CN211437476U

CN211437476U - Rolling mill roll gap adjusting device and rolling mill

Info

Publication number: CN211437476U
Application number: CN201922344665.5U
Authority: CN
Inventors: 李佳鹏
Original assignee: Kunshan Qinchuang Automation Equipment Co ltd
Current assignee: Kunshan Qinchuang Automation Equipment Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-09-08
Anticipated expiration: 2029-12-24

Abstract

The utility model discloses a rolling mill roll gap adjusting device and rolling mill belongs to metal processing technology field. The rolling mill roll gap adjusting device comprises a rack, a first roll and a second roll. A first support assembly and a second support assembly are arranged on the rack at intervals; the first roller is rotationally connected to the first support assembly; the second roller is rotationally connected to the second support assembly; the spacing between the first stand assembly and the second stand assembly is adjustable to adjust the roll gap between the first roll and the second roll. The rolling mill comprises the rolling mill roll gap adjusting device. The utility model discloses an adjust the interval between first support subassembly and the second support subassembly to adjust the roll gap between first roll and the second roll, the roll gap is adjusted the precision height, and rolling quality is high, and the size and the outward appearance uniformity of product are good.

Description

Rolling mill roll gap adjusting device and rolling mill

Technical Field

The utility model relates to a metal processing technology field especially relates to a rolling mill roll gap adjusting device and rolling mill.

Background

When rolling a metal material, the metal material is passed through a gap between a pair of rotating rolls, and the metal material is reduced in cross section by being compressed by the rolls, whereby the metal can be formed into a strip or other shape from a round wire shape or other shape. For the purpose of different original sizes and processing sizes of metal materials to be processed, the roll gap is generally manually adjusted by a screw rod in the prior art so as to meet the processing requirements. However, manual operation wastes time and labor, the screw rod adjusting precision is low, and the roll gap is not uniform, so that quality problems that the thickness of a strip is unstable, burrs exist in the appearance of a rolled product and the like are caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rolling mill roll gap adjusting device and rolling mill can the accurate roll gap of adjusting, and adjusts the convenience, and the product quality who rolls out is good.

In order to realize the purpose, the following technical scheme is provided:

a rolling mill roll gap adjustment apparatus comprising:

the device comprises a rack, a first support assembly and a second support assembly, wherein the first support assembly and the second support assembly are arranged on the rack at intervals;

a first roll rotatably connected to the first chock assembly;

the second roller is rotatably connected to the second support assembly;

the distance between the first stand assembly and the second stand assembly is adjustable to adjust a roll gap between the first roll and the second roll.

The driving mechanism is configured to drive the first support assembly to move towards or away from the second support assembly.

Further, first bearing subassembly includes first support and the second support that the interval set up, first roll coaxial coupling has first roller, the both ends of first roller rotate respectively connect in first support with on the second support.

Furthermore, the driving mechanism comprises a first driving piece and a second driving piece, the output end of the first driving piece is connected with the first support, and the output end of the second driving piece is connected with the second support.

Further, the first driving piece and the second driving piece are both servo electric cylinders.

Furthermore, at least one first guide rod is arranged between the first support assembly and the rack, the first end of the first guide rod is connected with the first support assembly, the second end of the first guide rod movably penetrates through the rack, and the second end of the first guide rod is connected with the rack through an elastic element.

Furthermore, the first support assembly is provided with at least one second guide rod, and the second support assembly is provided with a guide hole correspondingly matched with the second guide rod.

Furthermore, at least one buffering limiting part is arranged between the first support assembly and the second support assembly.

Further, a distance measuring device configured to measure a roll gap between the first roll and the second roll is also included.

A rolling mill comprising a mill roll gap adjustment device as described above.

The utility model has the advantages that:

the utility model provides an among rolling mill roll gap adjusting device and the rolling mill, the interval between first support subassembly and the second support subassembly is adjustable to adjust the roll gap between first roll and the second roll. Further, the driving mechanism is in transmission connection with the first support assembly, and then drives the first support assembly to move towards a direction close to or far away from the second support assembly, so that the roll gap between the first roll and the second roll is adjusted. The first driving piece and the second driving piece are preferably servo electric cylinders, accurate speed, position and thrust adjustment can be achieved, the moving distance of the first support component can be accurately adjusted, the roll gap can be accurately adjusted, the rolling precision is high, and the size and appearance consistency of products are good.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a rolling mill roll gap adjusting device provided by an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a rolling mill roll gap adjusting device (hidden side plate) provided by an embodiment of the present invention;

fig. 3 is a partially enlarged view of a portion a in fig. 2.

Reference numerals:

1-a frame; 2-a first roll; 3-a second roller; 4-a drive mechanism; 5-a first carriage assembly; 6-a second seat assembly; 71-a first guide bar; 72-a second guide bar; 8-an elastic member; 9-buffering the limiting part; 10-a first roller shaft; 20-a second roll shaft;

11-a top plate; 12-a base plate; 13-side plate;

41-a first driving member; 42-a second drive member;

51-a first seat; 52-a second support;

61-a third support; 62-a fourth support; 63-guide hole.

Detailed Description

In order to make the technical problems, technical solutions adopted and technical effects achieved by the present invention clearer, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 3, the present embodiment provides a rolling mill roll gap adjusting apparatus including a stand 1, a first roll 2, and a second roll 3. A first support assembly 5 and a second support assembly 6 are arranged on the frame 1 at intervals and oppositely. The first roll 2 is rotatably mounted on a first stand assembly 5 and the second roll 3 is rotatably mounted on a second stand assembly 6. The distance between the first support assembly 5 and the second support assembly 6 is adjustable, so that the roll gap between the first roll 2 and the second roll 3 is adjusted to adapt to pieces to be rolled with different size requirements, and the processing precision is high.

Specifically, the frame 1 is a frame structure, and includes a top plate 11 and a bottom plate 12 disposed opposite to each other, and two side plates 13 connecting the top plate 11 and the bottom plate 12. The first support assembly 5 is movably disposed on the top plate 11, and the second support assembly 6 is fixed on the bottom plate 12. The top plate 11 is further provided with a driving mechanism 4, and an output end of the driving mechanism 4 is in transmission connection with the first support assembly 5 so as to drive the first support assembly 5 to move towards or away from the second support assembly 6, so as to adjust the roll gap between the first roll 2 and the second roll 3.

Further, the first holder assembly 5 includes a first holder 51 and a second holder 52 which are spaced apart from each other. The first roller 2 is coaxially connected with a first roller shaft 10, and two ends of the first roller shaft 10 are respectively rotatably connected to the first support 51 and the second support 52. The first roller 2 is stably supported by the first support 51 and the second support 52, and the rotation stability of the first roller 2 is ensured. The first roll shaft 10 has both ends respectively penetrating and protruding the first and

second bearings

51 and 52, and is connectable to a driving assembly for driving the first roll 2 to rotate.

Similarly, the second seat assembly 6 includes a third seat 61 and a fourth seat 62 that are spaced apart. The third support 61 is spaced from and opposite the first support 51, and the fourth support 62 is spaced from and opposite the second support 52. The second roll 3 is coaxially connected with a second roll shaft 20. Both ends of the second roller 20 are rotatably connected to the third holder 61 and the fourth holder 62, respectively. The second roller 3 is stably supported by the third support 61 and the fourth support 62, so that the rotation stability of the second roller 3 is ensured. The second roller 20 extends through and beyond the third and

fourth abutments

61 and 62, respectively, and is connectable to a drive assembly for driving the second roller 3 in rotation.

Further, the driving mechanism 4 comprises a first driving member 41 and a second driving member 42, the output end of the first driving member 41 is connected with the first support 51, the output end of the second driving member 42 is connected with the second support 52, and the first support 51 and the second support 52 are driven to move in the same direction, so that the moving stability of the first roller 2 is ensured, the levelness of the first roller shaft 10 is ensured, and the uniformity of the roll gap is ensured.

Preferably, the first driving element 41 and the second driving element 42 are both servo electric cylinders, which can realize accurate speed, position and thrust control, have high rolling precision, replace the existing manual screw adjustment, and have high automation degree.

In order to ensure that the first support assembly 5 moves smoothly under the driving of the driving mechanism 4, and further ensure the adjustment precision of the roll gap, at least one first guide rod 71 is arranged between the first support assembly 5 and the machine frame 1, a first end of the first guide rod 71 is connected with the first support assembly 5, a second end of the first guide rod 71 movably penetrates through the machine frame 1, and the second end is connected with the machine frame 1 through an elastic member 8.

In this embodiment, four first guide rods 71 are provided, two of the first guide rods 71 are connected to the first support 51, and the other two first guide rods 71 are connected to the second support 52.

In order to further improve the adjustment precision of the roll gap, at least one second guide rod 72 is arranged on the first support assembly 5, a guide hole 63 correspondingly matched with the second guide rod 72 is arranged on the second support assembly 6, and the second guide rod 72 is matched with the guide hole 63 to guide the movement of the first support assembly 5, so that the first support assembly 5 is prevented from inclining or being misplaced in the movement, and the roll gap adjustment precision and the uniformity of the roll gap at each position are ensured.

In the present embodiment, the number of the second guide rods 72 is four, two of the second guide rods 72 are connected to the third support 61, and the other two second guide rods 72 are connected to the fourth support 62.

In order to limit the stroke of the first support assembly 5 and prevent the first support assembly 5 from colliding with the second support assembly 6, at least one buffering limiting part 9 is further arranged between the first support assembly 5 and the second support assembly 6. In this embodiment, the buffering limiting member 9 is a spring, and the buffering limiting member 9 is sleeved on the second guide rod 72.

The rolling mill roll gap adjusting apparatus provided in the present embodiment may further optionally include a distance measuring device for measuring the roll gap between the first roll 2 and the second roll 3 in real time, and the first driving device 41 and the second driving device 42 stop operating after the roll gap is adjusted to a preset value.

In the roll gap adjusting device of the rolling mill provided by the embodiment, the distance between the first support assembly 5 and the second support assembly 6 is adjustable, so that the roll gap between the first roll 2 and the second roll 3 is adjusted. Further, the driving mechanism 4 is in transmission connection with the first stand assembly 5, so as to drive the first stand assembly 5 to move towards or away from the second stand assembly 6, so as to realize the roll gap adjustment between the first roll 2 and the second roll 3. The first driving element 41 and the second driving element 42 are preferably servo electric cylinders, can realize accurate speed, position and thrust adjustment, can accurately adjust the moving distance of the first support assembly 5, further accurately adjust the roll gap, and have high rolling precision and good product size and appearance consistency.

The embodiment also provides a rolling mill, including as above-mentioned rolling mill roll gap adjusting device, can accurate regulation roll gap, rolling precision is high to replace current artifical screw rod to adjust, production efficiency and production quality are high.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. A rolling mill roll gap adjustment device, comprising:

the support device comprises a rack (1), wherein a first support component (5) and a second support component (6) are arranged on the rack (1) at intervals;

a first roll (2), the first roll (2) being rotatably connected to the first stand assembly (5);

the second roller (3), the second roller (3) is rotatably connected to the second support assembly (6);

the distance between the first stand assembly (5) and the second stand assembly (6) is adjustable, thereby adjusting the roll gap between the first roll (2) and the second roll (3).

2. The rolling mill roll gap adjusting device according to claim 1, characterized by further comprising a driving mechanism (4), wherein an output end of the driving mechanism (4) is in transmission connection with the first support assembly (5), and the driving mechanism (4) is configured to drive the first support assembly (5) to move towards or away from the second support assembly (6).

3. The rolling mill roll gap adjusting device according to claim 2, characterized in that the first support assembly (5) comprises a first support (51) and a second support (52) which are arranged at intervals, the first roll (2) is coaxially connected with a first roll shaft (10), and two ends of the first roll shaft (10) are respectively and rotatably connected with the first support (51) and the second support (52).

4. Rolling mill roll gap adjusting device according to claim 3, characterized in that the drive mechanism (4) comprises a first drive (41) and a second drive (42), the output of the first drive (41) being connected to the first support (51) and the output of the second drive (42) being connected to the second support (52).

5. Rolling mill roll gap adjustment device according to claim 4, characterized in that the first drive (41) and the second drive (42) are both servo electric cylinders.

6. Roll gap adjusting device according to claim 2, characterized in that at least one first guide rod (71) is arranged between the first support assembly (5) and the stand (1), a first end of the first guide rod (71) is connected with the first support assembly (5), a second end of the first guide rod (71) movably penetrates the stand (1), and the second end is connected with the stand (1) through an elastic member (8).

7. A rolling mill roll gap adjusting device according to claim 2, characterized in that at least one second guiding rod (72) is provided on the first support assembly (5), and a guiding hole (63) corresponding to the second guiding rod (72) is provided on the second support assembly (6).

8. Rolling mill roll gap adjustment device according to claim 7, characterized in that at least one damping stop (9) is further provided between the first and second stand assemblies (5, 6).

9. The rolling mill roll gap adjustment device according to claim 1, characterized by further comprising a distance measuring device configured to measure the roll gap between the first roll (2) and the second roll (3).

10. A rolling mill comprising a mill roll gap adjustment device according to any one of claims 1 to 9.