Steel coil unwinding device facilitating feeding

Abstract

The utility model discloses a steel coil unwinding device convenient to feed, which belongs to the technical field of automatic unwinding machines and comprises a bottom plate, and a control box is fixedly mounted at the left end of the bottom plate. A tension adjusting and unwinding mechanism is arranged at the right end of the control box body and comprises an unwinding assembly, a reducing assembly and a synchronous driving assembly; the arc-shaped fixing plate is mounted on the reducing assembly; a linear moving sliding table is mounted at the upper end of the bottom; a moving box body is fixedly mounted at the moving end of the linear moving sliding table; a self-locking feeding mechanism is mounted on the movable box body; the self-locking feeding mechanism comprises a lifting assembly and a self-locking clamping assembly. A vertical plate is fixedly mounted on the right side of the upper end of the movable box; a ball bearing is arranged in the middle of the vertical plate. By means of the mode, the situation that due to insufficient tensioning force, coiled materials are loosened is avoided, and the unwinding efficiency is guaranteed; and the steel rings are prevented from shaking during transportation, the winding efficiency is prevented from being influenced, and the practicability of the device is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to automatic pay off machine technical field, concretely relates to a steel coil pay off device convenient to feed. BACKGROUND

[0002] The steel coil pay off machine is applied to many fields such as machinery, vehicle manufacturing and metal products, and is one of the key equipment in the welded pipe production line. Through design iteration and optimization, the structure of the pay off machine is continuously improved, and the overall performance is significantly improved.

[0003] Chinese patent CN220431682U discloses a kind of steel coil pay off machine, including rack, rotatably clamped with reel on rack, card slot is opened in rack, and press assembly is movably clamped in card slot, electric telescopic rod is arranged on rack through fixed table, and the telescopic end of electric telescopic rod is in abutment with press assembly;Reel is opened with assembly slot, and limit component is arranged in assembly slot, and the slot of assembly slot is provided with positioning component, and positioning component is used to position limit component. However, the device still has the following problems in use process:

[0004] Since electric telescopic rod can only support abutment to one part, the device is payed off, and the inner ring cannot be guaranteed to have outward expansion force during pay-off process of steel ring, which can cause the sliding of inner layer pipeline and lead to coil slack.

[0005] Therefore, the utility model designs a kind of steel coil pay off device convenient to feed to solve above-mentioned problem. UTILITY MODEL CONTENT

[0006] In view of the above shortcomings of prior art, the utility model provides a kind of steel coil pay off device convenient to feed.

[0007] To achieve the above purpose, the utility model is realized by the following technical schemes:

[0008] The utility model provides a steel coil unwinding device convenient to feed, including bottom plate, still including control box, tension adjusting unwinding mechanism, mobile box, self -locking feeding mechanism, linear movement slide, placement board, arc fixed plate, stand and ball bearing, the left end fixed mounting of bottom plate has control box, the right end of control box is provided with tension adjusting unwinding mechanism, tension adjusting unwinding mechanism includes the unwinding assembly of driving steel coil rotation, is used for changing the variable diameter assembly of steel coil inner ring tension and is used for controlling the synchronous drive assembly of variable diameter assembly movement and carries out the variable diameter of variable diameter assembly, unwinding assembly installs in the right end of control box, unwinding assembly is connected with variable diameter assembly, variable diameter assembly is connected with synchronous drive assembly, a plurality of arc fixed plates are installed on variable diameter assembly, and arc fixed plate is evenly distributed in circle array equidistance on variable diameter assembly, the upper end of bottom plate is installed for controlling the linear movement slide of mobile box and drives the steel ring movement, the mobile end fixed mounting of linear movement slide has mobile box, installs self -locking feeding mechanism on mobile box and keeps the self -locking clamping assembly of control steel ring movement and fixed steel ring, and the lifting assembly for controlling placement board is lifted is installed in mobile box, and lifting assembly is connected with placement board, the front and rear both ends of self -locking clamping assembly are installed in placement board, the upper end right side fixed mounting of mobile box has stand, the middle part of stand is provided with ball bearing,

[0009] Further, the inner diameter of the ball bearing is greater than the inner diameter of the steel ring.

[0010] Further, the linear movement slide adopts a gear rack movement structure driven by a motor.

[0011] Further, the lifting assembly includes a push cylinder and guide rods. The push cylinder is fixedly installed at the inner bottom of the mobile box, and the guide rods are fixedly installed at the inner four sides of the mobile box. The output end of the push cylinder is fixedly connected with the lower end of the placement board. The placement board is limitingly and slidably connected with the guide rods.

[0012] Further, the self-locking clamping assembly comprises L-shaped fixing plates, a gas cylinder, a push plate, first, second and third cranks, fixing blocks, sliding push plates and clamping plates; the long edge ends of the two L-shaped fixing plates close to each other are fixedly installed at the front and rear ends of the placing plate; the gas cylinder is fixedly installed at the short edge ends of the two L-shaped fixing plates away from each other; the output end of the gas cylinder is fixedly connected with the push plate; the left and right ends of the push plate are hingedly connected with the first crank; the left and right sides of the short edge ends of the two L-shaped fixing plates close to each other are fixedly installed with the fixing blocks; one end of the second crank is hingedly connected with the fixing block, and the other end of the second crank is hingedly connected with the first crank; one end of the guide column is fixedly connected with the short edge end of the L-shaped fixing plate, and the other end of the guide column is fixedly connected with the upper end of the placing plate; the sliding push plates are limitingly and slidably connected with the guide column; the left and right sides of the ends of the two sliding push plates away from each other are fixedly installed with the fixing blocks; one end of the third crank is hingedly connected with the fixing block on the sliding push plate, and the other end of the third crank is hingedly connected with the second crank; the end of the two sliding push plates close to each other is fixedly installed with the clamping plate; the end of the two clamping plates close to each other is provided in an arc shape, so as to facilitate the adhesion to the surface of the steel ring.

[0013] Further, the unwinding assembly comprises a rotating shaft, a conductive slip ring and a baffle disc, the rotating shaft is rotatably arranged at the right end of the control box body, the stator of the conductive slip ring is fixedly connected with the middle part of the right end of the control box body, and the rotor of the conductive slip ring is fixedly connected with the rotating shaft; the left end of the baffle disc is fixedly connected with the right end of the rotating shaft.

[0014] Further, the diameter changing assembly comprises a fixed disc, sliding grooves and a sliding plate, the fixed disc is fixedly installed at the right end of the baffle disc; a plurality of sliding grooves are formed in the fixed disc, and the sliding grooves are uniformly distributed in a circumferential array at equal intervals on the fixed disc; the sliding plate is limitingly and slidably connected with the sliding grooves; the outer end of the sliding plate is fixedly connected with the arc-shaped fixed plate.

[0015] Further, the synchronous driving assembly comprises a servo motor, a driving gear, a driven gear, a sliding groove and a sliding rod, the servo motor is fixedly installed at the left end of the baffle disc, the output end of the servo motor is fixedly connected with the driving gear, and the driving gear is rotatably connected at the right end of the front side of the fixed disc; the driven gear is rotatably installed at the middle part of the right end of the fixed disc, and the driving gear is meshingly connected with the driven gear; a plurality of sliding grooves are arranged on the driven gear, and the sliding grooves are uniformly distributed in a circumferential array at equal intervals on the driven gear; the left end of the sliding rod is fixedly connected with the right end of the sliding plate; the sliding rod is limitingly and slidably connected with the sliding grooves.

[0016] Compared with the prior art, the utility model discloses the beneficial effect is: through the cooperation of unwinding assembly, reducing diameter subassembly and synchronous drive subassembly, the inner ring has the force that expands outward all the time in the unwinding process of steel ring, the sliding of inner layer pipeline is avoided because of the insufficient tension, and the rolling stock relaxation is caused, guarantee the efficiency of unwinding efficiency, through the cooperation of lifting assembly and self -lock clamping subassembly, conveniently place steel ring to arc fixed plate and carry out unwinding work, and through self -lock clamping subassembly makes steel ring in the moving process, avoids the shaking, causes the inner ring of steel ring to be unable to quickly with arc fixed plate alignment, thereby influences the winding efficiency, further improves the practicality of device. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, below will to the drawing needed to use in the embodiment or prior art description briefly introduce. Obviously, the drawing in the following description only some embodiments of the utility model, for ordinary skilled person in the art comes, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0018] Figure 1 It is a perspective of the steel coil unwinding device convenient to feed of the utility model Figure One ;

[0019] Figure 2 It is a front view of the steel coil unwinding device convenient to feed of the utility model

[0020] Figure 3 It is a right view of the steel coil unwinding device convenient to feed of the utility model

[0021] Figure 4 It is a perspective of the steel coil unwinding device convenient to feed of the utility model Figure Two ;

[0022] Figure 5 It is a perspective of the steel coil unwinding device convenient to feed of the utility model Figure Three ;

[0023] Figure 6 It is a perspective along the A-A direction of Figure 3 ;

[0024] Figure 7 It is the enlarged view of B in Figure 3 ;

[0025] Figure 8 It is the enlarged view of C in Figure 4 .

[0026] The reference signs in the drawing respectively represent:

[0027] 1, bottom plate; 2, control box; 3, tension adjusting unwinding mechanism; 31, unwinding assembly; 311, rotating shaft; 312, conductive slip ring; 313, baffle disc; 32, variable diameter assembly; 321, fixed disc; 322, sliding groove; 323, sliding plate; 33, synchronous driving assembly; 331, servo motor; 332, driving gear; 333, driven gear; 334, sliding groove; 335, sliding rod; 4, moving box; 5, self-locking feeding mechanism; 51, lifting assembly; 511, push cylinder; 512, guide rod; 52, self-locking clamping assembly; 521, L-shaped fixed plate; 522, air cylinder; 523, push plate; 524, first crank; 525, second crank; 526, third crank; 527, fixed block; 528, sliding push plate; 529, clamping plate; 5210, guide column; 6, linear moving slide; 7, placing plate; 8, arc-shaped fixed plate; 9, vertical plate; 10, ball bearing. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0029] In the following description, "left", "right", "front", "back", "up", "down" are oriented with the perspective of the front view.

[0030] In some embodiments, referring to the drawings of the specification Figures 1-8The utility model provides a steel coil unwinding device convenient to feed, including bottom plate 1, still include control box 2, tension adjusting unwinding mechanism 3, mobile box 4, self -locking feeding mechanism 5, linear movement slide 6, place board 7, arc fixed plate 8, stand 9 and ball bearing 10, the left end fixed mounting of bottom plate 1 has control box 2, the right end of control box 2 is provided with tension adjusting unwinding mechanism 3, tension adjusting unwinding mechanism 3 includes the unwinding subassembly 31 of drive steel coil rotation, is used for changing the inside diameter of steel coil tension change subassembly 32 and is used for controlling change subassembly 32 movement and changes the synchronous drive subassembly 33 of diameter, unwinding subassembly 31 installs in the right end of control box 2, unwinding subassembly 31 is connected with change subassembly 32, change subassembly 32 is connected with synchronous drive subassembly 33, a plurality of arc fixed plate 8 installs on change subassembly 32, and arc fixed plate 8 is evenly distributed in circle array equidistance on change subassembly 32, the upper end of bottom plate 1 is installed for the linear movement slide 6 of control mobile box 4 drive steel ring movement, the mobile end of linear movement slide 6 is fixedly installed with mobile box 4, and the self -locking feeding mechanism 5 of control steel ring movement and keep steel ring fixed is installed on mobile box 4, and the self -locking feeding mechanism 5 includes the lifting subassembly 51 for controlling place board 7 and the self -locking clamping subassembly 52 for fixed steel ring, lifting subassembly 51 installs on mobile box 4, and lifting subassembly 51 is connected with place board 7, and the self -locking clamping subassembly 52 installs in the front and rear both ends of place board 7, the upper end right side of mobile box 4 is fixedly installed with stand 9, and the middle part of stand 9 is provided with ball bearing 10, wherein the inside diameter of ball bearing 10 is slightly larger than the inside diameter of steel ring, the linear movement slide 6 can adopt the gear rack movement structure of motor drive.

[0031] In the utility model, the steel ring is placed on the placing plate 7 through the hoisting device, and then the self-locking clamping assembly 52 fixes the steel ring from the front and back sides, and then the lifting assembly 51 works to drive the placing plate 7 to move until the inner ring of the steel ring is aligned with the arc-shaped fixing plate 8, the linear moving slide table 6 works to drive the moving box 4 to move left, and during the moving process, the arc-shaped fixing plate 8 is inserted into the inner ring of the steel ring; until the right end of the arc-shaped fixing plate 8 extends from the right end of the ball bearing 10; then, the synchronous driving assembly 33 is started, and the synchronous driving assembly 33 works to drive the variable diameter assembly 32 and the plurality of arc-shaped fixing plates 8 to expand outward together, so that the inner ring of the steel ring is pressed outward to the outer ring, avoiding the relaxation of the material coil during the unwinding process, which reduces the unwinding efficiency; and the right end outer side of the plurality of arc-shaped fixing plates 8 also abuts the inner ring of the ball bearing 10, so that the left and right sides can provide support effect when the heavy steel coil is unwound, ensuring the safety during unwinding; when the arc-shaped fixing plate 8 abuts the inner ring of the steel ring, the self-locking clamping assembly 52 works to release the fixation of the front and back sides of the steel ring, and the lifting assembly 51 works to drive the placing plate 7 to move downward away from the lower end of the steel ring, and then the unwinding assembly 31 works, the unwinding assembly 31 works to drive the variable diameter assembly 32 to rotate, drives the steel coil to rotate, and realizes the unwinding function; through the cooperation of the unwinding assembly 31, the variable diameter assembly 32 and the synchronous driving assembly 33, the inner ring of the steel ring always has an outward expansion force during the unwinding process, avoiding the sliding of the inner layer pipeline due to insufficient tension, causing the material coil to relax, and ensuring the efficiency of the unwinding efficiency; through the cooperation of the lifting assembly 51 and the self-locking clamping assembly 52, the steel ring is conveniently placed on the arc-shaped fixing plate 8 for unwinding work, and through the self-locking clamping assembly 52, the steel ring is prevented from shaking during the moving process, so that the inner ring of the steel ring cannot be quickly aligned with the arc-shaped fixing plate 8, thereby affecting the winding efficiency, and the practicability of the device is further improved.

[0032] The lifting assembly 51 comprises a push cylinder 511 and a guide rod 512; the push cylinder 511 is fixedly installed on the inner bottom of the moving box 4, and a plurality of guide rods 512 are fixedly installed on the four inner sides of the moving box 4; and the output end of the push cylinder 511 is fixedly connected with the lower end of the placing plate 7; the placing plate 7 is limitingly and slidably connected with the guide rods 512.

[0033] The self-locking clamping assembly 52 comprises L-shaped fixed plates 521, air cylinders 522, push plates 523, first cranks 524, second cranks 525, third cranks 526, fixed blocks 527, sliding push plates 528 and clamping plates 529; the long edge ends of the two L-shaped fixed plates 521 close to each other are fixedly installed at the front and rear ends of the placement plate 7; the air cylinders 522 are fixedly installed at the short edge ends of the two L-shaped fixed plates 521 away from each other; the output end of the air cylinder 522 is fixedly connected with the push plate 523; the left and right ends of the push plate 523 are hingedly connected with the first crank 524; the left and right sides of the short edge ends of the two L-shaped fixed plates 521 close to each other are fixedly installed with the fixed blocks 527; one end of the second crank 525 is hingedly connected with the fixed block 527, and the other end of the second crank 525 is hingedly connected with the first crank 524; one end of the guide column 5210 is fixedly connected with the short edge end of the L-shaped fixed plate 521, and the other end of the guide column 5210 is fixedly connected with the upper end of the placement plate 7; the sliding push plate 528 is limitingly and slidably connected with the guide column 5210; the left and right sides of the ends of the two sliding push plates 528 away from each other are fixedly installed with the fixed blocks 527; one end of the third crank 526 is hingedly connected with the fixed block 527 on the sliding push plate 528, and the other end of the third crank 526 is hingedly connected with the second crank 525; the end of the two sliding push plates 528 close to each other is fixedly installed with the clamping plate 529; the end of the two clamping plates 529 close to each other is provided in an arc shape, so as to facilitate adhesion to the surface of the steel ring.

[0034] In the utility model, the steel ring is placed to the upper end of the placement plate 7 through the hoisting device, then the air cylinders 522 on the two sides are started, the air cylinder 522 works to drive the push plate 523 to move towards the direction of the steel ring, in the moving process, the push plate 523 drives the first crank 524 to rotate, the first crank 524 drives the second crank 525 and the third crank 526 to move together, and the sliding push plate 528 drives the clamping plate 529 to move along the guide column 5210 until the clamping plate 529 is tightly attached to the steel ring, at this moment, the first crank 524 drives the second crank 525 and the third crank 526 to rotate to the dead point position, and self-locking fixation is realized; then the push cylinder 511 works to push the placement plate 7 to move upwards along the guide rod 512 until the inner ring of the steel ring on the placement plate 7 is aligned with the arc-shaped fixed plate 8; the linear moving sliding table 6 works to drive the moving box body 4 to move left, and the unwinding operation is carried out.

[0035] The unwinding assembly 31 comprises a rotating shaft 311, a conductive slip ring 312 and a baffle disc 313, the rotating shaft 311 is rotatably arranged at the right end of the control box body 2, the stator of the conductive slip ring 312 is fixedly connected with the middle part of the right end of the control box body 2, and the rotor of the conductive slip ring 312 is fixedly connected with the rotating shaft 311; the left end of the baffle disc 313 is fixedly connected with the right end of the rotating shaft 311; the rotating shaft 311 is driven by a motor.

[0036] The variable diameter assembly 32 comprises a fixed disc 321, sliding grooves 322 and a sliding plate 323, the fixed disc 321 is fixedly installed at the right end of the baffle disc 313; a plurality of sliding grooves 322 are formed in the fixed disc 321 and are uniformly distributed in a circumferential array at equal intervals on the fixed disc 321; the sliding plate 323 is limitingly and slidably connected with the sliding grooves 322; and the outer end of the sliding plate 323 is fixedly connected with the arc-shaped fixed plate 8.

[0037] The synchronous driving assembly 33 comprises a servo motor 331, a driving gear 332, a driven gear 333, sliding grooves 334 and a sliding rod 335, the servo motor 331 is fixedly installed at the left end of the baffle disc 313 and the output end of the servo motor 331 is fixedly connected with the driving gear 332, the driving gear 332 is rotatably connected at the right end of the fixed disc 321, the driven gear 333 is rotatably installed at the middle of the right end of the fixed disc 321 and the driving gear 332 is meshingly connected with the driven gear 333, a plurality of sliding grooves 334 are arranged on the driven gear 333 and are uniformly distributed in a circumferential array at equal intervals on the driven gear 333, and the left end of the sliding rod 335 is fixedly connected with the right end of the sliding plate 323, and the sliding rod 335 is limitingly and slidably connected with the sliding grooves 334.

[0038] In the utility model, the linear moving slide table 6 drives the steel coil to move from right to left, and the arc-shaped fixed plate 8 is inserted into the inner ring of the steel ring until the right end of the arc-shaped fixed plate 8 extends into the inner ring of the ball bearing 10 arranged on the vertical plate 9, then the servo motor 331 is started, the servo motor 331 works to drive the driving gear 332 to rotate, the driving gear 332 drives the driven gear 333 to rotate, the sliding rod 335 is slid along the sliding groove 334, at this time, the sliding rod 335 drives the sliding plate 323 to move outward along the sliding groove 322, the arc-shaped fixed plate 8 expands outward along the sliding groove 322 until the middle of the arc-shaped fixed plate 8 abuts against the inner ring of the steel ring and the right end of the arc-shaped fixed plate 8 abuts against the inner ring of the ball bearing 10, then the push cylinder 511 works to drive the clamping plate 529 to reset, the locking of the steel ring is released, and the push cylinder 511 resets so that the upper end of the placing plate 7 is away from the bottom of the steel ring, then the rotating shaft 311 rotates, the rotating shaft 311 rotates to drive the baffle disc 313 to rotate, the baffle disc 313 drives the fixed disc 321 to rotate, the arc-shaped fixed plate 8 rotates along with the fixed disc 321 to realize the steel ring unwinding operation, and during the unwinding process, the servo motor 331 works to drive the arc-shaped fixed plate 8 to keep expanding outward, so that the inner ring of the steel ring always has an outward expanding force, avoiding the relaxation of the steel ring.

[0039] The above examples are only used to illustrate the technical solutions of the present application, and are not intended to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can still be modified, or some technical features therein can be replaced by equivalents; and these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A steel coil unwinding device facilitating feeding, comprising a base plate (1), characterized in that: a control box (2), a tension adjusting unwinding mechanism (3), a moving box (4), a self-locking feeding mechanism (5), a linear moving slide (6), a placing plate (7), an arc-shaped fixing plate (8), a vertical plate (9) and a ball bearing (10) are further included; the control box (2) is fixedly installed at the left end of the base plate (1); the tension adjusting unwinding mechanism (3) is arranged at the right end of the control box (2); the tension adjusting unwinding mechanism (3) comprises an unwinding assembly (31) for driving the steel coil to rotate, a variable-diameter assembly (32) for changing the tension of the inner ring of the steel coil and a synchronous driving assembly (33) for controlling the movement of the variable-diameter assembly (32) to change the diameter; the unwinding assembly (31) is installed at the right end of the control box (2); the unwinding assembly (31) is connected with the variable-diameter assembly (32); the variable-diameter assembly (32) is connected with the synchronous driving assembly (33); a plurality of arc-shaped fixing plates (8) are installed on the variable-diameter assembly (32) and are uniformly distributed in a circumferential array at equal intervals on the variable-diameter assembly (32); the linear moving slide (6) for controlling the moving box (4) to drive the steel ring to move is installed at the upper end of the base plate (1); the moving box (4) is fixedly installed at the moving end of the linear moving slide (6); the self-locking feeding mechanism (5) for controlling the movement of the steel ring and keeping the steel ring fixed is installed on the moving box (4); the self-locking feeding mechanism (5) comprises a lifting assembly (51) for controlling the lifting of the placing plate (7) and a self-locking clamping assembly (52) for fixing the steel ring; the lifting assembly (51) is installed on the moving box (4) and connected with the placing plate (7); the self-locking clamping assembly (52) is installed at the front and rear ends of the placing plate (7); the vertical plate (9) is fixedly installed at the upper right side of the moving box (4); the ball bearing (10) is arranged in the middle of the vertical plate (9). The inner ring diameter of the ball bearing (10) is greater than the inner ring diameter of the steel ring.

2. The steel coil uncoiling apparatus for facilitating loading according to claim 1, wherein, The linear moving slide (6) adopts a gear rack moving structure driven by a motor.

3. The steel coil uncoiler with easy loading according to claim 2, characterized in that, The lifting assembly (51) comprises a push cylinder (511) and a guide rod (512); the push cylinder (511) is fixedly installed at the inner bottom of the moving box (4), a plurality of guide rods (512) are fixedly installed at the four inner sides of the moving box (4); and the output end of the push cylinder (511) is fixedly connected with the lower end of the placing plate (7); the placing plate (7) is limitingly and slidingly connected with the guide rods (512).

4. The steel coil uncoiler with easy loading according to claim 3, characterized in that, ​ 5. The steel coil uncoiler with easy loading according to claim 4, characterized in that, The self-locking clamping assembly (52) comprises L-shaped fixed plates (521), a gas cylinder (522), a push plate (523), a first crank (524), a second crank (525), a third crank (526), fixed blocks (527), sliding push plates (528) and clamping plates (529); the long edge ends of the two L-shaped fixed plates (521) close to each other are fixedly installed at the front and rear ends of the placement plate (7); the gas cylinder (522) is fixedly installed at the short edge ends of the two L-shaped fixed plates (521) away from each other; the output end of the gas cylinder (522) is fixedly connected with the push plate (523); the left and right ends of the push plate (523) are hingedly connected with the first crank (524); the short edge ends of the two L-shaped fixed plates (521) close to each other are fixedly installed with the fixed blocks (527) on the left and right sides; one end of the second crank (525) is hingedly connected with the fixed block (527), and the other end of the second crank (525) is hingedly connected with the first crank (524); one end of the guide column (5210) is fixedly connected with the short edge end of the L-shaped fixed plate (521), and the other end of the guide column (5210) is fixedly connected with the upper end of the placement plate (7); the sliding push plate (528) is limitingly and slidably connected with the guide column (5210); the short edge ends of the two sliding push plates (528) away from each other are fixedly installed with the fixed blocks (527) on the left and right sides; one end of the third crank (526) is hingedly connected with the fixed block (527) on the sliding push plate (528), and the other end of the third crank (526) is hingedly connected with the second crank (525); the short edge ends of the two sliding push plates (528) close to each other are fixedly installed with the clamping plates (529); the short edge ends of the two clamping plates (529) close to each other are provided in an arc shape, so that the clamping plates (529) are convenient to fit the surface of the steel ring.

6. The steel coil uncoiler with easy loading according to claim 5, characterized in that, The unwinding assembly (31) comprises a rotating shaft (311), a conductive slip ring (312) and a baffle disc (313), the rotating shaft (311) is rotatably arranged at the right end of the control box body (2), the stator of the conductive slip ring (312) is fixedly connected with the middle part of the right end of the control box body (2), and the rotor of the conductive slip ring (312) is fixedly connected with the rotating shaft (311); the left end of the baffle disc (313) is fixedly connected with the right end of the rotating shaft (311).

7. The steel coil uncoiler with ease of loading according to claim 6, characterized in that, The diameter changing assembly (32) comprises a fixed disc (321), sliding grooves (322) and sliding plates (323), the fixed disc (321) is fixedly installed at the right end of the baffle disc (313); a plurality of sliding grooves (322) are formed in the fixed disc (321), and the sliding grooves (322) are uniformly distributed in a circumferential array at equal intervals on the fixed disc (321); the sliding plates (323) are limitingly and slidably connected with the sliding grooves (322); and the outer ends of the sliding plates (323) are fixedly connected with the arc-shaped fixed plate (8).

8. The steel coil uncoiler with ease of loading according to claim 7, characterized in that, The synchronous driving assembly (33) comprises a servo motor (331), a driving gear (332), a driven gear (333), a sliding groove (334) and a sliding rod (335), the servo motor (331) is fixedly installed on the left end front side of the baffle disc (313), the output end of the servo motor (331) is fixedly connected with the driving gear (332), the driving gear (332) is rotatably connected on the right end front side of the fixed disc (321); the driven gear (333) is rotatably installed on the right end middle part of the fixed disc (321), and the driving gear (332) is meshingly connected with the driven gear (333); a plurality of sliding grooves (334) are arranged on the driven gear (333), the sliding grooves (334) are uniformly distributed at equal intervals in a circumferential array on the driven gear (333); the left end of the sliding rod (335) is fixedly connected with the right end of the sliding plate (323); and the sliding rod (335) is limitingly and slidably connected with the sliding groove (334).

Images