Alloy steel working roll with high transmission precision

Abstract

The utility model discloses an alloy steel working roll with high transmission precision, which relates to the technical field of working rolls and comprises a working roll body. The working roll body comprises a shaft core; a plurality of cooling holes are formed in the shaft core; the two ends of the shaft core are integrated with the first matching end and the second matching end respectively; wherein; a rectangular groove facilitating installation of the first matching connector is formed in the end, away from the shaft core, of the first matching end. A plurality of counter bores are formed in the surface of the first matching end; a shaft hole and a key groove facilitating installation of the rotating shaft and the installation pin are formed in the end, away from the shaft core, of the second matching end. During use, the first matching end is matched with the first matching connector through the rectangular groove and is fixed through the bolt, so that the end part of the first matching end can be mounted on a non-standard fixing device, and the shaft hole and the key groove formed in the end part of the second matching end are effectively matched with the rotating shaft and the mounting pin; the connection between the working roll body and the driving device is realized.

Description

TECHNICAL FIELD

[0001] The utility model provides a kind of alloy steel work roll of high transmission precision, and specifically relates to work roll technical field. BACKGROUND

[0002] The alloy steel work roll of high transmission precision has important applications in multiple industrial fields. In the production of cold-rolled and hot-rolled steel plates, aluminum plates, etc., it can accurately control the thickness, flatness and surface quality of the plates. By cooperating with backup rolls, it applies pressure to metal blanks to make them plastically deform, ensuring that the thickness tolerance of the rolled plates is controlled within a very small range. In the rolling process of seamless steel pipes and other tubular products, the alloy steel work roll can ensure the uniformity of the outer diameter and wall thickness of the pipes and their roundness, improve the dimensional accuracy and surface quality of the pipes, and meet the strict quality requirements of the petroleum, chemical and other industries. It can make the surface of paper smoother and flatter, improve the gloss and printing suitability of paper, and accurately control the calendering effect of paper by adjusting the pressure and speed of the work roll, reduce the roughness of the paper surface, and improve the gloss, to meet the quality requirements of different printed products.

[0003] The existing alloy steel work roll can only be installed in standard fixed installations at both ends. In the production process, the environment of the work roll is different, and the device used for fixation is also different. Therefore, the traditional work roll cannot effectively meet the different installation needs.

[0004] After searching, Chinese Patent Publication No. CN201721240970.4 discloses a work roll. The work roll includes a main body, two inwardly recessed bearing mounting holes are provided at both ends of the main body, bearings are provided in the bearing mounting holes, the work roll further includes a connecting part, the connecting part is provided with two connecting parts respectively provided at both ends of the main body, and the inner end of the connecting part is embedded in the center hole of the bearing. The outer end of the connecting part extends outside the main body.

[0005] The work roll in the above-mentioned patent has a bearing mounting hole at one end for convenient bearing installation. The connecting part cooperates with the bearing to realize connection with the work roll. The work roll in the above-mentioned patent can only be installed with standard support devices, which limits the work roll in the working process and cannot effectively meet different production needs. UTILITY MODEL CONTENTS

[0006] The utility model discloses a high transmission precision alloy steel work roll, in this structure, the first cooperation end and the second cooperation end of both ends of the axle core are respectively matched with the first cooperation connecting head and the bearing, so that the first cooperation connecting head and the bearing have certain difference, so that when installing, the work roll can be installed in different fixing devices, and the axle core is also provided with cooling holes, so that the work roll can also realize the cooling effect of the axle core in the working process, thereby improving the use efficiency of the work roll.

[0007] To realize the above-mentioned purpose, the utility model provides the following technical scheme:

[0008] A high transmission precision alloy steel work roll, comprising a work roll body; the work roll body comprises an axle core; the axle core is provided with a plurality of cooling holes; the both ends of the axle core are respectively integrally provided with a first cooperation end and a second cooperation end; wherein; the first cooperation end is provided with a rectangular groove at one end away from the axle core for facilitating installation of a first cooperation connecting head; the first cooperation end is provided with a plurality of counterbores on the surface;

[0009] The second cooperation end is provided with an axle hole and a key groove at one end away from the axle core for facilitating installation of a rotating shaft and a mounting pin; through cooperation of the key groove and the mounting pin, the rotating shaft and the axle hole are firmly matched;

[0010] As a further technical scheme of the utility model, the surface of the axle core is provided with an anti-fatigue wear layer, a corrosion-resistant layer and a wear-resistant layer from the inside to the outside; wherein the wear-resistant layer is provided with a plurality of grooves;

[0011] As a further technical scheme of the utility model, the rotating shaft and the mounting pin are integrally provided; the rotating shaft is connected with a driving device;

[0012] As a further technical scheme of the utility model, the surfaces of the first cooperation end and the second cooperation end are both fixedly installed in a bearing;

[0013] As a further technical scheme of the utility model, the first cooperation connecting head is fixedly installed in the first cooperation end through a bolt; the bolt is installed in the counterbores provided on the surface of the first cooperation end;

[0014] As a further technical scheme of the utility model, the surface of the wear-resistant layer is divided into a plurality of rhombic blocks through the grooves;

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] The utility model discloses, in using, the first cooperation end passes through rectangular groove and first cooperation connector cooperation, and is fixed through bolt, like this can realize the end of first cooperation end installs on non - standard fixed device, and the shaft hole and keyway of the second cooperation end end part are effectively cooperated with the rotating shaft and the mounting pin, realize the connection between the work roll body and drive arrangement.

[0017] The utility model discloses, in transmission, the bearing of first cooperation end and second cooperation end is installed and effectively rolls, realizes the transmission effect between multiple work roll bodies.

[0018] The utility model discloses, the surface of axle core is from inside to outside set with anti -fatigue wear layer, anticorrosive layer and wear -resisting layer in proper order, effectively guarantee the work efficiency of work roll body, avoid the damage of work roll body surface in the working process, cause the influence to processing accuracy, still set up cooling hole in the inside of axle core, guarantee when the temperature of the inside of axle core is higher in the working process, can realize the cooling effect of axle core, further guarantee the processing efficiency and work quality of work roll body. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.

[0020] Figure 2 It is the side view of the utility model Figure 1 .

[0021] Figure 3 It is the A-A section view of the utility model Figure 2 .

[0022] Figure 4 It is the split schematic diagram of the utility model Figure 1 .

[0023] Figure 5 It is the three-dimensional structure schematic diagram of work roll body in the utility model Figure 4 .

[0024] Figure 6 It is the A place local structure enlarged view in the utility model Figure 3 .

[0025] In the drawing: 1 - first cooperation connector, 2 - work roll body, 20 - sink groove, 21 - wear -resisting layer, 22 - first cooperation end, 23 - bearing, 24 - axle core, 25 - second cooperation end, 26 - cooling hole, 27 - rectangular groove, 28 - counterbore, 29 - shaft hole, 210 - anticorrosive layer, 211 - anti -fatigue wear layer, 3 - rotating shaft, 4 - mounting pin, 5 - bolt. DETAILED DESCRIPTION

[0026] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0027] Please refer to Figures 1-6 In the embodiment of the present application, an alloy steel work roll with high transmission precision comprises a work roll body 2; the work roll body 2 comprises a shaft core 24; a plurality of cooling holes 26 are formed in the shaft core 24; the shaft core 24 is integrally provided with a first matching end 22 and a second matching end 25 at both ends; wherein, a rectangular groove 27 for facilitating installation of a first matching connector 1 is formed in the end of the first matching end 22 away from the shaft core 24; a plurality of counterbores 28 are formed in the surface of the first matching end 22;

[0028] The second matching end 25 is integrally provided with a shaft hole 29 and a key groove for facilitating installation of a shaft 3 and a mounting pin 4 in the end away from the shaft core 24;

[0029] The surface of the shaft core 24 is provided with an anti-fatigue wear layer 211, a corrosion-resistant layer 210 and a wear-resistant layer 21 from the inside to the outside; a plurality of grooves 20 are formed in the wear-resistant layer 21.

[0030] By adopting the above technical solution, in use, the first matching end 22 is matched with the first matching connector 1 through the rectangular groove 27, and is fixed by a bolt 5, so that the end of the first matching end 22 can be installed on a non-standard fixing device, the shaft hole 29 and the key groove formed in the end of the second matching end 25 are effectively matched with the shaft 3 and the mounting pin 4, and the connection between the work roll body 2 and the driving device is realized.

[0031] In the embodiment, the shaft 3 and the mounting pin 4 are integrally provided; the shaft 3 is connected with the driving device;

[0032] The surfaces of the first matching end 22 and the second matching end 25 are fixedly installed in the bearing 23

[0033] By adopting the above technical solution, in transmission, the bearing 23 installed on the first matching end 22 and the second matching end 25 is effectively rolled, and the transmission effect between the plurality of work roll bodies 2 is realized.

[0034] Furthermore, the first matching connector 1 is fixedly installed with the first matching end 22 by the bolt 5; the bolt 5 is installed in the counterbores 28 formed in the surface of the first matching end 22;

[0035] In the embodiment, the surface of the wear-resistant layer 21 is divided into a plurality of diamond blocks by the grooves 20.

[0036] By adopting the above technical scheme, the surface of the shaft core 24 is sequentially provided with the anti-fatigue wear layer 211, the anticorrosive layer 210 and the wear-resistant layer 21 from inside to outside, so as to effectively ensure the working efficiency of the work roll body 2, avoid the damage of the surface of the work roll body 2 during the working process, and cause the influence on the machining precision.

[0037] The working principle of the utility model is: in use, the first matching end 22 is matched with the first matching connector 1 through the rectangular groove 27, and is fixed through the bolt 5, so that the end of the first matching end 22 can be installed on the non-standard fixing device, the shaft hole 29 and the key groove formed in the end of the second matching end 25 are effectively matched with the rotating shaft 3 and the mounting pin 4, and the connection between the work roll body 2 and the driving device is realized.

[0038] During transmission, the bearings 23 installed on the first matching end 22 and the second matching end 25 are effectively rolled, and the transmission effect between the plurality of work roll bodies 2 is realized.

[0039] The surface of the shaft core 24 is sequentially provided with the anti-fatigue wear layer 211, the anticorrosive layer 210 and the wear-resistant layer 21 from inside to outside, so as to effectively ensure the working efficiency of the work roll body 2, avoid the damage of the surface of the work roll body 2 during the working process, and cause the influence on the machining precision.

[0040] It is obvious for those skilled in the art that the utility model is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims.

[0041] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature or implementation described herein. The specification can include implicit combinations of explicitly mentioned features and / or implicit combinations of implicitly mentioned features. Such combinations are also expressly included within the scope of the specification and an embodiment.

Claims

1. A high-precision alloy steel work roller, characterized in that: The device includes a work roll body (2); the work roll body (2) includes a shaft core (24); the shaft core (24) has multiple cooling holes (26); the two ends of the shaft core (24) are integrally formed with a first mating end (22) and a second mating end (25); wherein, the end of the first mating end (22) away from the shaft core (24) has a rectangular groove (27) for easy installation of the first mating connector (1); the surface of the first mating end (22) has multiple countersunk holes (28); The second mating end (25) away from the shaft core (24) has a shaft hole (29) and a keyway for easy installation of the rotating shaft (3) and the mounting pin (4).

2. The alloy steel work roller with high transmission accuracy according to claim 1, characterized in that: The shaft core (24) has an anti-fatigue wear layer (211), an anti-corrosion layer (210) and a wear-resistant layer (21) on one side from the inside to the outside; wherein the wear-resistant layer (21) has multiple grooves (20).

3. The alloy steel work roller with high transmission accuracy according to claim 1, characterized in that: The rotating shaft (3) and the mounting pin (4) are integrally formed; the rotating shaft (3) is connected to the drive device.

4. The alloy steel work roller with high transmission accuracy according to claim 3, characterized in that: The surfaces of the first mating end (22) and the second mating end (25) are both fixedly mounted on the bearing (23).

5. The alloy steel work roller with high transmission accuracy according to claim 4, characterized in that: The first mating connector (1) is fixedly installed to the first mating end (22) by bolts (5); the bolts (5) are installed in the countersunk holes (28) opened on the surface of the first mating end (22).

6. The alloy steel work roller with high transmission accuracy according to claim 2, characterized in that: The surface of the wear-resistant layer (21) is divided into multiple rhomboid blocks by a groove (20).

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