Uncoiler and coiler directly driven by permanent magnet motor

Abstract

An uncoiling machine and a coiling machine directly driven by a permanent magnet motor are mainly used for uncoiling and coiling steel coils in the metallurgical industry. The left side part of the reel is a reel function part capable of realizing expansion and contraction actions of the reel, and the right side part of the reel is mounted in the box body and forms a driving assembly with the permanent magnet motor assembly; the two sides of the upper box body and the lower box body are of bearing seat structures, the reel is fixed between the upper box body and the lower box body, a rotor of the permanent magnet motor assembly is in expansion connection with the reel through an expansion sleeve, the permanent magnet motor assembly drives the reel to rotate, and a stator is fixed to the lower box body. The box body is installed on the base, and the water cooling device is arranged on one side of the box body and installed on the base. The device is simple and compact in structure and good in sealing performance, adopts a permanent magnet synchronous motor direct drive mode, has the advantages of being high in response speed, high in control precision, large in rotating thrust, easy to control the rotating speed, high in transmission efficiency and the like, and can reduce energy loss, equipment size, equipment weight and maintenance pressure.

Description

Technical Field

[0001] The present invention relates to the technical field of metallurgical equipment, and specifically to an uncoiler and a recoiler directly driven by a permanent magnet motor. Background Art

[0002] With the rapid development of steel manufacturing technology in the modern metallurgical industry, the demand for uncoilers and recoilers necessary in the metallurgical field is increasing. The main transmission parts of existing uncoilers and recoilers mostly consist of asynchronous motors, gear transmission boxes, transmission structural parts, equipment structural parts, auxiliary systems, etc. There are many problems with the above-mentioned types of equipment, mainly manifested as follows: 1. The gears of the gear transmission box are easily damaged, and the speed accuracy control is not precise enough; 2. There is a risk of bearing failure; 3. There are risks such as abnormal noises and oil leakage during equipment operation; 4. The overall equipment occupies a large volume and has a complex structure; 5. The equipment manufacturing cycle is long, and the operation and maintenance costs are high. Summary of the Invention

[0003] To overcome the deficiencies of the prior art, the invention purpose of the present invention is to provide an uncoiler and a recoiler directly driven by a permanent magnet motor, and to perform a toothless design on the transmission system of the traditional uncoiler and recoiler to achieve integrated manufacturing of equipment drive and motor.

[0004] To achieve the above invention purpose, the left side part of the reel of the present invention is a reel functional part that can realize the reel and uncoil expansion and contraction actions of the reel. The right side part has the same structure and is installed inside the box body, and forms a drive assembly with the permanent magnet motor assembly; both sides of the upper box body and the lower box body of the box body are bearing seat structures. The right side part of the reel passes through the front bearing and the rear bearing installed in the bearing seat and is fixed in the middle of the upper box body and the lower box body. The rotor of the permanent magnet motor assembly is tightly connected to the reel through the expansion sleeves on both sides thereof. The permanent magnet motor assembly drives the reel to rotate. The outer shell of the stator of the permanent magnet motor assembly is fixed to the lower box body by screws; the box body is slidably connected to the base, and a water cooling device for cooling and cooling the permanent magnet motor assembly is provided on one side of the box body.

[0005] Further, the reel includes a winding reel for winding steel coils and an unwinding reel for unwinding steel coils. The right side parts of the winding reel and the unwinding reel have the same structure. The left side reel functional part includes a winding reel expansion and contraction structure of the winding reel and an unwinding reel expansion and contraction structure of the unwinding reel.

[0006] Further, a first pull rod is provided inside the winding reel. The first pull rod is connected to the piston rod end of a rotary oil cylinder assembly installed at the tail end of the winding reel. The winding reel expansion and contraction structure at the left end of the winding reel consists of an inclined wedge, an inclined wedge block, and a winding reel sector plate. Multiple inclined surfaces on the outer circle of the inclined wedge are press-connected to multiple inclined surfaces on the inner circle of the inclined wedge block. The inclined wedge and the inclined wedge block are evenly distributed along the circumference of the winding reel. A clamping block is installed at the left end of the first pull rod, and the clamping block is clamped into the card slot of the inclined wedge. The winding reel sector plate is press-connected to the inclined surfaces on both sides of the inclined wedge block installed between the winding reel sector plates. Multiple winding reel sector plates are evenly distributed outside the winding reel through spring screws. One end of a winding reel sector plate is provided with a tiger's mouth. The inner convex arc surface of the winding reel sector plate is adapted to the concave arc surface of the winding reel. The outer edges of the winding reel sector plates form a circular surface. After the rotary oil cylinder assembly is filled with oil, the piston rod pushes the first pull rod to drive the inclined wedge to move back and forth, causing the inclined wedge block to move radially, driving the winding reel sector plate to perform expansion and contraction actions, and driving the tiger's mouth to shrink or expand.

[0007] Further, a second pull rod is provided inside the unwinding reel. The second pull rod is connected to the piston rod end of a rotary oil cylinder assembly installed at the tail end of the unwinding reel. The unwinding reel expansion and contraction structure at the left end of the unwinding reel consists of an expansion and contraction sliding sleeve and an unwinding reel sector plate. Multiple inclined surfaces on the outer circle of the expansion and contraction sliding sleeve are press-connected to multiple inclined surfaces on the inner circle of the unwinding reel sector plate. The second pull rod is key-connected to the expansion and contraction sliding sleeve. A shoulder is provided on the unwinding reel. The card slot at one end of the unwinding reel sector plate is stuck on the shoulder, enabling the unwinding reel sector plate to move radially without axial movement. The expansion and contraction sliding sleeve and the unwinding reel sector plate are evenly distributed along the circumference of the unwinding reel. The outer edges of the unwinding reel sector plates form a circular surface. After the rotary oil cylinder assembly is filled with oil, it pushes the second pull rod to drive the expansion and contraction sliding sleeve to move back and forth, causing the unwinding reel sector plate to move radially, and the unwinding reel sector plate performs expansion and contraction actions.

[0008] Further, brake discs are installed on the right sides of the winding reel and the unwinding reel. The brake discs are fixed to the winding reel and the unwinding reel through flange plates and connecting parts. The brake discs are stuck in the card slots of the flange plates. The brake discs control the operation of the winding reel and the unwinding reel through brakes, and the brakes are fixed on the base.

[0009] Further, the front bearing and the rear bearing are positioned through the stepped shoulders of the winding reel and the unwinding reel. The inner side of the front bearing is fixed with a locking nut. The front bearing is sealed on the front side of the box body through the front bearing inner end cover and the front bearing outer end cover. The rear bearing is sealed at the rear end of the box body through the rear bearing inner end cover and the rear bearing outer end cover. Felt gaskets are provided between the front bearing inner end cover, the front bearing outer end cover, the rear bearing inner end cover, the rear bearing outer end cover and the winding reel and the unwinding reel.

[0010] Furthermore, the water cooling device includes a water tank and a fan. The water cooling device is installed on the water tank mounting plate and supported on the box body; the outlet of the water tank is connected to the cooling water channel in the permanent magnet motor assembly housing through a pipeline, and the water in the pipeline is connected to the inlet of the water tank after being cooled by the fan; a water pump and a pressure gauge are provided on the pipeline.

[0011] Furthermore, a linear guide rail is installed on the base, and the box body is slidably connected to the linear guide rail; the screw rod of the screw rod device for controlling the horizontal movement of the box body is connected to the right side of the box body, the fixed block of the screw rod device is installed together with the base, the screw rod is threadedly connected to the fixed block, and the screw rod device controls the box body, the winding reel and the unwinding reel to horizontally move synchronously on the base.

[0012] Furthermore, an oil cylinder limiting device for limiting the rotation oil cylinder assembly of the winding reel and the unwinding reel to prevent its yaw is installed on the base. One end of the oil cylinder limiting bracket is threadedly connected to the cylinder barrel end of the rotation oil cylinder assembly, and the other end is slidably connected to the U-shaped groove at one end of the oil cylinder limiting device. The other end of the oil cylinder limiting device is installed on the base through the fixing nut of the screw rod device.

[0013] Compared with the prior art, the present invention has the following advantages: 1. The structure is simple and compact, and the sealing performance is good. Under the condition of meeting the working requirements of the reel, the permanent magnet motor can directly drive the reel to rotate, without transmission components such as gears and speed reducers, simplifying the driving method and structure, having high transmission efficiency, and reducing energy consumption.

[0014] 2. Adopting the driving form of direct drive by a permanent magnet motor, it has the advantages of fast response speed, high control precision, large rotational thrust, easy control of rotational speed, etc., and greatly reduces the volume of the equipment and lightens the weight of the equipment.

[0015] 3. Faults such as gear damage, transmission abnormal noise, bearing damage, and equipment oil leakage existing in the existing equipment no longer exist, effectively reducing the maintenance pressure of the equipment. Brief Description of the Drawings

[0016] Figure 1 is a structural schematic diagram of the present invention.

[0017] Figure 2 is Figure 1 the top view of

[0018] Figure 3 is Figure 1 the motor installation layout diagram of

[0019] Figure 4 is Figure 1 the structural schematic diagram of the winding reel for winding.

[0020] Figure 5for Figure 4 BB view.

[0021] Figure 6 for Figure 1 A simplified diagram of the unwinding reel structure used for unwinding.

[0022] Figure 7 for Figure 6 AA view of the .

[0023] In the figure: 1, reel; 1-1, reeling reel; 1-1-1, rod 1; 1-1-2, oblique wedge; 1-1-3, oblique wedge block; 1-1-4, slot; 1-1-5, block; 1-1-6, reeling reel fan plate; 1-1-7, spring screw; 1-1-8, jaws; 1-2, unreeling reel; 1-2-1, rod 2; 1-2-2, expansion sleeve; 1-2-3, unreeling reel fan plate; 1-2-4, key; 1-2-5, shoulder; 3, water cooling device; 3-1, fan; 3-2, water tank; 3-3, water pump; 3-4, pipeline; 3-5 , pressure gauge; 4, brake; 5, brake disc; 6, base; 7, water tank mounting plate; 8, linear guide; 9, screw device; 10, cylinder limit device; 10-1, cylinder limit bracket; 11, permanent magnet motor assembly; 11-1, housing; 11-2, cooling water channel; 12, expansion sleeve; 13, front end bearing; 14, locking nut; 15, rear end bearing; 16, rear bearing inner end cover; 17, rear bearing outer end cover; 18, front bearing outer end cover; 19, front bearing inner end cover; 20, felt; 21, rotary cylinder assembly; 22, flange; 23, connector. DETAILED DESCRIPTION

[0024] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7As shown in the figure, the left part of the reel 1 of the present invention is a reel functional part that can realize the expansion and contraction movement of the reel 1, and is used for the uncoiling and rewinding of the equipment. The right part is installed inside the box body 2 and forms a driving assembly with the permanent magnet motor assembly 11. The reel 1 includes a winding reel 1-1 for winding the steel coil and an unwinding reel 1-2 for unwinding the steel coil. The right parts of the winding reel 1-1 and the unwinding reel 1-2 have the same structure. The reel functional part on the left includes a winding reel expansion and contraction structure of the winding reel 1-1 and an unwinding reel expansion and contraction structure of the unwinding reel 1-2. The permanent magnet motor assembly 11 can be assembled with the winding reel 1-1 and the unwinding reel 1-2 respectively to form an uncoiler and a rewinder directly driven by the permanent magnet motor. Both sides of the upper box body 2-1 and the lower box body 2-2 of the box body 2 are of bearing seat structure. The right parts of the winding reel 1-1 and the unwinding reel 1-2 pass through the front bearing 13 and the rear bearing 15 installed in the bearing seat and are fixed in the middle of the upper box body 2-1 and the lower box body 2-2 to make them stable. The rotor of the permanent magnet motor assembly 11 is tightly connected with the winding reel 1-1 and the unwinding reel 1-2 through the expansion sleeves 12 on both sides thereof. The permanent magnet motor assembly 11 drives the winding reel 1-1 and the unwinding reel 1-2 to rotate. The outer shell of the stator of the permanent magnet motor assembly 11 is fixed to the lower box body 2-2 by screws. The box body 2 is installed on the base 6. One side of the box body 2 is provided with a water cooling device 3 for cooling and temperature reduction of the permanent magnet motor assembly 11. A brake disc 5 is installed on one side of the winding reel 1-1 and the unwinding reel 1-2. The brake disc 5 controls the operation of the winding reel 1-1 and the unwinding reel 1-2 through the brake 4. The brake 4 is fixed on the base 6.

[0025] Inside the take-up reel 1-1, there is a first pull rod 1-1-1. The first pull rod 1-1-1 is connected to the piston rod end of the rotary oil cylinder assembly 21 installed at the end of the take-up reel 1-1. The take-up reel expansion and contraction structure at the left end of the take-up reel 1-1 consists of an inclined wedge 1-1-2, an inclined wedge block 1-1-3, and a take-up reel sector plate 1-1-6. The multiple inclined surfaces on the outer ring of the inclined wedge 1-1-2 are press-connected to the multiple inclined surfaces on the inner ring of the inclined wedge block 1-1-3. The inclined wedge 1-1-2 and the inclined wedge block 1-1-3 are evenly distributed along the circumference of the take-up reel 1-1. A clamping block 1-1-5 is installed at the left end of the first pull rod 1-1-1, and the clamping block 1-1-5 is clamped into the card slot 1-1-4 of the inclined wedge 1-1-2. The take-up reel sector plate 1-1-6 is press-connected to the inclined surfaces on both sides of the inclined wedge block 1-1-3 installed between the take-up reel sector plates 1-1-6. Multiple take-up reel sector plates 1-1-6 are evenly distributed outside the take-up reel 1-1 through spring screws 1-1-7. One end of one take-up reel sector plate 1-1-6 is provided with a tiger's mouth 1-1-8. The inner convex arc surface of the take-up reel sector plate 1-1-6 is adapted to the concave arc surface of the take-up reel 1-1. The outer edges of the take-up reel sector plates 1-1-6 form a circular surface. After the rotary oil cylinder assembly 21 is filled with oil, the piston rod can push the first pull rod 1-1-1 to drive the inclined wedge 1-1-2 to move back and forth, causing the inclined wedge block 1-1-3 to move radially, driving the take-up reel sector plate 1-1-6 to perform expansion and contraction actions, and driving the tiger's mouth 1-1-8 to shrink or expand, thereby clamping or loosening the steel coil. During take-up, the permanent magnet motor assembly 11 drives the take-up reel 1-1 to rotate forward, and the tiger's mouth 1-1-8 clamps the inlet end of the steel coil, and the steel coil can be automatically wound around the take-up reel 1-1.

[0026] Inside the pay-off reel 1-2, there is a second pull rod 1-2-1. The second pull rod 1-2-1 is connected to the piston rod end of the rotary oil cylinder assembly 21 installed at the end of the pay-off reel 1-2. The pay-off reel expansion and contraction structure at the left end of the pay-off reel 1-2 consists of an expansion and contraction sliding sleeve 1-2-2 and a pay-off reel sector plate 1-2-3. The multiple inclined surfaces on the outer ring of the expansion and contraction sliding sleeve 1-2-2 are press-connected to the multiple inclined surfaces on the inner ring of the pay-off reel sector plate 1-2-3. The second pull rod 1-2-1 is connected to the expansion and contraction sliding sleeve 1-2-2 through a key 1-2-4. There is a shoulder 1-2-5 on the pay-off reel 1-2, and the card slot at one end of the pay-off reel sector plate 1-2-3 is stuck on the shoulder 1-2-5, enabling the pay-off reel sector plate 1-2-3 to move radially without axial movement. The expansion and contraction sliding sleeve 1-2-2 and the pay-off reel sector plate 1-2-3 are evenly distributed along the circumference of the pay-off reel 1-2. The outer edges of the pay-off reel sector plates 1-2-3 form a circular surface. After the rotary oil cylinder assembly 21 is filled with oil, it pushes the second pull rod 1-2-1 to drive the expansion and contraction sliding sleeve 1-2-2 to move back and forth, causing the pay-off reel sector plate 1-2-3 to move radially, and the pay-off reel sector plate 1-2-3 performs expansion and contraction actions, thereby clamping or loosening the steel coil. During pay-off, the permanent magnet motor assembly 11 drives the pay-off reel 1-2 to rotate forward, and the steel coil wound on the pay-off reel 1-2 can be automatically payed off.

[0027] A brake disc 5 is installed on the right side of the coiling reel 1-1 and the uncoiling reel 1-2. The brake disc 5 is fixed on the coiling reel 1-1 and the uncoiling reel 1-2 through a flange 22 and a connecting piece 23. The brake disc 5 is stuck in the slot of the flange 22. The brake disc 5 controls the operation of the coiling reel 1-1 and the uncoiling reel 1-2 through a brake 4. The brake 4 is fixed on the base 6. The brake 4 is an off-the-shelf component with a model specification of QP30-D-8.

[0028] The front-end bearing 13 and the rear-end bearing 15 are positioned by the stepped shoulders of the coiling reel 1-1 and the uncoiling reel 1-2. The inner side of the front-end bearing 13 is fixed with a lock nut 14. The front-end bearing 13 is sealed on the front side of the box body 2 through a front bearing inner end cover 19 and a front bearing outer end cover 18. The rear-end bearing 15 is sealed at the rear end of the box body 2 through a rear bearing inner end cover 16 and a rear bearing outer end cover 17. Felt 20 is provided between the front bearing inner end cover 19, the front bearing outer end cover 18, the rear bearing inner end cover 16, the rear bearing outer end cover 17 and the coiling reel 1-1, the uncoiling reel 1-2.

[0029] The water cooling device 3 includes a water tank 3-2 and a fan 3-1. The water cooling device 3 is installed on a water tank mounting plate 7 and supported on the box body 2. The outlet of the water tank 3-2 is connected to a cooling water channel 11-2 inside the housing 11-1 of the permanent magnet motor assembly 11 through a pipeline 3-4. The water in the pipeline 3-4 is cooled by the fan 3-1 and then connected to the inlet of the water tank 3-2. A water pump 3-3 and a pressure gauge 3-5 are provided on the pipeline 3-4.

[0030] A linear guide 8 is installed on the base 6. The box body 2 is slidably connected to the linear guide 8. The screw of the screw device 9 is connected to the rear side of the box body 2. The fixed block of the screw device 9 is installed together with the base 6. The screw is threadedly connected to the fixed block. The screw device 9 can control the box body 2 and the coiling reel 1-1 or the box body 2 and the uncoiling reel 1-2 to move horizontally on the base 6 synchronously, so that the coiling reel 1-1 and the uncoiling reel 1-2 are respectively aligned with the steel coils to be coiled and uncoiled.

[0031] An oil cylinder limiting device 10 for limiting the rotation oil cylinder assembly 21 of the coiling reel 1-1 and the uncoiling reel 1-2 to prevent its yaw is installed on the base 6. One end of the oil cylinder limiting bracket 10-1 is threadedly connected to the cylinder barrel end of the rotation oil cylinder assembly 21, and the other end is slidably connected to the U-shaped groove at one end of the oil cylinder limiting device 10. The other end of the oil cylinder limiting device 10 is installed on the base 6 through the fixing nut of the screw device 9.

[0032] The permanent magnet motor assembly 11 of the present invention is tightly connected to the winding reel 1-1 and the unwinding reel 1-2 by using a shrink disc 12, driving the winding reel 1-1 and the unwinding reel 1-2 of the winder and the unwinder to perform rotational motion, reducing the complex transmission mechanism of the gear reduction box in the original structures of the unwinder and the winder. It not only reduces the overall weight of the unwinder and the winder, but also effectively improves the transmission efficiency of the equipment and reduces the maintenance and operation costs.

Claims

1. An uncoiler and a recoiler directly driven by a permanent magnet motor, characterized in that: The left part of the reel (1) is the reel functional part that can realize the expansion and contraction actions of the reel (1) during winding and unwinding. The right part has the same structure and is installed inside the box body (2), forming a driving assembly with the permanent magnet motor assembly (11). On both sides of the upper box body (2-1) and the lower box body (2-2) of the box body (2), there are bearing seat structures. The right part of the reel (1) passes through the front bearing (13) and the rear bearing (15) installed in the bearing seats and is fixed in the middle of the upper box body (2-1) and the lower box body (2-2). The rotor of the permanent magnet motor assembly (11) is tightly connected to the reel (1) through the expansion sleeves (12) on both sides thereof. The permanent magnet motor assembly (11) drives the reel (1) to rotate, and the outer shell (11-1) of the stator of the permanent magnet motor assembly (11) is fixed to the lower box body (2-2) by screws. The box body (2) is slidably connected to the base (6), and a water cooling device (3) for cooling and temperature reduction of the permanent magnet motor assembly (11) is provided on one side of the box body (2).

2. The pay-off reel and take-up reel directly driven by a permanent magnet motor according to claim 1, wherein: The reel (1) includes a winding reel (1-1) for winding steel coils and an unwinding reel (1-2) for unwinding steel coils. The right parts of the winding reel (1-1) and the unwinding reel (1-2) have the same structure. The left reel functional part includes the winding reel expansion and contraction structure of the winding reel (1-1) and the unwinding reel expansion and contraction structure of the unwinding reel (1-2).

3. The uncoiler and recoiler directly driven by a permanent magnet motor according to claim 2, characterized in that: A pull rod one (1-1-1) is arranged inside the winding reel (1-1). The pull rod one (1-1-1) is connected to the piston rod end of the rotary oil cylinder assembly (21) installed at the tail end of the winding reel (1-1). The winding reel expansion and contraction structure at the left end of the winding reel (1-1) consists of an inclined wedge (1-1-2), an inclined wedge block (1-1-3), and a winding reel sector plate (1-1-6). The multiple inclined surfaces on the outer circle of the inclined wedge (1-1-2) are pressed against the multiple inclined surfaces on the inner circle of the inclined wedge block (1-1-3). The inclined wedge (1-1-2) and the inclined wedge block (1-1-3) are evenly distributed along the circumference of the winding reel (1-1). A clamping block (1-1-5) is installed at the left end of the pull rod one (1-1-1), and the clamping block (1-1-5) is clamped into the card slot (1-1-4) of the inclined wedge (1-1-2). The winding reel sector plate (1-1-6) is pressed against the two inclined surfaces on both sides of the inclined wedge block (1-1-3) installed between the winding reel sector plates (1-1-6). Multiple winding reel sector plates (1-1-6) are evenly distributed outside the winding reel (1-1) through spring screws (1-1-7). One end of one winding reel sector plate (1-1-6) is provided with a tiger mouth (1-1-9). The inner convex arc surface of the winding reel sector plate (1-1-6) is adapted to the concave arc surface of the winding reel (1-1). The outer edges of the winding reel sector plates (1-1-6) form a circular surface. After the rotary oil cylinder assembly (21) is filled with oil, the piston rod pushes the pull rod one (1-1-1) to drive the inclined wedge (1-1-2) to move back and forth, causing the inclined wedge block (1-1-3) to move radially, driving the winding reel sector plate (1-1-6) to perform expansion and contraction actions, and driving the tiger mouth (1-1-8) to shrink or expand.

4. The uncoiler and recoiler directly driven by a permanent magnet motor according to claim 2, characterized in that: A pull rod two (1-2-1) is arranged inside the uncoiling reel (1-2). The pull rod two (1-2-1) is connected with the piston rod end of a rotary oil cylinder assembly (21) installed at the tail end of the uncoiling reel (1-2). The uncoiling reel expansion and contraction structure at the left end of the uncoiling reel (1-2) consists of an expansion and contraction sliding sleeve (1-2-2) and an uncoiling reel sector plate (1-2-3). Multiple inclined surfaces on the outer circle of the expansion and contraction sliding sleeve (1-2-2) are pressed against multiple inclined surfaces on the inner circle of the uncoiling reel sector plate (1-2-3). The pull rod two (1-2-1) is connected with the expansion and contraction sliding sleeve (1-2-2) through a key (1-2-4). A shaft shoulder (1-2-5) is arranged on the uncoiling reel (1-2). A clamping groove at one end of the uncoiling reel sector plate (1-2-3) is clamped on the shaft shoulder (1-2-5), enabling the uncoiling reel sector plate (1-2-3) to move radially without axial movement. A plurality of the expansion and contraction sliding sleeves (1-2-2) and the uncoiling reel sector plates (1-2-3) are evenly distributed along the circumference of the uncoiling reel (1-2). The outer edges of the uncoiling reel sector plates (1-2-3) form a circular surface. After the rotary oil cylinder assembly (21) is filled with oil, it pushes the pull rod two (1-2-1) to drive the expansion and contraction sliding sleeve (1-2-2) to move back and forth, causing the uncoiling reel sector plate (1-2-3) to move radially, and the uncoiling reel sector plate (1-2-3) performs an expansion and contraction action.

5. The uncoiler and recoiler directly driven by a permanent magnet motor according to claim 1, characterized in that: A brake disc (5) is installed on the right side of the winding reel (1-1) and the uncoiling reel (1-2). The brake disc (5) is fixed on the winding reel (1-1) and the uncoiling reel (1-2) through a flange plate (22) and a connecting piece (23). The brake disc (5) is clamped in the clamping groove of the flange plate (22). The brake disc (5) controls the operation of the winding reel (1-1) and the uncoiling reel (1-2) through a brake (4). The brake (4) is fixed on a base (6).

6. The uncoiler and recoiler directly driven by a permanent magnet motor according to claim 1, characterized in that: The front end bearing (13) and the rear end bearing (15) are positioned by the stepped shaft shoulders of the winding reel (1-1) and the uncoiling reel (1-2). The inner side of the front end bearing (13) is fixed with a locking nut (14). The front end bearing (13) is sealed on the front side of the box body (2) through a front bearing inner end cover (19) and a front bearing outer end cover (18). The rear end bearing (15) is sealed at the rear end of the box body (2) through a rear bearing inner end cover (16) and a rear bearing outer end cover (17). Felt pads (20) are arranged between the front bearing inner end cover (19), the front bearing outer end cover (18), the rear bearing inner end cover (16), the rear bearing outer end cover (17) and the winding reel (1-1), the uncoiling reel (1-2).

7. The uncoiler and recoiler directly driven by a permanent magnet motor according to claim 1, characterized in that: The water cooling device (3) includes a water tank (3-2) and a fan (3-1). The water cooling device (3) is installed on the water tank mounting plate (7) and supported on the box body (2). The outlet of the water tank (3-2) is connected to the cooling water channel (11-2) inside the housing (11-1) of the permanent magnet motor assembly (11) through a pipeline (3-4). The water in the pipeline (3-4) is cooled by the fan (3-1) and then connected to the inlet of the water tank (3-2). A water pump (3-3) and a pressure gauge (3-5) are provided on the pipeline (3-4).

8. The uncoiler and recoiler directly driven by a permanent magnet motor according to claim 1, characterized in that: A linear guide rail (8) is installed on the base (6). The box body (2) is slidably connected to the linear guide rail (8). The screw rod of the screw rod device (9) for controlling the horizontal movement of the box body (2) is connected to the right side of the box body (2). The fixed block of the screw rod device (9) is installed together with the base (6). The screw rod is threadedly connected to the fixed block. The screw rod device (9) controls the box body (2), the winding reel (1-1), and the unwinding reel (1-2) to horizontally move synchronously on the base (6).

9. The uncoiler and recoiler directly driven by a permanent magnet motor according to claim 1, characterized in that: An oil cylinder limiting device (10) for limiting the rotation oil cylinder assembly (21) of the winding reel (1-1) and the unwinding reel (1-2) and preventing it from swaying is installed on the base (6). One end of the oil cylinder limiting bracket (10-1) is threadedly connected to the cylinder barrel end of the rotation oil cylinder assembly (21), and the other end is slidably connected to the U-shaped groove at one end of the oil cylinder limiting device (10). The other end of the oil cylinder limiting device (10) is installed on the base (6) through the fixing nut of the screw rod device (9).

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