolling mill sliding plate structure with high wear resistance

Technical Field

The utility model relates to a rolling mill structure, concretely relates to rolling mill slide structure with high wear resistance.

Background

In the process of metal rolling, the rolling mill is indispensable, and the slide is a part of protection rolling mill housing frame and working face, and at the course of the work of rolling mill, often can receive the impact during the slide, and the time of having a specified duration will produce wearing and tearing, influences the normal work of rolling mill, consequently need do wear-resisting treatment to the slide.

The prior scheme is that the sliding plate is lubricated by lubricating oil, for example, Chinese patent CN205020516U discloses a sliding plate for a rolling mill, which structurally comprises a base body, wherein one surface of the base body is a working surface, the other surfaces of the base body are non-working surfaces, a lubricating oil channel is arranged in the base body, the lubricating oil channel is provided with an oil filling hole and an oil outlet hole which are communicated with the outside, and the lubricating oil in the lubricating oil channel flows onto the working surface of the base body through the oil outlet hole, so that the abrasion among components is reduced; an oil storage groove is formed in the working surface of the base body, the shape of the oil storage groove is overlapped with the lubricating oil channel, and the oil outlet holes are distributed in the oil storage groove; the surface of the working surface of the base body is provided with a wear-resistant hardened layer.

Although the device can increase the hardness and the wear resistance of the working surface of the sliding plate, the lubricating oil channel is arranged inside the base body, so that the processing is difficult, and the wide popularization and the use are difficult.

SUMMERY OF THE UTILITY MODEL

The utility model provides a rolling mill slide structure with high wearability, aim at: the processing of the sliding plate is convenient while the hardness and the wear resistance of the working surface of the sliding plate are increased.

In order to achieve the above object, the present invention provides the following technical solutions:

a rolling mill sliding plate structure with high wear resistance comprises a connecting bolt, an upper sliding plate, a lower sliding plate, a positioning pin and a connecting nut, wherein the upper sliding plate and the lower sliding plate are stacked into a rectangular body from top to bottom, first counter bores are uniformly distributed on the upper surface of the upper sliding plate, second counter bores are correspondingly distributed on the lower surface of the lower sliding plate, the connecting bolt sequentially penetrates through the second counter bores and the first counter bores from bottom to top, the upper end of the connecting bolt is matched and connected with the connecting nut to connect the upper sliding plate and the lower sliding plate together, first pin holes are formed in the left rear end and the right front end of the upper sliding plate, second pin holes are correspondingly formed in the lower sliding plate, the positioning pin sequentially penetrates through the first pin holes and the second pin holes from top to bottom, and first bolt holes are uniformly distributed on the upper sliding plate, second bolt holes are correspondingly distributed on the lower sliding plate; the improved oil lubrication structure is characterized in that an oil groove is formed in the upper surface of the upper sliding plate, an oil outlet is formed in the bottom of the oil groove, an upper lubrication oil channel is formed in the lower surface of the upper sliding plate, the cross section of the upper lubrication oil channel is semicircular, the rear end of the upper lubrication oil channel is sealed, the front end of the upper lubrication oil channel extends to the front side face of the upper sliding plate, the oil outlet is communicated with the upper lubrication oil channel, a lower lubrication oil channel is formed in the upper surface of the lower sliding plate, the cross section of the lower lubrication oil channel is semicircular, the rear end of the lower lubrication oil channel is sealed, the front end of the lower lubrication oil channel extends to the front side face of the lower sliding plate, and the upper lubrication oil channel and the lower lubrication oil channel are in butt.

Further, the oil groove includes first oil groove, second oil groove and third oil groove, first oil groove with the third oil groove all sets up to oval and the two parallel arrangement, the second oil groove sets up to the linear type and communicates first oil groove with the third oil groove, the second oil groove interval sets up a plurality ofly, the oil outlet sets up first oil groove with the handing-over department of second oil groove or setting are in the third oil groove with the handing-over department of second oil groove.

Further, the upper lubricating oil channel and the lower lubricating oil channel are arranged in parallel and corresponding to the second oil groove.

Further, the upper surface of the upper sliding plate is provided with a wear-resistant layer.

Further, the side edge of the lower end face of the positioning pin is chamfered.

Compared with the prior art, the beneficial effects of the utility model are that: the sliding plate is divided into an upper sliding plate and a lower sliding plate to be processed separately, the single plate has small volume and less material consumption, and the requirements of the heat treatment process and the place are relatively simple, so that the processing cost is greatly reduced; the lubricating oil channel is divided into the upper lubricating oil channel and the lower lubricating oil channel, the lower surface of the upper sliding plate and the upper surface of the lower sliding plate are machined during machining, machining inside the block is not needed, machining difficulty is greatly reduced, and machining of the sliding plate is facilitated while hardness and wear resistance of the working surface of the sliding plate are increased.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on the provided drawings without creative efforts.

Fig. 1 is a schematic diagram of an explosive structure according to an embodiment of the present invention;

FIG. 2 is a schematic view of FIG. 1 from another perspective;

fig. 3 is an assembled view of fig. 1.

In the figure: 1. connecting bolt, 2, upper sliding plate, 201, first counter sink, 202, first bolt hole, 203, first pinhole, 204, go up lubricated oil duct, 3, lower sliding plate, 301, second counter sink, 302, second bolt hole, 303, second pinhole, 304, first oil groove, 305, second oil groove, 306, third oil groove, 307, lubricated oil duct down, 308, oil outlet, 4, locating pin, 5, coupling nut.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention.

Example (b): as shown in fig. 1, fig. 2 and fig. 3, the utility model provides a rolling mill slide structure with high wear resistance, connecting bolt 1 that include, go up slide 2, lower slide 3, locating pin 4 and coupling nut 5, it stacks for the cuboid to go up slide 2 and lower slide 3 from last to down, evenly distributed has first counter sink 201 on the upper surface of going up slide 2, the lower surface correspondence of lower slide 3 distributes and has second counter sink 301, connecting bolt 1 passes second counter sink 301 and first counter sink 201 by supreme lower in proper order, connecting bolt 1's upper end and coupling nut 5 cooperation are connected and are linked together last slide 2 and lower slide 3, closely link together the two, moreover, the steam generator is simple in structure, and convenient to use.

Go up the left back of slide 2, right front end angle department all is provided with first pinhole 203, the correspondence is provided with second pinhole 303 on the lower slide 3, locating pin 4 from top to bottom coordinates in proper order and penetrates first pinhole 203 and second pinhole 303 for go up the location between slide 2 and the lower slide 3, go up slide 2 and go up still evenly distributed and have first bolt hole 202, it has second bolt hole 302 to correspond to distribute on the lower slide 3, be used for the later stage to install whole slide on the equipment.

An oil groove is formed in the upper surface of the upper sliding plate 2, an oil outlet 308 is formed in the bottom of the oil groove, an upper lubricating oil channel 204 is formed in the lower surface of the upper sliding plate 2, the cross section of the upper lubricating oil channel 204 is semicircular, the rear end of the upper lubricating oil channel 204 is sealed, the front end of the upper lubricating oil channel 204 extends to the front side surface of the upper sliding plate 2, the oil outlet 308 is communicated with the upper lubricating oil channel 204, a lower lubricating oil channel 307 is formed in the upper surface of the lower sliding plate 3, the cross section of the lower lubricating oil channel 307 is semicircular, the rear end of the lower lubricating oil channel 307 is sealed, the front end of the lower lubricating oil channel 307 extends to the front side surface of the lower sliding plate 3, the upper lubricating oil channel 204 and the lower lubricating oil channel 307 are in butt joint to form a complete lubricating oil.

In one embodiment of the present invention, the oil grooves include a first oil groove 304, a second oil groove 305 and a third oil groove 306, the first oil groove 304 and the third oil groove 306 are both configured in an oval shape and are disposed in parallel, the second oil groove 305 is configured in a linear shape and communicates with the first oil groove 304 and the third oil groove 306, the second oil groove 305 is disposed in a plurality of intervals, the oil outlet 308 is disposed at the junction of the first oil groove 304 and the second oil groove 305 or at the junction of the third oil groove 306 and the second oil groove 305, so as to ensure that the lubricating oil can rapidly enter the first oil groove 304 and the third oil groove 306 from the oil outlet 308, because first oil groove 304 and third oil groove 306 all set up to the ellipse, whole oil groove does not have straight line corner, and the lubricating oil in first oil groove 304 and the third oil groove 306 can remove rapidly after the friction is accomplished, realizes evenly distributed once more in first oil groove 304 and third oil groove 306, makes things convenient for next time's lubrication.

On the basis of the above embodiment, the upper lubricating oil passage 204 and the lower lubricating oil passage 307 are both arranged in parallel and corresponding to the second oil groove 305, so that a plurality of lubricating oil passages are arranged, and the lubricating oil can be rapidly conveyed into the oil groove through the lubricating oil passages and the oil outlet 308.

The utility model discloses an in the embodiment, the upper surface of upper slide 2 is provided with wear-resisting layer, uses the wearability that increases the slide with the lubricating oil cooperation in the oil groove.

The utility model discloses an in the embodiment, the side chamfer angle setting of terminal surface under the locating pin 4, conveniently inserts first pinhole 203 and second pinhole 303 with locating pin 4 in to realize the fast assembly of top board 2 and lower slide 3, improve machining efficiency.

The utility model provides a rolling mill slide structure with high wearability, in the in-service use process, because wear-resisting material requires highly, difficult processing, whole board is bulky to lead to the high heat treatment technology and the high heat treatment furnace requires highly, cause the cost to multiply, the utility model discloses through split into slide 2 and the separate processing of lower slide 3, the monolithic is small, the material is few, heat treatment technology and place require relatively simply, thereby greatly reduce the processing cost, split the lubricating oil duct into upper lubricating oil 204 and lower lubricating oil duct 307, only need respectively to process at the lower surface of upper slide 2 and the upper surface of lower slide 3 during processing, need not to process in the block, greatly reduce the difficulty of processing, when increasing the hardness and the wearability of slide working surface, make things convenient for the processing of slide, after finishing upper slide 2 and lower slide 3, the two are firstly stacked together, then the positioning pin 4 is inserted, the upper sliding plate 2 and the lower sliding plate 3 are locked together by using the connecting bolt 1 and the connecting nut 5, then the assembled sliding plate is placed on a grinding machine for processing, the flatness is corrected, the sliding plate can be installed on equipment for use after the correction is finished, and the hardness and the wear resistance of the working surface of the sliding plate are increased, and meanwhile, the sliding plate is convenient to process.

The principle and the embodiment of the present invention have been explained by using specific examples, and the description of the above embodiments is only used to help understand the method and the core idea of the present invention, it should be pointed out that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and these modifications and modifications also fall into the protection scope of the claims of the present invention.

Claims

1. The rolling mill sliding plate structure with high wear resistance is characterized by comprising a connecting bolt (1), an upper sliding plate (2), a lower sliding plate (3), a positioning pin (4) and a connecting nut (5), wherein the upper sliding plate (2) and the lower sliding plate (3) are stacked into a rectangular body from top to bottom, first counter bores (201) are uniformly distributed on the upper surface of the upper sliding plate (2), second counter bores (301) are correspondingly distributed on the lower surface of the lower sliding plate (3), the connecting bolt (1) sequentially penetrates through the second counter bores (301) and the first counter bores (201) from bottom to top, the upper end of the connecting bolt (1) is connected with the connecting nut (5) in a matched manner, the upper sliding plate (2) is connected with the lower sliding plate (3), and first pin holes (203) are formed in the left rear end and the right front end of the upper sliding plate (2), the lower sliding plate (3) is correspondingly provided with second pin holes (303), the positioning pins (4) are sequentially matched and penetrated into the first pin holes (203) and the second pin holes (303) from top to bottom, first bolt holes (202) are uniformly distributed on the upper sliding plate (2), and second bolt holes (302) are correspondingly distributed on the lower sliding plate (3); an oil groove is arranged on the upper surface of the upper sliding plate (2), an oil outlet (308) is arranged at the bottom of the oil groove, an upper lubricating oil channel (204) is arranged on the lower surface of the upper sliding plate (2), the cross section of the upper lubricating oil channel (204) is semicircular, the rear end of the upper lubricating oil channel (204) is sealed, the front end of the upper lubricating oil channel (204) extends to the front side surface of the upper sliding plate (2), the oil outlet (308) is communicated with the upper lubricating oil channel (204), a lower lubricating oil channel (307) is arranged on the upper surface of the lower sliding plate (3), the cross section of the lower lubricating oil channel (307) is arranged to be semicircular, the rear end of the lower lubricating oil channel (307) is sealed, the front end of the lower lubricating oil channel (307) extends to the front side surface of the lower sliding plate (3), the upper lubricating oil channel (204) and the lower lubricating oil channel (307) are butted to form a complete lubricating oil channel with a circular cross section.

2. The rolling mill slide plate structure with high wear resistance according to claim 1, wherein the oil grooves comprise a first oil groove (304), a second oil groove (305) and a third oil groove (306), the first oil groove (304) and the third oil groove (306) are both provided in an elliptical shape and are arranged in parallel, the second oil groove (305) is provided in a straight line shape and communicates with the first oil groove (304) and the third oil groove (306), the second oil groove (305) is provided in a plurality at intervals, and the oil outlet hole (308) is provided at the junction of the first oil groove (304) and the second oil groove (305) or at the junction of the third oil groove (306) and the second oil groove (305).

3. Rolling mill skid structure with high wear resistance according to claim 2, characterized in that said upper oil gallery (204) and said lower oil gallery (307) are both arranged in parallel correspondence with said second oil groove (305).

4. Rolling mill skid structure with high wear resistance according to claim 1, characterized in that the upper surface of the upper skid (2) is provided with a wear resistant layer.

5. Rolling mill skid structure with high wear resistance according to claim 1, characterized in that the side edges of the lower end faces of the positioning pins (4) are chamfered.