阅读说明：本技术 一种优质碳素结构钢带的冷轧方法及装置 (Cold rolling method and device for high-quality carbon structural steel strip ) 是由 杨嘉昊 于 2021-09-13 设计创作，主要内容包括：本发明涉及冷轧设备技术领域,具体涉及一种优质碳素结构钢带的冷轧方法及装置；上下料机构的数量为两组,两组上下料机构对称设置在底座的两端,除杂质机构设置在底座的上方,并位于其中一组上下料机构的一侧,冷轧机构设置在底座的上方,并位于底座的中间位置,且位于除杂质机构的一侧,上部降温机构和下部降温机构相对设置,并位于冷轧机构的一侧,且靠近另外一组上下料机构,通过以上结构设置,使得本装置在加工时能够将钢带表面的毛刺和杂质进行去除,并且能够进行快速降温,从而保证了钢带的加工精度和质量。(The invention relates to the technical field of cold rolling equipment, in particular to a cold rolling method and a cold rolling device for a high-quality carbon structural steel strip; the quantity of going up unloading mechanism is two sets of, two sets of both ends of going up unloading mechanism symmetry setting at the base, the impurity removal mechanism sets up the top at the base, and be located one side of one set of unloading mechanism of going up wherein, cold rolling mechanism sets up the top at the base, and be located the intermediate position of base, and be located one side of impurity removal mechanism, upper portion cooling mechanism and lower part cooling mechanism set up relatively, and be located one side of cold rolling mechanism, and be close to another a set of unloading mechanism of going up, through above structure setting, make this device can get rid of burr and impurity on steel band surface man-hour, and can carry out rapid cooling, thereby the machining precision and the quality of steel band have been guaranteed.)

1. A cold rolling device for high-quality carbon structural steel strip is characterized in that,

the cold rolling device for the high-quality carbon structural steel strip comprises a base, two groups of feeding and discharging mechanisms, impurity removing mechanisms, cold rolling mechanisms, lower cooling mechanisms and upper cooling mechanisms, wherein the two groups of feeding and discharging mechanisms are symmetrically arranged at two ends of the base;

every group go up unloading subassembly includes fixing base, support frame, first motor, first pivot and material book, the quantity of fixing base is two, two the fixing base sets up relatively the top of base, the quantity of support frame is two, two the support frame respectively with correspond fixing base fixed connection, first motor and one of them fixing base fixed connection, and be located one side of fixing base, the one end of first pivot with the output fixed connection of first motor, the other end of first pivot passes the fixing base and with the support frame rotates to be connected, material book dismantlement is connected the outside of first pivot.

2. The cold rolling apparatus for a high-quality carbon structural steel strip as claimed in claim 1,

the impurity removing mechanism comprises two vertical plates, an impurity removing platform, a rack, a second motor, a second rotating shaft, a first synchronous wheel, a swing rod, a connecting shaft, a second synchronous wheel, a synchronous belt and a grinding wheel, wherein the two vertical plates are oppositely arranged above the base, the impurity removing platform is arranged between the two vertical plates, the rack is fixedly connected with one vertical plate and positioned at one side of the vertical plate, the second motor is fixedly connected with the rack and positioned above the rack, one end of the second rotating shaft is fixedly connected with the output end of the second motor, the other end of the second rotating shaft is arranged above the impurity removing platform, the first synchronous wheel is arranged outside the second rotating shaft, one end of the swing rod is rotatably connected with the second rotating shaft, and the other end of the swing rod is rotatably connected with the connecting shaft, the second synchronizing wheel is arranged outside the connecting shaft, the synchronous belt sleeve is arranged outside the first synchronizing wheel and the second synchronizing wheel, and the grinding wheel is fixedly connected with the second synchronizing wheel and located at the bottom of the second synchronizing wheel.

3. The cold rolling apparatus for a high-quality carbon structural steel strip as claimed in claim 1,

cold rolling mechanism includes backup pad, third motor, third pivot, goes up the cold roll and cold roll down, the quantity of backup pad is two, two the backup pad sets up relatively the top of base, third motor and one of them backup pad fixed connection, and be located one side of backup pad, the quantity of third pivot is two, two the third pivot sets up relatively two between the backup pad, one of them the one end of third pivot with the output fixed connection of third motor, go up the cold roll with the cold roll sets up respectively down and corresponds the outside of third pivot.

4. The cold rolling apparatus for a high-quality carbon structural steel strip as claimed in claim 1,

lower part cooling mechanism includes fixed plate, fourth motor, fourth pivot, cooling rod and first cotton that absorbs water, the quantity of fixed plate is two, two the fixed plate sets up relatively the top of base, fourth motor and one of them fixed plate fixed connection, and be located one side of fixed plate, the one end of fourth pivot with the output fixed connection of fourth motor, the other end and the other one of fourth pivot the fixed plate rotates to be connected, the cooling roller sets up the outside of fourth pivot, first cotton setting that absorbs water is in the outside of cooling roller.

5. The cold rolling apparatus for a high-quality carbon structural steel strip as claimed in claim 4,

the lower part cooling mechanism further comprises a water storage basin, wherein the water storage basin is fixedly connected with the base and is positioned above the base and below the cooling roller.

6. The cold rolling apparatus for a high-quality carbon structural steel strip as claimed in claim 5,

the lower part cooling mechanism further comprises a water outlet pipe, and the water outlet pipe is communicated with the water storage basin and is positioned on one side of the water storage basin.

7. A cold rolling method using a cold rolling apparatus for a high quality carbon structural steel strip as claimed in claim 3, comprising the steps of:

polishing the surface burrs and impurities of the semi-finished product of the steel belt by using the impurity removing mechanism;

the polished steel strip semi-finished product is subjected to cold rolling through the cold rolling mechanism, so that a steel strip finished product is manufactured;

the surface of the cold-rolled steel strip is cooled through the lower cooling mechanism and the upper cooling mechanism, so that the steel strip is prevented from deforming due to high temperature;

and rolling the cooled steel belt finished product through one group of the feeding and discharging mechanisms so as to finish the manufacturing.

Technical Field

The invention relates to the technical field of cold rolling equipment, in particular to a cold rolling method and device for a high-quality carbon structural steel strip.

Background

The steel belt is a conveying belt made of carbon steel and used as a traction and carrying component of the belt conveyor and can also be used for binding goods; the steel plate is a narrow and long steel plate produced by various steel rolling enterprises in order to meet the requirements of different industrial departments on industrialized production of various types of metal or mechanical products; the steel strip is generally supplied in a coil form, and has the advantages of high dimensional precision, good surface quality, convenience in processing, material saving and the like.

The steel strip cold rolling device used at present does not have a mechanism for removing impurities such as burrs on the surface of a semi-finished steel strip product and rapidly cooling, so that the steel strip is easy to have the conditions of impurities and overheating deformation in the cold rolling process, and the produced finished steel strip is easy to have the conditions of defective products or unqualified products.

Disclosure of Invention

The invention aims to provide a cold rolling method and a cold rolling device for a high-quality carbon structural steel strip, and aims to solve the problems that the conventional steel strip cold rolling device is not provided with a mechanism for removing impurities such as burrs on the surface of a semi-finished steel strip product and rapidly cooling, so that the steel strip is easy to have the conditions of impurities and overheating deformation in the cold rolling process, and the produced finished steel strip is easy to have the conditions of inferior products or unqualified products.

In order to achieve the purpose, the invention provides a cold rolling device for a high-quality carbon structural steel strip, which comprises a base, a feeding and discharging mechanism, an impurity removing mechanism, a cold rolling mechanism, a lower cooling mechanism and an upper cooling mechanism, wherein the number of the feeding and discharging mechanisms is two, the two feeding and discharging mechanisms are symmetrically arranged at two ends of the base, the impurity removing mechanism is arranged above the base and positioned at one side of one feeding and discharging mechanism, the cold rolling mechanism is arranged above the base and positioned at the middle position of the base and positioned at one side of the impurity removing mechanism, and the upper cooling mechanism and the lower cooling mechanism are oppositely arranged and positioned at one side of the cold rolling mechanism and close to the other feeding and discharging mechanism;

every group go up unloading subassembly includes fixing base, support frame, first motor, first pivot and material book, the quantity of fixing base is two, two the fixing base sets up relatively the top of base, the quantity of support frame is two, two the support frame respectively with correspond fixing base fixed connection, first motor and one of them fixing base fixed connection, and be located one side of fixing base, the one end of first pivot with the output fixed connection of first motor, the other end of first pivot passes the fixing base and with the support frame rotates to be connected, material book dismantlement is connected the outside of first pivot.

Through the arrangement of the feeding and discharging mechanism, the impurity removing mechanism, the cold rolling mechanism, the lower cooling mechanism and the upper cooling mechanism, impurities in semi-finished products can be removed and the steel strip can be rapidly cooled when the steel strip is subjected to cold rolling, so that the processing quality of the steel strip is ensured.

Wherein the impurity removing mechanism comprises two vertical plates, an impurity removing platform, a rack, a second motor, a second rotating shaft, a first synchronous wheel, a swing rod, a connecting shaft, a second synchronous wheel, a synchronous belt and a grinding wheel, the number of the vertical plates is two, the two vertical plates are oppositely arranged above the base, the impurity removing platform is arranged between the two vertical plates, the rack is fixedly connected with one vertical plate and positioned at one side of the vertical plate, the second motor is fixedly connected with the rack and positioned above the rack, one end of the second rotating shaft is fixedly connected with the output end of the second motor, the other end of the second rotating shaft is arranged above the impurity removing platform, the first synchronous wheel is arranged outside the second rotating shaft, one end of the swing rod is rotatably connected with the second rotating shaft, and the other end of the swing rod is rotatably connected with the connecting shaft, the second synchronizing wheel is arranged outside the connecting shaft, the synchronous belt sleeve is arranged outside the first synchronizing wheel and the second synchronizing wheel, and the grinding wheel is fixedly connected with the second synchronizing wheel and located at the bottom of the second synchronizing wheel.

Through setting up the impurity removal mechanism for the semi-manufactured goods of steel band can deburring and impurity, thereby has improved the quality after the finished product processing.

Wherein, cold rolling mechanism includes backup pad, third motor, third pivot, goes up the cold roll and cold roll down, the quantity of backup pad is two, two the backup pad sets up relatively the top of base, third motor and one of them backup pad fixed connection, and be located one side of backup pad, the quantity of third pivot is two, two the third pivot sets up relatively two between the backup pad, one of them the one end of third pivot with the output fixed connection of third motor, go up the cold roll with the cold roll sets up respectively down and corresponds the outside of third pivot.

By arranging the cold rolling mechanism, the semi-finished product of the steel strip can be processed into a qualified finished product.

The lower cooling mechanism comprises two fixing plates, a fourth motor, a fourth rotating shaft, a cooling roller and first water absorption cotton, the two fixing plates are oppositely arranged above the base, the fourth motor is fixedly connected with one of the fixing plates and is located on one side of the fixing plate, one end of the fourth rotating shaft is fixedly connected with the output end of the fourth motor, the other end of the fourth rotating shaft is rotatably connected with the other fixing plate, the cooling roller is arranged outside the fourth rotating shaft, and the first water absorption cotton is arranged outside the cooling roller.

Through setting up lower part cooling mechanism can carry out rapid cooling from the bottom of steel band, has avoided the steel band to produce deformation because of the high fever and influence the product precision.

The lower cooling mechanism further comprises a water storage basin, the water storage basin is fixedly connected with the base and located above the base and below the cooling roller.

Through setting up the water storage basin does lower part cooling mechanism provides the water source for the cooling effect is better.

The lower cooling mechanism further comprises a water outlet pipe, and the water outlet pipe is communicated with the water storage basin and is positioned on one side of the water storage basin.

Through one side of water storage basin sets up the outlet pipe makes water in the water storage basin is convenient to be changed.

The invention also provides a cold rolling method of the cold rolling device for the high-quality carbon structural steel strip, which comprises the following steps:

polishing the surface burrs and impurities of the semi-finished product of the steel belt by using the impurity removing mechanism;

the polished steel strip semi-finished product is subjected to cold rolling through the cold rolling mechanism, so that a steel strip finished product is manufactured;

the surface of the cold-rolled steel strip is cooled through the lower cooling mechanism and the upper cooling mechanism, so that the steel strip is prevented from deforming due to high temperature;

and rolling the cooled steel belt finished product through one group of the feeding and discharging mechanisms so as to finish the manufacturing.

Through the use steps, the precision and the quality of a finished product are ensured in the processing process of the steel strip.

The invention relates to a cold rolling method and a device for a high-quality carbon structural steel strip, which are characterized in that a semi-finished steel strip is arranged on a material coil close to one side of an impurity removing mechanism, the first motor is started to rotate to drive a first rotating shaft to rotate, the material coil rotates, so that the semi-finished steel strip on the material coil can be fed, the semi-finished steel strip passes through the impurity removing mechanism to polish and remove burrs and impurities on the surface of the semi-finished steel strip, the removed semi-finished steel strip is cold-rolled through a cold rolling mechanism to enable the steel strip to be cold-rolled to meet the required size, the surface of the steel strip is rapidly cooled through a lower cooling mechanism and an upper cooling mechanism after the cold rolling, the phenomenon that the steel strip is deformed due to high heat generated during the cold rolling, the precision of the product is influenced is avoided, and the cooled steel strip is collected on the other group of feeding and discharging mechanisms, through the structure setting, the device can remove burrs and impurities on the surface of the steel belt during processing, and can perform rapid cooling, so that the processing precision and quality of the steel belt are guaranteed.

Drawings

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

FIG. 1 is a schematic structural view of a cold rolling apparatus for a high-quality carbon structural steel strip according to the present invention.

FIG. 2 is a plan view of a cold rolling apparatus for a high-quality carbon structural steel strip according to the present invention.

FIG. 3 is a front view of a cold rolling apparatus for a high quality carbon structural steel strip according to the present invention.

Fig. 4 is a sectional view of the structure of fig. 3 taken along line a-a according to the present invention.

Fig. 5 is a schematic structural diagram of a mechanism for removing impurities according to the present invention.

Fig. 6 is a perspective view of a foreign substance removal mechanism provided by the present invention.

FIG. 7 is a flowchart illustrating the operation steps of a method for cold rolling a high quality carbon structural steel strip according to the present invention.

100-cold rolling device of high-quality carbon structural steel strip, 1-base, 2-feeding and discharging mechanism, 21-fixed seat, 22-support frame, 23-first motor, 24-first rotating shaft, 25-material coil, 3-impurity removing mechanism, 31-vertical plate, 32-impurity removing platform, 33-frame, 34-second motor, 341-second rotating shaft, 35-first synchronizing wheel, 36-oscillating bar, 342-connecting shaft, 37-second synchronizing wheel, 38-synchronous belt, 39-polishing wheel, 4-cold rolling mechanism, 41-support plate, 42-third motor, 43-third rotating shaft, 44-upper cold rolling roller, 45-lower cold rolling roller, 5-lower cooling mechanism, 51-fixing plate, 52-fourth motor, 53-fourth rotating shaft, 54-cooling stick, 55-first absorbent cotton, 56-water storage basin, 57-water outlet pipe, 6-upper cooling mechanism, 61-supporting shaft, 62-cooling roller, 63-rotating wheel, 64-belt, 65-water inlet, 66-water outlet and 67-second absorbent cotton.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1 to 6, the present invention provides a cold rolling apparatus 100 for a high quality carbon structural steel strip, the cold rolling device 100 for the high-quality carbon structural steel strip comprises a base 1, a feeding and discharging mechanism 2, an impurity removing mechanism 3, a cold rolling mechanism 4, a lower cooling mechanism 5 and an upper cooling mechanism 6, the number of the feeding and discharging mechanisms 2 is two, the two feeding and discharging mechanisms 2 are symmetrically arranged at two ends of the base 1, the impurity removing mechanism 3 is arranged above the base 1, and is positioned at one side of one group of the feeding and discharging mechanisms 2, the cold rolling mechanism 4 is arranged above the base 1, and is positioned in the middle of the base 1 and at one side of the impurity removing mechanism 3, the upper cooling mechanism 6 and the lower cooling mechanism 5 are arranged oppositely, and is positioned at one side of the cold rolling mechanism 4 and close to the other group of the feeding and discharging mechanisms 2;

every group go up the unloading subassembly and include fixing base 21, support frame 22, first motor 23, first pivot 24 and material book 25, fixing base 21's quantity is two, two fixing base 21 sets up relatively the top of base 1, support frame 22's quantity is two, two support frame 22 respectively with correspond fixing base 21 fixed connection, first motor 23 and one of them fixing base 21 fixed connection, and be located one side of fixing base 21, the one end of first pivot 24 with the output fixed connection of first motor 23, the other end of first pivot 24 passes fixing base 21 and with support frame 22 rotates and connects, material book 25 is dismantled and is connected the outside of first pivot 24.

In the embodiment, a semi-finished steel strip is mounted on the material coil 25 close to one side of the impurity removing mechanism 3, the first motor 23 is started to rotate, the motor drives the first rotating shaft 24 to rotate, the material coil 25 rotates, the semi-finished steel strip on the material coil 25 can be fed, the semi-finished steel strip passes through the impurity removing mechanism 3 to polish and remove burrs and impurities on the surface of the semi-finished steel strip, the removed semi-finished steel strip is cold-rolled by the cold rolling mechanism 4 to enable the steel strip to be cold-rolled into a required size, the surface of the steel strip is rapidly cooled by the lower cooling mechanism 5 and the upper cooling mechanism 6 after the cold rolling, the phenomenon that the steel strip is deformed due to high heat generated during the cold rolling and the precision of a product is influenced is avoided, and the cooled steel strip is collected on the other group of the feeding and discharging mechanisms 2, through the structure setting, the device can remove burrs and impurities on the surface of the steel belt during processing, and can perform rapid cooling, so that the processing precision and quality of the steel belt are guaranteed.

Further, the impurity removing mechanism 3 includes two vertical plates 31, an impurity removing platform 32, a frame 33, a second motor 34, a second rotating shaft 341, a first synchronizing wheel 35, a swing rod 36, a connecting shaft 342, a second synchronizing wheel 37, a synchronous belt 38 and a grinding wheel 39, the two vertical plates 31 are oppositely disposed above the base 1, the impurity removing platform 32 is disposed between the two vertical plates 31, the frame 33 is fixedly connected with one of the vertical plates 31 and is located at one side of the vertical plate 31, the second motor 34 is fixedly connected with the frame 33 and is located above the frame 33, one end of the second rotating shaft 341 is fixedly connected with an output end of the second motor 34, the other end of the second rotating shaft 341 is disposed above the impurity removing platform 32, the first synchronizing wheel 35 is disposed outside the second rotating shaft 341, one end of the swing rod 36 is rotatably connected to the second rotating shaft 341, the other end of the swing rod 36 is rotatably connected to the connecting shaft 342, the second synchronizing wheel 37 is disposed outside the connecting shaft 342, the synchronous belt 38 is sleeved outside the first synchronizing wheel 35 and the second synchronizing wheel 37, and the grinding wheel 39 is fixedly connected to the second synchronizing wheel 37 and located at the bottom of the second synchronizing wheel 37.

In this embodiment, when the steel strip semi-finished product is transmitted to on the impurity removing platform 32, start the second motor 34, the second motor 34 rotates clockwise, drives the second rotating shaft 341 rotates, the second rotating shaft 341 drives the first synchronizing wheel 35 and the swing rod 36 rotates clockwise, and the cover is established at this moment the synchronous belt 38 outside the first synchronizing wheel 35 drives the second synchronizing wheel 37 to rotate and drive the polishing wheel 39 rotates to polish, through the swing rod 36 will the polishing wheel 39 moves to one side, and when the motor rotates counterclockwise, the swing rod 36 rotates simultaneously, will the polishing wheel 39 moves to the other side to polish, so that the polishing range is wider, and the effect is better.

Further, cold rolling mechanism 4 includes backup pad 41, third motor 42, third pivot 43, goes up cold roll 44 and cold roll 45 down, the quantity of backup pad 41 is two, two backup pad 41 sets up relatively the top of base 1, third motor 42 with one of them backup pad 41 fixed connection, and be located one side of backup pad 41, the quantity of third pivot 43 is two, two third pivot 43 sets up relatively two between the backup pad 41, one of them the one end of third pivot 43 with the output fixed connection of third motor 42, go up cold roll 44 with cold roll 45 sets up respectively corresponding down the outside of third pivot 43.

In this embodiment, the steel strip after polishing is placed between the upper cold pressing roll and the lower cold pressing roll, and by starting the third motor 42, the third motor 42 rotates to drive the third rotating shaft 43 to rotate, at this time, the lower cold pressing roll rotates, and the steel strip is subjected to cold rolling processing through the pressure between the upper cold pressing roll 44 and the lower cold pressing roll 45.

Further, the lower cooling mechanism 5 includes two fixing plates 51, a fourth motor 52, a fourth rotating shaft 53, a cooling roller 54 and a first absorbent cotton 55, the two fixing plates 51 are oppositely disposed above the base 1, the fourth motor 52 is fixedly connected to one of the fixing plates 51 and is located on one side of the fixing plate 51, one end of the fourth rotating shaft 53 is fixedly connected to an output end of the fourth motor 52, the other end of the fourth rotating shaft 53 is rotatably connected to the other fixing plate 51, the cooling roller is disposed outside the fourth rotating shaft 53, and the first absorbent cotton 55 is disposed outside the cooling roller; the lower cooling mechanism 5 further comprises a water storage basin 56, wherein the water storage basin 56 is fixedly connected with the base 1, is positioned above the base 1 and is positioned below the cooling roller; the lower cooling mechanism 5 further comprises a water outlet pipe 57, and the water outlet pipe 57 is communicated with the water storage basin 56 and is positioned on one side of the water storage basin 56.

In this embodiment, the steel band after the cold rolling enters into the top of lower part cooling mechanism 5, through fourth motor 52 rotates, drives fourth pivot 53 rotates, the cooling roller also rotates thereupon, in the pivoted time, the bottom of cooling roller is in the inside of water storage box is dipped in the water and is stored on first cotton 55 that absorbs water, the cooling roller lasts the rotation, the water on the first cotton 55 that absorbs water cools off the steel band, through one side setting of water storage basin 56 outlet pipe 57 makes water in the water storage basin 56 conveniently changes.

Further, the upper cooling mechanism 6 includes two support shafts 61, two cooling rollers 62, two runners 63 and a belt 64, the two support shafts 61 are respectively rotatably connected to the corresponding fixing plate 51, the cooling roller 62 is disposed between the two support shafts 61, the inside of the cooling roller 62 is a cavity structure, one side of the cooling roller 62 is provided with a water inlet 65, the two runners 63 are respectively sleeved on the outer portions of one of the support shafts and the fourth rotating shaft 53, and the belt 64 is sleeved on the outer portions of the two runners 63; the upper cooling mechanism 6 further comprises a plurality of water outlet holes 66, the number of the water outlet holes 66 is multiple, and the plurality of water outlet holes 66 are uniformly arranged outside the cooling roller 62; the upper cooling mechanism 6 further comprises second absorbent cotton 67, and the second absorbent cotton 67 is arranged outside the cooling roller 62.

In this embodiment, water is added from the water inlet 65 to the inside of the cooling roller 62, the rotating wheels 63 are arranged outside the fourth rotating shaft 53 and the supporting shaft 61, the belts 64 are sleeved on the two rotating wheels 63, when the fourth motor 52 rotates, the fourth rotating shaft 53 is driven to rotate, the rotating wheels 63 rotate, the belts 64 drive the other rotating wheel 63 to rotate, at this time, the supporting shaft 61 also rotates along with the rotating wheels, the cooling roller 62 also rotates along with the rotating wheels, water in the cooling roller 62 flows out from the water outlet hole 66 and flows into the second absorbent cotton 67 outside the cooling roller 62 to be stored, and when a steel strip contacts the second absorbent cotton 67, the water in the second absorbent cotton 67 can cool the steel strip.

Referring to fig. 7, the present invention also provides a cold rolling method of a cold rolling apparatus 100 for a high quality carbon structural steel strip, comprising the steps of:

s1: polishing burrs and impurities on the surface of the semi-finished product of the steel belt by using the impurity removing mechanism 3;

s2: the polished steel strip semi-finished product is subjected to cold rolling through the cold rolling mechanism 4, so that a steel strip finished product is manufactured;

s3: the surface of the cold-rolled steel strip is cooled through the lower cooling mechanism 5 and the upper cooling mechanism 6, so that the steel strip is prevented from being deformed due to high temperature;

s4: and rolling the cooled steel belt finished product through one group of the feeding and discharging mechanisms 2, thereby completing the manufacturing.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.