CN212944644U

CN212944644U - Online shearing device for unqualified rolled material of small rolling mill

Info

Publication number: CN212944644U
Application number: CN202021256246.2U
Authority: CN
Inventors: 汪俊辉
Original assignee: Lengshuijiang Iron & Steel Co ltd
Current assignee: Lengshuijiang Iron & Steel Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-04-13
Anticipated expiration: 2030-06-30

Abstract

The utility model discloses a roll online shearing mechanism of line little cold bed nonconforming material, including the lifting roll table subassembly that connects gradually, cut roll table subassembly and cutter, the lifting roll table is including setting up in the lifting part of little cold bed bottom, and set up in the multiunit roll table part that the lifting part deviates from ground one end, the parallel interval of multiunit roll table part sets up between the double-phase adjacent conveying chain of little cold bed, with the discharging channel who forms perpendicular little cold bed product direction of transportation, the lifting part is used for lift discharging channel, so that when discharging channel is higher than the conveying chain, be used for with nonconforming unqualified material along shearing roll table subassembly transportation to cutter predetermineeing the position and tailor in order to accomplish. And the unqualified materials are conveyed to the position above the lifting roller way assembly along the small cooling bed, and the lifting component enables the discharge channel to be higher than the top surface of the conveying chain of the small cooling bed. After shearing, the multiple groups of roller way components stop working and descend below the conveying chain, and the small cooling bed continues normal production, so that multiple times of hoisting of transferring of unqualified materials are avoided, and the treatment efficiency of the unqualified materials is improved.

Description

Online shearing device for unqualified rolled material of small rolling mill

Technical Field

The utility model relates to a rod processingequipment field, concretely relates to online shearing mechanism of the small cooling bed nonconforming material of roll line.

Background

The inevitable unqualified products in the bar production process mainly comprise non-dimensional materials and waste materials. The non-scale material refers to a material which is qualified in quality but not qualified in length for sale, and the waste material refers to a material which is qualified in length but not qualified in appearance quality or mechanical property. The partial unqualified materials can not be sold and can only be subjected to furnace returning treatment, and the unqualified materials are required to be cut into scrap steel about one meter for facilitating furnace returning.

The existing online steel mill generally adopts manual sorting to pick out unqualified materials, and then the unqualified materials are lifted to a scrap steel processing point to be uniformly sheared, so that the labor intensity of workers is high, and the unqualified materials are lifted for multiple times to cause low shearing processing efficiency. Therefore, an online shearing device for unqualified materials of a small rolling line cooling bed is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a little cold bed nonconforming material on-line shearing mechanism of line rolling solves the problem that the shearing treatment effeciency is low that current online steel mill exists to nonconforming material.

In order to achieve the purpose, the utility model provides an online shearing device for unqualified materials of a small rolling line cooling bed, which comprises a lifting roller way assembly, a shearing roller way assembly and a shearing machine which are connected in sequence, wherein the lifting roller way comprises a lifting part arranged at the bottom of the small cooling bed and a plurality of groups of roller way parts arranged at one end of the lifting part, which is far away from the ground, the groups of roller way parts are arranged between two adjacent conveying chains of the small cooling bed at intervals in parallel to form a discharging channel vertical to the conveying direction of products of the small cooling bed, and the lifting part is used for lifting the discharging channel to enable the discharging channel to be higher or lower than the conveying chains; and transporting the unqualified materials to a preset position of the shearing machine along the shearing roller way assembly to finish shearing.

Preferably, the lifting component comprises two first bearing seats, two second bearing seats, a bearing, a first crankshaft, a second crankshaft, a connecting rod, a swing oil cylinder and a first roller bed frame; the two first bearing blocks and the two second bearing blocks are arranged on the ground at intervals in parallel, the first crankshaft is rotatably connected between the two first bearing blocks through the bearing, the second crankshaft is rotatably connected between the two second bearing blocks through the bearing, one end of the swing oil cylinder is rotatably connected with the first crankshaft through the connecting rod, the other end of the swing oil cylinder is rotatably connected with the second crankshaft through the connecting rod, the first roller bed frame is hinged to one end, deviating from the ground, of the first crankshaft and the second crankshaft, and the first roller bed frame is perpendicular to the conveying chain and is arranged at the bottom of one end, close to the ground, of the conveying chain.

Preferably, the roller way component comprises two third bearing seats, a first roller body, a chain wheel, a first speed reduction motor and a chain; the two third bearing seats are arranged at one end, away from the ground, of the first roller frame, the first roller body is rotatably connected between the two third bearing seats through the bearing, the chain wheel is sleeved at one end of the first roller body, the first speed reduction motor is arranged below the chain wheel, and the chain is rotatably connected with the chain wheel and an output shaft of the first speed reduction motor.

Preferably, the shearing roller way assembly comprises a support, a second roller way frame, a plurality of groups of rotating rollers and a plurality of groups of roller way cover plates; the support sets up in ground, second roll table frame is followed discharging channel extending direction set up in the support deviates from ground one end, the multiunit live-rollers is followed second roll table frame deviates from the parallel interval of top surface of support sets up, the parallel interval of multiunit roll table apron sets up in two neighbours between the live-rollers to form the draw-in groove that the cross section is the U type.

Preferably, the rotating roller comprises two fourth bearing seats, a second roller body, a coupler and a second speed reduction motor; two fourth bearing frame parallel interval set up in second roller way frame deviates from ground one end, the second roller body pass through the bearing rotate connect in between two fourth bearing frame, second gear motor passes through the shaft coupling and connects the second roller body with the axle center, second gear motor is fixed in second roller way frame deviates from the one end on ground.

Preferably, the roller way cover plates are detachably mounted on two sides of the second roller way frame through fasteners, and the roller way cover plates are perpendicular to the axis line of the second roller body.

Preferably, the shearing machine comprises a base, a horizontal knife board, a rotary baffle, a proximity switch, a cutter head assembly and a driving assembly; the base is arranged on the ground, the horizontal cutting board is parallel to the second roller body is arranged at one end, close to the shearing roller way, of the base, the rotating baffle is parallel to the second roller body, the second roller body is arranged at one end, deviated from the shearing roller way, of the base, the proximity switch is arranged on the base and used for detecting whether unqualified materials reach a preset shearing position, the cutter head assembly is connected in a rotating mode and used for shearing the unqualified materials passing through the horizontal cutting board and reaching the preset shearing position, and the driving assembly is used for driving the cutter head assembly to rotate.

Preferably, the cutter head assembly comprises a cutter head body hinged to the base, a limiting manipulator arranged at one end, close to the shearing roller way, of the cutter head body, and a cutting edge plate arranged on the cutter head body in parallel with the horizontal cutting plate; the limiting manipulator is radially arranged between the base and an included angle formed by the cutting edge plate so as to compress unqualified materials to be sheared.

Preferably, the rotary baffle comprises a rotary shaft, a baffle, two fifth bearing seats, a positioning plate and a limiting plate; the two fifth bearing seats are arranged on the base at intervals in parallel, the rotating shaft is rotatably connected between the two fifth bearing seats through a bearing, the baffle is axially arranged along the rotating shaft, the positioning plate is arranged at one end of the rotating shaft and used for detecting the proximity switch, and the limiting plate is abutted against the baffle and deviates from one side of the tool bit body so as to limit the shearing length of the unqualified material.

Preferably, the shearing machine further comprises a scrap steel collecting hopper arranged on one side of the shearing machine, which is far away from the shearing roller way assembly.

The technical scheme of the utility model in, in the normal production process multiunit roll table part is located the below of conveying chain, qualified material gets into next production processes along the conveying chain. When unqualified materials are conveyed to the position above the lifting roller way assembly along the small cooling bed, the lifting part acts to jack up the plurality of groups of roller way parts, so that the roller surfaces of the roller way parts are higher than the top surface of the conveying chain of the small cooling bed, the discharging channel and the shearing roller way are started, and the unqualified materials are conveyed to the preset position of the shearing machine to complete shearing. And after the shearing is finished, the plurality of groups of roller way components stop working and descend to the lower part of the conveying chain, and the small cooling bed continues to operate to ensure the normal production of qualified materials. In the whole process, the unqualified materials are prevented from being transported to a scrap steel treatment point for multiple times of hoisting, the treatment efficiency of the unqualified materials is greatly improved, and the labor intensity of workers is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 structures shown in the drawings without creative efforts.

Fig. 1 is a top view of the cooling device installed on a small cooling bed according to an embodiment of the present invention.

Fig. 2 is a front view of the embodiment of fig. 1.

Figure 3 is a front view of the elevation table assembly of figure 2.

Fig. 4 is a left side view of fig. 3.

Fig. 5 is a front view of the shear roller assembly of fig. 2.

Fig. 6 is a left side view of fig. 5.

Fig. 7 is a schematic structural diagram of the shearing roller bed assembly connected with the shearing machine in fig. 2.

Fig. 8 is a front view of fig. 7.

FIG. 9 is a process flow for finishing and small cooling bed area.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				1	Lifting roller way assembly	11	Lifting element
111	First bearing seat	112	Second bearing seat
				113	Bearing assembly	114	First crankshaft
115	Second crankshaft	116	Connecting rod
				117	Swing oil cylinder	118	First roller bed frame
119	Ear plate seat	12	Roller way component
				121	Third bearing seat	122	First roller body
123	Chain wheel	124	First speed reduction motor
				125	Chain	2	Shearing roller way assembly
21	Support base	22	Second roller way frame
				23	Rotating roller	231	Fourth bearing seat
232	Second roll body	233	Coupling device
				234	Second speed reduction motor	24	Roller way cover plate
3	Shearing machine	31	Base seat
				32	Horizontal knife board	33	Rotary baffle
331	Rotating shaft	332	Baffle plate
				333	Fifth bearing seat	334	Positioning plate
34	Proximity switch	35	Cutter head assembly
				351	Tool bit body	352	Spacing manipulator
353	Knife edge plate	100	Small cooling bed
				101	Conveying chain	200	Discharge channel
310	Chute

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

The utility model provides a small cold bed nonconforming material on-line shearing device of roll line.

As shown in fig. 1 to 9, the on-line shearing apparatus for unqualified rolled material of small cooling bed in rolling line disclosed in this embodiment includes a lifting roller way assembly 1, a shearing roller way assembly 2, and a shearing machine 3, which are connected in sequence, where the lifting roller way 1 includes a lifting component 11 disposed at the bottom of the small cooling bed 100, and a plurality of roller way components 12 disposed at one end of the lifting component 11 away from the ground, the plurality of roller way components 12 are disposed between two adjacent conveying chains 101 of the small cooling bed 100 at parallel intervals to form a discharging channel 200 perpendicular to the conveying direction of the small cooling bed product, and the lifting component 11 is configured to lift the discharging channel 200, so that when the discharging channel 200 is higher than the conveying chains 101, the lifting component is configured to transport the unqualified material to a preset position of the shearing machine 3 along the shearing roller way assembly 2 to complete.

The technical scheme of the utility model in, in the normal production process multiunit roller way part 12 is located the below of conveying chain 101, qualified material is followed conveying chain 101 gets into next production processes. When the unqualified materials are conveyed to the position above the lifting roller way assembly 1 along the small cooling bed 100, the lifting part 11 acts to jack up the multiple groups of roller way parts 12, so that the roller surfaces of the roller way parts are higher than the top surface of the small cooling bed conveying chain 101, the discharging channel 200 and the shearing roller way 2 are started, and the unqualified materials are conveyed to the preset position of the shearing machine 3 to complete shearing. After the shearing is finished, the plurality of groups of roller way components 12 stop working and descend below the conveying chain 101, and the small cooling bed 100 continues to operate to ensure the normal production of qualified materials. In the whole process, the unqualified materials are prevented from being transported to a scrap steel treatment point for multiple times of hoisting, the treatment efficiency of the unqualified materials is greatly improved, and the labor intensity of workers is reduced.

Specifically, little cold bed 100 is including the 1# chain, 2# chain and the 3# chain that connect gradually, 1# chain connection gets into after the cold shear the product of little cold bed 100, the 2# chain is middle transition chain, the 3# chain is packed the warehouse entry with refrigerated qualified product, and online shearing mechanism connects the 2# chain.

Preferably, the lifting component 11 comprises two first bearing seats 111, two second bearing seats 112, a bearing 113, a first crankshaft 114, a second crankshaft 115, a connecting rod 116, a swing cylinder 117 and a first roller frame 118; the two first bearing seats 111 and the two second bearing seats 112 are arranged on the ground at intervals in parallel, the first crankshaft 114 is rotatably connected between the two first bearing seats 111 through the bearing 113, the second crankshaft 115 is rotatably connected between the two second bearing seats 112 through the bearing 113, one end of the swing oil cylinder 117 is rotatably connected with the first crankshaft 114 through the connecting rod 116, the other end of the swing oil cylinder 117 is connected with the second crankshaft 115 through the connecting rod 116, the first roller rack 118 is hinged to one end of the first crankshaft 114 and one end of the second crankshaft 115, which are deviated from the ground, and the first roller rack 118 is perpendicular to the conveying chain 101 and is arranged at the bottom of one end, close to the ground, of the conveying chain 101.

Specifically, the first roller frame 118 is provided with a lug plate seat 119 for hinging the first crankshaft 114 and the second crankshaft 115.

Preferably, the roller way component 12 includes two third bearing seats 121, a first roller 122, a sprocket 123, a first reduction motor 124 and a chain 125; the two third bearing seats 121 are arranged at one end, away from the ground, of the first roller bed 118, the first roller body 122 is rotatably connected between the two third bearing seats 121 through the bearing 113, the chain wheel 123 is sleeved at one end of the first roller body 122, the first speed reduction motor 124 is arranged below the chain wheel 123, and the chain 125 is rotatably connected with the chain wheel 123 and an output shaft of the first speed reduction motor 124.

Specifically, four sets of roller way components 12 are uniformly distributed along the length direction of the first roller way frame 118. The first speed reduction motor 124 is arranged below the first roller body 122, so that interference in the product transportation process is avoided.

Preferably, the shearing roller way assembly 2 comprises a support 21, a second roller way frame 22, a plurality of groups of rotating rollers 23 and a plurality of groups of roller way cover plates 24; support 21 sets up in ground, second roll table frame 22 is followed discharging channel 200 extending direction set up in support 21 deviates from ground one end, multiunit live-rollers 23 is followed second roll table frame 22 deviates from the parallel interval of top surface of support 21 sets up, the parallel interval of multiunit roll table apron 24 sets up in two adjacent between the live-rollers 23 to form the draw-in groove that the cross section is the U type.

Specifically, the transportation channel formed by the multiple groups of rotating rollers 23 is higher than the small cooling bed and is butted with the discharge port of the discharge channel 200.

Preferably, the rotating roller 23 includes two fourth bearing seats 231, a second roller body 232, a coupling 233 and a second speed reduction motor 234; two fourth bearing 231 parallel interval set up in second roller bed 22 deviates from ground one end, second roll body 232 pass through bearing 113 rotate connect in between two fourth bearing 231, second gear motor 234 passes through shaft coupling 233 and connects second roll body 232 with the axle center, second gear motor 234 is fixed in the one end that second roller bed 22 deviates from ground.

Preferably, the roller way cover plates 24 are detachably mounted on two sides of the second roller way frame 22 through fasteners, and the roller way cover plates 24 are perpendicular to the axial line of the second roller body 232.

Preferably, the shearing machine 3 comprises a base 31, a horizontal knife plate 32, a rotary baffle 33, a proximity switch 34, a knife head assembly 35 and a driving assembly (not shown); the base 31 is arranged on the ground, the horizontal knife board 32 is parallel to the second roller 232 arranged at one end of the base 31 close to the shearing roller way 2, the rotating baffle 33 is parallel to the second roller 232 arranged at one end of the base 31 departing from the shearing roller way 2, the proximity switch 34 is arranged on the base 31 for detecting whether unqualified materials reach a preset shearing position, the knife head assembly 35 is rotatably connected with the base 31 for shearing the unqualified materials passing through the horizontal knife board 32 and reaching the preset shearing position, and the driving assembly is used for driving the knife head assembly 35 to rotate.

Specifically, the base 31 between the horizontal knife plate 32 and the rotating baffle 33 is provided with a chute 310 for blanking.

Preferably, the cutter head assembly 35 comprises a cutter head body 351 hinged to the base 31, a limiting manipulator 352 arranged at one end of the cutter head body 351 close to the shearing roller table 2, and a cutting edge plate 353 arranged on the cutter head body 351 in parallel with the horizontal cutting plate 3; the limiting manipulator 352 is radially arranged between the base 31 and the included angle formed by the blade plate 353, so as to compress the unqualified materials to be cut.

Specifically, the limiting manipulator 352 is used for pressing the unqualified material so as to facilitate the shearing of the unqualified material.

Preferably, the rotary blocking plate 33 comprises a rotary shaft 331, a blocking plate 332, two fifth bearing seats 333, a positioning plate 334 and a limiting plate (not shown); the two fifth bearing seats 333 are arranged on the base 31 in parallel at intervals, the rotating shaft 331 is rotatably connected between the two fifth bearing seats 333 through a bearing, the baffle plate 332 is axially arranged along the rotating shaft 331, the positioning plate 334 is arranged at one end of the rotating shaft 331 and used for detecting the proximity switch 34, and the limiting plate abuts against one side, away from the cutter head body 351, of the baffle plate 332 so as to limit the shearing length of the unqualified material.

Preferably, the shearing machine further comprises a scrap collecting hopper (not shown) arranged on the side of the shearing machine 3 away from the shearing roller way assembly 2.

Specifically, the scrap collecting bin is communicated with the chute 310 so that the sheared unqualified scrap automatically slides into the scrap collecting bin.

Further, the process flow of the finishing and small cooling bed area is as follows:

after the product gets into 2# chain, unqualified product is sorted out to the manual work, and unqualified material reaches lifting roller way subassembly 1's top, lifting part 11 action jack-up multiunit roller way part 12 to make its roll surface be higher than 2# chain top surface. The lifting roller way assembly 1 and the shearing roller way assembly 2 convey the unqualified materials to the preset shearing position of the shearing machine 3, at the moment, the lifting roller way assembly 1 stops running and descends in place, and the small cooling bed 2# chain and the small cooling bed 3# chain continue to run to ensure the normal production of the qualified materials.

And when the unqualified materials reach the preset shearing position, the proximity switch 34 senses a signal, the discharging channel 200 and the shearing roller way assembly 2 stop running, the shearing machine 31 starts shearing, and the sheared scrap steel falls into the scrap steel collecting hopper. After the shearing machine 31 finishes the first shearing, the proximity switch 34 loses the signal, the discharging channel 200 and the shearing roller way assembly 2 continue to operate, the unqualified materials are continuously conveyed to the shearing position, and the shearing machine 31 starts the second shearing. And the reciprocating operation is carried out in such a way, and the lifting roller way assembly 1, the shearing roller way assembly 2 and the shearing machine 3 stop working until all unqualified materials are sheared.

The above is only the preferred embodiment of the present invention, not limiting the scope of the present invention, all of which are under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. The utility model provides a small cold bed nonconforming material on-line shearing mechanism of roll line, its characterized in that, is including the lifting roll table subassembly, shearing roll table subassembly and the cutter that connect gradually, the lifting roll table is including setting up in the lifting part of small cold bed bottom, and set up in the lifting part deviates from the multiunit roll table part of ground one end, multiunit roll table part parallel interval sets up between the double-phase adjacent conveying chain of small cold bed to form perpendicular small cold bed product direction of transportation's discharging channel, the lifting part is used for going up and down discharging channel, so that discharging channel is higher than when the conveying chain, be used for following nonconforming the conveying of shearing roll table subassembly extremely the preset position of cutter is in order to accomplish and tailor.

2. The on-line shearing device for the unqualified rolled material of the rolling line small cooling bed according to claim 1, wherein the lifting component comprises two first bearing seats, two second bearing seats, a bearing, a first crankshaft, a second crankshaft, a connecting rod, a swing oil cylinder and a first roller bed; the two first bearing blocks and the two second bearing blocks are arranged on the ground at intervals in parallel, the first crankshaft is rotatably connected between the two first bearing blocks through the bearing, the second crankshaft is rotatably connected between the two second bearing blocks through the bearing, one end of the swing oil cylinder is rotatably connected with the first crankshaft through the connecting rod, the other end of the swing oil cylinder is rotatably connected with the second crankshaft through the connecting rod, the first roller bed frame is hinged to one end, deviating from the ground, of the first crankshaft and the second crankshaft, and the first roller bed frame is perpendicular to the conveying chain and is arranged at the bottom of one end, close to the ground, of the conveying chain.

3. The on-line shearing device for the unqualified rolled material of the rolling line small cooling bed according to claim 2, wherein the roller way component comprises two third bearing seats, a first roller body, a chain wheel, a first speed reduction motor and a chain; the two third bearing seats are arranged at one end, away from the ground, of the first roller frame, the first roller body is rotatably connected between the two third bearing seats through the bearing, the chain wheel is sleeved at one end of the first roller body, the first speed reduction motor is arranged below the chain wheel, and the chain is rotatably connected with the chain wheel and an output shaft of the first speed reduction motor.

4. The on-line shearing device for the unqualified rolled materials of the rolling line small cooling bed according to claim 1, wherein the shearing roller way assembly comprises a support, a second roller way frame, a plurality of groups of rotating rollers and a plurality of groups of roller way cover plates; the support sets up in ground, second roll table frame is followed discharging channel extending direction set up in the support deviates from ground one end, the multiunit live-rollers is followed second roll table frame deviates from the parallel interval of top surface of support sets up, the parallel interval of multiunit roll table apron sets up in two neighbours between the live-rollers to form the draw-in groove that the cross section is the U type.

5. The on-line shearing device for the unqualified rolled material with the small rolling line cooling bed according to claim 4, wherein the rotating roller comprises two fourth bearing seats, a second roller body, a coupling and a second speed reduction motor; two fourth bearing frame parallel interval set up in second roller way frame deviates from ground one end, the second roller body pass through the bearing rotate connect in between two fourth bearing frame, second gear motor passes through the shaft coupling and connects the second roller body with the axle center, second gear motor is fixed in second roller way frame deviates from the one end on ground.

6. The on-line shearing device for the rejected material of the rolling line small cooling bed as claimed in claim 4, wherein the roller way cover plates are detachably mounted on both sides of the second roller way frame by fasteners, and the roller way cover plates are perpendicular to the axial line of the second roller.

7. The on-line shearing device for the unqualified rolled wire material with the small rolling line cooling bed as claimed in claim 6, wherein the shearing machine comprises a base, a horizontal knife plate, a rotating baffle, a proximity switch, a cutter head assembly and a driving assembly; the base is arranged on the ground, the horizontal cutting board is parallel to the second roller body is arranged at one end, close to the shearing roller way, of the base, the rotating baffle is parallel to the second roller body, the second roller body is arranged at one end, deviated from the shearing roller way, of the base, the proximity switch is arranged on the base and used for detecting whether unqualified materials reach a preset shearing position, the cutter head assembly is connected in a rotating mode and used for shearing the unqualified materials passing through the horizontal cutting board and reaching the preset shearing position, and the driving assembly is used for driving the cutter head assembly to rotate.

8. The on-line shearing device for the unqualified rolled bar with the small rolling line cooling bed according to claim 7, wherein the cutter head assembly comprises a cutter head body hinged to the base, a limiting manipulator arranged at one end of the cutter head body close to the shearing roller way, and a blade plate arranged on the cutter head body in parallel with the horizontal blade plate; the limiting manipulator is radially arranged between the base and an included angle formed by the cutting edge plate so as to compress unqualified materials to be sheared.

9. The on-line shearing device for the unqualified rolled material of the rolling line small cooling bed according to claim 7, wherein the rotating baffle comprises a rotating shaft, a baffle, two fifth bearing seats, a positioning plate and a limiting plate; the two fifth bearing seats are arranged on the base at intervals in parallel, the rotating shaft is rotatably connected between the two fifth bearing seats through a bearing, the baffle is axially arranged along the rotating shaft, the positioning plate is arranged at one end of the rotating shaft and used for detecting the proximity switch, and the limiting plate is abutted against the baffle and deviates from one side of the tool bit body so as to limit the shearing length of the unqualified material.

10. The on-line shearing device for the unqualified rolled bar with the small rolling line cooling bed according to claim 7, further comprising a scrap collecting hopper arranged on one side of the shearing machine, which faces away from the shearing roller way assembly.