CN111299351A - Strip guide device and method of use, strip coiling system - Google Patents

Abstract

The invention relates to a steel strip guide device, comprising a guide plate stage, the guide plate stage includes a swing guide plate and an auxiliary guide plate, both the swing guide plate and the auxiliary guide plate can be rotatably installed on the frame, and the swing guide plate is connected with a swing drive mechanism, so that the swing guide plate can be rotated between the guide position and the auxiliary guide plate. The auxiliary guide plate swings up and down between the standby positions, and the auxiliary guide plate is equipped with a limit mechanism for limiting its sway stroke, so that the auxiliary guide plate has a tail flicking working position that can support the belt tail, and the tail flicking working position is located between the guiding position and the standby position. The auxiliary guide plate is less than the length of the swing guide. In addition, it also relates to a method of using the above-mentioned strip guide device and a strip coiling system using the strip guide device. The invention can support the belt tail by setting the auxiliary guide plate, avoid the defect of folding and printing caused by the extrusion of the guide plate table at the end of the strip steel, and ensure the quality of the strip steel; the reasonable arrangement of the auxiliary guide plate and the swinging guide plate not only satisfies the requirements of the strip steel passing through the belt At the same time, it also meets the support requirements when the strip is drifting, and the work is stable and reliable.

Description

Strip guide device and method of use, strip coiling system

technical field

The invention belongs to the technical field of metallurgical equipment, and particularly relates to a strip guide device, a method for using the strip guide device, and a strip coiling system using the strip guide device.

Background technique

For cold rolling continuous production units, the gap between the exit turning roll and the coiler is relatively large. In order to facilitate the strip passing, a single form of swinging guide table is usually used. The table swings down (because it is necessary to avoid the interference of the guide table with the gradually increasing coil). In the production of thin strip, the tail of the strip leaves the exit turning roller and falls immediately due to lack of support. It is squeezed by the guide table, and the tail of the strip is easy to be folded and printed, which affects the quality of the finished product.

SUMMARY OF THE INVENTION

The invention relates to a strip guide device, a method for using the strip guide device and a strip coiling system using the strip guide device, which can at least solve some of the defects of the prior art.

The invention relates to a strip guide device, comprising a guide table, the guide table includes a swing guide plate and an auxiliary guide plate, both the swing guide plate and the auxiliary guide plate can be rotatably installed on a frame, and the swing guide plate is connected with a swing guide plate The driving mechanism can swing up and down between the guide position and the standby position, and the auxiliary guide plate is provided with a limit mechanism for limiting its swaying stroke so that the auxiliary guide plate has a tail-flicking working position capable of supporting the belt tail, and the tail-swinging work The position is located between the guide position and the standby position, and the length of the auxiliary guide plate is smaller than the length of the swing guide plate.

As one embodiment, the swing guide plate has a receiving groove, and at the guide position, the auxiliary guide plate is fitted into the receiving groove and combined with the upper surface of the swing guide plate to form a smooth guide surface.

As one of the embodiments, the swinging guide plate includes a base plate and a guide panel arranged on the upper surface of the base plate, the base plate is rotatably mounted on the frame, and the guide panel is offset from the swing axis of the base plate and is connected to the base plate. The base plate forms a stepped structure suitable for the auxiliary guide plate to be fitted into.

As one embodiment, the swing guide plate and the auxiliary guide plate are rotatably installed on the same swing shaft, and the swing shaft is installed on the frame.

As one embodiment, the limiting mechanism includes a limiting screw rod and a limiting groove formed on the auxiliary guide plate, and the limiting screw rod passes through the limiting groove and is fixed on the frame.

As one embodiment, the axial direction of the limit screw is parallel to the vertical direction, and the limit groove is a bar-shaped groove and penetrates from the upper surface of the auxiliary guide plate through the lower plate surface of the auxiliary guide plate;

Or, the axial direction of the limit screw is parallel to the axial direction of the swing axis of the auxiliary guide plate, the limit groove is an arc-shaped groove opened on the side wall of the auxiliary guide plate, and the center of the arc-shaped groove is It is located on the axis of the swing seat of the auxiliary guide plate.

As one of the embodiments, the hem stroke of the auxiliary guide plate is adjustable.

As one embodiment, the swing driving mechanism includes a swing hydraulic cylinder, the cylinder body of the swing hydraulic cylinder is hinged on the frame, and the output shaft of the swing hydraulic cylinder is hinged with the swing guide plate.

The present invention also relates to a method of using the above-mentioned strip guide device, comprising:

After obtaining the strip threading instruction, the swing drive mechanism drives the swing guide plate to swing and drives the auxiliary guide plate to swing up together to the guide position, so as to guide the strip steel for easy belt threading;

After the strip is threaded, the swinging drive mechanism drives the swinging guide plate to swing down, the auxiliary guide plate swings freely under the action of its own weight, and stays at the tail-flicking working position under the action of the limiting mechanism;

When the strip is tail-flicking, the auxiliary guide plate is used to support the belt tail to prevent the belt tail from falling directly and causing the belt tail to be folded.

The present invention also relates to a strip steel coiling system, comprising a strip steel pinch unit and a coiler disposed on the outlet side of the strip steel pinch unit, and further comprising the above-mentioned strip steel guide device, the guide plate table Arranged on the outlet side of the strip pinch unit and between the strip pinch unit and the coiler.

The present invention has at least the following beneficial effects:

The invention can support the belt tail by setting the auxiliary guide plate, avoid the situation that the belt tail falls directly due to lack of support, thus avoid the defect of folding and printing caused by the extrusion of the steel tail end by the guide plate table, and can ensure the quality of the steel strip; The reasonable arrangement of the auxiliary guide plate and the swinging guide plate not only meets the guiding requirements when the strip is passing through the belt, but also meets the supporting requirements when the strip is tailing, and the work is stable and reliable.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

Fig. 1 is the schematic diagram of the strip coiling system provided by the embodiment of the present invention when threading;

2 is a schematic diagram of the strip coiling system provided by the embodiment of the present invention when the strip is tailed off;

FIG. 3 is a schematic structural diagram of a swing guide plate and an auxiliary guide plate provided in an embodiment of the present invention when they are fitted.

Detailed ways

The technical solutions in the embodiments of the present invention will be described clearly and completely below. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Example 1

As shown in FIGS. 1 to 3 , an embodiment of the present invention provides a strip guide device, which includes a guide table, and the guide table includes a swing guide plate 7 and an auxiliary guide plate 6 . Both the swing guide plate 7 and the auxiliary guide plate 6 can be rotated. Installed on the frame 3, the swing guide plate 7 is connected with a swing drive mechanism 8 so that it can swing up and down between the guide position and the standby position. The auxiliary guide plate 6 has a tail flick working position capable of supporting the belt tail, and the tail flick working position is located between the guide position and the standby position. The length of the auxiliary guide plate 6 is smaller than the length of the swing guide plate 7 .

In the above-mentioned guide table, the swing guide plate 7 and the auxiliary guide plate 6 are both rotatable relative to the frame 3, that is, the swing guide plate 7 and the auxiliary guide plate 6 are installed on the frame 3 through the rotating shaft. In one embodiment, the swing guide plate 7 and the auxiliary guide plate 6 can be rotatably installed on the same swing shaft 4, the swing shaft 4 is installed on the frame 3, of course, the two can also be installed on the frame 3 through different swing shafts 4, which will not be described in detail here. Generally, the axial direction of the swing shaft 4 is parallel to the horizontal direction and perpendicular to the running direction of the strip 9. When the strip guide device is used for strip coiling, the axial direction of the swing shaft 4 is also parallel to the coil. The axial direction of the barrel 10 .

In an optional embodiment, as shown in FIG. 1 to FIG. 3 , the above-mentioned swing driving mechanism 8 includes a swing swing hydraulic cylinder 8 , the cylinder body of the swing swing hydraulic cylinder 8 is hinged on the frame 3 , and the swing swing The output shaft of the hydraulic cylinder 8 is hinged to the swing guide plate 7 . Of course, linear drive devices such as air cylinders or other swing drive devices are applicable to this embodiment. Through the driving action of the above-mentioned swing driving mechanism 8, the swing guide plate 7 can be swung up and down around the swing shaft 4, thereby switching between the guide position and the standby position. At the same time, when the swing guide 7 is in its standby position, the auxiliary guide 6 is located above the swing guide 7, for example, the auxiliary guide 6 is in its tail-flicking position.

The above-mentioned auxiliary guide plate 6 is preferably a guide plate without external power, that is, the auxiliary guide plate 6 is not equipped with a power mechanism. When the swing guide plate 7 swings from the standby position to the guide position, the auxiliary guide plate 6 can be supported to swing up together. Run to the guide position to guide the strip steel 9; when the swing guide plate 7 swings from the guide position to the standby position, the auxiliary guide plate 6 loses its supporting force and swings freely, and stays in the tail drift work under the action of the limit mechanism 5 This method is simple and compact in structure, the auxiliary guide plate 6 only needs to follow the movement, and does not need to coordinate with the swing guide plate 7, so it is easy to control, and the auxiliary guide plate 6 is also easy to position naturally. Of course, it is also a feasible solution for the auxiliary guide plate 6 to be additionally equipped with a power mechanism, and to drive the auxiliary guide plate 6 to switch between the guiding position and the tail-flicking working position through the power mechanism. Both ends protrude beyond the lateral ends of the swinging guide plate 7, so as to facilitate connection with the output end of the power mechanism, and the specific structure will not be described in detail here.

In the strip guide device provided in this embodiment, by setting the auxiliary guide plate 6, the strip tail can be supported, so as to avoid the situation that the strip tail falls directly due to lack of support, thereby avoiding the occurrence of folding and printing on the strip tail due to being squeezed by the guide plate table. The defect can ensure the quality of the strip; the reasonable arrangement of the auxiliary guide plate 6 and the swinging guide plate 7 not only meets the guiding requirements when the strip is passing through the belt, but also meets the supporting requirements when the strip is tailing, and the work is stable and reliable.

As a preferred solution, the swinging guide plate 7 is provided with a receiving groove, and in the guide position, the auxiliary guide plate 6 is fitted into the receiving groove and combined with the upper surface of the swinging guide plate 7 to form a smooth guide surface . As mentioned above, the auxiliary guide plate 6 and the swinging guide plate 7 are to be swung up to the guide position together. Therefore, when the swinging guide plate 7 swings up to a certain angle (that is, the above-mentioned tail-flicking working position), the swinging guide plate 7 and the auxiliary guide plate 6 When contacted, the auxiliary guide plate 6 is embedded in the receiving groove and combined with the upper surface of the swing guide plate 7 to form a smooth guide surface. Based on the above structure, the guiding effect of the strip steel 9 can be ensured when the strip is worn, and the unevenness of the guiding surface and the influence of the quality of the strip steel can be avoided. In one embodiment, as shown in FIG. 1 and FIG. 2 , the swing guide plate 7 includes a base plate 71 and a guide plate 72 arranged on the upper surface of the base plate 71. The base plate 71 is rotatably mounted on the frame 3, so The guide panel 72 is disposed away from the swing shaft 4 of the base plate 71 and forms a stepped structure with the base plate 71 suitable for fitting with the auxiliary guide plate 6. Obviously, the stepped structure is formed as an L-shaped receiving groove; In the structure in which the guide plate 7 and the auxiliary guide plate 6 are installed on the same swing shaft 4, it can also be understood that the distance between the guide panel 72 and the swing shaft 4 is equal to the length of the auxiliary guide plate 6 (or the free end of the auxiliary guide plate 6 and the swing shaft 4). When the swing guide plate 7 is swung up to contact with the auxiliary guide plate 6, the auxiliary guide plate 6 fills the above-mentioned L-shaped receiving groove, and the free end of the auxiliary guide plate 6 (that is, the end away from the swing shaft 4) and the auxiliary guide plate 6 One end of the guide panel 72 close to the swing shaft 4 is in contact, and the upper panel surface of the auxiliary guide panel 6 is flush with the upper panel surface of the guide panel 72 to form the above-mentioned smooth guide surface.

Continuing with the structure of the above-mentioned strip guide device, the above-mentioned limit mechanism 5 is used to limit the further lowering of the auxiliary guide plate 6, and conventional limit methods are applicable to this embodiment, such as directly using limit stops. In another embodiment, as shown in FIG. 1 to FIG. 3 , the limit mechanism 5 includes a limit screw and a limit slot opened on the auxiliary guide plate 6 , and the limit screw passes through the limit slot to It is fixed on the frame 3; obviously, the relative matching structure between the limit screw and the limit groove should be able to meet the movement requirements of the auxiliary guide plate 6 to swing up and down, for example, the axial direction of the limit screw is parallel to the vertical In the direction, the limit groove is a bar-shaped groove and penetrates from the upper plate surface of the auxiliary guide plate 6 through the lower plate surface of the auxiliary guide plate 6; or, the axial direction of the limit screw is parallel to the auxiliary guide plate 6 In the axial direction of the swing shaft 4 , the limiting groove is an arc-shaped groove opened on the side wall of the auxiliary guide plate 6 , and the center of the arc-shaped groove is located on the axis of the swing seat of the auxiliary guide plate 6 .

A more preferred solution is to make the hem stroke of the auxiliary guide plate 6 adjustable, so as to adjust the position of the tail flicking position of the auxiliary guide plate 6 according to the actual situation (such as the size of the strip coiling diameter, the type of strip steel, etc.) Support the belt tail well. For example, for the structure in which the axial direction of the limit screw is parallel to the vertical, a limit nut can be screwed on the limit screw. The limit nut is located under the auxiliary guide plate 6 and has a diameter larger than the width of the limit groove. Adjusting the position of the limit nut on the limit screw can achieve the purpose of adjusting the sway stroke of the auxiliary guide plate 6; for the structure in which the axial direction of the limit screw is parallel to the axis of the swing shaft 4, the limit screw can be set on the frame. The mounting position on the 3 is adjustable.

This embodiment also provides a method for using the above-mentioned strip guide device, including:

After obtaining the strip threading instruction, the swing drive mechanism 8 drives the swing guide plate 7 to swing upward and drives the auxiliary guide plate 6 to swing up together to the guide position, so as to guide the strip steel 9 for easy belt threading;

After the strip is threaded, the swinging drive mechanism 8 drives the swinging guide plate 7 to swing downward, the auxiliary guide plate 6 swings freely under the action of its own weight, and stays in the tail-swinging work under the action of the limiting mechanism 5 . bit;

When the strip is tailed off, the auxiliary guide plate 6 is used to support the belt tail to prevent the belt tail from falling directly and causing the belt tail to be folded.

Embodiment 2

As shown in FIGS. 1 and 2 , an embodiment of the present invention provides a strip coiling system, including a strip pinch unit and a coiler disposed on the outlet side of the strip pinch unit, and also includes the above-mentioned strip A steel guide, the guide table is arranged on the outlet side of the strip pinch unit and between the strip pinch unit and the coiler. Generally, the above-mentioned strip pinch unit includes a pinch roll 1 and a turning roll 2 arranged on the frame 3, and the coiler is also a conventional device in the field, and the specific structure is not repeated here.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the present invention. within the scope of protection.

Claims (10)

1. The utility model provides a belted steel guider, includes the guide plate platform, its characterized in that: the guide plate platform comprises a swing guide plate and an auxiliary guide plate, the swing guide plate and the auxiliary guide plate are rotatably mounted on the frame, the swing guide plate is connected with a swing driving mechanism and can swing up and down between a guide position and a standby position, the auxiliary guide plate is provided with a limiting mechanism for limiting the downward swing stroke of the auxiliary guide plate, so that the auxiliary guide plate has a tail throwing working position capable of supporting a tail, the tail throwing working position is located between the guide position and the standby position, and the length of the auxiliary guide plate is smaller than that of the swing guide plate.

2. The strip steel guide as claimed in claim 1, wherein: the swing guide plate is provided with an accommodating groove, and the auxiliary guide plate is embedded in the accommodating groove at the guiding position and is jointed with the upper plate surface of the swing guide plate to form a smooth guiding surface.

3. The strip steel guide as claimed in claim 2, wherein: the swing guide plate comprises a base plate and a guide panel arranged on the upper plate surface of the base plate, the base plate is rotatably arranged on the rack, and the guide panel is arranged by deviating from the swing shaft of the base plate and forms a step structure suitable for the embedding of the auxiliary guide plate with the base plate.

4. The strip guiding apparatus as claimed in any one of claims 1 to 3, wherein: the swing guide plate and the auxiliary guide plate are rotatably arranged on the same swing shaft, and the swing shaft is arranged on the rack.

5. The strip steel guide as claimed in claim 1, wherein: the limiting mechanism comprises a limiting screw and a limiting groove formed in the auxiliary guide plate, and the limiting screw penetrates through the limiting groove and is fixed on the rack.

6. The strip steel guide as claimed in claim 5, wherein: the axial direction of the limiting screw is parallel to the vertical direction, and the limiting groove is a strip-shaped groove and penetrates through the lower plate surface of the auxiliary guide plate from the upper plate surface of the auxiliary guide plate;

or the axial direction of the limiting screw is parallel to the axial direction of the swing shaft of the auxiliary guide plate, the limiting groove is an arc-shaped groove formed in the side wall of the auxiliary guide plate, and the circle center of the arc-shaped groove is located on the axis of the swing seat of the auxiliary guide plate.

7. The strip guiding apparatus as claimed in claim 5 or 6, wherein: the lower swing stroke of the auxiliary guide plate is adjustable.

8. The strip steel guide as claimed in claim 1, wherein: the swing driving mechanism comprises a swing hydraulic cylinder, the cylinder body of the swing hydraulic cylinder is hinged to the rack, and the output shaft of the swing hydraulic cylinder is hinged to the swing guide plate.

9. The use of the strip guide as claimed in any one of claims 1 to 8, comprising:

after a strip steel threading instruction is obtained, the swing driving mechanism drives the swing guide plate to swing upwards and drives the auxiliary guide plate to swing upwards to the guiding position together, and the strip steel is guided so as to be conveniently threaded;

after the strip steel is threaded, the swing driving mechanism drives the swing guide plate to swing downwards, the auxiliary guide plate freely swings downwards under the action of self weight, and the auxiliary guide plate stays at the tail-flicking working position under the action of the limiting mechanism;

when the strip steel is subjected to tail flicking, the auxiliary guide plate supports the strip tail to avoid the strip tail from directly falling to generate strip tail folding marks.

10. The utility model provides a strip steel coiling system, includes that strip steel presss from both sides and send the unit and locate the coiling machine of strip steel clamp delivery unit outlet side, its characterized in that: further comprising the strip guide apparatus as claimed in any one of claims 1 to 8, said flipper table being disposed at an exit side of said strip pinch unit and between said strip pinch unit and said coiler.

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