CN219442916U - Profile steel finishing mill - Google Patents
Profile steel finishing mill Download PDFInfo
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- CN219442916U CN219442916U CN202320116690.1U CN202320116690U CN219442916U CN 219442916 U CN219442916 U CN 219442916U CN 202320116690 U CN202320116690 U CN 202320116690U CN 219442916 U CN219442916 U CN 219442916U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 56
- 239000010959 steel Substances 0.000 title claims abstract description 56
- 230000007246 mechanism Effects 0.000 claims abstract description 50
- 238000003825 pressing Methods 0.000 claims abstract description 18
- 230000009471 action Effects 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims description 61
- 239000003638 chemical reducing agent Substances 0.000 claims description 28
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 238000005096 rolling process Methods 0.000 description 29
- 230000033001 locomotion Effects 0.000 description 15
- 238000000034 method Methods 0.000 description 7
- 230000001360 synchronised effect Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 238000005097 cold rolling Methods 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005098 hot rolling Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model provides a section steel finishing mill, and belongs to the technical field of section steel finishing equipment; the device comprises a machine body, wherein a plurality of groups of roller groups are arranged in the machine body, a driving mechanism is arranged on the machine body and drives the roller groups to work, a sliding mechanism is arranged between the driving mechanism and the machine body, so that the driving mechanism can move on the machine body, the rollers in the roller groups rotate and simultaneously perform pressing or lifting actions, and the roller groups, the driving mechanism and the sliding mechanism are the same in number and correspond to each other; the utility model can solve the problem of fluctuation of the dimensional tolerance of the section of the rolled section steel, accurately correct the dimension of the hot rolled product, ensure the consistency of the product, improve the compactness and the surface finish of the section steel and improve the production efficiency.
Description
Technical Field
The utility model relates to the technical field of profile steel finishing equipment, in particular to a profile steel finishing mill.
Background
The rolling mill is used for processing rolled pieces to generate shaping deformation, is equipment for realizing a metal rolling process, and is used for passing through rotating working rolls, wherein the rotating working rolls apply shaping pressure to the rolled pieces so as to realize rolling.
The linear guide rail is also called a linear rail and a linear slide rail, is used for the occasion of linear reciprocating motion, can bear a certain torque, and can realize high-precision linear motion under the condition of high load. The linear guide rail pair is composed of guide rail, slide block, reverser, rolling body and retainer, and is a new type rolling bearing capable of making relative reciprocating linear motion, and can utilize the rolling of steel ball between slide block and guide rail to replace direct sliding contact, and the rolling body can implement infinite circulation in the rollaway nest and slide block by means of reverser, and has the advantages of simple structure, small dynamic and static friction coefficient, high positioning accuracy and good accuracy retention. The sliding block is used for supporting and guiding the moving part to do reciprocating linear motion according to a given direction.
The sliding block of the linear guide rail pair is generally formed by heating treatment of a single-piece forging post machine, and a small-size sectional forming process for drawing a strip material is also adopted. Machining the middle and large-size profile steel with a certain machining allowance, and cutting the profile steel bar into single pieces, and then machining and assembling the single pieces; the use of the slide block type steel has the advantages of low cost, high processing efficiency and the like, the slide block type steel is formed by directly heating a steel billet and rolling the steel billet by a roller, and the smaller the dimensional tolerance of the steel billet is, the lower the processing cost is for the manufacture of the slide block due to the characteristics of a hot rolling process. In view of the smaller and smaller dimensional tolerance requirements of section steel, the surface quality is also required to be higher.
The prior art section steel rolling has the following disadvantages: the section size of the rolled section steel fluctuates greatly and the subsequent section shape is not changed any more, so that the processing allowance of the subsequent section shape is large; in the automatic production, the produced profile steel has large size fluctuation and is not easy to use a standard tool for mass production; the surface finish of the produced section steel is insufficient, and the problems after the product electroplating are more obvious due to the quality problems of the surface products.
Disclosure of Invention
The utility model aims to solve the technical problems of large fluctuation of the size and insufficient finish of rolled section steel in the prior art by providing a section steel finishing mill.
In order to solve the technical problems, the utility model provides the following technical scheme:
the section steel finishing mill comprises a mill body, wherein a roller group is arranged in the mill body, a driving mechanism is arranged on the mill body, the driving mechanism controls the roller group to work, and the rollers in the roller group rotate and simultaneously perform pressing or lifting actions.
Preferably, the number of the roller groups and the number of the driving mechanisms are the same and correspond to each other one by one, and at least two groups are adopted.
Preferably, the roll sets are four groups, and the revolution axes of the four groups of roll sets are arranged in a cross shape; the four roller groups are symmetrically arranged at the center of the machine body; the rotation axes of the first roller groups are horizontally arranged, and the third roller groups form an included angle of 180 degrees with the rotation axes of the first roller groups; the rotation axes of the second roller group and the fourth roller group also form an included angle of 180 degrees; the rotation axes of the first roller group and the second roller group are orthogonal to form an included angle of 90 degrees; the four roller groups form a set of plane four-group roller system with square and coplanar rotation axes.
Preferably, the rolls in the four sets of rolls form square pass, and rolling pass corresponding to the cross-sectional shape of the finished product is formed on the rolls, and the four sets of rolls are opposite to each other.
Preferably, the driving mechanism comprises a servo spindle motor, the servo spindle motor is connected with and drives a main transmission speed reducer, the main transmission speed reducer is connected with a transmission shaft, the transmission shaft is coaxially assembled in a transmission sleeve, and the transmission sleeve is connected with the corresponding roller group.
Preferably, the roller group comprises a roller fixing frame and a roller movable frame which are detachably assembled together, a semicircular hole is respectively arranged at the front and rear corresponding positions of the two structures, a whole circular hole is formed after the two structures are assembled together, and a roller shaft penetrates through the circular hole and can rotate in the circular hole;
the utility model discloses a roll, including roll mount, screw hole, adjustment gear, adjusting gear, screw hole has been seted up in the middle of the roll mount terminal surface, the one end of roll adjustment axle is rotatory, the adjusting gear is installed to the other end of roll adjustment axle, the adjusting gear is connected with the adjustment speed reducer through transmission, the adjustment speed reducer can be with fixed law to two direction rotations, drive the adjusting gear, then make the adjusting gear drives roll adjustment axle is with fixed law is continuous to two direction rotations, namely makes roll adjustment axle one end is in screw hole precession screw out to this adjusts the position of roll group makes the roll accomplishes the action of pushing down or lifting.
Preferably, one end of the transmission sleeve is coaxially provided with the transmission shaft, and the other end of the transmission sleeve is coaxially connected with the roller shaft; when the roller is pressed down or lifted up, the transmission shaft synchronously moves, namely a moving mechanism is arranged between the main transmission speed reducer and the machine body, and the moving mechanism can enable the transmission shaft and the roller to move in the same direction and the same distance and the same speed.
Preferably, the U-shaped through holes are formed in the center of the machine body in a mode of being perpendicular to the front surface and the rear surface of the machine body, the position and the shape of the U-shaped through holes correspond to those of the roller group, four U-shaped through holes form four guide grooves, the four guide grooves are arranged in a cross shape, the center surfaces of the two opposite guide grooves are coplanar, one group of two opposite guide grooves pass through the vertical middle surface of the machine body, and the other group of two opposite guide grooves pass through the horizontal middle surface of the machine body.
Preferably, the size of the guide groove is the same as the width of the roller fixing frame, clearance fit is adopted between the guide groove and the roller fixing frame, and a space formed by the middle intersection of the four groups of guide grooves is used for accommodating the roller groups; two symmetrical bolt holes and grooves are formed in the front and rear surfaces of the machine body at two sides of the outer side of each guide groove, a roller frame pressing block is fixed in the groove through bolts, and the guide grooves are restrained and the roller frame pressing block is pressed by friction so that the roller fixing frame is limited in the guide grooves and slides along the guide grooves.
Preferably, a backing plate is arranged between the machine body and the moving mechanism, and the backing plate and the moving mechanism are perpendicular to the rotation axis of the roller; the transmission shaft penetrates through the hole of the machine body to form a slotted hole, and the slotted hole is coplanar in space and perpendicular to the threaded hole through which the roller adjusting shaft penetrates.
Compared with the prior art, the utility model has at least the following beneficial effects:
in the scheme, a precise cold rolling process is added to the rolling of the steel, so that the problem of fluctuation of the section size tolerance of the section steel is solved, the size of a hot rolled product is accurately corrected, and the consistency of the product is ensured; the compactness of the section steel is improved, so that the mechanical strength is improved, and the surface smoothness is increased; the rolled section steel has good dimensional consistency, can be processed by an automatic production line, improves the production efficiency and reduces the production cost.
Drawings
The accompanying drawings, which are incorporated herein and form a part of the specification, illustrate embodiments of the present disclosure and, together with the description, further serve to explain the principles of the disclosure and to enable a person skilled in the pertinent art to make and use the disclosure.
FIG. 1 is an isometric view of a section bar rolled by a section finishing mill according to one embodiment of the present utility model;
FIG. 2 is a schematic view showing the structure of a section steel finishing mill according to an embodiment of the present utility model;
FIG. 3 is a front elevational view of a section finishing block according to one embodiment of the utility model;
FIG. 4 is a schematic view showing a semi-sectional structure of a section steel finishing mill according to an embodiment of the present utility model;
FIG. 5 is a schematic view of the body of a section finishing mill according to one embodiment of the present utility model;
fig. 6 is a schematic view showing a roll set structure of a section steel finishing mill according to an embodiment of the present utility model.
[ reference numerals ]
1. A first roll set; 2. a second roll set; 3. a third roll set; 4. a fourth roll set; 5. a body; 6. pressing blocks of a rolling frame; 7. a main drive speed reducer; 8. a servo spindle motor; 9. a transmission shaft; 10. a guide groove; 601. a roller fixing frame; 602. a roller movable frame; 603. a roller adjusting shaft; 604. an adjusting gear; 605. a transmission sleeve; 606. and (5) rolling.
While particular structures and devices are shown in the drawings to enable a clear implementation of embodiments of the utility model, this is for illustrative purposes only and is not intended to limit the utility model to the particular structures, devices and environments, which may be modified or adapted by those of ordinary skill in the art, as desired, and which remain within the scope of the appended claims.
Detailed Description
The following describes a section steel finishing block provided by the present utility model in detail with reference to the accompanying drawings and specific examples. While the utility model has been described herein in terms of the preferred and preferred embodiments, the following embodiments are intended to be more illustrative, and may be implemented in many alternative ways as will occur to those of skill in the art; and the accompanying drawings are only for the purpose of describing the embodiments more specifically and are not intended to limit the utility model specifically.
It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the relevant art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.
Generally, the terminology may be understood, at least in part, from the use of context. For example, the term "one or more" as used herein may be used to describe any feature, structure, or characteristic in a singular sense, or may be used to describe a combination of features, structures, or characteristics in a plural sense, depending at least in part on the context. In addition, the term "based on" may be understood as not necessarily intended to convey an exclusive set of factors, but may instead, depending at least in part on the context, allow for other factors that are not necessarily explicitly described.
It will be understood that the meanings of "on … …", "over … …" and "over … …" in this disclosure should be interpreted in the broadest sense so that "on … …" means not only "directly on" but also includes meaning "directly on" something with intervening features or layers therebetween, and "over … …" or "over … …" means not only "on" or "over" something, but also may include its meaning "on" or "over" something without intervening features or layers therebetween.
Furthermore, spatially relative terms such as "under …," "under …," "lower," "above …," "upper," and the like may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may be otherwise oriented and the spatially relative descriptors used herein may similarly be interpreted accordingly.
As shown in fig. 2 to 6, the embodiment of the present utility model provides a section steel finishing mill, which includes a machine body 5, in which roll sets are installed in the machine body 5, the number of the roll sets is at least two, and according to the bilateral symmetry cross-section shape of the sliding block section steel, the embodiment adopts a four-roll rolling structure, so that the roll sets are preferably four sets. The machine body 5 is provided with a driving mechanism, the driving mechanism drives the roller group to work, a sliding mechanism is arranged between the driving mechanism and the machine body 5, the sliding mechanism enables the driving mechanism to slide on the machine body 5, an adjusting driving mechanism is further arranged in the machine body 5, the adjusting driving mechanism can control the roller group and the driving mechanism to synchronously move, and the rollers 606 in the roller group can synchronously rotate and move to finish pressing or lifting actions.
The number of the roller groups, the driving mechanisms, the sliding mechanisms and the adjusting driving mechanisms is the same and corresponds to one, and the number of the roller groups, the driving mechanisms, the sliding mechanisms and the adjusting driving mechanisms is at least two, and the embodiment is preferably four. The rotation axes of the four roller groups are coplanar and are arranged in a cross shape; the four roller groups are symmetrically arranged at the center of the machine body 5, the rotation axis of the first roller group 1 is horizontally arranged, the third roller group 3 forms an included angle of 180 degrees with the rotation axis of the first roller group 1, and the rotation axes of the second roller group 2 and the fourth roller group 4 also form an included angle of 180 degrees; the rotation axes of the first roller group 1 and the second roller group 2 are orthogonal to form an included angle of 90 degrees, and the four roller groups form a set of plane four-group roller systems with square and coplanar rotation axes. The rolls 606 in the four-set roll set form square pass, and rolling pass corresponding to the section shape of the finished product is formed on the rolls 606, and every two sets of the four-set rolls 606 are opposite.
As shown in fig. 5, the body 5 is a unitary forged steel part, and is a unitary regular-shaped body, preferably square or rectangular; the center of the machine body 5 is provided with U-shaped through holes which are perpendicular to the front and back surfaces of the machine body 5, the positions and the shapes of the U-shaped through holes are correspondingly arranged with the roller groups and the roller 606 holes, the four U-shaped through holes form four guide grooves 10, the four guide grooves 10 are arranged in a cross shape, the center surfaces of every two opposite guide grooves 10 are coplanar, one group of two opposite guide grooves 10 pass through the vertical middle surface of the machine body 5, and the other group of two opposite guide grooves 10 pass through the horizontal middle surface of the machine body 5.
As shown in fig. 6, the roll set includes a roll fixing frame 601 and a roll movable frame 602, the roll movable frame 602 is pressed on the roll fixing frame 601 by bolts to enable the roll fixing frame 601 and the roll movable frame 602 to be detachably assembled together to form a U-shaped groove structure after assembly, the front and rear corresponding positions of the roll fixing frame 601 and the roll movable frame 602 are respectively provided with a semicircular hole, the two semicircular holes after assembly of the roll fixing frame 601 and the roll movable frame 602 form a complete circular hole, namely, the front and rear corresponding positions of the U-shaped groove structure formed after assembly are respectively provided with a complete circular hole, and a roll shaft provided with a wear-resistant sleeve penetrates through the circular hole and can rotate in the circular hole to drive the roll 606 to rotate.
Screw threads are formed at one end of the roller adjusting shaft 603, a screw hole is formed in the middle of the end face of the roller fixing frame 601, one end of the roller adjusting shaft 603 with the screw threads is screwed in the screw hole, and an adjusting gear 604 is arranged at the other end of the roller adjusting shaft 603. One end of the driving sleeve 605 is coaxially assembled and connected with the corresponding roller shaft.
As shown in fig. 1-5, the size of the guide groove 10 is the same as the width of the roller fixing frame 601, and a clearance fit is adopted between the guide groove 10 and the roller fixing frame, and a space formed by the middle intersection of the four groups of guide grooves 10 is used for accommodating the roller groups; two symmetrical bolt holes and grooves are formed in the front and rear surfaces of the machine body 5 on the outer two sides of each group of guide grooves 10, the rolling frame pressing block 6 is fixed in the grooves through bolts, and the roller fixing frame 601 is limited in the guide grooves 10 and can only slide along the guide grooves 10 due to the constraint of the guide grooves 10 and the friction compaction of the rolling frame pressing block 6, so that the rotation stability of the roller 606 during rolling is ensured.
As shown in fig. 1-5, the driving mechanism comprises a servo spindle motor 8, the servo spindle motor 8 is connected with and drives a main transmission speed reducer 7, and the servo spindle motor 8 is adopted to conveniently adjust and set the rotating speed of a roller 606 so as to ensure that the rolling line speeds on all sides of a workpiece are consistent; the main transmission speed reducer 7 is connected with a transmission shaft 9, the transmission shaft 9 penetrates through the machine body 5 and is coaxially assembled in one end of the transmission sleeve 605, the other end of the transmission sleeve 605 is coaxially assembled with the roller shaft, namely, the main transmission speed reducer 7 provides power for the transmission shaft 9 to rotate, and the transmission sleeve 605 outputs torque to enable the roller shaft to rotate along with the roller shaft and enable the roller 606 to rotate along with the roller shaft. Since the rolls 606 of the four sets of roll groups are required to be pressed down and lifted up, each set of transmission shafts 9 is required to be displaced along with the rolls 606, the holes of the transmission shafts 9 penetrating through the machine body 5 are oblong holes, and the oblong holes are coplanar and perpendicular in space with the threaded holes penetrated by the roll adjusting shafts 603.
The roll 606 is required to complete the pressing or lifting action, so the roll set is provided with a position adjusting mechanism, and the preferred embodiment of the utility model is as follows, and it should be noted that the position adjusting mechanism includes but is not limited to the following schemes:
an adjusting gear 604 is installed at one end of the roller adjusting shaft 603, and the adjusting gear 604 is connected with an adjusting speed reducer (not shown in the figure) through a transmission device, wherein the transmission device and the adjusting speed reducer are both in the prior art and are not described herein again; the adjusting speed reducer can rotate in two directions continuously with fixed regular mechanical reciprocation, and drives the adjusting gear 604, so that the adjusting gear 604 drives the roller adjusting shaft 603 to rotate in two directions continuously with fixed regular mechanical reciprocation, which is not described in detail herein in the prior art, the adjusting gear 604 drives one threaded end of the roller adjusting shaft 603 to rotate in and out of the threaded hole, so as to adjust the position of the roller set, and the roller 606 can finish the pressing or lifting action, so that the purpose of opening and closing the section steel perforation formed by four sets of rollers 606 is achieved.
The rolls 606 in the four sets of roll groups are required to rotate dynamically, and meanwhile, in order to ensure the rolling size of the section steel bars, the rolls 606 are required to be adjusted back and forth in compaction and loosening to ensure the rolling size of finish rolling, so that the rolls 606 are required to finish pressing or lifting, and therefore, when the rolls 606 are pressed or lifted, in order to ensure that the pressing or lifting actions do not affect rotation, a transmission shaft 9 and a main transmission speed reducer 7 which are coaxially sleeved with the rolls 606 are required to synchronously move in a straight line, namely, a moving mechanism is arranged between the main transmission speed reducer 7 and a machine body 5, and the moving mechanism can enable the transmission shaft 9 and the rolls 606 to move in the same direction and the same distance and the same speed. To increase the fixing area of the main drive reducer 7 and some mechanisms, a backing plate is provided between the machine body 5 and the moving mechanism, the backing plate and the moving mechanism being perpendicular to the rotation axis of the roller 606. The moving mechanism may employ various displacement adjustment techniques in the prior art, and the preferred embodiment of the present application provides one of them for reference:
the sliding mechanism comprises a linear guide pair, the linear guide pair is arranged on a base plate on the machine body 5, a sliding base plate is arranged on a sliding block of the linear guide pair, the number of the sliding blocks is not limited to two in each linear guide of the sliding blocks in the embodiment, the number of the linear guide pairs in the embodiment is preferably two, the linear guide pairs are parallel and spaced a certain distance, and the moving direction of the sliding blocks is consistent with the adjusting direction of the roller 606. The nut arranged on the sliding base plate is matched with the moving screw on the base plate on the machine body to form screw nut, the moving screw is matched with the nut arranged on the sliding base plate by adopting a trapezoidal thread pair, the end part of the moving screw is matched with a moving screw gear, and when the moving screw gear is driven to rotate, the moving screw is driven to rotate at the same time to drive the nut to move, so that the sliding base plate is completed to do linear reciprocating motion; the main drive reducer 7 is mounted on the sliding pad and moves accordingly.
In addition, in order to ensure that the movement of the roller 606 for rotating and pressing and lifting is synchronous with the movement of the main transmission speed reducer 7 and the transmission shaft 9, a synchronous adjustment driving mechanism is preferably arranged on the machine body 5, so that the roller 606 can be pressed or lifted while rotating, and the main transmission speed reducer 7 and the transmission shaft 9 do the movement of the same direction, same distance and same speed with the pressing or lifting of the roller 606. The scheme can be realized by designing other power device control gears and screw nuts, and is not repeated here.
As shown in fig. 1, fig. 1 provides a product rolled by a section steel finishing mill according to an embodiment of the present utility model, a slider section steel; the slide block section steel for the linear guide rail is a strip material which is symmetric in the left-right direction of the cross section shape, is flanged by flanges with certain thickness on two sides and has a length of a plurality of meters after hot rolling, and is subsequently cut off, machined and heat treated to be in a size meeting the requirements of a slide block finished product; the rolling process is a process in which the rolling material is pulled between rolls in different rotational directions by friction between the rolling material and the rolls to cause plastic deformation.
The utility model has the technical effects that a precise cold rolling process is added to the rolling of the steel, the problem of fluctuation of the section size tolerance of the section steel is solved, the size of a hot rolled product is accurately corrected, and the consistency of the product is ensured; the compactness of the section steel is improved, so that the mechanical strength is improved, and the surface smoothness is increased; the rolled section steel has good dimensional consistency, can be processed by an automatic production line, improves the production efficiency and reduces the production cost.
The utility model relates to a specific working flow of a section steel finishing mill, which comprises the following steps:
when the section steel is rolled, the roller is required to rotate to roll the strip, the servo spindle motor 8 provides power for the main transmission speed reducer 7 and transmits the power to the roller 606 through the transmission shaft 9 and the transmission sleeve 606 to enable the roller 606 to rotate, and the pressure ensures the rolling size.
The rolling mill also comprises a roller up-down adjusting and synchronizing device, when the roller 606 rotates, the adjusting speed reducer drives the adjusting gear 604 through the transmission device to enable the adjusting gear 604 to drive the roller adjusting shaft 603 to rotate in two directions continuously and sequentially according to a fixed rule, then one end of the roller adjusting shaft 603 rotates in and out of the threaded hole in a rotating way, so that the position of the roller group is adjusted, the roller 606 is enabled to finish the pressing or lifting action, and the purpose of adjusting the rolling amount is achieved.
The roller 606 rotates and presses down and lifts up, and meanwhile, the main transmission speed reducer 7 drives the transmission shaft 9 to move in the same direction and same distance and same speed as the roller 606. By installing the synchronous adjustment driving mechanism on the machine body 5, the synchronous adjustment driving mechanism drives the movable screw rod gear to rotate while the roller 606 rotates and is pressed down and lifted up, and drives the movable screw rod to rotate, so that the nut drives the main transmission speed reducer 7 on the sliding pad plate to do linear motion, and the transmission shaft 9 also moves along with the movement. The main transmission reducer 7 makes reciprocating rectilinear motion, that is, the transmission shaft 9 makes reciprocating rectilinear motion, and the distance of the motion direction is the same as and synchronous with the distance of the motion direction of the roller 606.
The multiple groups of roller groups work precisely, and the rotation and movement of the rollers 606 are synchronous, so that the size of a hot rolled product can be corrected, the consistency of the product is ensured, the density of the profile steel is improved, and the produced profile steel has good consistency, so that the processing of an automatic production line can be realized, the production efficiency can be improved, and the cost can be reduced.
The utility model is intended to cover any alternatives, modifications, equivalents, and variations that fall within the spirit and scope of the utility model. In the following description of preferred embodiments of the utility model, specific details are set forth in order to provide a thorough understanding of the utility model, and the utility model will be fully understood to those skilled in the art without such details. In other instances, well-known methods, procedures, flows, components, circuits, and the like have not been described in detail so as not to unnecessarily obscure aspects of the present utility model.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.
Claims (8)
1. The section steel finishing mill is characterized by comprising a mill body, wherein a roller group is arranged in the mill body, a driving mechanism is arranged on the mill body, the driving mechanism controls the roller group to work, and the rollers in the roller group rotate and simultaneously perform pressing or lifting actions.
2. The section steel finishing mill of claim 1, wherein the number of the roller groups and the driving mechanisms are the same and correspond one to one, and at least two groups are provided.
3. The section steel finishing mill according to claim 1, wherein the driving mechanism comprises a servo spindle motor, the servo spindle motor is connected with and drives a main transmission speed reducer, the main transmission speed reducer is connected with a transmission shaft, the transmission shaft is coaxially assembled in a transmission sleeve, and the transmission sleeve is connected with the corresponding roller group.
4. The section steel finishing mill according to claim 3, wherein the roller group comprises a roller fixing frame and a roller movable frame which are detachably assembled together, and the front and rear corresponding positions of the two structures are respectively provided with a semicircular hole, after being assembled together, a whole circular hole is formed, and a roller shaft passes through the circular hole and can rotate in the circular hole;
the utility model discloses a roll, including roll mount, screw hole, adjustment gear, adjusting gear, screw hole has been seted up in the middle of the roll mount terminal surface, the one end of roll adjustment axle is rotatory, the adjusting gear is installed to the other end of roll adjustment axle, the adjusting gear is connected with the adjustment speed reducer through transmission, the adjustment speed reducer can be with fixed law to two direction rotations, drive the adjusting gear, then make the adjusting gear drives roll adjustment axle is with fixed law is continuous to two direction rotations, namely makes roll adjustment axle one end is in screw hole precession screw out to this adjusts the position of roll group makes the roll accomplishes the action of pushing down or lifting.
5. The section steel finishing mill according to claim 4, wherein one end of the transmission sleeve is coaxially provided with the transmission shaft, and the other end of the transmission sleeve is coaxially connected with the roll shaft; when the roller is pressed down or lifted up, the transmission shaft synchronously moves, namely a moving mechanism is arranged between the main transmission speed reducer and the machine body, and the moving mechanism can enable the transmission shaft and the roller to move in the same direction and the same distance and the same speed.
6. The section steel finishing mill according to claim 4, wherein the center of the mill body is provided with four U-shaped through holes perpendicular to the front and rear surfaces of the mill body, the position and shape of the through holes correspond to those of the roller group, the four U-shaped through holes form four guide grooves, the four guide grooves are arranged in a cross shape, the center surfaces of the two opposite guide grooves are coplanar, one group of the two opposite guide grooves pass through the vertical middle surface of the mill body, and the other group of the two opposite guide grooves pass through the horizontal middle surface of the mill body.
7. The section steel finishing mill according to claim 6, wherein the guide grooves have the same size as the width of the roller fixing frame, and are in clearance fit, and a space formed by the middle intersection of four groups of the guide grooves is used for accommodating the roller groups; two symmetrical bolt holes and grooves are formed in the front and rear surfaces of the machine body at two sides of the outer side of each guide groove, a roller frame pressing block is fixed in the groove through bolts, and the guide grooves are restrained and the roller frame pressing block is pressed by friction so that the roller fixing frame is limited in the guide grooves and slides along the guide grooves.
8. The section steel finishing mill according to claim 5, wherein a shim plate is provided between the machine body and the moving mechanism, the shim plate and the moving mechanism being perpendicular to the rotation axis of the roll; the transmission shaft penetrates through the hole of the machine body to form a slotted hole, and the slotted hole is coplanar in space and perpendicular to the threaded hole through which the roller adjusting shaft penetrates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320116690.1U CN219442916U (en) | 2023-02-06 | 2023-02-06 | Profile steel finishing mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320116690.1U CN219442916U (en) | 2023-02-06 | 2023-02-06 | Profile steel finishing mill |
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| CN116159864A (en) * | 2023-02-06 | 2023-05-26 | 安阳豫德机械有限公司 | Profile steel finishing mill |
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