阅读说明：本技术 一种带有预校准机构的滚动导卫 (Rolling guide with pre-calibration mechanism ) 是由 吴鹏 张有德 赵仕章 季方 梁海峰 胡峰 吴翠凤 王磊 肖冬冬 黄迎朝 于 2021-07-16 设计创作，主要内容包括：本发明涉及导卫技术领域,具体为一种带有预校准机构的滚动导卫,包括；包括导卫箱体、引导罩和预校准机构,引导罩固定安装于导卫箱体的一端,预校准机构活动安装在引导罩内,且预校准机构的数量为两个,两个预校准机构以导卫箱体的水平中线对称设置,预校准机构包括第一连接轴和活动夹板,活动夹板的一端内表面通过第一连接轴与引导罩转动连接,活动夹板靠近第一连接轴的一端设有第一凸部,活动夹板的另一端设有第二凸部；与现有技术相比,本发明可以完成对轧件进入导卫箱体前的位置预校准处理,避免轧件传输中出现偏移的问题,降低轧件由于此问题而导致成品不合格的情况,进而大大提高生产质量与效率。(The invention relates to the technical field of guides and guards, in particular to a rolling guide and guard with a pre-calibration mechanism, which comprises a guide body, a pre-calibration mechanism and a pre-calibration mechanism, wherein the guide body is provided with a plurality of rolling grooves; the guide hood is fixedly arranged at one end of the guide box body, the pre-calibration mechanisms are movably arranged in the guide hood, the number of the pre-calibration mechanisms is two, the two pre-calibration mechanisms are symmetrically arranged along the horizontal central line of the guide box body, each pre-calibration mechanism comprises a first connecting shaft and a movable clamping plate, the inner surface of one end of each movable clamping plate is rotatably connected with the guide hood through the first connecting shaft, a first convex part is arranged at one end, close to the first connecting shaft, of each movable clamping plate, and a second convex part is arranged at the other end of each movable clamping plate; compared with the prior art, the pre-calibration device can finish pre-calibration treatment on the position of the rolled piece before entering the guide box body, avoid the problem of deviation in the transmission of the rolled piece, reduce the condition that the rolled piece is unqualified due to the problem, and further greatly improve the production quality and efficiency.)

1. The rolling guide with the pre-calibration mechanism is characterized by comprising a guide box body (1), a guide cover (2) and a pre-calibration mechanism (3), wherein the guide cover (2) is fixedly arranged at one end of the guide box body (1), the pre-calibration mechanism (3) is movably arranged in the guide cover (2), the number of the pre-calibration mechanism (3) is two, the pre-calibration mechanism (3) is symmetrically arranged on the horizontal central line of the guide box body (1), the pre-calibration mechanism (3) comprises a first connecting shaft (5) and a movable clamping plate (6), the inner surface of one end of the movable clamping plate (6) is rotatably connected with the guide cover (2) through the first connecting shaft (5), a first convex part (7) is arranged at one end, close to the first connecting shaft (5), of the movable clamping plate (6), and a second convex part (8) is arranged at the other end of the movable clamping plate (6), and a return spring mechanism (4) is arranged between the guide cover (2) and the pre-calibration mechanism (3).

2. Rolling guide with pre-alignment mechanism, according to claim 1, characterized by the fact that the shape of the guide hood (2) is hollow truncated cone like structure.

3. Rolling guide with pre-alignment mechanism, according to claim 1, characterized in that the return spring mechanism (4) comprises a spring (13), a first connecting seat (14) and a second connecting seat (15), and the first connecting seat (14) is installed at one end of the spring (13) and the second connecting seat (15) is installed at the other end of the spring (13).

4. Rolling guide with pre-alignment mechanism according to claim 3, wherein the second connecting seat (15) is articulated to the movable clamp plate (6) by a first articulated seat (16), and the first connecting seat (14) is articulated to the guide cover (2) by a second articulated seat (17).

5. The rolling guide with the pre-alignment mechanism according to claim 1, wherein the two movable clamping plates (6) are provided with the alignment flitch plates (9) at two ends of the first convex part (7) and the second convex part (8), the two alignment flitch plates (9) arranged on the same movable clamping plate (6) are arranged on the same straight line, and when the front end of the rolled piece (22) completely passes through the two pre-alignment mechanisms (3), the alignment flitch plates (9) on the movable clamping plates (6) which are symmetrical to each other are arranged horizontally and are parallel to each other.

6. Rolling guide with pre-alignment mechanism, according to claim 5, characterized in that the alignment patch (9) has a notch (10) therein, and a secondary pulley (12) is disposed in the notch (10), the secondary pulley (12) is rotatably connected to the alignment patch (9) by a second connecting shaft (11), and the diameter of the secondary pulley (12) is larger than the thickness of the alignment patch (9) of the notch (10).

7. The rolling guide with the pre-alignment mechanism is characterized in that two rollers (24) symmetrically arranged with the horizontal center line of the guide box body (1) are installed inside the guide box body (1), the rollers (24) are rotatably connected with the guide box body (1) through a third connecting shaft (18), and a rolling seat (23) is arranged on one side of each of the two guide hoods (2).

8. Rolling guide with pre-alignment mechanism according to claim 5, wherein the guiding hood (2) is further provided with a calibration column (19), and the calibration column (19) is located on one side of the position of the first protrusion (7) when the alignment patch (9) is in the horizontal position, and the distance between the calibration column (19) and the first protrusion (7) is 1-2 cm.

9. Rolling guide with pre-alignment means, according to claim 5, characterized in that when two pre-alignment means (3) are in the initial state, an entrance flare (20) and a drive narrow opening (21) are formed between the symmetrically arranged alignment plates (9), and the length of the entrance flare (20) is greater than the width of the rolled piece (22), and the length of the drive narrow opening (21) is smaller than the width of the rolled piece (22).

Technical Field

The invention relates to the technical field of guides and guards, in particular to a rolling guide and guard with a pre-calibration mechanism.

Background

The guide is a device which is arranged before and after the roll pass to help rolled pieces accurately and stably enter and exit the roll pass according to a set direction and state in the process of rolling section steel. In order to ensure that a rolled piece smoothly passes through the guide, in the prior art, the shape of a channel cavity in the traditional guide is not tightly matched with the shape of the rolled piece, so that the rolled piece is easy to deviate in the transmission process, the rolled piece cannot be strictly conveyed into a roller pair in a straight line direction perpendicular to the straight line direction between two rollers in the roller pair, the shape of the rolled piece is deviated, and the production quality and efficiency are seriously affected.

Disclosure of Invention

The present invention is directed to a rolling guide with a pre-alignment mechanism to solve the above-mentioned problems.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a roll is led and is defended with precalibration mechanism, including leading the defending box, guide cover and precalibration mechanism, guide cover fixed mounting is in the one end of leading the defending box, precalibration mechanism movable mounting is in the guide cover, and precalibration mechanism's quantity is two, two precalibration mechanisms are in order to lead the horizontal central line symmetry setting of defending the box, precalibration mechanism includes first connecting axle and movable clamp plate, movable clamp plate's one end internal surface is rotated with the guide cover through first connecting axle and is connected, movable clamp plate is close to the one end of first connecting axle and is equipped with first convex part, movable clamp plate's the other end is equipped with the second convex part, install reset spring mechanism between guide cover and the precalibration mechanism.

As a preferable technical solution of the present invention, the shape of the guide cover is a hollow truncated cone-shaped structure.

As a preferred technical scheme of the invention, the return spring mechanism comprises a spring, a first connecting seat and a second connecting seat, wherein the first connecting seat is arranged at one end of the spring, and the second connecting seat is arranged at the other end of the spring.

As a preferable technical scheme, the second connecting seat is movably hinged with the movable clamping plate through a first hinge seat, and the first connecting seat is movably hinged with the guide cover through a second hinge seat.

As a preferable technical scheme of the invention, the two movable clamping plates are positioned at two ends of the first convex part and the second convex part and are respectively provided with the calibration flitch, the two calibration flitches arranged on the same movable clamping plate are positioned on the same straight line, and when the front end of a rolled piece completely passes through the two pre-calibration mechanisms, the calibration flitches on the symmetrical movable clamping plates are horizontally arranged and are mutually parallel.

As a preferred technical scheme, a notch is formed in the calibration flitch, an auxiliary pulley is arranged in the notch, the auxiliary pulley is rotatably connected with the calibration flitch through a second connecting shaft, and the diameter of the auxiliary pulley is larger than the thickness of the calibration flitch of the notch.

As a preferred technical scheme of the invention, two rollers which are symmetrically arranged by the horizontal central line of the guide box body are arranged in the guide box body, the rollers are rotationally connected with the guide box body through a third connecting shaft, and rolling seats are arranged on one sides of the two guide covers.

As a preferable technical scheme of the invention, the guide cover is further provided with a check column, the check column is positioned on one side of the position of the first convex part when the calibration flitch is in the horizontal position, and the distance between the check column and the first convex part is 1-2 cm.

As a preferable technical scheme of the invention, when the two pre-calibration mechanisms are in an initial state, an entry flaring and a driving narrow opening are formed between the symmetrically arranged calibration flitches, the length of the entry flaring is greater than the width of a rolled piece, and the length of the driving narrow opening is less than the width of the rolled piece.

Compared with the prior art, the invention has the beneficial effects that:

1. the rolling guide with the pre-calibration mechanism is characterized in that two pre-calibration mechanisms which are symmetrically arranged are arranged on a guide cover of a guide box body, a rolled piece can pass through the pre-calibration mechanisms preferentially before entering the guide box body, an entrance flaring and a driving narrow opening can be formed between movable clamping plates on the two pre-calibration mechanisms in an initial state, the length of the entrance flaring is larger than the width of the rolled piece, the entrance between the rolled pieces is facilitated, the length of the driving narrow opening is smaller than the width of the rolled piece, therefore, the rolled piece can be in contact with the movable clamping plates of the pre-calibration mechanisms and drives the movable clamping plates to rotate, the first convex part moves upwards, the second convex part moves downwards, the four calibration pasting plates can move and are finally clamped on the outer surface of the rolled piece, the horizontal center line of the rolled piece at the moment can be superposed with the horizontal center line of the guide box body, and the pre-calibration treatment of the position of the rolled piece before entering the guide box body is completed, the problem of skew appears in avoiding the rolled piece transmission, reduces the rolled piece and leads to the unqualified condition of finished product because of this problem, and then improves production quality and efficiency greatly.

2. According to the rolling guide with the pre-calibration mechanism, the return spring mechanism, the spring, the first connecting seat, the second connecting seat, the first hinging seat and the second hinging seat are arranged, so that after the rolled piece is calibrated and the rolled piece is moved away, the return spring mechanism drives the pre-calibration mechanism to reset to the initial state, the next rolled piece is conveniently calibrated, and the production efficiency is higher.

3. According to the rolling guide with the pre-calibration mechanism, the position of a rolled piece can be well adjusted by utilizing the calibration flitch, and the auxiliary pulley is arranged on the calibration flitch, so that the rolled piece can more conveniently move between the calibration flitches.

Additional features and advantages of the invention will be set forth in the detailed description which follows.

Drawings

FIG. 1 is a schematic view of the overall structure of a rolled piece of the present invention as it enters;

FIG. 2 is a schematic view of the overall structure of the initial state of the present invention;

FIG. 3 is an enlarged view of the structure of FIG. 1 at A in accordance with the present invention;

FIG. 4 is an enlarged view of the structure of FIG. 1 at B according to the present invention;

FIG. 5 is a schematic view of a calibration patch according to the present invention;

in the figure: 1. a guide box body; 2. a guide cover; 3. a pre-calibration mechanism; 4. a return spring mechanism; 5. a first connecting shaft; 6. a movable splint; 7. a first convex portion; 8. a second convex portion; 9. calibrating the pasting board; 10. a notch; 11. a second connecting shaft; 12. auxiliary row pulleys; 13. a spring; 14. a first connecting seat; 15. a second connecting seat; 16. a first hinge mount; 17. a second hinge mount; 18. a third connecting shaft; 19. checking the column; 20. entering flaring; 21. driving the narrow opening; 22. rolling pieces; 23. a rolling seat; 24. and (4) rolling.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Example 1: referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a roll is led and is defended with precalibration mechanism, including leading and defending box 1, guide cover 2 and precalibration mechanism 3, 2 fixed mounting in the one end of leading and defending box 1 of guide cover, 3 movable mounting in guide cover 2 of precalibration mechanism, and the quantity of precalibration mechanism 3 is two, two precalibration mechanisms 3 are in order to lead the horizontal central line symmetry setting of defending box 1, precalibration mechanism 3 includes first connecting axle 5 and movable clamp plate 6, movable clamp plate 6's one end internal surface is connected with 2 rotations of guide cover through first connecting axle 5, movable clamp plate 6 is close to the one end of first connecting axle 5 and is equipped with first convex part 7, movable clamp plate 6's the other end is equipped with second convex part 8, install reset spring mechanism 4 between guide cover 2 and the precalibration mechanism 3.

Further, the guide hood 2 is shaped like a hollow truncated cone.

Further, reset spring mechanism 4 includes spring 13, first connecting seat 14 and second connecting seat 15, and first connecting seat 14 installs the one end at spring 13, and second connecting seat 15 installs the other end at spring 13, can accomplish rolled piece 22 calibration and rolled piece 22 remove the back from, and reset spring mechanism 4 drives pre-calibration mechanism 3 and resets to initial condition to the calibration work of the rolled piece 22 of next, make the efficiency during production higher.

Further, the second connecting seat 15 is movably hinged with the movable clamping plate 6 through a first hinge seat 16, and the first connecting seat 14 is movably hinged with the guide cover 2 through a second hinge seat 17.

Further, the two ends of the two movable clamping plates 6, which are located at the first convex portion 7 and the second convex portion 8, are provided with the calibration flitch 9, the two calibration flitches 9 arranged on the same movable clamping plate 6 are all located on the same straight line, and when the front end of the rolled piece 22 completely passes through the two pre-calibration mechanisms 3, the calibration flitches 9 on the movable clamping plates 6 which are symmetrical to each other at the moment are arranged horizontally and are parallel to each other.

Further, the inside of the guide box 1 is provided with two rollers 24 symmetrically arranged with the horizontal center line of the guide box 1, the rollers 24 are rotatably connected with the guide box 1 through a third connecting shaft 18, and one side of each of the two guide covers 2 is provided with a rolling seat 23.

Further, still be equipped with check column 19 on the guide cover 2, and check column 19 is located one side of first convex part 7 position this moment when calibration flitch 9 is in horizontal position, and check column 19 is 1-2 centimetres with the distance of first convex part 7 this moment, utilize check column 19, can be according to taking place the back that deforms when movable clamp plate 6 uses for a long time, can lead to first convex part 7 position to remove, make first convex part 7 and check column 19 contact, thereby it is normal whether people judge movable clamp plate 6's position to be convenient for, and then guarantee that the calibration accuracy of calibration mechanism is effective, so that in time maintain or change precalibration mechanism 3.

Further, when the two pre-calibration mechanisms 3 are in an initial state, the entry flaring 20 and the driving narrow opening 21 are formed between the calibration flitch plates 9 which are symmetrically arranged, and the length of the entry flaring 20 is larger than the width of a rolled piece 22, so that the entry between the rolled piece 22 is facilitated, and the length of the driving narrow opening 21 is smaller than the width of the rolled piece 22, therefore, the rolled piece 22 can contact with the movable clamping plate 6 of the pre-calibration mechanism 3 and drive the movable clamping plate 6 to rotate, and the calibration driving of the pre-calibration mechanism 3 is realized.

Example 2: referring to fig. 5, furthermore, a notch 10 is formed in the calibration flitch 9, an auxiliary pulley 12 is arranged in the notch 10, the auxiliary pulley 12 is rotatably connected with the calibration flitch 9 through a second connecting shaft 11, the diameter of the auxiliary pulley 12 is larger than the thickness of the calibration flitch 9 of the notch 10, the position of a rolled piece 22 can be well adjusted by using the calibration flitch 9, and the auxiliary pulley 12 is installed on the calibration flitch 9, so that the movement work of the rolled piece 22 between the calibration flitches 9 can be more convenient.

The working principle is as follows:

the rolled piece 22 preferentially passes through the pre-calibration mechanism 3 before entering the guide box body 1, an entrance flaring 20 and a driving narrow opening 21 are formed between the movable clamping plates 6 on the two pre-calibration mechanisms 3 in an initial state, the length of the entrance flaring 20 is larger than the width of the rolled piece 22, so that the rolled piece 22 conveniently enters, and the length of the driving narrow opening 21 is smaller than the width of the rolled piece 22, therefore, the rolled piece 22 can be in contact with the movable clamping plate 6 of the pre-calibration mechanism 3 and drive the movable clamping plate 6 to rotate, so that the first convex part 7 moves upwards, the second convex part 8 moves downwards, and then the four calibration pasting plates 9 can move and finally clamp the outer surface of the rolled piece 22, and the horizontal center line of the rolled piece 22 at the moment can coincide with the horizontal center line of the guide box body 1, so as to finish the position pre-calibration processing before the rolled piece 22 enters the guide box body 1, and avoid the problem of deviation in the transmission of the rolled piece 22, the situation that finished products are unqualified due to the problem of the rolled piece 22 is reduced, and further the production quality and efficiency are greatly improved, after the rolled piece 22 is calibrated and the rolled piece 22 is moved away, the return spring mechanism 4 drives the pre-calibration mechanism 3 to return to an initial state, so that the next rolled piece 22 is calibrated conveniently, the production efficiency is higher, the auxiliary pulleys 12 are arranged on the calibration pasting plates 9, the rolled piece 22 can be moved between the calibration pasting plates 9 more conveniently, the position pre-calibration treatment before the rolled piece 22 enters the guide box body 1 can be completed, the problem that the rolled piece 22 is deviated in the transmission process is avoided, the situation that the finished products are unqualified due to the problem of the rolled piece 22 is reduced, and further the production quality and efficiency are greatly improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.