Four-roller reversible cold rolling mill capable of adjusting roller spacing

Abstract

The utility model relates to the technical field of four-roller reversible cold-rolling mills, and discloses a four-roller reversible cold-rolling mill capable of adjusting roller spacing, which comprises a cold-rolling mill body, a first connecting plate and first rollers, the first connecting plate is mounted in the middle of the inner side of the cold-rolling mill body, and the first rollers are mounted on two sides of the first connecting plate. A sliding structure is arranged on the outer side of the first roller and comprises a second roller, first connecting columns and first bearings, the second roller is arranged on the outer side of the first roller, the first connecting columns are installed on the two sides of the second roller, and the first connecting column on the left side penetrates through the cold-rolling mill body into the first sliding groove; the first sliding groove is formed in the inner side of the cold rolling mill body, the first connecting column on the left side is connected with a second connecting plate through a first bearing, and the second connecting plate is arranged on the inner side of the first sliding groove; the distance between the rollers can be conveniently adjusted according to machined parts with different thicknesses, and the application range of the device to the machined parts is enlarged.

Description

Technical Field

[0001] The utility model relates to the technical field of four-roller reversible cold rolling mills, in particular to a four-roller reversible cold rolling mill with adjustable roll spacing. Background Art

[0002] The cold rolling mill is a new type of steel bar cold rolling equipment. It can process hot-rolled wire rods and hot-rolled coils with diameters ranging from 6.5mm to 12mm into finished cold-rolled ribbed steel bars with diameters ranging from 5mm to 12mm.

[0003] After searching, the Chinese patent authorization announcement number CN 212285303, announcement date January 5, 2021, discloses an adjustable four-roll cold rolling mill. The article proposes "a mobile base and a cold rolling main machine, the cold rolling main machine is fixedly arranged on the upper surface of the mobile base, and the lower surface of the mobile base is fixedly welded with a number of running wheels and hydraulic telescopic rods." When the device is in use, the different thicknesses of the workpieces are inconvenient to use on the inner side of the same device, reducing the applicability of the device. In view of this, in-depth research was conducted on the above problems, and this case came into being. Utility Model Content

[0004] The purpose of this invention is to provide a four-roller reversible cold rolling mill with adjustable roll spacing to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a four-roller reversible cold rolling mill with adjustable roll gap, comprising a cold rolling mill body, a first connecting plate and a first roller, wherein the first connecting plate is installed in the middle position of the inner side of the cold rolling mill body, first rollers are installed on both sides of the first connecting plate, and a sliding structure is provided on the outer side of the first roller;

[0006] The sliding structure includes a second roller, a first connecting column and a first bearing. A second roller is provided on the outer side of the first roller, and first connecting columns are installed on both sides of the second roller. The first connecting column on the left side passes through the cold rolling mill body to the inside of the first slide groove, and the first slide groove is provided on the inner side of the cold rolling mill body. The first connecting column on the left side is connected to the second connecting plate through the first bearing, and the second connecting plate is provided on the inner side of the first slide groove. The first connecting column on the right side passes through the cold rolling mill body and the storage box to the inside of the storage box, and the storage box is provided on the inner wall of the second slide groove. The second slide groove is provided inside the cold rolling mill body. The first connecting column on the right side is connected to the inner side of the storage box through the second bearing. A first gear disc is installed on the outer wall of the first gear disc, and a second gear disc is provided on the outer wall of the second connecting column. The left side of the second connecting column is connected to the inner wall of the storage box through the third bearing. A driving machine is installed on the right side of the second connecting column, and automatic telescopic rods are installed below the second connecting plate and below the storage box.

[0007] Preferably, the cold rolling mill body and the first connecting plate are fixedly connected, and the first connecting plate and the first roller are arranged perpendicular to each other.

[0008] Preferably, the first roller and the second roller are arranged parallel to each other, and the second roller is fixedly connected to the first connecting column.

[0009] Preferably, the first connecting column on the left side is connected to the first bearing in a rotational manner, and the first connecting column on the right side is connected to the second bearing in a rotational manner.

[0010] Preferably, the second connecting plate and the first chute are slidably connected, and the first chute is integrated with the cold rolling mill body.

[0011] Preferably, the first connecting column and the first toothed disc are fixedly connected, and the first toothed disc and the second toothed disc are meshed.

[0012] Preferably, the second gear disc and the second connecting column are fixedly connected, and the second connecting column and the third bearing are rotatably connected.

[0013] Preferably, the second connecting column is in driving connection with the driving machine, and the driving machine is in fixed connection with the inner wall of the storage box.

[0014] Preferably, the storage box and the second chute are slidably connected, and the second chute is integrated with the cold rolling mill body.

[0015] Preferably, the automatic telescopic rods are fixedly connected to the second connecting plate and the storage box.

[0016] Compared with the prior art, the beneficial effects of this invention are:

[0017] By setting the second roller, the first connecting column and the first bearing, starting the automatic telescopic rod drives the second connecting plate and the storage box to slide inside the first slide groove and the second slide groove, the second connecting plate drives the left first connecting column connected to the first bearing to slide, and the storage box drives the right first connecting column connected to the second bearing to slide, so that the first connecting columns on both sides drive the second roller to slide on the inner side of the cold rolling mill body, so as to adjust the distance between the second roller and the first roller according to the workpieces of different thicknesses, thereby expanding the use range of the device for the workpieces. After use, starting the driving machine drives the second connecting column to rotate inside the third bearing, and the second connecting column drives the inside of the second gear disc to rotate. Through the connection setting between the second gear disc and the first gear disc, the second gear disc drives the right first connecting column connected to the first gear disc to rotate inside the second bearing, and the right first connecting column drives the left first connecting column connected to the second roller to rotate inside the first bearing, and the second roller and the first roller rotate relative to each other, so as to process the workpiece between the second roller and the first roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following is a brief introduction to the drawings required for the description of the embodiments. Obviously, the drawings described below are some embodiments of the present application. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without inventive effort. In all drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual scale.

[0019] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the front cross-sectional structure of the sliding structure used in the present invention;

[0022] Figure 4 It is a partially enlarged structural diagram of the sliding structure of the utility model.

[0023] In the figure: 1. Cold rolling mill body; 2. First connecting plate; 3. First roller; 4. Sliding structure; 401. Second roller; 402. First connecting column; 403. First bearing; 404. Second connecting plate; 405. First slide; 406. Second bearing; 407. Storage box; 408. First gear disc; 409. Second gear disc; 410. Second connecting column; 411. Third bearing; 412. Driving machine; 414. Automatic telescopic rod; 415. Second slide. DETAILED DESCRIPTION

[0024] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," "the other end," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0025] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "connected," etc. should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0026] The following will be combined with the drawings in the practical embodiment to clearly and completely describe the technical solutions in the practical embodiment. Obviously, the described embodiment is only a part of the embodiment of this utility, not all of the embodiments. Based on the embodiment of this utility, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this utility.

[0027] See also Figure 1-4 The present invention provides a technical solution for a four-roller reversible cold rolling mill with adjustable roll gap: a four-roller reversible cold rolling mill with adjustable roll gap, comprising a cold rolling mill body 1, a first connecting plate 2 and a first roller 3, wherein the first connecting plate 2 is installed in the middle position of the inner side of the cold rolling mill body 1, the first roller 3 is installed on both sides of the first connecting plate 2, and a sliding structure 4 is provided on the outer side of the first roller 3;

[0028] The sliding structure 4 includes a second roller 401, a first connecting column 402 and a first bearing 403. The second roller 401 is provided on the outside of the first roller 3. The first connecting column 402 is installed on both sides of the second roller 401. The left first connecting column 402 passes through the cold rolling mill body 1 to the inside of the first chute 405. The first chute 405 is provided on the inside of the cold rolling mill body 1. The left first connecting column 402 is connected to the second connecting plate 404 through the first bearing 403. The second connecting plate 404 is provided on the inside of the first chute 405. The right first connecting column 402 passes through the cold rolling mill body 1 and the storage box 407 to the inside of the storage box 407. The storage box 407 is provided on the second The inner wall of the slide 415, the second slide 415 is arranged inside the cold rolling mill body 1, the first connecting column 402 on the right is connected to the inner side of the storage box 407 through the second bearing 406, the outer wall of the first connecting column 402 on the right is installed with a first gear disc 408, and the outer side of the first gear disc 408 is provided with a second gear disc 409, and the second gear disc 409 is installed on the outer wall of the second connecting column 410, and the left side of the second connecting column 410 is connected to the inner wall of the storage box 407 through the third bearing 411. The right side of the second connecting column 410 is installed with a driving machine 412, and automatic telescopic rods 414 are installed below the second connecting plate 404 and below the storage box 407.

[0029] Before use, start the automatic telescopic rod 414 to drive the second connecting plate 404 and the storage box 407 to slide inside the first slide 405 and the second slide 415, the second connecting plate 404 drives the left first connecting column 402 connected to the first bearing 403 to slide, and the storage box 407 drives the right first connecting column 402 connected to the second bearing 406 to slide, so that the first connecting columns 402 on both sides drive the second roller 401 to slide on the inner side of the cold rolling mill body 1, so as to adjust the distance between the second roller 401 and the first roller 3 according to the workpieces of different thicknesses, thereby expanding the use range of the device for the workpieces. After use, start the driving machine 412 drives the second connecting column 410 to rotate inside the third bearing 411, and the second connecting column 410 drives the second gear disc 409 to rotate inside. Through the connection setting between the second gear disc 409 and the first gear disc 408, the second gear disc 409 drives the right first connecting column 402 connected to the first gear disc 408 to rotate inside the second bearing 406, and the right first connecting column 402 drives the left first connecting column 402 connected to the second roller 401 to rotate inside the first bearing 403, and the second roller 401 and the first roller 3 rotate relative to each other, so as to process the workpiece between the second roller 401 and the first roller 3.

[0030] The DAU cold rolling mill body 1 and the first connecting plate 2 are fixedly connected, and the first connecting plate 2 and the first roller 3 are arranged perpendicular to each other.

[0031] The first roller 3 and the second roller 401 are arranged parallel to each other, and the second roller 401 and the first connecting column 402 are fixedly connected.

[0032] The first connecting column 402 on the left side is rotatably connected to the first bearing 403 , and the first connecting column 402 on the right side is rotatably connected to the second bearing 406 .

[0033] The second connecting plate 404 and the first chute 405 are slidably connected, and the first chute 405 and the cold rolling mill body 1 are integrated.

[0034] The first connecting column 402 and the first gear disc 408 are fixedly connected, and the first gear disc 408 and the second gear disc 409 are meshed.

[0035] The second gear disc 409 and the second connecting column 410 are fixedly connected, and the second connecting column 410 and the third bearing 411 are rotatably connected.

[0036] The second connecting column 410 and the driving machine 412 are in driving connection, and the driving machine 412 and the inner wall of the storage box 407 are in fixed connection.

[0037] The storage box 407 and the second chute 415 are slidably connected, and the second chute 415 and the cold rolling mill body 1 are integrated.

[0038] The automatic telescopic rods 414 are fixedly connected to the second connecting plate 404 and the storage box 407 .

[0039] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A four-roller reversible cold rolling mill with adjustable roll spacing, comprising a cold rolling mill body (1), a first connecting plate (2) and a first roller (3), characterized in that: A first connecting plate (2) is installed at the middle position inside the cold rolling mill body (1), first rollers (3) are installed on both sides of the first connecting plate (2), and a sliding structure (4) is provided on the outer side of the first roller (3); The sliding structure (4) includes a second roller (401), a first connecting column (402) and a first bearing (403), the second roller (401) is provided on the outer side of the first roller (3), and the first connecting columns (402) are installed on both sides of the second roller (401), the first connecting column (402) on the left side passes through the cold rolling mill body (1) to the inside of the first slide groove (405), the first slide groove (405) is provided on the inner side of the cold rolling mill body (1), the first connecting column (402) on the left side is connected to the second connecting plate (404) through the first bearing (403), the second connecting plate (404) is provided on the inner side of the first slide groove (405), the first connecting column (402) on the right side passes through the cold rolling mill body (1), the storage box (407) to the inside of the storage box (407), the storage box (407) It is arranged on the inner wall of the second slide groove (415), and the second slide groove (415) is arranged inside the cold rolling mill body (1). The first connecting column (402) on the right side is connected to the inner side of the storage box (407) through the second bearing (406). The outer wall of the first connecting column (402) on the right side is installed with a first gear disc (408), and the outer side of the first gear disc (408) is provided with a second gear disc (409). The second gear disc (409) is installed on the outer wall of the second connecting column (410). The left side of the second connecting column (410) is connected to the inner wall of the storage box (407) through the third bearing (411). A driving machine (412) is installed on the right side of the second connecting column (410). Automatic telescopic rods (414) are installed below the second connecting plate (404) and below the storage box (407).

2. The four-roller reversible cold rolling mill with adjustable roll gap according to claim 1, characterized in that: The cold rolling mill body (1) and the first connecting plate (2) are fixedly connected, and the first connecting plate (2) and the first roller (3) are arranged perpendicular to each other.

3. The four-roller reversible cold rolling mill with adjustable roll gap according to claim 2, characterized in that: The first roller (3) and the second roller (401) are arranged parallel to each other, and the second roller (401) and the first connecting column (402) are fixedly connected.

4. The four-roller reversible cold rolling mill with adjustable roll gap according to claim 3, characterized in that: The first connecting column (402) on the left side is connected to the first bearing (403) in a rotational manner, and the first connecting column (402) on the right side is connected to the second bearing (406) in a rotational manner.

5. The four-roller reversible cold rolling mill with adjustable roll gap according to claim 4, characterized in that: The second connecting plate (404) and the first sliding groove (405) are slidably connected, and the first sliding groove (405) and the cold rolling mill body (1) are integrated.

6. The four-roller reversible cold rolling mill with adjustable roll gap according to claim 5, characterized in that: The first connecting column (402) and the first toothed disc (408) are fixedly connected, and the first toothed disc (408) and the second toothed disc (409) are meshed.

7. The four-roller reversible cold rolling mill with adjustable roll gap according to claim 6, characterized in that: The second toothed disc (409) and the second connecting column (410) are fixedly connected, and the second connecting column (410) and the third bearing (411) are rotatably connected.

8. The four-roller reversible cold rolling mill with adjustable roll gap according to claim 7, characterized in that: The second connecting column (410) is connected to the driving machine (412) in a driving manner, and the driving machine (412) is connected to the inner wall of the storage box (407) in a fixed manner.

9. The four-roller reversible cold rolling mill with adjustable roll gap according to claim 8, characterized in that: The storage box (407) and the second chute (415) are slidably connected, and the second chute (415) and the cold rolling mill body (1) are integrated.

10. The four-roller reversible cold rolling mill with adjustable roll gap according to claim 9, characterized in that: The automatic telescopic rods (414) are fixedly connected to the second connecting plate (404) and the storage box (407).

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