CN116408486A - Edge cutting circle shear of high-efficiency hot rolled steel strip production line and shearing method thereof - Google Patents

Abstract

The invention discloses a trimming disc shear of a high-efficiency hot rolled steel strip production line and a shearing method thereof, which relate to the field of hot rolled steel strip shearing and solve the problem that the sheared excess material is manually pulled, bundled and wound, and comprise a disc shear main body, wherein an upper cutter disc and a lower cutter disc for shearing are arranged at one side end of the disc shear main body, the upper cutter disc is distributed at the upper part of the lower cutter disc, strip steel is arranged between the upper cutter disc and the lower cutter disc, and a sheared excess material part is arranged at one end of the strip steel, which is close to the upper cutter disc.

Description

A kind of trimming disk shears and shearing method of high-efficiency hot-rolled steel strip production line

technical field

The invention relates to the field of hot-rolled steel strip shearing, in particular to an edge trimming disc shear for a high-efficiency hot-rolled steel strip production line and a shearing method thereof.

Background technique

Trimming disc shears are hot-rolled steel strips that are pressed and rolled, and the burrs and cracking leftovers on the side of the steel strip are sheared. The sheared steel strip is wound to form a strip coil. This shearing machine The two blades of the utility model are made into a disc shape and are used for longitudinally shearing the edges of steel plates and strips or longitudinally cutting steel plates and strips into narrow strips. The body of the disc shear has no transmission device, and the rotation of the blade is driven by the moving steel belt with a certain tension, so as to realize the pulling and shearing.

In the prior art, in order to keep the steel plate with the edge cut off in a horizontal position when the disc shears, while the cut edge is bent downward, the diameter of the upper blade is made smaller than that of the lower blade. The edge of the cut plate will be bent downwards sharply. After the remaining material is cut out, it is necessary to manually pull the remaining material strip, and wind up the excess steel strip on the remaining material winding mechanism for collection. Because the worker is In the process of cutting the strip steel, the remaining material of the strip is pulled and bound to the rewinding mechanism of the remaining material. The incision of the remaining material is sharp, and the whole strip steel processing device is in operation, so there is a great potential safety hazard , the worker's hand will be easily scratched, if wearing woven gloves, it is also easy to appear that the burrs on the surface of the remaining material of the steel belt will be caught and pulled on the glove, and the hand will be strangled. Therefore, we propose a Disclosed are edge trimming disc shears and a shearing method for a high-efficiency hot-rolled steel strip production line.

Contents of the invention

The object of the present invention is to provide an edge-trimming disc shear and its shearing method of a high-efficiency hot-rolled steel strip production line capable of automatically recovering and processing the remaining material after shearing, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the present invention provides the following technical solutions: a trimming disc shear for a high-efficiency hot-rolled steel strip production line, comprising a disc shear main body, and one side end of the disc shear main body is provided with a The upper cutter head and the lower cutter head, the upper cutter head is distributed on the upper part of the lower cutter head, a strip steel is arranged between the upper cutter head and the lower cutter head, and the strip steel is close to the One end of the upper cutter head is provided with the remaining material part which is cut off, and a collection frame for collecting the remaining material part is provided under the lower cutter head, and the collection frame is close to the side wall of the main body of the disc shears A cover door is hingedly installed, and a motor is fixedly installed on the side wall of the collection frame opposite to the cover door. A residual material guide mechanism is provided between the cutter heads; the residual material guide mechanism includes a "9"-shaped arc plate slidingly socketed on the outer surface of the upper cutter head, and the "9"-shaped arc plate and the disc The main body of the scissors is fixedly connected, the bottom of the "9"-shaped arc plate is inserted into the inlet of the collection frame, the fixed cover of the end of the "9"-shaped arc plate away from the strip steel is provided with a cover, and the The side of the "9"-shaped arc plate away from the cover is provided with a notch for conveying the strip steel, and the remaining part is in movable contact with the inner side wall of the "9"-shaped arc plate; The inside of the collecting frame corresponds to the position of the feeding port, and a holding mechanism is provided to hold and limit the remaining material part, and the inside of the collecting frame is also provided with a mechanism capable of rewinding the remaining material part. Rewinding mechanism.

Preferably, the holding mechanism includes a holding plate 1 and a holding plate 2 installed at the feed inlet inside the collection frame and distributed up and down, and the holding plate 1 and the holding plate 2 are close to the feed inlet of the collection frame The inside of one end of each is rotated to be provided with a positioning shaft, and the two positioning shafts are fixedly installed in the inside of the collection frame through a bracket, and a side of the holding plate 1 and the holding plate 2 that is far away from each other is in contact with the collection frame. Springs 1 are fixedly installed between the frames, and the distance between the retaining plate 1 and the retaining plate 2 away from the end of the collecting frame inlet is gradually reduced. , the situation of deviation occurs, and the end of the first holding plate far away from the feed inlet of the collection frame is provided with a warping portion, and the first holding plate and the second holding plate are provided with the positioning shaft. Positioning components.

Preferably, the positioning assembly includes a sliding post slidably embedded in the first holding plate and the second holding plate, and the ends of the two sliding posts away from the positioning shaft are connected to the first holding plate and the second holding plate. A spring 2 is fixedly installed between the holding plates 2, and an arc edge block is fixedly installed on the end of the sliding column close to the positioning shaft, and the outer surface of the positioning shaft is also provided with an arc edge block that is embedded with the arc edge block. When the holding plate 1 and the holding plate 2 are subjected to a large pressure, the trapezoidal groove can be pushed by the arc surface of the arc edge block, so that the arc edge block retracts to the holding plate 1 or the holding plate Two's interior.

Preferably, the winding mechanism includes a winding shaft installed inside the collection frame, and the outer circumference of the winding shaft is provided with a plurality of position-limiting shafts distributed equidistantly around the circumference, and the winding shaft and the position-limiting A disk is fixedly installed on the end of the shaft close to the motor, and the output end of the motor is fixedly embedded in the inside of the disk, and a rubber pad is fixed on the side of each limit shaft close to the winding shaft , and the arc length of the rubber pad is /-/ of the circumference of the limit shaft. If the arc length of the rubber pad is too large, it will cause friction between the remaining material part and the limit shaft away from the winding shaft when it is rolled up. The force increases, which will increase the difficulty of disassembly in the later stage, and the arc length of the rubber pad is too short, which cannot effectively increase the contact between the remaining material part and the limit shaft when it is inserted between the limit shaft and the winding shaft. Friction force, the end of the winding shaft and the limit shaft away from the disk circle is movably sleeved with a movable disk, and a cavity is opened inside the movable disk, and the inside of the cavity is opened to match the The limit assembly defined by the limit shaft and the winding shaft.

Preferably, the limiting assembly includes a plurality of positioning holes 2 opened on the outer wall of the winding shaft, and a positioning hole 1 opened on the outer wall of each of the limiting shafts, each of the positioning holes 1 and the positioning Holes 2 are distributed concentrically, each positioning hole 1 and locating hole 2 are slidably embedded with positioning rods, and the outer surface of the positioning rods is fixedly sleeved with sleeves. The opposite sides are provided with a limit frame, and the limit frame is slidably wrapped on the outer surface of the positioning rod, the limit frame is fixedly connected with the movable plate, and the set plate on the same side and the A tension spring is fixedly installed between the limit frames, and the opposite ends of the two positioning rods are in the shape of a dome. Both the limit shaft and the limit shaft are fixed inside the movable disc, and a dialing assembly is arranged between the two.

Preferably, the dialing assembly includes a center ring that is rotatably arranged inside the cavity, and the center ring separates two positioning rods that are radially oppositely distributed, and the inner wall and the outer wall of the center ring are both There are several hypotenuse protrusions distributed equidistantly around the circumference, and the number of hypotenuse protrusions distributed on the outer wall and inner wall of the center ring is consistent with the number of limit shafts. The design of the hypotenuse protrusions, when the center ring rotates , the positioning rod can be pushed, the end of the central ring away from the disk is fixedly equipped with several levers, and the end of the movable disk away from the disk is provided with several arcs connected with the cavity. Notch, the driving rod is movably embedded inside the arc notch, and a spring three is fixedly installed between the driving rod and the side wall of the arc notch, and several of the driving rods are far away from the center A turntable is fixedly installed at one end of the ring, and there is a gap between the turntable and the movable disk.

Preferably, two symmetrically distributed gas cylinders are fixed on the inner wall of the collection frame corresponding to the feed inlet, and the two gas cylinders are distributed on both sides of the feed inlet of the collection frame, and the inside of the gas cylinder slides A piston disc is embedded, and the end of the piston disc close to the inlet of the collection frame is fixedly installed with a piston rod that slides through the gas cylinder, and the end of the piston rod far away from the piston disc is fixedly installed with a curved arc frosting When the two curved-arc frosted columns are pushed out and move towards each other, the two curved-arc frosted columns can exert slight pressure on the outside of the remaining part to clamp, and the end of the piston disk close to the inlet of the collection frame is in contact with the A spring four is arranged between the air cylinders, and a pneumatic assembly is arranged at the ends of the two air cylinders away from each other.

Preferably, the pneumatic assembly includes an air bag installed at the angle between the holding plate two and the collection frame, and the outer wall of the air bag is fixedly communicated with a ventilation seat, and the ventilation seat is fixed to the collection frame. Connected, the outer wall of the tube of the ventilation seat and the two gas cylinders are fixedly connected with a trachea, when the second holding plate swings, it can push the air bag, and the gas in the air bag can be transported into the gas cylinder through the trachea.

Preferably, the pneumatic assembly can also be installed at the angle between the holding plate one and the collection frame, and the pneumatic assembly can be installed in various ways.

A method for using the trimming disc shears of a high-efficiency hot-rolled steel strip production line, the method comprising the following steps:

S1. In the stage of guiding and storing, the remaining material cut by the upper cutter head and the lower cutter head will be bent and conveyed downward, and will enter the inside of the collection frame under the guidance of the "9"-shaped arc plate;

S2. In the stage of extending and holding, the surplus material entering the inside of the collection frame is gradually extended to the winding mechanism under the limit of holding plate 1 and holding plate 2;

S3. In the winding stage, the motor drives the winding mechanism to continue to rotate. When the remaining material part penetrates between the winding shaft and the movable plate, the overall rotation of the winding mechanism and the limit of the remaining material part by the winding shaft and the movable plate , can bend and rewind the remaining material part, and the design of the rubber pad can improve the friction between the limit shaft and the remaining material part;

S4. In the grinding stage, the rewinding mechanism can increase the outer diameter of the rewinding mechanism when the rewinding mechanism rewinds the remaining material part, so that the holding plate 2 and the holding plate 1 can be flattened and swing. At this time, the pneumatic components will be touched to make the two The curved arc frosted column moves towards each other, and the curved arc frosted column will clamp the moving residual material. At this time, the curved arc frosted column can grind the edge of the residual material to avoid scratches during unloading.

Compared with prior art, the beneficial effect of the present invention is:

The present invention designs a "9"-shaped arc plate, a cover and a notch on the outside of the upper cutter head, so that when the surplus material is generated, it can guide the surplus material, transport it to the inside of the collection frame, and Under the action of the motor-driven rewinding mechanism, the rewinding of the remaining material can be carried out, and the rewinding process of the remnant can be automatically guided, and there is no need to manually pull the remaining material of the strip to bind it to the rewinding structure, which is effective Reduce the potential safety hazards of construction.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the present invention;

Fig. 2 is the structural representation of surplus material guiding mechanism of the present invention;

Fig. 3 is a schematic diagram of the notch structure of the present invention;

Fig. 4 is a schematic diagram of the position distribution of the winding mechanism and the holding mechanism of the present invention;

Fig. 5 is a structural schematic diagram of the arc edge block and the rubber pad of the present invention;

Fig. 6 is a schematic diagram of the structure of the cavity part of the present invention;

Fig. 7 is a sectional view of the movable disc of the present invention;

Fig. 8 is an enlarged view of place A in Fig. 7 of the present invention;

Fig. 9 is a schematic structural view of the air bag and the air cylinder of the present invention;

Fig. 10 is a schematic diagram of the internal structure of the air cylinder of the present invention.

In the figure: 1, the main body of the disc shear; 2, the upper cutter head; 3, the lower cutter head; 4, the strip steel; 5, the remaining material part; 6, the collection frame; 7, the motor; 1. Rewinding mechanism; 10. Holding mechanism; 11. Limiting component; 12. Dialing component; 13. "9" shaped arc plate; 14. Covering; 15. Notch; 16. Holding plate one; 17. Holding Plate two; 18, spring one; 19, warped edge; 20, positioning shaft; 21, trapezoidal groove; 22, sliding column; 23, arc edge block; 24, spring two; 27, limit shaft; 28, rubber pad; 29, cavity; 30, arc notch; 31, spring three; 32, turntable; 33, center ring; 34, driving lever; 36, positioning hole one; 37, positioning hole two; 38, positioning rod; 39, sleeve plate; 40, limit frame; 41, extension spring; 42, air bag; 43, ventilation seat; 44, trachea; 45, gas cylinder; 46, piston disc; 47, piston rod; 48, spring four; 49, curved arc frosting post.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Example 1

Please refer to Fig. 1-Fig. 4, a kind of trimming disc shear of high-efficiency hot-rolled strip production line in the illustration, comprises disc shear main body 1, and one side end of disc shear main body 1 is provided with for shearing The upper cutter head 2 and the lower cutter head 3, the upper cutter head 2 is distributed on the upper part of the lower cutter head 3, the strip steel 4 is arranged between the upper cutter head 2 and the lower cutter head 3, and the strip steel 4 is close to the upper cutter head 2 One end of one end is provided with the remaining material part 5 that is cut off, and the bottom of the lower cutter head 3 is provided with a collection frame 6 for collecting the remaining material part 5, and the side wall of the collecting frame 6 near the disc shears main body 1 is hingedly installed with The cover door is fixed with a motor 7 on the side wall of the collecting frame 6 which is relatively distributed with the cover door. The material guiding mechanism 8; the remaining material guiding mechanism 8 includes a "9"-shaped arc plate 13 slidingly socketed on the outer surface of the upper cutter head 2, and the "9"-shaped arc plate 13 is fixedly connected with the main body 1 of the disc shears, "9" The bottom of the "shaped arc plate 13 is inserted into the collection frame 6 feed inlet, and the fixed cover at one end of the "9" shaped arc plate 13 away from the strip steel 4 is provided with a cover 14, and the "9" shaped arc plate 13 is far away from the end of the cover 14. One side is provided with a notch 15 for conveying the strip steel 4, and the remaining material part 5 is in movable contact with the inner side wall of the "9"-shaped arc plate 13; The part 5 acts as a retaining mechanism 10 for holding and limiting, and the inside of the collection frame 6 is also provided with a winding mechanism 9 capable of rewinding the surplus part 5 .

Please refer to Fig. 5, the retaining mechanism 10 in the illustration comprises the retaining plate one 16 and the retaining plate two 17 that are installed in the collection frame 6 inner feed inlet place and are distributed up and down, and the retaining plate one 16 and the retaining plate two 17 are close to the collection frame 6 The inside of one end of the feed inlet is all rotated with a positioning shaft 20, and the two positioning shafts 20 are fixedly installed in the inside of the collection frame 6 by a bracket, and the side faces of the holding plate one 16 and the holding plate two 17 that are far away from each other are connected to the collection frame 6. Springs one 18 are fixedly installed between them, and the distance between holding plate one 16 and holding plate two 17 away from the feeding port of collecting frame 6 decreases step by step. In the case of deviation, the end of the retaining plate one 16 away from the collection frame 6 feeding port is provided with a warping portion 19, and a positioning assembly is arranged between the retaining plate one 16 and the retaining plate two 17 and the positioning shaft 20.

Please refer to Fig. 5, the locating assembly in the illustration comprises the spool 22 that is slidably embedded in the inside of the retaining plate 16 and the retaining plate 2 17, and the ends of the two spools 22 away from the positioning shaft 20 are connected with the retaining plate 16 and the retaining plate A spring 24 is fixedly installed between the two 17, and an arc edge block 23 is fixedly installed on the end of the sliding column 22 close to the positioning shaft 20, and the outer surface of the positioning shaft 20 is also provided with a trapezoid that fits with the arc edge block 23. Groove 21, when the holding plate one 16 and holding plate two 17 are subjected to greater pressure, its trapezoidal groove 21 can be pushed by the arc surface of the arc edge block 23, so that the arc edge block 23 is retracted to the holding plate one 16 or keep the inside of the plate II 17 .

Please refer to Fig. 5 and Fig. 6, the rewinding mechanism 9 in the illustration includes the rewinding shaft 25 installed inside the collection frame 6, and the outer periphery of the rewinding shaft 25 is provided with several position-limiting shafts 27 distributed equidistantly around the circumference. One end of the reel 25 and the limit shaft 27 close to the motor 7 is fixedly installed with a disc, and the output end of the motor 7 is fixedly embedded in the inside of the disc, and each limit shaft 27 is fixed on one side close to the take-up shaft 25. Rubber pad 28, and the arc length of rubber pad 28 is 1/5-1/3 of the limit shaft 27 circumference, and the arc length of rubber pad 28 is too large to cause the remaining material portion 5 to be rolled up, and it will collide with the limit shaft. 27 is far away from the frictional force between the rewinding shaft 25, which will increase the difficulty of disassembly in the later stage, and the arc length of the rubber pad 28 is too short, and the remaining material part 5 cannot be effectively increased when inserted into the limit shaft 27 and the rewinding shaft 25, the frictional force in contact with the limit shaft 27, the end of the winding shaft 25 and the limit shaft 27 away from the disk circle is jointly movable and sleeved with a movable disk 26, and the inside of the movable disk 26 is provided with a cavity. 29, and the interior of the cavity portion 29 is provided with the limit assembly 11 defined for the limit shaft 27 and the winding shaft 25.

A method for using the trimming disc shears of a high-efficiency hot-rolled steel strip production line, the method comprising the following steps:

S1. In the stage of guiding and storing, the remaining material part 5 cut by the upper cutter head 2 and the lower cutter head 3 will be bent and conveyed downward, and will enter the inside of the collection frame 6 under the guidance of the "9"-shaped arc plate 13;

S2. In the stage of extending and holding, the remaining material part 5 entering the inside of the collecting frame 6 is gradually extended to the winding mechanism 9 under the limit of the holding plate 16 and the holding plate 2 17;

S3. In the winding stage, the motor 7 drives the winding mechanism 9 to continue to rotate. When the remaining material part 5 penetrates between the winding shaft 25 and the movable disk 26, the overall rotation of the winding mechanism 9 and the winding shaft 25 and the movable disk 26 The limit of the remaining material part 5 can be bent and rolled up the remaining material part 5, and the design of the rubber pad 28 can improve the friction between the limit shaft 27 and the remaining material part 5;

S4. In the grinding stage, the rewinding mechanism 9 can increase the outer diameter of the rewinding mechanism 9 for the rewinding of the remaining material part 5, so that the holding plate 2 17 and the holding plate 16 are flattened and swayed. At this time, the pneumatic Assemblies, so that the two curved arc frosted columns 49 move towards each other, and the curved arc frosted columns 49 will clamp the remaining material part 5 in the movement. Scratches when unloading.

The working principle of automatically guiding and winding the remaining material part 5: when the strip steel 4 is cut by the cooperation of the upper cutter head 2 and the lower cutter head 3, the remaining material part 5 will automatically bend and move downward, in the shape of "9". Under the guidance of the arc plate 13, it moves to the inside of the collection frame 6, and through the action of the holding plate one 16 and the holding plate two 17, the remaining material part 5 is inserted between the limit shaft 27 and the winding shaft 25, wherein the motor 7 is always Driving the winding shaft 25 and the limit shaft 27 to rotate, the rotation direction is anticlockwise rotation in Fig. 5, after the remaining material part 5 is inserted between the limit shaft 27 and the winding shaft 25, the rotation of the winding shaft 25 and the position limiting shaft 27 The remaining material part 5 can be bent, and the contact friction force between the limit shaft 27 and the remaining material part 5 can be increased through the design of the rubber pad 28, so that after the remaining material part 5 is bent, it can be bound on the Outside the limit shaft 27, under the continuous rotation of several limit shafts 27, the remaining material part 5 is rewound, that is, the automatic rewinding process of the remaining material part 5 can be realized without manually pulling the remaining material part 5 Pulling and binding, reducing the safety hazard of the workplace;

It is worth noting that when the volume of the remaining material portion 5 is larger on the outside of several limit shafts 27, the outer diameter of the limit shaft 27 is larger, and at this time, the first 16 and the second 17 of the retaining plate will be affected. Pushing, when the arc edge block 23 is subject to a larger pushing force, it will slide out from the inside of the trapezoidal groove 21. At this time, after the holding plate 16 and the holding plate 2 17 are not restricted, an adaptive swing will occur. Condition.

Example 2

Please refer to Fig. 6 and Fig. 7, this embodiment is further described for Example 1, the limiting assembly 11 includes several positioning holes 37 opened on the outer wall of the winding shaft 25, and positioning holes opened on the outer wall of each limiting shaft 27 One 36, each positioning hole one 36 and positioning hole two 37 are concentrically distributed, and the inside of each positioning hole one 36 and positioning hole two 37 is slidingly embedded with a positioning rod 38, and the outer surface of the positioning rod 38 is fixedly sleeved with Cover disc 39, the opposite sides of two cover discs 39 are provided with limit frame 40, and limit frame 40 slides and wraps on the outer surface of positioning rod 38, limit frame 40 is fixedly connected with movable plate 26, and the same side A tension spring 41 is fixedly installed between the cover plate 39 and the spacer 40, and the opposite ends of the two positioning rods 38 are dome-shaped, and the positioning rods 38 as radially distributed are all embedded with the positioning hole one 36 and the positioning hole two 37. At this time, the winding shaft 25 and the limit shaft 27 are all fixed inside the movable disk 26, and the dial assembly 12 is arranged between the two.

Please refer to Fig. 7 and Fig. 8, in the illustration, the dial assembly 12 includes a central ring 33 which is rotated inside the cavity part 29, and the central ring 33 separates the two positioning rods 38 which are radially oppositely distributed, and the central ring The inner wall and the outer wall of 33 are fixedly provided with several hypotenuse protrusions 35 distributed equidistantly around the circumference, and the quantity of the hypotenuse protrusions 35 distributed on the outer wall and the inner wall of the central ring 33 is consistent with the number of the limit shafts 27. The design of edge protrusion 35, when center ring 33 rotates, can push away to positioning bar 38, and center ring 33 is fixedly installed with several driving rods 34 at an end away from the disc, and movable disc 26 is provided with an end face away from disc circle. Several arc notches 30 communicated with the cavity portion 29, the driving rod 34 is movably embedded in the inside of the arc notch 30, and a spring three 31 is fixedly installed between the driving rod 34 and the side wall of the arc notch 30, several A turntable 32 is fixedly mounted on one end of each driving lever 34 away from the center ring 33 , and there is a gap between the turntable 32 and the movable disk 26 .

In this embodiment: when it is necessary to unload the rewinding surplus material part 5 in the later stage, the operator can rotate the center ring 33 through the turntable 32 and the driving lever 34, and the hypotenuse protrusion 35 will no longer align with the positioning rod during the rotation process. 38 pushes, and now location bar 38 can withdraw from location hole one 36 and location hole two 37 under the effect of extension spring 41, and now movable plate 26 just no longer limits with limit shaft 27 and winding shaft 25, just can The movable disc 26 is directly removed, and the remaining material portion 5 curled outside the several limit shafts 27 is slid out, and in a detachable manner, it is more convenient for the operator to unload the reeled material portion 5 in the later stage.

Example 3

Please refer to Fig. 9, this embodiment is further described for other embodiments, the place where the inner wall of the collection frame 6 corresponds to the feed inlet is fixedly provided with two symmetrically distributed gas cylinders 45, and the two gas cylinders 45 are distributed at the feed inlet of the collection frame 6 On both sides of the cylinder 45, a piston disc 46 is slidably embedded in the interior of the gas cylinder 45, and one end of the piston disk 46 close to the feed port of the collection frame 6 is fixedly installed with a piston rod 47 that slides through the gas cylinder 45, and the end of the piston rod 47 is far away from the piston disk 46. A curved arc frosted column 49 is fixedly installed. When the two curved arc frosted columns 49 are pushed out and move toward each other, the two curved arc frosted columns 49 can exert slight pressure on the outside of the remaining material part 5, and the piston disc 46 is close to the collection frame. 6. A spring four 48 is provided between one end of the feeding port and the air cylinder 45, and a pneumatic assembly is provided at the ends of the two air cylinders 45 away from each other.

Please refer to Fig. 9 and Fig. 10, in the illustration, the pneumatic assembly includes an air bag 42 installed at the angle between the holding plate 2 17 and the collection frame 6, and the outer wall of the air bag 42 is fixedly communicated with a vent seat 43, and the vent seat 43 is connected to the collection frame 6 is a fixed connection. There is a trachea 44 fixedly connected between the outer wall of the vent tube of the vent seat 43 and the two gas cylinders 45. When the holding plate 2 17 swings, it can push the air bag 42, and the gas in the air bag 42 will pass through the trachea 44. Delivered to the air cylinder 45.

Please refer to FIG. 9 , the pneumatic components shown in the figure can also be installed at the angle between the holding plate 16 and the collection frame 6 , and the pneumatic components can be installed in various ways.

In this embodiment: when the trapezoidal groove 21 is fitted with the arc edge block 23, if the spring one 18 is in a stretched state, the arc edge block 23 will be disengaged during the winding process of the rewinding mechanism 9 for the remaining material part 5 At the moment of the trapezoidal groove 21, under the action of the spring one 18 in the stretched state, the holding plate two 17 can be quickly swung towards the collection frame 6, and at this moment, the holding plate two 17 can squeeze the air bag 42 to push the air bag The air inside 42 is conveyed to the inside of the air cylinder 45 through the air pipe 44, and pushes the piston plate 46, so that the two curved arc frosted columns 49 rotate synchronously and in the same direction, that is, the outside of the remaining material part 5 can be clamped and limited;

One of the purposes of clamping and limiting can ensure the stable delivery of the remaining material part 5 again, and the other two is that when the remaining material part 5 is rolled up and pulled, its edges will rub against the curved arc frosted column 49, and the remaining The sheared surface and sharp burrs of the material part 5 are polished to avoid the risk of sticking and scratching when taking it out later.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (9)

1. A trimming disc shear of a high-efficiency hot-rolled steel strip production line, comprising a disc shears main body (1), and one side end of said disc shears main body (1) is provided with an upper cutter head for shearing (2) and the lower cutterhead (3), the upper cutterhead (2) is distributed on the top of the lower cutterhead (3), between the upper cutterhead (2) and the lower cutterhead (3) There is a steel strip (4) between them, and the end of the steel strip (4) close to the upper cutterhead (2) is provided with a cut off material part (5), characterized in that: the lower knife A collection frame (6) for collecting the surplus material (5) is provided below the disk (3), and a cover door is hingedly installed on the side wall of the collection frame (6) close to the main body (1) of the disk shears A motor (7) is fixedly installed on the side wall of the collection frame (6) opposite to the cover door, the top of the collection frame (6) is provided with a feed port, and the collection frame (6) A residual material guide mechanism (8) is provided between the feed inlet and the upper cutter head (2); The remaining material guiding mechanism (8) includes a "9"-shaped arc plate (13) slidingly sleeved on the outer surface of the upper cutter head (2), and the "9"-shaped arc plate (13) is connected to the The main body (1) of the disc shears is fixedly connected, the bottom of the "9"-shaped arc plate (13) is inserted into the inlet of the collection frame (6), and the "9"-shaped arc plate (13) is far away from the One end fixed cover of the strip steel (4) is provided with a cover (14), and the side of the "9"-shaped arc plate (13) away from the cover (14) is provided with a (4) the notch (15) for conveying, the said remaining material part (5) is in movable contact with the inner sidewall of said "9" shaped arc plate (13); The inside of the collection frame (6) is provided with a holding mechanism (10) that acts as a limit position for the remaining material portion (5) at a position corresponding to the feed inlet, and the inside of the collection frame (6) is also A winding mechanism (9) capable of winding the remaining material portion (5) is provided. 2. The edge trimming disc shear of a high-efficiency hot-rolled steel strip production line according to claim 1, characterized in that: the holding mechanism (10) includes a feed port installed in the collection frame (6) The first (16) and the second (17) of the retaining plate (17) are distributed up and down, and the first (16) and the second (17) of the retaining plate (17) are close to the inside of one end of the inlet of the collection frame (6) All rotate and be provided with positioning shaft (20), and two described positioning shafts (20) are fixedly installed in the inside of described collection frame (6) by bracket, described holding plate one (16) and described holding plate two ( A spring one (18) is fixedly installed between a side of 17) that is far away from each other and the collection frame (6), and the first holding plate (16) and the second holding plate (17) are far away from the collection frame (6) The distance between one end of the feeding port is gradually reduced, and the end of the holding plate one (16) away from the feeding port of the collection frame (6) is provided with a warping portion (19), and the holding plate one ( 16) and a positioning assembly is arranged between the second holding plate (17) and the positioning shaft (20). 3. The edge trimming disc shear of a high-efficiency hot-rolled steel strip production line according to claim 2, characterized in that: the positioning assembly includes slidingly embedded in the holding plate one (16) and the holding plate two (17) inner sliders (22), and the ends of the two sliders (22) away from the positioning shaft (20) are connected with the retaining plate one (16) and the retaining plate two (17) Two springs (24) are fixedly installed between them, and an arc edge block (23) is fixedly installed on the end of the sliding post (22) close to the positioning shaft (20), and the outer surface of the positioning shaft (20) A trapezoidal groove (21) for interfitting with the arc edge block (23) is also provided. 4. The edge trimming disc shear of a high-efficiency hot-rolled steel strip production line according to claim 1, characterized in that: the winding mechanism (9) includes a winding mechanism installed inside the collection frame (6). reel (25), and the outer circumference of the rewinding shaft (25) is provided with several limit shafts (27) that are distributed equidistantly around the circumference, and the rewinding shaft (25) and the limit shaft (27) are close to the One end of the motor (7) is fixedly installed with a disk, and the output end of the motor (7) is fixedly embedded in the inside of the disk, and each of the limiting shafts (27) is close to the winding shaft (25 ) is fixedly provided with a rubber pad (28), and the arc length of the rubber pad (28) is 1/5-1/3 of the perimeter of the limiting shaft (27), and the winding shaft (25 ) and the end of the limiting shaft (27) away from the disc circle are movably sleeved with a movable disc (26), and a cavity (29) is provided inside the movable disc (26), and the cavity The inside of the part (29) is provided with a limit assembly (11) defined for the limit shaft (27) and the winding shaft (25). 5. The edge trimming disc shears of a high-efficiency hot-rolled steel strip production line according to claim 4, characterized in that: the limit assembly (11) includes several openings set on the outer wall of the winding shaft (25). A positioning hole two (37), and a positioning hole one (36) opened on the outer wall of each said limiting shaft (27), each said positioning hole one (36) and said positioning hole two (37) are in the form of Distributed concentrically, each positioning hole one (36) and positioning hole two (37) are slidingly embedded with a positioning rod (38), and the outer surface of the positioning rod (38) is fixedly sleeved with a sleeve. disc (39), the opposite sides of the two sets of discs (39) are provided with a limit frame (40), and the limit frame (40) is slidably wrapped on the outer surface of the positioning rod (38), The limit frame (40) is fixedly connected to the movable plate (26), and a tension spring (41) is fixedly installed between the sleeve plate (39) on the same side and the limit frame (40), The opposite ends of the two positioning rods (38) are dome-shaped, and a dial assembly (12) is arranged between them. 6. The edge-trimming disc shears of a high-efficiency hot-rolled steel strip production line according to claim 5, characterized in that: the dialing assembly (12) includes a rotary device arranged inside the cavity (29) The central ring (33), and the central ring (33) separates two positioning rods (38) that are radially oppositely distributed, and the inner wall and outer wall of the central ring (33) are fixed with several The hypotenuse protrusions (35) distributed equidistantly around the circumference, and the quantity of the hypotenuse protrusions (35) distributed on the outer wall and the inner wall of the central ring (33) is consistent with the quantity of the limit shaft (27), and the central ring ( 33) Several levers (34) are fixedly installed on the end away from the disk, and the end surface of the movable disk (26) away from the disk is provided with several arc notches communicating with the cavity (29) (30), the driving rod (34) is movably embedded in the inside of the arc notch (30), and a fixed mounting device is installed between the driving rod (34) and the side wall of the arc notch (30). Spring three (31), a plurality of said driving levers (34) are fixedly installed with a turntable (32) at one end away from said center ring (33), and between said turntable (32) and said movable disk (26) There is a gap. 7. The trimming disc shear of a high-efficiency hot-rolled steel strip production line according to claim 3, characterized in that: the inner wall of the collection frame (6) is fixedly provided with two The gas cylinder (45) of symmetrical distribution, two described gas cylinders (45) are distributed in the both sides of described collecting frame (6) feed inlet, and the interior slide of described gas cylinder (45) is embedded with piston disk (46), and One end of the piston disk (46) close to the feed inlet of the collection frame (6) is fixedly installed with a piston rod (47) that slides through the cylinder (45), and the piston rod (47) is far away from the piston. One end of the disc (46) is fixedly equipped with a curved arc frosting column (49), and a spring four is arranged between the end of the piston disc (46) close to the inlet of the collection frame (6) and the gas cylinder (45). (48), the ends of the two air cylinders (45) away from each other are provided with a pneumatic assembly. 8. The edge trimming disc shears of a high-efficiency hot-rolled steel strip production line according to claim 7, characterized in that: the pneumatic assembly includes two (17) mounted on the holding plate (17) and the collection frame ( 6) the air bag (42) at the included angle, and the outer wall of the air bag (42) is fixedly communicated with a ventilation seat (43), and the ventilation seat (43) is fixedly connected with the collection frame (6), so A trachea (44) is fixedly communicated between the outer wall of the duct of the ventilation seat (43) and the two air cylinders (45). 9. The trimming disc shear of a high-efficiency hot-rolled steel strip production line according to claim 8, characterized in that: the pneumatic assembly can also be installed on the holding plate one (16) and the collecting frame (6) at the angle. A method for using the trimming disc shears of a high-efficiency hot-rolled steel strip production line, characterized in that: the method includes the following steps: S1. In the stage of guiding and storing, the remaining material (5) cut by the upper cutter head (2) and the lower cutter head (3) will be bent and conveyed downward, guided by the "9"-shaped arc plate (13) Enter into the inside of the collection frame (6); S2. In the extension and holding stage, the remaining material part (5) entering into the collection frame (6) is gradually extended to the winding mechanism (9) under the limit of the holding plate one (16) and the holding plate two (17); S3. In the winding stage, the motor (7) drives the winding mechanism (9) to continue to rotate. When the remaining material part (5) penetrates between the winding shaft (25) and the movable plate (26), the winding mechanism (9) ) overall rotation, and the limit of the rewinding shaft (25) and the movable disc (26) to the remaining material part (5), it can bend and rewind the remaining material part (5), and the design of the rubber pad (28) Can improve the frictional force between the limit shaft (27) and the remaining material portion (5); S4, during the grinding stage, the winding mechanism (9) can increase the outer diameter of the winding mechanism (9) for the winding of the remaining material part (5), so that the holding plate two (17) and the holding plate one (16) Flattening and swinging, the pneumatic assembly will be touched at this time, so that the two curved arc frosted columns (49) will move towards each other, and the curved arc frosted column (49) will clamp the remaining material part (5) in the movement. The arc frosting post (49) can grind the edge of the remaining material portion (5) to avoid scratches during unloading.

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