CN219211089U

CN219211089U - Rolling mill export guide and guard device

Info

Publication number: CN219211089U
Application number: CN202320050854.5U
Authority: CN
Inventors: 徐功立
Original assignee: NINGBO ZHONGCHAO MACHINE CO Ltd
Current assignee: NINGBO ZHONGCHAO MACHINE CO Ltd
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-06-20
Anticipated expiration: 2033-01-09

Abstract

The utility model provides a rolling mill outlet guide and guard device, which belongs to the technical field of rolling mill equipment, and comprises: a rolling mill provided with an upper work roll; the base is provided with a hinging seat and a mounting seat; the upper guide plate is hinged with the hinging seat at one end, an upper scraping plate is arranged at the other end of the upper guide plate, the upper guide plate can be contacted with the upper working roller through the upper scraping plate, and a pull spring seat and a driving seat are also arranged on the upper guide plate; one end of the reset tension spring is connected with the mounting seat, and the other end of the reset tension spring is connected with the tension spring seat; and the driving element is connected with the base, and the driving seat is connected with the driving element. The beneficial effects of the utility model are as follows: under the condition that the driving element does not apply force to the upper guide plate, the reset tension spring can still pull the tension spring seat to drive the upper guide plate to rotate towards the direction close to the upper working roller, and the upper scraping plate is abutted against the upper working roller.

Description

Rolling mill export guide and guard device

Technical Field

The utility model belongs to the technical field of rolling mill equipment, and relates to a rolling mill outlet guide and guard device.

Background

Rolling mill is a common equipment used for metal finished product processing and forming in metallurgical industry. The hot working rolling of rolling mill is to guide high temperature metal blank through guide equipment before and after rolling mill rolls, to pass through different hole patterns between the rolls continuously, to roll the metal blank into metal material, and to cool the work rolls, to cool the cooling water to the surface of the strip steel to affect the surface quality of the strip steel, so that the guide plate needs to be abutted against the work rolls to prevent gaps.

For example, an utility model patent with application number CN202023307208.8 provides an upper guide plate for guiding an outlet of a rolling mill, comprising: the device comprises a bottom plate, a vertical plate, a top plate, a scraping plate and a wedge-shaped backing plate; wherein, the vertical plate is vertically connected with the bottom plate, the top plate is vertically connected with the vertical plate, and the bottom plate, the vertical plate and the top plate form a Z-shaped structure; the wedge-shaped backing plate is fixedly arranged on the top surface of the top plate; the scraping plate is overlapped with one side, far away from the vertical plate, of the bottom plate; the middle area of the connecting part between the vertical plate and the bottom plate is provided with a clamping plate relatively, the clamping plate is provided with a clamping hole, and the pin shaft is clamped in the clamping hole.

According to the prior art, the guide plate is driven to rotate through the air cylinder and is abutted against the working roller, however, if the air cylinder cannot apply force to the guide plate when accidents such as gas interruption are met, the guide plate can immediately fall down, so that cooling water flows to the surface of the strip steel to influence the surface quality of the strip steel, and a large improvement space is provided.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides an outlet guide and guard device of a rolling mill.

The aim of the utility model can be achieved by the following technical scheme: a mill outlet guide and guard comprising:

a rolling mill provided with an upper work roll;

the base is provided with a hinging seat and a mounting seat;

the upper guide plate is hinged with the hinging seat at one end, an upper scraping plate is arranged at the other end of the upper guide plate, the upper guide plate can be contacted with the upper working roller through the upper scraping plate, and a pull spring seat and a driving seat are also arranged on the upper guide plate;

one end of the reset tension spring is connected with the mounting seat, the other end of the reset tension spring is connected with the tension spring seat, and the reset tension spring can pull the tension spring seat to drive the upper guide plate to rotate towards the direction close to the upper working roller;

the driving element is connected with the base, the driving seat is connected with the driving element, and the driving element can drive the driving seat to drive the upper guide plate to rotate towards the direction close to the upper working roller or rotate towards the direction far away from the upper working roller.

In the rolling mill outlet guide and guard device, the mounting seat is provided with a first adjusting bolt, a first adjusting nut and an adjusting waist hole, the adjusting waist hole is distributed along the height of the mounting seat, the first adjusting bolt can move along the length direction of the adjusting waist hole, and the first adjusting nut is detachably connected with the first adjusting bolt so that the first adjusting bolt can be fixed relative to the adjusting waist hole.

In the outlet guide and guard device of the rolling mill, the outlet guide and guard device further comprises a lower guide plate, wherein the lower guide plate is connected with the base, a lower scraping plate is arranged at one end of the lower guide plate, a lower working roller is further arranged on the rolling mill, and the lower guide plate can be contacted with the lower working roller through the lower scraping plate.

In the above-mentioned rolling mill export guide and guard device, the base still is provided with the regulation seat, the regulation seat is provided with second adjusting bolt and second adjusting nut, the lower baffle still is provided with the nut seat, the nut seat with thereby second adjusting bolt threaded connection can for the regulation seat removes, thereby second adjusting nut with thereby second adjusting bolt detachable connection makes second adjusting bolt can for the regulation seat is fixed.

In the above-mentioned rolling mill export guide and guard device, still include the water smoke shower nozzle, go up the baffle with lower baffle all is provided with the water smoke hole, the water smoke shower nozzle with the base connection and face the water smoke hole, water smoke shower nozzle spun water smoke can pass the water smoke hole.

In the above-mentioned rolling mill export guide and guard device, still include the intermediate guide, the base still is provided with axis of rotation and butt piece, the one end of intermediate guide pass through the axis of rotation rotationally with the base is connected, the other end of intermediate guide with the butt piece contacts and the butt piece restriction intermediate guide's maximum rotation scope.

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

1. under the condition that the driving element does not apply force to the upper guide plate, the reset tension spring can still pull the tension spring seat to drive the upper guide plate to rotate towards the direction close to the upper working roller and enable the upper scraping plate to be abutted against the upper working roller, so that the guide plate cannot fall immediately even if the driving element has unexpected situations and cannot apply force to the upper guide plate.

2. The driving element can also drive the driving seat to drive the upper guide plate to rotate towards the direction close to the upper working roller, so that the upper scraping plate is tightly abutted against the upper working roller to bear large water pressure, or the upper guide plate is driven to rotate towards the direction far away from the upper working roller under the condition of no cooling water so as to prevent the upper scraping plate from being worn.

3. The change of the connection end point position between the reset tension spring and the mounting seat can be realized through the movement and the fastening of the first adjusting bolt and the first adjusting nut, and the initial length of the reset tension spring is changed so as to adjust the force applied to the upper guide plate by the reset tension spring.

4. The position of the nut seat relative to the adjusting seat can be changed through the movement and the fastening of the second adjusting bolt and the second adjusting nut, and the position of the lower guide plate is adjusted so as to adjust the firm degree of the lower scraping plate and the lower working roller.

5. The water mist spray head is used for removing dust by water mist, and the water mist spray head can spray water mist to clean the surfaces of the upper guide plate and the lower guide plate when the strip steel is in a non-working state, so that dust accumulated on the surfaces of the upper guide plate and the lower guide plate is prevented from affecting the quality of strip steel.

Drawings

Fig. 1 is a schematic structural view of an outlet guide and guard device of a rolling mill according to the present utility model.

Fig. 2 is a schematic structural view of a base of the present utility model.

Fig. 3 is a schematic cross-sectional view of view A-A of fig. 2.

Fig. 4 is a schematic structural diagram of the B-direction view of fig. 2.

In the figure, 100, a rolling mill; 110. an upper work roll; 120. a lower work roll; 200. a base; 210. a hinge base; 220. a mounting base; 221. a first adjusting bolt; 222. adjusting the waist hole; 230. an adjusting seat; 231. a second adjusting bolt; 232. a second adjustment nut; 240. a rotating shaft; 250. an abutment block; 300. an upper guide plate; 310. an upper scraping plate; 320. a tension spring seat; 330. a driving seat; 340. a water mist hole; 400. resetting the tension spring; 500. a driving element; 600. a lower guide plate; 610. a lower scraper; 620. a nut seat; 700. a water mist spray head; 800. an intermediate guide plate.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, descriptions such as those referred to herein as "first," "second," "a," and the like are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

As shown in fig. 1-4, a mill outlet guide, comprising: rolling mill 100, base 200, upper guide 300, return tension spring 400, and drive element 500.

Wherein the rolling mill 100 is provided with an upper work roll 110.

Wherein, the base 200 is provided with a hinge base 210 and a mounting base 220.

One end of the upper guide plate 300 is hinged to the hinge seat 210, an upper scraping plate 310 is disposed at the other end of the upper guide plate 300, the upper guide plate 300 can contact with the upper working roller 110 through the upper scraping plate 310, and the upper guide plate 300 is further provided with a pull spring seat 320 and a driving seat 330.

One end of the reset tension spring 400 is connected with the mounting seat 220, the other end of the reset tension spring 400 is connected with the tension spring seat 320, and the reset tension spring 400 can pull the tension spring seat 320 to drive the upper guide plate 300 to rotate towards the direction close to the upper working roller 110.

The driving element 500 is connected to the base 200, the driving seat 330 is connected to the driving element 500, and the driving element 500 may drive the driving seat 330 to drive the upper guide 300 to rotate in a direction approaching to the upper working roller 110 or in a direction separating from the upper working roller 110.

Preferably, the driving element 500 may be a pneumatic cylinder or a hydraulic cylinder.

In the present embodiment, when the driving element 500 does not apply a force to the upper guide 300, the return tension spring 400 still pulls the tension spring seat 320 to rotate the upper guide 300 in a direction approaching the upper working roller 110 and make the upper scraper 310 abut against the upper working roller 110, so that the guide does not immediately drop even if the driving element 500 fails to apply a force to the upper guide 300 due to an unexpected situation.

It should be noted that, the driving element 500 may also drive the driving seat 330 to rotate the upper guide plate 300 in a direction approaching to the upper working roller 110, so that the upper scraper 310 is tightly abutted to the upper working roller 110 to bear a large water pressure, or drive the upper guide plate 300 to rotate in a direction away from the upper working roller 110 without cooling water to prevent the upper scraper 310 from wearing.

As shown in fig. 1 and 2, on the basis of the above embodiment, the mounting base 220 is provided with a first adjusting bolt 221, a first adjusting nut (not shown in the drawings), and an adjusting waist hole 222, the adjusting waist hole 222 is distributed along the height of the mounting base 220, the first adjusting bolt 221 can move along the length direction of the adjusting waist hole 222, and the first adjusting nut is detachably connected with the first adjusting bolt 221, so that the first adjusting bolt 221 can be fixed relative to the adjusting waist hole 222.

In the present embodiment, the change of the connection end point position between the return tension spring 400 and the mounting seat 220 can be achieved by the movement and fastening of the first adjusting bolt 221 and the first adjusting nut, and the initial length of the return tension spring 400 is changed to adjust the force applied to the upper guide 300.

As shown in fig. 1, 2 and 4, the rolling mill 100 further includes a lower guide plate 600, the lower guide plate 600 is connected to the base 200, one end of the lower guide plate 600 is provided with a lower scraper 610, and the rolling mill 100 is further provided with a lower working roll 120, and the lower guide plate 600 may contact with the lower working roll 120 through the lower scraper 610.

In the present embodiment, the lower blade 610 of the lower guide plate 600 contacts the lower work rolls 120 to prevent cooling water sprayed to the lower work rolls 120 from falling to the surface of the strip to affect the surface quality of the strip.

As shown in fig. 1 and 2, on the basis of the above embodiment, the base 200 is further provided with an adjustment seat 230, the adjustment seat 230 is provided with a second adjustment bolt 231 and a second adjustment nut 232, the lower guide plate 600 is further provided with a nut seat 620, the nut seat 620 is in threaded connection with the second adjustment bolt 231 so as to be movable relative to the adjustment seat 230, and the second adjustment nut 232 is detachably connected with the second adjustment bolt 231 so as to fix the second adjustment bolt 231 relative to the adjustment seat 230.

In the present embodiment, the position of the nut seat 620 with respect to the adjustment seat 230 can be changed by the movement and tightening of the second adjustment bolt 231 and the second adjustment nut 232, and the position of the lower guide plate 600 is adjusted to adjust the degree of tightness with which the lower blade 610 abuts against the lower work roll 120.

As shown in fig. 1 and 2, in addition to the above embodiment, the present utility model further includes a water mist nozzle 700, wherein the upper guide plate 300 and the lower guide plate 600 are provided with water mist holes 340, the water mist nozzle 700 is connected to the base 200 and faces the water mist holes 340, and water mist sprayed from the water mist nozzle 700 can pass through the water mist holes 340.

In this embodiment, the water mist sprayer 700 is used for removing dust from water mist, and the water mist can be sprayed by the water mist sprayer 700 to clean the surfaces of the upper guide plate 300 and the lower guide plate 600 in the non-working state, so that dust accumulated on the surfaces of the upper guide plate 300 and the lower guide plate 600 is prevented from affecting the quality of strip steel.

As shown in fig. 1, 2 and 3, the base 200 further includes an intermediate guide 800, and the base 200 is further provided with a rotation shaft 240 and an abutment block 250, one end of the intermediate guide 800 is rotatably connected to the base 200 through the rotation shaft 240, the other end of the intermediate guide 800 is in contact with the abutment block 250, and the abutment block 250 limits the maximum rotation range of the intermediate guide 800.

In the present embodiment, the middle guide plate 800 serves as an auxiliary support, one end of the middle guide plate 800 is rotatably connected to the base 200 through the rotation shaft 240, and the abutment block 250 limits the middle guide plate 800 to continue to rotate when the middle guide plate 800 rotates until the other end contacts the abutment block 250, thereby serving as a support limit.

Claims

1. A rolling mill outlet guide and guard comprising:

a rolling mill provided with an upper work roll;

the base is provided with a hinging seat and a mounting seat;

2. A mill outlet guide and guard according to claim 1, wherein: the mounting seat is provided with a first adjusting bolt, a first adjusting nut and an adjusting waist hole, the adjusting waist hole is distributed along the height of the mounting seat, the first adjusting bolt can move along the length direction of the adjusting waist hole, and the first adjusting nut is detachably connected with the first adjusting bolt so that the first adjusting bolt can be fixed relative to the adjusting waist hole.

3. A mill outlet guide and guard according to claim 1, wherein: the rolling mill is characterized by further comprising a lower guide plate, wherein the lower guide plate is connected with the base, a lower scraping plate is arranged at one end of the lower guide plate, a lower working roller is further arranged on the rolling mill, and the lower guide plate can be contacted with the lower working roller through the lower scraping plate.

4. A mill outlet guide as claimed in claim 3, wherein: the base is further provided with an adjusting seat, the adjusting seat is provided with a second adjusting bolt and a second adjusting nut, the lower guide plate is further provided with a nut seat, the nut seat is in threaded connection with the second adjusting bolt so as to be movable relative to the adjusting seat, and the second adjusting nut is detachably connected with the second adjusting bolt so as to enable the second adjusting bolt to be fixed relative to the adjusting seat.

5. A mill outlet guide as claimed in claim 3, wherein: still include the water smoke shower nozzle, go up the baffle with lower baffle all is provided with the water smoke hole, the water smoke shower nozzle with the pedestal connection and face the water smoke hole, water smoke shower nozzle spun water smoke can pass the water smoke hole.

6. A mill outlet guide and guard according to claim 1, wherein: the middle guide plate is characterized by further comprising a middle guide plate, the base is further provided with a rotating shaft and an abutting block, one end of the middle guide plate is rotatably connected with the base through the rotating shaft, the other end of the middle guide plate is in contact with the abutting block, and the abutting block limits the maximum rotating range of the middle guide plate.