Soft metal strip winding tension system

Abstract

A winding tension system for soft metal strip, wherein a column and a ball screw mechanism are fixed on a base, a guide rail is arranged on the column, a slide plate is connected to the guide rail, a transition beam is connected to the left side of the slide plate, a bracket is connected to the right side, and the transition beam is connected to the ball screw mechanism; an air bag type pressure plate mechanism and a leveling machine are installed on the bracket, a pressure roller mechanism, a reversing roller and a material dividing roller mechanism are installed between the support beams connected to the outer end of the transition beam; a distance sensor is installed on the support beam through a sensor bracket, and the metal strip is wound on a winding drum after passing through the air bag type pressure plate mechanism, the leveling machine, the pressure roller mechanism, the reversing roller and the material dividing roller mechanism in sequence; the distance sensor controls a transmission device according to a displacement signal of a continuously increasing winding diameter detected, and the transmission device drives the ball screw mechanism to drive the slide plate to gradually rise as the winding diameter increases, so that the wrap angle α between the metal strip passing through the reversing roller and the wound material roll is always consistent, the winding tension is stable, and the winding precision is high.

Description

Technical Field

[0001] The invention belongs to the technical field of metal strip shearing equipment, and in particular relates to a soft metal strip winding tension system. Background Art

[0002] Soft metal strip is a key material for non-ferrous metal applications in the electronics industry, solar photovoltaic industry, and new energy vehicle industry. With the continuous upgrading of the above industries, the quality and supply status of soft metal strips are increasingly required. The soft metal strip shearing production line is mainly composed of an unwinder, a tractor, a slitting machine, a tension system, and a winder. It is used to complete the longitudinal slitting of soft metal strips, and rewind the slit finished strips into coils at a certain tension to obtain high-quality soft metal strip finished coils of different widths and specifications, meeting the high-quality requirements of downstream industries for soft metal strips.

[0003] It is well known to those skilled in the art that appropriate tension must be applied to the finished metal strip before winding. Only appropriate tension can ensure the winding quality. Soft metal strips place higher demands on the winding tension system. The existing pressure plate tension system can no longer meet the tension control needs of winding soft metal strips. Summary of the invention

[0004] The technical problem solved by the present invention is to provide a soft metal strip winding tension system, which gradually increases with the continuous increase of the winding diameter, so that the winding angle of the soft metal strip is always consistent, thereby ensuring the stability of the winding tension and improving the winding accuracy.

[0005] The technical solution of the present invention is as follows: a soft metal strip winding tension system comprises a base, a column and a ball screw mechanism are fixed on the base, a guide rail is vertically arranged on the right end face of the column, and the ball screw mechanism is driven by a transmission device arranged on the top of the column; a slide plate is connected to the guide rail, a transition beam is fixedly connected to the left side of the slide plate, and a bracket is fixedly connected to the right side, and the transition beam is connected to the ball screw mechanism to drive the slide plate to rise and fall along the guide rail; an airbag pressure plate mechanism and a leveling machine are installed on the bracket, and the leveling machine is located between the slide plate and the airbag pressure plate mechanism; a pair of support beams are fixedly connected to the outer end of the transition beam, and a pressure roller mechanism, a change roller mechanism and a change roller mechanism are installed between the support beams. The invention relates to a reversing roller and a dividing roller mechanism, and the reversing roller is arranged between the pressure roller mechanism and the dividing roller mechanism; a sensor bracket is fixed on the support beam, and a distance sensor is installed on the sensor bracket, and the signal output end of the distance sensor is electrically connected to the control end of the transmission device; the metal strip passes through the airbag pressure plate mechanism, the leveling machine, the pressure roller mechanism, the reversing roller and the dividing roller mechanism in sequence and is then wound on the winding drum; the distance sensor controls the operation of the transmission device according to the displacement signal of the increasing winding diameter detected, and then drives the slide plate to gradually rise with the increase of the winding diameter through the ball screw mechanism, so that the wrap angle α between the metal strip passing through the reversing roller and the wound material roll is always kept consistent.

[0006] The columns and ball screw mechanisms are a pair and are symmetrically arranged. A pair of guide rails are symmetrically arranged on the right end faces of the pair of columns. The slide plate is symmetrically connected to the pair of guide rails. The transmission device synchronously drives a pair of ball screw mechanisms to rotate. The transition beam is symmetrically connected to the pair of ball screw mechanisms.

[0007] The airbag pressure plate mechanism includes a lower seat, an upper seat, a first material distributor, a second material distributor, and a third material distributor; the lower seat is fixed on the bracket, and an airbag is installed on the upper end surface of the lower seat; the upper seat is hinged to the lower seat on one side by a pin shaft, and the other side is locked by a first locking device; a square box is installed in the inner cavity of the upper seat, and an oil cylinder is installed on the top of the upper seat, and the square box is connected to the piston end of the oil cylinder and is located directly above the airbag, the first material distributor and the third material distributor are respectively located on the left and right sides of the airbag, and the second material distributor is located between the airbag and the first material distributor; the metal strip passes through the first material distributor and the second material distributor in turn, passes through the square box and the opposite surface of the airbag, and then passes through the third material distributor to enter the seven-roller leveling machine, and the oil cylinder drives the square box to move downward to squeeze the airbag to provide tension for the metal strip.

[0008] The leveling machine is a seven-roller leveling machine, comprising an upper frame, a lower frame, an upper straightening roller, a lower straightening roller, a lower roller seat, an upper roller seat and a first lifting mechanism; the lower frame is fixed on the bracket, the first lifting mechanism is arranged in the lower frame and fixed on the bracket, and the lower roller seat is fixed above the first lifting mechanism; the upper frame is hinged to one side of the lower frame, and the other side is locked by a second locking device; the upper roller seat is symmetrically fixed in the upper frame, and three upper straightening rollers are installed side by side below the upper roller seat, and four lower straightening rollers are installed side by side above the lower roller seat; the metal strip passes between the upper straightening roller and the lower straightening roller, and the upward displacement of the lower straightening roller is adjusted by the first lifting mechanism, thereby adjusting the overlap of the upper straightening roller and the lower straightening roller, leveling the metal strip and providing tension for the metal strip.

[0009] The pressing roller mechanism includes a left wall panel and a right wall panel fixed on a pair of support beams, a lower pressing roller is installed between the left wall panel and the right wall panel, a left slider and a right slider are symmetrically installed on the left wall panel and the right wall panel, an upper pressing roller is installed between the left slider and the right slider, and the upper pressing roller is located directly above the lower pressing roller; the upper ends of the left wall panel and the right wall panel are respectively equipped with a second lifting mechanism and a third lifting mechanism, and the second lifting mechanism and the third lifting mechanism are respectively connected to the left slider and the right slider; the metal strip passes between the upper pressing roller and the lower pressing roller, and the upper pressing roller is synchronously driven downward by the second lifting mechanism and the third lifting mechanism to clamp the metal strip, so as to level the metal strip again and provide tension for the metal strip, and at the same time, the upper pressing roller and the lower pressing roller are driven to rotate as the metal strip moves.

[0010] The material dividing roller mechanism includes a left guide rail, a right guide rail, a fourth lifting mechanism and a fifth lifting mechanism fixed on a pair of support beams, and the fourth lifting mechanism and the fifth lifting mechanism are respectively located above the left guide rail and the right guide rail; the left guide rail and the right guide rail are symmetrically provided with a left slider and a right slider, the fourth lifting mechanism and the fifth lifting mechanism are respectively connected to the left slider and the right slider, a material dividing roller shaft is provided between the left slider and the right slider, and the material dividing roller shaft is synchronously driven to rise and fall by the fourth lifting mechanism and the fifth lifting mechanism; a material dividing roller is provided on the material dividing roller shaft, and a material dividing spacer ring is provided on the material dividing roller.

[0011] The distance sensor is connected to the sensor bracket via an angle adjustment bracket, and the posture of the distance sensor is adjusted via the angle adjustment bracket.

[0012] The transmission device includes an AC variable frequency motor, a first reducer, a second reducer, and a third reducer; the main shaft of the AC variable frequency motor is connected to the input shaft of the first reducer, the two output shafts of the first reducer are respectively connected to the input shafts of the second reducer and the third reducer, and the output shafts of the second reducer and the third reducer are respectively connected to a pair of ball screw mechanisms, and then the pair of ball screw mechanisms are driven to rotate synchronously by the AC variable frequency motor.

[0013] A cylinder is provided on one side of the hinge between the upper seat and the lower seat, and the two ends of the cylinder are respectively hinged to the top of the upper seat and the bottom of the lower seat. When the first locking device is released, the upper seat is opened upward around the pin axis through the retraction of the cylinder.

[0014] A pair of gas springs are symmetrically arranged on the front and rear sides of the upper frame and the lower frame, and the two ends of the gas springs are respectively hinged to the upper frame and the lower frame. When the second locking device is released, the upper frame is opened upward around the hinge axis through the pair of gas springs.

[0015] The present invention has the following advantages and effects:

[0016] 1. The present invention gradually increases with the continuous increase of the winding diameter, so that the winding angle of the soft metal strip is always kept consistent, thereby ensuring the stability of the winding tension and improving the winding accuracy.

[0017] 2. The present invention applies tension to the soft metal strip through an airbag pressure plate mechanism, and adjusts the tension by adjusting the airbag pressure, thereby meeting the sensitive requirements of the soft metal strip for tension, ensuring that the applied tension is appropriate and stable, and meeting the strict requirements of the soft metal strip for tension during winding.

[0018] 3. The present invention can effectively repair edge defects (such as burrs, wavy edges, etc.) of soft metal strips after slitting through a seven-roller leveling machine and provide tension for the strips, so that the winding tension remains stable, further improving the strip quality and winding accuracy.

[0019] 4. The present invention can repair the edge defects of the metal strip (such as burrs, wavy edges, etc.) again through the pressure roller mechanism and provide tension for the strip, so that the winding tension remains stable, further improving the strip quality and winding accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a structural front view of the present invention.

[0021] Figure 2 It is a schematic diagram of the layout of the column and ball screw mechanism of the present invention,

[0022] Figure 3 This is a structural front view of the seven-roller leveling machine of the present invention.

[0023] Figure 4 for Figure 3 AA section view,

[0024] Figure 5 This is a structural front view of the airbag type pressure plate mechanism of the present invention.

[0025] Figure 6 for Figure 5 BB cross-sectional view,

[0026] Figure 7 This is a structural front view of the pressing roller mechanism of the present invention.

[0027] Figure 8 for Figure 7 CC cross-sectional view,

[0028] Fig. 9 This is a structural front view of the material distribution roller mechanism of the present invention.

[0029] Fig.10 for Fig. 9 The left view of

[0030] Fig.11 It is a schematic diagram of the structure of the reversing roller of the present invention,

[0031] Fig.12 It is a schematic diagram of the installation structure of the distance sensor of the present invention. Specific implementation methods

[0032] The following is combined with Figure 1-12 The present invention is described in detail with specific embodiments.

[0033] A soft metal strip winding tension system comprises a base 1, on which a column 2 and a ball screw mechanism 4 are fixed, a guide rail 3 is vertically arranged on the right end face of the column 2, and the ball screw mechanism 4 is driven by a transmission device 5 arranged on the top of the column 2; a slide plate 6 is connected to the guide rail 3, a transition beam 7 is fixedly connected to the left side of the slide plate 6, and a bracket 9 is fixedly connected to the right side, and the transition beam 7 is connected to the ball screw mechanism 4 to drive the slide plate 6 to rise and fall along the guide rail 3; an airbag pressure plate mechanism 8 and a seven-roller leveling machine 10 are installed on the bracket 9, and the seven-roller leveling machine 10 is located between the slide plate 6 and the airbag pressure plate mechanism 8; a pair of support beams 11 are fixedly connected to the outer end of the transition beam 7, and a pressure roller mechanism 12, a reversing roller 13 and a material dividing roller mechanism are installed between the support beams 11 14, and the reversing roller 13 is arranged between the pressure roller mechanism 12 and the dividing roller mechanism 14; a sensor bracket 15 is fixed on the support beam 11, and a distance sensor 18 is installed on the sensor bracket 15, and the signal output end of the distance sensor 18 is electrically connected to the control end of the transmission device 5; the metal strip 16 passes through the airbag pressure plate mechanism 8, the seven-roller leveling machine 10, the pressure roller mechanism 12, the reversing roller 13 and the dividing roller mechanism 14 in sequence and is wound on the winding drum 17; the distance sensor 18 controls the transmission device 5 to work according to the displacement signal of the increasing winding diameter detected, and then drives the slide plate 6 to gradually rise with the increase of the winding diameter through the ball screw mechanism 4, so that the wrap angle α between the metal strip 16 passing through the reversing roller 13 and the wound material roll is always kept consistent.

[0034] Furthermore, the distance sensor 18 is connected to the sensor bracket 15 through an angle adjustment bracket 19, and the posture of the distance sensor 18 is adjusted through the angle adjustment bracket 19, which can be specifically adjusted through a bolt 20, so that the detection signal emitted by the distance sensor 18 is as perpendicular as possible to the metal strip 16. The distance sensor 18 can be an ultrasonic distance sensor, an infrared distance sensor, or a laser distance sensor.

[0035] Preferably, the columns 2 and the ball screw mechanisms 4 are a pair and are symmetrically arranged, a pair of guide rails 3 are symmetrically arranged on the right end faces of the pair of columns 2, the slide plate 6 is symmetrically connected to the pair of guide rails 3, the transmission device 5 synchronously drives the pair of ball screw mechanisms 4 to rotate, and the transition beam 7 is symmetrically connected to the pair of ball screw mechanisms 4.

[0036] In one embodiment, when the non-ferrous metal strip (copper) is coiled, the wrap angle α is 13-19°;

[0037] In one embodiment, when the non-ferrous metal strip (aluminum) is coiled, the wrap angle α is 14-21°;

[0038] In one embodiment, the airbag pressure plate mechanism 8 includes a lower seat 8-1, an upper seat 8-2, a first distributor 8-3, a second distributor 8-4, and a third distributor 8-5; the lower seat 8-1 is fixed on the bracket 9, and the upper end surface of the lower seat 8-1 is equipped with an airbag 8-6; the upper seat 8-2 is hinged to the lower seat 8-1 on one side by a pin shaft 8-11, and the other side is locked by a first locking device 8-7; a square box 8-8 is installed in the inner cavity of the upper seat 8-2, and an oil cylinder 8-9 is installed on the top of the upper seat 8-2, and the square box 8-8 and the oil cylinder 8 -9's piston end is connected to and located just above the airbag 8-6, the first distributor 8-3 and the third distributor 8-5 are respectively located on the left and right sides of the airbag 8-6, and the second distributor 8-4 is located between the airbag 8-6 and the first distributor 8-3; the metal strip 16 passes through the first distributor 8-3 and the second distributor 8-4 in sequence, passes through the space between the square box 8-8 and the opposite surface of the airbag 8-6, and then passes through the third distributor 8-5 to enter the seven-roller leveling machine 10, and the square box 8-8 is driven downward by the oil cylinder 8-9 to squeeze the airbag 8-6 to provide tension for the metal strip 16. Furthermore, a cylinder 8-10 is provided on one side of the hinge between the upper seat 8-2 and the lower seat 8-1, and the two ends of the cylinder 8-10 are respectively hinged at the top of the upper seat 8-2 and the bottom of the lower seat 8-1. When the first locking device 8-7 is unlocked, the upper seat 8-2 is opened upward around the pin 8-11 by the retraction of the cylinder 8-10, so that the metal strip 16 can pass through the opposite surface of the square box 8-8 and the airbag 8-6. The first distributor 8-3, the second distributor 8-4, and the third distributor 8-5 are all provided with distributor rollers, and the metal strip 16 is separated by the distributor rollers, and the specific structure of the distributor rollers is basically the same as the structure of the distributor rollers 14-10 described later.

[0039] In one embodiment, the seven-roller leveling machine 10 includes an upper frame 10-1, a lower frame 10-2, an upper straightening roller 10-3, a lower straightening roller 10-4, a lower roller seat 10-5, an upper roller seat 10-6 and a first lifting mechanism 10-7; the lower frame 10-2 is fixed on the bracket 9, the first lifting mechanism 10-7 is arranged in the lower frame 10-2 and fixed on the bracket 9, and the lower roller seat 10-5 is fixed above the first lifting mechanism 10-7; the upper frame 10-1 is hinged to one side of the lower frame 10-2, and the other side is hinged by a second locking mechanism. The device 10-8 is locked; the upper roller seat 10-6 is symmetrically fixed in the upper frame 10-1, and three upper straightening rollers 10-3 are installed side by side below the upper roller seat 10-6, and four lower straightening rollers 10-4 are installed side by side above the lower roller seat 10-5; the metal strip 16 passes between the upper straightening roller 10-3 and the lower straightening roller 10-4, and the upward displacement of the lower straightening roller 10-4 is adjusted by the first lifting mechanism 10-7, thereby adjusting the overlap between the upper straightening roller 10-3 and the lower straightening roller 10-4, thereby leveling the metal strip 16 and providing tension for the metal strip 16. Furthermore, a pair of gas springs 10-9 are symmetrically provided on the front and rear sides of the upper frame 10-1 and the lower frame 10-2, and the two ends of the gas spring 10-9 are respectively hinged on the upper frame 10-1 and the lower frame 10-2. When the second locking device 10-8 is unlocked, the upper frame 10-1 is opened upward around the hinge shaft 10-11 through the pair of gas springs 10-9, so as to facilitate the passage of the metal strip 16 and the cleaning and maintenance of the upper straightening roller 10-3 and the lower straightening roller 10-4; the first lifting mechanism 10-7 is driven by the first hand wheel 10-10 connected thereto.

[0040] In one embodiment, the pressing roller mechanism 12 includes a left wall panel 12-1 and a right wall panel 12-2 fixed on a pair of support beams 11, a lower pressing roller 12-3 is installed between the left wall panel 12-1 and the right wall panel 12-2, a left slider 12-4 and a right slider 12-5 are symmetrically installed on the left wall panel 12-1 and the right wall panel 12-2, an upper pressing roller 12-6 is installed between the left slider 12-4 and the right slider 12-5, and the upper pressing roller 12-6 is located directly above the lower pressing roller 12-3; the upper ends of the left wall panel 12-1 and the right wall panel 12-2 are respectively equipped with a second lifting roller 12-3. The second lifting mechanism 12-7 and the third lifting mechanism 12-8 are connected to the left slider 12-4 and the right slider 12-5 respectively; the metal strip 16 passes between the upper pressure roller 12-6 and the lower pressure roller 12-3, and the upper pressure roller 12-6 is synchronously driven downward by the second lifting mechanism 12-7 and the third lifting mechanism 12-8 to clamp the metal strip 16, level the metal strip 16 and provide tension for the metal strip 16, and at the same time, the upper pressure roller 12-6 and the lower pressure roller 12-3 are driven to rotate with the movement of the metal strip 16. Further, the second lifting mechanism 12-7 and the third lifting mechanism 12-8 are connected by a synchronous shaft 12-9, and the second lifting mechanism 12-7 and the third lifting mechanism 12-8 are driven by the second hand wheel 12-10 and the lifting motor 12-11 respectively, and the lifting motor 12-11 is used for fast lifting and the second hand wheel 12-10 is used for fine adjustment.

[0041] In one embodiment, the material distribution roller mechanism 14 includes a left guide rail 14-1, a right guide rail 14-2, a fourth lifting mechanism 14-5 and a fifth lifting mechanism 14-6 fixed on a pair of support beams 11, and the fourth lifting mechanism 14-5 and the fifth lifting mechanism 14-6 are respectively located above the left guide rail 14-1 and the right guide rail 14-2; the left guide rail 14-1 and the right guide rail 14-2 are symmetrically provided with a left slider 14-3 and a right slider 14-4, the fourth lifting mechanism 14-5 and the fifth lifting mechanism 14-6 are respectively connected to the left slider 14-3 and the right slider 14-4, and a material distribution roller shaft 14-11 is installed between the left slider 14-3 and the right slider 14-4, and the material distribution roller shaft 14-11 is synchronously driven to rise and fall by the fourth lifting mechanism 14-5 and the fifth lifting mechanism 14-6. The material dividing roller shaft 14-11 is provided with a material dividing roller 14-10, and the material dividing roller 14-10 is provided with a material dividing spacer ring 14-12. Further, the left slider 14-3 is hinged to one end of the material dividing roller shaft 14-11 through a hinge 14-13, and the right slider 14-4 is detachably connected to the other end of the material dividing roller shaft 14-11 through a locking block 14-14. When replacing or adjusting the material dividing spacer ring 14-12, the locking block 14-14 is manually loosened to rotate the material dividing roller shaft 14-11 around the hinge 14-13. Further, the fourth lifting mechanism 14-5 and the fifth lifting mechanism 14-6 are connected through a connecting shaft 14-7 to realize synchronous lifting, and the fourth lifting mechanism 14-5 and the fifth lifting mechanism 14-6 are respectively driven by the third hand wheel 14-8 or the third hand wheel 14-9 connected thereto.

[0042] In one embodiment, the transmission device 5 includes an AC variable frequency motor 5-1, a first reducer 5-2, a second reducer 5-3, and a third reducer 5-4; the main shaft of the AC variable frequency motor 5-1 is connected to the input shaft of the first reducer 5-2, and the two output shafts of the first reducer 5-2 are respectively connected to the input shafts of the second reducer 5-3 and the third reducer 5-4, and the output shafts of the second reducer 5-3 and the third reducer 5-4 are respectively connected to a pair of ball screw mechanisms 4, and then the pair of ball screw mechanisms 4 are driven to rotate synchronously through the AC variable frequency motor 5-1.

[0043] In one embodiment, the reversing roller 13 is installed between a pair of support beams 11 via a pair of bearings.

[0044] The above embodiments are only preferred embodiments of the present invention and are not intended to limit the scope of implementation of the present invention. Therefore, all equivalent changes made to the contents described in the claims of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A soft metal strip winding tension system, comprising a base (1), characterized in that: A column (2) and a ball screw mechanism (4) are fixed on the base (1); a guide rail (3) is vertically arranged on the right end surface of the column (2); the ball screw mechanism (4) is driven by a transmission device (5) arranged on the top of the column (2); a slide plate (6) is connected to the guide rail (3); a transition beam (7) is fixedly connected to the left side of the slide plate (6) and a bracket (9) is fixedly connected to the right side; the transition beam (7) is connected to the ball screw mechanism (4) to drive the slide plate (6) to rise and fall along the guide rail (3); an air bag type pressure plate mechanism (8) and a leveling machine (10) are installed on the bracket (9), and the leveling machine (10) is located between the slide plate (6) and the air bag type pressure plate mechanism (8); a pair of support beams (11) are fixedly connected to the outer ends of the transition beams (7); a pressure roller mechanism (12), a reversing roller (13) and a material distribution roller mechanism (14) are installed between the support beams (11); The reversing roller (13) is arranged between the pressing roller mechanism (12) and the material dividing roller mechanism (14); a sensor bracket (15) is fixed on the support beam (11), and a distance sensor (18) is installed on the sensor bracket (15), and a signal output end of the distance sensor (18) is electrically connected to a control end of the transmission device (5); the metal strip (16) passes through the airbag pressure plate mechanism (8), the leveling machine (10), the pressing roller mechanism (12), the reversing roller (13) and the material dividing roller mechanism (14) in sequence, and is then wound on the winding drum (17); the distance sensor (18) controls the transmission device (5) to work according to the displacement signal of the increasing winding diameter detected, and then drives the slide plate (6) to gradually rise along with the increase of the winding diameter through the ball screw mechanism (4), so that the wrap angle α between the metal strip (16) passing through the reversing roller (13) and the wound material roll is always consistent; Correspondingly, the airbag pressure plate mechanism (8) comprises a lower seat (8-1), an upper seat (8-2), a first distributor (8-3), a second distributor (8-4), and a third distributor (8-5); the lower seat (8-1) is fixed on the bracket (9), and an airbag (8-6) is installed on the upper end surface of the lower seat (8-1); one side of the upper seat (8-2) and the lower seat (8-1) are hinged by a pin shaft (8-11), and the other side is locked by a first locking device (8-7); a square box (8-8) is installed in the inner cavity of the upper seat (8-2), and an oil cylinder (8-9) is installed on the top of the upper seat (8-2), and the square box (8-8) is connected to the piston end of the oil cylinder (8-9) and is located directly above the airbag (8-6); the first distributor (8-3) and the third distributor (8-5) are respectively located on the left and right sides of the airbag (8-6), and the third distributor (8-5) is located on the left and right sides of the airbag (8-6). The second distributor (8-4) is located between the airbag (8-6) and the first distributor (8-3); the metal strip (16) passes through the first distributor (8-3) and the second distributor (8-4) in sequence, passes through the space between the square box (8-8) and the opposite surface of the airbag (8-6), and then passes through the third distributor (8-5) to enter the seven-roller leveling machine (10), and the square box (8-8) is driven downward by the oil cylinder (8-9) to squeeze the airbag (8- 6) providing tension for the metal strip (16); a cylinder (8-10) is provided on one side of the hinge between the upper seat (8-2) and the lower seat (8-1), and the two ends of the cylinder (8-10) are respectively hinged to the top of the upper seat (8-2) and the bottom of the lower seat (8-1), and when the first locking device (8-7) is unlocked, the cylinder (8-10) retracts to allow the upper seat (8-2) to open upward around the pin shaft (8-11); Correspondingly, the leveling machine (10) is a seven-roller leveling machine, comprising an upper frame (10-1), a lower frame (10-2), an upper straightening roller (10-3), a lower straightening roller (10-4), a lower roller seat (10-5), an upper roller seat (10-6) and a first lifting mechanism (10-7); the lower frame (10-2) is fixed on a bracket (9), and the first lifting mechanism (10-7) is arranged in the lower frame (10-2). The lower roller seat (10-5) is fixed on the bracket (9); the upper frame (10-1) is hinged with the lower frame (10-2) on one side, and the other side is locked by a second locking device (10-8); the upper roller seat (10-6) is symmetrically fixed in the upper frame (10-1), and three upper straightening rollers (10-3) are arranged side by side below the upper roller seat (10-6) , four lower straightening rollers (10-4) are arranged side by side above the lower roller seat (10-5); the metal strip (16) passes between the upper straightening roller (10-3) and the lower straightening roller (10-4), and the upward displacement of the lower straightening roller (10-4) is adjusted by the first lifting mechanism (10-7), thereby adjusting the overlap between the upper straightening roller (10-3) and the lower straightening roller (10-4), leveling the metal strip (16) and providing the metal strip (16) with a uniform surface. 6) provides tension; a pair of gas springs (10-9) are symmetrically provided on the front and rear sides of the upper frame (10-1) and the lower frame (10-2), and the two ends of the gas spring (10-9) are respectively hinged to the upper frame (10-1) and the lower frame (10-2); when the second locking device (10-8) is unlocked, the pair of gas springs (10-9) are used to open the upper frame (10-1) upward around the hinge shaft (10-11).

2. The soft metal strip winding tension system according to claim 1, characterized in that: The columns (2) and ball screw mechanisms (4) are a pair and are symmetrically arranged; a pair of guide rails (3) are symmetrically arranged on the right end faces of the pair of columns (2); the slide plate (6) is symmetrically connected to the pair of guide rails (3); the transmission device (5) synchronously drives the pair of ball screw mechanisms (4) to rotate; and the transition beam (7) is symmetrically connected to the pair of ball screw mechanisms (4).

3. The soft metal strip winding tension system according to claim 1 or 2, characterized in that: The pressing roller mechanism (12) comprises a left wall panel (12-1) and a right wall panel (12-2) fixed on a pair of support beams (11); a lower pressing roller (12-3) is arranged between the left wall panel (12-1) and the right wall panel (12-2); a left slider (12-4) and a right slider (12-5) are symmetrically arranged on the left wall panel (12-1) and the right wall panel (12-2); an upper pressing roller (12-6) is arranged between the left slider (12-4) and the right slider (12-5), and the upper pressing roller (12-6) is located directly above the lower pressing roller (12-3); a second lifting mechanism (12-3) is respectively arranged at the upper ends of the left wall panel (12-1) and the right wall panel (12-2); 2-7) and a third lifting mechanism (12-8), wherein the second lifting mechanism (12-7) and the third lifting mechanism (12-8) are connected to the left slider (12-4) and the right slider (12-5) respectively; the metal strip (16) passes between the upper pressing roller (12-6) and the lower pressing roller (12-3), and the upper pressing roller (12-6) is synchronously driven downward by the second lifting mechanism (12-7) and the third lifting mechanism (12-8) to clamp the metal strip (16), level the metal strip (16) again and provide tension for the metal strip (16), and at the same time, the upper pressing roller (12-6) and the lower pressing roller (12-3) are driven to rotate as the metal strip (16) moves.

4. The soft metal strip winding tension system according to claim 1 or 2, characterized in that: The material distribution roller mechanism (14) comprises a left guide rail (14-1), a right guide rail (14-2), a fourth lifting mechanism (14-5) and a fifth lifting mechanism (14-6) fixed on a pair of support beams (11), and the fourth lifting mechanism (14-5) and the fifth lifting mechanism (14-6) are respectively located above the left guide rail (14-1) and the right guide rail (14-2); the left slide block (14-3) and the right slide block (14-4) are symmetrically installed on the left guide rail (14-1) and the right guide rail (14-2); the fourth lifting mechanism (14-5) and the fifth lifting mechanism (14-6) are respectively located above the left guide rail (14-1) and the right guide rail (14-2). The fourth lifting mechanism (14-5) and the fifth lifting mechanism (14-6) are respectively connected to the left slider (14-3) and the right slider (14-4); a material dividing roller shaft (14-11) is arranged between the left slider (14-3) and the right slider (14-4); the material dividing roller shaft (14-11) is synchronously driven to rise and fall by the fourth lifting mechanism (14-5) and the fifth lifting mechanism (14-6); a material dividing roller (14-10) is arranged on the material dividing roller shaft (14-11), and a material dividing spacer ring (14-12) is arranged on the material dividing roller shaft (14-10).

5. The soft metal strip winding tension system according to claim 1 or 2, characterized in that: The distance sensor (18) is connected to the sensor bracket (15) via an angle adjustment bracket (19), and the posture of the distance sensor (18) is adjusted via the angle adjustment bracket (19).

6. The soft metal strip winding tension system according to claim 1 or 2, characterized in that: The transmission device (5) comprises an AC variable frequency motor (5-1), a first reducer (5-2), a second reducer (5-3), and a third reducer (5-4); the main shaft of the AC variable frequency motor (5-1) is connected to the input shaft of the first reducer (5-2), the two output shafts of the first reducer (5-2) are respectively connected to the input shafts of the second reducer (5-3) and the third reducer (5-4), and the output shafts of the second reducer (5-3) and the third reducer (5-4) are respectively connected to a pair of ball screw mechanisms (4), thereby driving the pair of ball screw mechanisms (4) to rotate synchronously through the AC variable frequency motor (5-1).

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