Automatic unbundling device for steel coils

Abstract

The utility model relates to the technical field of strip steel production, in particular to an automatic unbundling device for a steel coil, which not only can press and tension the steel coil to prevent the steel coil from expanding and loosening suddenly after a strapping tape is cut off, but also can clamp and fix two sides of the steel coil to prevent accidents caused by lateral inclination of the steel coil. Comprising a supporting mechanism; the device further comprises a cutting mechanism, a pressing mechanism, a clamping mechanism and a driving mechanism, the cutting mechanism is installed on the supporting mechanism to cut the strapping tape, the pressing mechanism is installed on the cutting mechanism and presses the steel coil, and the clamping mechanism is installed on the supporting mechanism and clamps the two sides of the steel coil. The driving mechanism is installed on the clamping mechanism and drives the clamping mechanism to move.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of strip production, in particular to a steel coil automatic unbundling device. BACKGROUND

[0002] In the strip production process, the bundling steel belt on the surface of the steel coil needs to be removed before some processes, and most domestic steel enterprises currently adopt manual unbundling, using special force-increasing scissors to manually shovel and cut the bundling belt, which has low production efficiency and safety risks.

[0003] The existing steel coil automatic unbundling device, such as the steel coil automatic unbundling device disclosed in the utility model patent with the application number 202020525533.2, mainly includes a mechanical arm and an unbundling head, the mechanical arm is installed on the foundation of the unbundling station, the unbundling head is fixedly connected to the mechanical arm, the unbundling head includes a bracket, a buffer mechanism, a shearing mechanism, a trigger type distance measuring mechanism, a laser displacement sensor, and a clamping mechanism, the buffer mechanism is connected to the bracket; in use, after the steel coil reaches the unbundling station, the mechanical arm first drives the unbundling head to move, the trigger type distance measuring mechanism on the unbundling head contacts the position of the outer circumference of the steel coil and the position of the end face, the contact micro-retracts to trigger the micro-switch, at this time, the PLC reads the spatial coordinates of the contact point, calculates the actual position of the outer surface of the steel coil, according to the detected actual position of the steel coil, the mechanical arm drives the unbundling head to move around the outer circumference of the steel coil, the laser displacement sensor detects the start and end positions of the steel coil, the mechanical arm drives the unbundling head to move to a suitable height (about 150 mm) from the outer circumference, translates along the outer circumferential generatrix, and the laser displacement sensor detects the actual accurate position of the bundling belt.

[0004] However, most of the existing unbundling devices do not press and fix the strip, and the strip will suddenly expand and loosen after the bundling belt is cut, which is very dangerous, and most of the existing unbundling devices lack a supporting mechanism on the side, so the steel belt is easy to overturn and cause accidents. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model provides a steel coil automatic unbundling device which can not only press and tension the steel coil to avoid the steel coil from suddenly expanding and loosening after the bundling belt is cut, but also can clamp and fix the two sides of the steel coil to avoid accidents caused by the side inclination of the steel coil.

[0006] The utility model discloses a steel roll automatic unbundling device, including support mechanism, still including cutting mechanism, pressing mechanism, clamping mechanism and drive mechanism, cutting mechanism installs on the support mechanism to the bundling band cutting, pressing mechanism installs on the cutting mechanism and carries out the pressing to the steel roll, clamping mechanism installs on the support mechanism and carries out the clamping to the both sides of steel roll, and drive mechanism installs on the clamping mechanism and drives clamping mechanism to move, the staff hoists and mounts the steel roll to the support mechanism, then starts drive mechanism, and drive mechanism drives clamping mechanism to carry out the clamping to the both sides of steel roll, and pressing mechanism carries out the pressing to the steel roll, and starts cutting mechanism and cuts open the bundling band of steel roll, and through setting pressing mechanism, avoid the sudden expansion loose of steel roll.

[0007] Preferably, the support mechanism includes a base, a placing seat, a rotating seat, and a support plate. The bottom end of the base is connected with the ground. The bottom end of the placing seat is connected with the top end of the base. The rotating seat is rotatably installed on the base. The bottom end of the support plate is connected with the top end of the rotating seat. The staff rotates the rotating seat and the support plate, conveniently hoists and places the steel roll on the placing seat, then rotates the rotating seat and the support plate to reset, so that the cutting mechanism is located directly above the steel roll, and unbundling is facilitated.

[0008] Preferably, a groove is formed in the middle of the placing seat. After the bundling band is broken, the staff can conveniently pull out the bundling band through the groove.

[0009] Preferably, the cutting mechanism includes a hydraulic cylinder, a protective box, a motor, a cutting piece, a laser range finder, a hanger, and a rubber roller. The hydraulic cylinder is installed on the support plate. The top end of the protective box is connected with the bottom end of the hydraulic cylinder. A cavity is formed in the protective box. The motor is installed in the cavity of the protective box. The cutting piece is installed on the motor. The laser range finder is installed in the cavity of the protective box. The hanger is installed in the cavity of the protective box. The rubber roller is rotatably installed on the hanger. The hydraulic cylinder pushes down the protective box. The distance between the cutting piece and the bundling band is measured through the laser range finder. The rubber roller is lowered with the protective box to press the bundling band. The motor is started to cut the bundling band through the cutting piece.

[0010] Preferably, the pressing mechanism comprises two groups of supports, a first connecting shaft, two groups of first pressing rods, two groups of springs, two groups of connecting rods, a second connecting shaft and two groups of second pressing rods, bottom ends of the two groups of supports are connected with top ends of the base, the first connecting shaft is rotatably installed between the two groups of supports, the two groups of first pressing rods are both installed on the first connecting shaft, the two groups of springs are both installed on the two groups of supports, the two groups of connecting rods are both installed on the first connecting shaft and are connected with the two groups of springs respectively, the second connecting shaft is rotatably installed between the two groups of connecting rods, and the two groups of second pressing rods are both installed on the second connecting shaft; the two groups of first pressing rods abut against the outer side of the steel roll to press the steel roll, the two groups of connecting rods are driven to rotate by the two groups of springs, the two groups of second pressing rods are pressed tightly against the steel roll, the steel roll is prevented from suddenly swelling and loosening after the binding belt is broken, and the pressing strength is enhanced by the two groups of first pressing rods and the two groups of second pressing rods.

[0011] Preferably, the clamping mechanism comprises two groups of bidirectional screws, two groups of first pulleys, two groups of sliding connecting rods and two groups of reinforcing supports, two groups of sliding grooves are formed in the base, the two groups of bidirectional screws are rotatably installed in the two groups of sliding grooves of the base respectively, the two groups of first pulleys are installed on the two groups of bidirectional screws respectively, the two groups of sliding connecting rods are slidably installed in the two groups of sliding grooves, and the two groups of reinforcing supports are installed on the two groups of sliding connecting rods respectively; the driving mechanism drives the two groups of first pulleys to rotate, the two groups of first pulleys drive the two groups of sliding connecting rods to move close to each other, the two groups of reinforcing supports are clamped to the two sides of the steel roll, and the steel roll is prevented from tilting during the unbinding process.

[0012] Preferably, the driving mechanism comprises a servo motor, a speed reducer, a transmission shaft, two groups of second pulleys and two groups of belts, a bottom end of the servo motor is connected with a top end of the base, a bottom end of the speed reducer is connected with a top end of the base, the transmission shaft is rotatably installed on the base, the two groups of second pulleys are both installed on the transmission shaft, and the belts are tensioned and installed between the first pulleys and the second pulleys; the servo motor is started, the servo motor drives the transmission shaft to rotate through the speed reducer, the transmission shaft drives the two groups of second pulleys to rotate, and the two groups of second pulleys drive the two groups of first pulleys to rotate through the two groups of belts.

[0013] Compared with the prior art, the beneficial effects of the utility model are that: the staff hoists the steel roll to the supporting mechanism, then starts the driving mechanism, the driving mechanism drives the clamping mechanism to clamp the two sides of the steel roll, the pressing mechanism presses the steel roll, and the cutting mechanism is started to cut the binding belt of the steel roll, the pressing mechanism is arranged to prevent the steel roll from suddenly swelling and loosening. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is the axonometric structure schematic view of the utility model;

[0015] Figure 2 is the axonometric structure schematic view of the supporting mechanism of the utility model;

[0016] Figure 3 is the partial enlarged sectional axonometric structure schematic diagram of the cutting mechanism of the utility model;

[0017] Figure 4 is the partial enlarged axonometric structure schematic diagram of the pressing mechanism of the utility model;

[0018] Figure 5 is the partial enlarged sectional axonometric structure schematic diagram of the clamping mechanism and the driving mechanism of the utility model.

[0019] Marked in the drawing: 01, support mechanism;11, base;12, placing seat;13, rotating seat;14, support plate;02, cutting mechanism;21, hydraulic cylinder;22, protection box;23, motor;24, cutting piece;25, laser range finder;26, hanger;27, rubber roller;03, pressing mechanism;31, support;32, first connecting shaft;33, first pressing stick;34, spring;35, connecting rod;36, second connecting shaft;37, second pressing stick;04, clamping mechanism;41, bidirectional screw;42, first belt pulley;43, sliding link;44, reinforcing support;05, driving mechanism;51, servo motor;52, speed reducer;53, transmission shaft;54, second belt pulley;55, belt. DETAILED DESCRIPTION

[0020] In order to facilitate understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. The utility model can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive. Embodiment 1

[0021] The utility model discloses a steel roll automatic unbundling device, including support mechanism 01, still including cutting mechanism 02, pressing mechanism 03, clamping mechanism 04 and drive mechanism 05, cutting mechanism 02 installs on support mechanism 01 and carries out cutting to the bundling belt, pressing mechanism 03 installs on cutting mechanism 02 and presses the steel roll, clamping mechanism 04 installs on support mechanism 01 and clamps the both sides of steel roll, drive mechanism 05 installs on clamping mechanism 04 and drives clamping mechanism 04 to move, support mechanism 01 includes base 11, rest 12, rotary seat 13 and support plate 14, the bottom of base 11 is connected with ground, the bottom of rest 12 is connected with the top of base 11, rotary seat 13 rotatory installation is in base 11, the bottom of support plate 14 is connected with the top of rotary seat 13, still including the recess that opens in rest 12 middle position, cutting mechanism 02 includes hydraulic cylinder 21, protection box 22, motor 23, cutting piece 24, laser range finder 25, hanging bracket 26 and rubber roller 27, hydraulic cylinder 21 installs on support plate 14, the top of protection box 22 is connected with the bottom of hydraulic cylinder 21, the inside of protection box 22 is provided with cavity, motor 23 installs in the cavity of protection box 22, cutting piece 24 installs on motor 23, laser range finder 25 installs in the cavity of protection box 22, hanging bracket 26 installs in the cavity of protection box 22, rubber roller 27 rotatory installation is in hanging bracket 26, pressing mechanism 03 includes two groups of support 31, first connecting shaft 32, two groups of first pressing stick 33, two groups of spring 34, two groups of connecting rod 35, second connecting shaft 36 and two groups of second pressing stick 37, the bottom of two groups of support 31 is connected with the top of base 11, first connecting shaft 32 rotatory installation is between two groups of support 31, two groups of first pressing stick 33 all install on first connecting shaft 32, two groups of spring 34 are installed on two groups of support 31 respectively, two groups of connecting rod 35 all install on first connecting shaft 32 and are connected with two groups of spring 34 respectively, second connecting shaft 36 rotatory installation is between two groups of connecting rod 35, two groups of second pressing stick 37 all install on second connecting shaft 36, when its work, first, staff rotates rotary seat 13 and support plate 14, and conveniently hoist and place steel roll on rest 12, then rotate rotary seat 13 and support plate 14 reset, make cutting mechanism 02 be located in the steel roll directly above, convenient unbundling, two groups of first pressing stick 33 resist the outside of steel roll, and press the steel roll, drive two groups of connecting rod 35 to rotate through two groups of spring 34, make two groups of second pressing stick 37 compress the steel roll, avoid the steel roll to suddenly swell loose after bundling belt breaks, through two groups of first pressing stick 33 and two groups of second pressing stick 37, and the pressing degree of strength is enhanced, hydraulic cylinder 21 promotes the decline of protection box 22, through setting laser range finder 25 and measure the distance between cutting piece 24 and bundling belt, rubber roller 27 follows protection box 22 and declines and presses the bundling belt, starts motor 23, and motor 23 drives cutting piece 24 and cuts the bundling belt, after bundling belt breaks, through setting recess, convenient staff and take out the bundling belt. Embodiment 2

[0022] As Figures 1 to 5 shown, the steel coil automatic unbundling device of the utility model, on the basis of embodiment 1;Clamping mechanism 04 includes two groups of bidirectional lead screws 41, two groups of first belt pulleys 42, two groups of sliding connecting rods 43 and two groups of reinforcing supports 44, two groups of slide grooves are opened on base 11, two groups of bidirectional lead screws 41 are rotatably installed in two groups of slide grooves of base 11 respectively, two groups of first belt pulleys 42 are installed on two groups of bidirectional lead screws 41 respectively, two groups of sliding connecting rods 43 are slidably installed in two groups of slide grooves, and two groups of reinforcing supports 44 are installed on two groups of sliding connecting rods 43 respectively;Driving mechanism 05 includes servo motor 51, speed reducer 52, transmission shaft 53, two groups of second belt pulleys 54 and two groups of belts 55, the bottom end of servo motor 51 is connected with the top end of base 11, the bottom end of speed reducer 52 is connected with the top end of base 11, transmission shaft 53 is rotatably installed on base 11, two groups of second belt pulleys 54 are installed on transmission shaft 53, and belt 55 is tensioned and installed between first belt pulley 42 and second belt pulley 54;When it works, first, the staff rotates rotating seat 13 and support plate 14, conveniently places the steel coil on the placing seat 12, then rotates rotating seat 13 and support plate 14 to reset, makes cutting mechanism 02 be located above the steel coil, conveniently unbundles, two groups of first pressing rods 33 abut against the outside of the steel coil, press the steel coil, two groups of connecting rods 35 are driven to rotate by two groups of springs 34, make two groups of second pressing rods 37 press the steel coil tightly, avoid the steel coil to swell loose suddenly after the bundling belt breaks, the pressing degree is enhanced through two groups of first pressing rods 33 and two groups of second pressing rods 37, start servo motor 51, servo motor 51 rotates transmission shaft 53 through speed reducer 52, transmission shaft 53 drives two groups of second belt pulleys 54 to rotate, two groups of second belt pulleys 54 drive two groups of first belt pulleys 42 to rotate through two groups of belts 55, two groups of first belt pulleys 42 drive two groups of sliding connecting rods 43 to approach, conveniently two groups of reinforcing supports 44 hold the two sides of the steel coil, avoid the steel coil to incline during unbundling, hydraulic cylinder 21 drives protective box 22 to descend, the distance between cutting piece 24 and bundling belt is measured through the setting laser range finder 25, rubber roller 27 follows protective box 22 and descends and press the bundling belt, start motor 23, motor 23 drives cutting piece 24 to cut the bundling belt, after the bundling belt breaks, through the setting recess, the staff conveniently pulls out the bundling belt.

[0023] The motor 23, the servo motor 51 and the speed reducer 52 of the utility model are purchased on the market, and the technical personnel in the industry only need to install and operate according to the attached instruction manual, without the creative labor of the technical personnel in the field.

[0024] The above merely is the preferred implementation manner of the present application, and it should be noted that, for the ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present application.

Claims

1. An automatic steel coil unbundling device, comprising a support mechanism (01); characterized in that, It also includes a cutting mechanism (02), a pressing mechanism (03), a clamping mechanism (04), and a driving mechanism (05). The cutting mechanism (02) is installed on the support mechanism (01) to cut the strapping. The pressing mechanism (03) is installed on the cutting mechanism (02) and presses the steel coil. The clamping mechanism (04) is installed on the support mechanism (01) and clamps both sides of the steel coil. The driving mechanism (05) is installed on the clamping mechanism (04) and drives the clamping mechanism (04) to move.

2. The automatic unbundling device for steel coils as described in claim 1, characterized in that, The support mechanism (01) includes a base (11), a mounting seat (12), a rotating seat (13), and a support plate (14). The bottom end of the base (11) is connected to the ground, the bottom end of the mounting seat (12) is connected to the top end of the base (11), the rotating seat (13) is rotatably mounted on the base (11), and the bottom end of the support plate (14) is connected to the top end of the rotating seat (13).

3. The automatic unbundling device for steel coils as described in claim 2, characterized in that, It also includes a groove in the middle of the mounting base (12).

4. The automatic unbundling device for steel coils as described in claim 2, characterized in that, The cutting mechanism (02) includes a hydraulic cylinder (21), a protective box (22), a motor (23), a cutting blade (24), a laser rangefinder (25), a hanger (26), and a rubber roller (27). The hydraulic cylinder (21) is mounted on a support plate (14). The top of the protective box (22) is connected to the bottom of the hydraulic cylinder (21). The protective box (22) has a cavity inside. The motor (23) is mounted in the cavity of the protective box (22). The cutting blade (24) is mounted on the motor (23). The laser rangefinder (25) is mounted in the cavity of the protective box (22). The hanger (26) is mounted in the cavity of the protective box (22). The rubber roller (27) is rotatably mounted on the hanger (26).

5. The automatic unbundling device for steel coils as described in claim 2, characterized in that, The pressing mechanism (03) includes two sets of brackets (31), a first connecting shaft (32), two sets of first pressing rods (33), two sets of springs (34), two sets of connecting rods (35), a second connecting shaft (36), and two sets of second pressing rods (37). The bottom ends of the two sets of brackets (31) are connected to the top end of the base (11). The first connecting shaft (32) is rotatably installed between the two sets of brackets (31). The two sets of first pressing rods (33) are all installed on the first connecting shaft (32). The two sets of springs (34) are respectively installed on the two sets of brackets (31). The two sets of connecting rods (35) are all installed on the first connecting shaft (32) and respectively connected to the two sets of springs (34). The second connecting shaft (36) is rotatably installed between the two sets of connecting rods (35). The two sets of second pressing rods (37) are all installed on the second connecting shaft (36).

6. The automatic unbundling device for steel coils as described in claim 2, characterized in that, The clamping mechanism (04) includes two sets of bidirectional lead screws (41), two sets of first pulleys (42), two sets of sliding connecting rods (43), and two sets of reinforcing brackets (44). The base (11) has two sets of sliding grooves. The two sets of bidirectional lead screws (41) are rotatably installed in the two sets of sliding grooves of the base (11). The two sets of first pulleys (42) are installed on the two sets of bidirectional lead screws (41). The two sets of sliding connecting rods (43) are slidably installed in the two sets of sliding grooves. The two sets of reinforcing brackets (44) are installed on the two sets of sliding connecting rods (43).

7. The automatic unbundling device for steel coils as described in claim 6, characterized in that, The drive mechanism (05) includes a servo motor (51), a reducer (52), a drive shaft (53), two sets of second pulleys (54) and two sets of belts (55). The bottom end of the servo motor (51) is connected to the top end of the base (11), the bottom end of the reducer (52) is connected to the top end of the base (11), the drive shaft (53) is rotatably mounted on the base (11), the two sets of second pulleys (54) are both mounted on the drive shaft (53), and the belts (55) are tensioned between the first pulley (42) and the second pulley (54).

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