A pressure-regulating elastic fabric winding device

Abstract

The present invention relates to the technical field of fabric processing. The purpose is to provide a pressure-regulating elastic fabric winding device, which includes a feed roller and a discharge roller arranged side by side, and a winding roller is arranged on one side of the discharge roller; a first bottom roller and a second bottom roller are respectively arranged on one side below the feed guide roller and the discharge guide roller; a set of tension adjustment mechanisms for adjusting the fabric tension are arranged between the feed roller and the first bottom roller and between the discharge roller and the second bottom roller; the tension adjustment mechanism includes a square-frame-shaped tension adjustment frame, vertical guide side holes are arranged on both side walls of the tension adjustment frame, and two lifting cross bars extending horizontally are arranged in the middle of the tension adjustment frame, and both ends of the lifting cross bar are arranged in the guide side holes. By adjusting the up and down movement of the lifting cross bar, the present invention changes the traditional swing-type tension adjustment into a lifting-type tension adjustment with longitudinal movement, which is convenient for controlling the tension adjustment accuracy.

Description

Technical Field

[0001] The present invention relates to the technical field of fabric processing, and particularly relates to a pressure-regulating elastic fabric winding device. Background Art

[0002] Winding equipment is a widely used equipment in fabric processing. It mainly uses a winding roller to wind the fabric into a fabric roll to facilitate subsequent processing, transportation and storage. During the process of winding the fabric by the winding roller, usually the end of the fabric is bypassed around each guiding roller and then fixed on the roller body, and the rotation of the roller body is used to continuously wind the fabric. However, due to various possible factors interfering during the actual winding process, wrinkles will occur in the fabric winding. After the wrinkles occur, it will not only affect the appearance of the fabric, but also have an adverse impact on subsequent processing. Therefore, how to eliminate the winding wrinkles has become an extremely important problem in this field. Currently, the relatively common method is to adjust the fabric tension through a tension regulating roller to reduce the wrinkle rate of the fabric. For the wrinkles that have already appeared, manual assistance is used to pull and flatten the wrinkles. However, this method requires manual bedside assistance, with a relatively low overall automation level and a large monitoring intensity.

[0003] Theoretically, to eliminate fabric wrinkles, essentially, on the premise of ensuring that the overall tension of the fabric is appropriate, a lateral flattening force is applied to the wrinkled area to stretch out the wrinkled part. Therefore, to achieve the ideal effect of anti-wrinkle winding, there are two core elements. One is to conveniently and accurately control the tension at the inlet end and outlet end of the fabric, and the other is to quickly flatten the fabric laterally to eliminate the wrinkled area. From the perspective of the first point of tension control, when the existing equipment adjusts the tension, it mainly rotates the pressure regulating roller as a whole to adjust its contact tightness with the fabric, thereby achieving pressure regulation. This way of swing pressure regulation has extremely high requirements for controlling the swing angle of the pressure regulating roller and is prone to inaccurate pressure regulation. From the perspective of the second point of lateral flattening, there is no relevant technology reported currently. Summary of the Invention

[0004] The purpose of the present invention is to provide a pressure-regulating elastic fabric winding device that can conveniently and accurately adjust the tension.

[0005] To achieve the above-mentioned invention purpose, the technical solution adopted by the present invention is: a pressure-regulating elastic fabric winding device, including an inlet roller and an outlet roller arranged side by side, and a winding roller is arranged on one side of the outlet roller; a first bottom roller and a second bottom roller are respectively arranged on one side below the inlet guiding roller and the outlet guiding roller; the fabric sequentially bypasses the inlet roller, the first bottom roller, the second bottom roller, the rear end of the outlet roller and is wound on the winding roller;

[0006] A set of tension adjusting mechanisms for adjusting the fabric tension are provided between the feeding roller and the first bottom roller, and between the discharging roller and the second bottom roller;

[0007] The tension adjusting mechanism includes a square-shaped tension adjusting frame. Vertical guiding side holes are provided on both side walls of the tension adjusting frame. Two lifting cross bars extending horizontally are arranged in the middle of the tension adjusting frame. The two ends of the lifting cross bar are inserted into the guiding side holes and form a vertical sliding fit with the two side walls of the tension adjusting frame; the lifting cross bar is driven by a lifting driving component;

[0008] Between the positions near the two ends of the lifting cross bar, they are connected by two V-shaped connecting arms. Between the V-shaped tips of the two connecting arms, a tension adjusting roller for contacting the fabric is provided. The tension adjusting mechanism drives the tension adjusting roller to move up and down through the lifting cross bar to form the adjustment of the fabric tension.

[0009] Preferably, the lifting driving component includes a tension adjusting motor fixedly arranged on the top of the tension adjusting frame. A vertical adjusting screw rod is arranged inside the tension adjusting frame. The adjusting screw rod is rotationally matched with the tension adjusting frame and is in transmission connection with the tension adjusting motor; a threaded hole matched with the tension adjusting screw rod is arranged on the lifting cross bar. The tension adjusting screw rod is inserted into the threaded hole and forms a threaded fit with the lifting cross bar.

[0010] Preferably, the two sets of tension adjusting mechanisms between the feeding roller and the first bottom roller, and between the discharging roller and the second bottom roller share a tension adjusting frame.

[0011] Preferably, the cross section of the guiding side hole is in the shape of a trumpet with a larger inner diameter and a smaller outer diameter, and a guiding head matched with the guiding side hole is arranged at the end of the lifting cross bar.

[0012] Preferably, a finishing mechanism for flattening the wrinkles on the fabric is provided above the fabric between the first bottom roller and the second bottom roller;

[0013] The finishing mechanism includes a substrate. Two sets of finishing rollers are arranged on the bottom surface of the substrate. The two sets of finishing rollers are arranged in a shape of an eight, and the opening direction of the eight is the same as the conveying direction of the fabric; each finishing roller is obliquely inclined backward toward the side close to the first bottom roller from the inner end to the outer end;

[0014] The finishing roller can rotate during the conveying of the fabric, and provide a lateral component force along the width direction of the fabric to the fabric through the rotational contact with the fabric to form the lateral flattening of the wrinkles on the fabric; the finishing roller is a driving roller, and the finishing roller is driven by a finishing driving component to form active rotation.

[0015] Preferably, a vertical mounting plate is provided at a position on the bottom surface of the substrate opposite to the inner end of the finishing roller. The finishing roller is arranged on the mounting plate and is rotationally matched with the mounting plate;

[0016] The finishing drive assembly includes a plurality of intermediate shafts arranged between two relatively positioned finishing rollers among the two groups of finishing rollers. Both ends of each intermediate shaft are respectively connected to the roller shafts of the corresponding finishing rollers through couplings; a driving worm gear is provided in the middle of each intermediate shaft, and the plurality of driving worm gears are linearly distributed along the length direction of the substrate;

[0017] The finishing drive assembly further includes a driving worm provided in the middle of the substrate and extending along the length direction of the substrate. The driving worm is engaged with the driving worm gear; one end of the driving worm is in transmission connection with a leveling motor fixedly arranged on the substrate.

[0018] Preferably, the finishing roller includes a roller shaft and a roller barrel. The roller shaft sequentially includes a connecting shaft section, a bent section, and a supporting barrel section; the connecting shaft section of the roller shaft is passed through the mounting plate through a bearing and is rotationally matched with the mounting plate; the roller barrel is mounted on the supporting barrel section of the roller shaft and is rotationally matched with the supporting barrel section;

[0019] The roller shaft can rotate during the conveying of the fabric, and the roller barrel on the roller shaft rotates eccentrically around the connecting shaft section to form an intermittent downward pressing on the fabric; the roller barrel can rotate when the fabric is downward pressed, and the rotational contact between the surface of the roller barrel and the fabric provides a lateral component force along the width direction of the fabric to flatten the wrinkles on the fabric; the roller barrel is actively rotated, and the roller barrel is driven by a roller barrel drive assembly to form active rotation.

[0020] Preferably, the roller barrel drive assembly includes a friction cylinder fixedly arranged on the outer side surface of the mounting plate. The friction cylinder is coaxially arranged with the connecting shaft section of the roller shaft, and the inner ends of the bent section and the supporting barrel section of the roller shaft are both located inside the friction cylinder; a friction disc for forming friction with the inner side wall of the friction cylinder is arranged on the end surface of the roller barrel close to one end of the bent section of the roller shaft;

[0021] During the rotation of the connecting shaft section of the roller shaft, the roller barrel is driven to rotate by the frictional force between the friction disc and the inner side wall of the friction cylinder.

[0022] The beneficial effects of the present invention are mainly reflected in that by adjusting the up-and-down movement of the lifting cross bar, the traditional swing-type tension adjustment is transformed into a lifting-type tension adjustment with longitudinal movement, which is convenient for controlling the tension adjustment accuracy. Specifically, during the use of the present invention, the connecting arm is driven to move by the lifting cross bar, and then the tension adjustment roller is driven to move up and down. When the tension adjustment roller moves up and down, due to the different stretching strengths of the roller on the fabric, rapid tension adjustment can be achieved. The present invention abandons the traditional method of adjusting the tension by driving the tension adjustment roller to swing, and changes the angle control under swing adjustment to distance control under lifting adjustment, with higher control accuracy and more convenient control. At the same time, since the tension adjustment roller is supported by a V-shaped connecting arm, it has better stability compared with single cross arm, double cross arm and other methods. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a schematic structural view of the present invention;

[0024] Figure 2 is Figure 1 a view taken along the line A-A of the structure shown in ;

[0025] Figure 3 is a schematic structural view of the finishing roller;

[0026] Figure 4 is Figure 3 an enlarged view of part B in ;

[0027] Figure 5 is a schematic structural view of the tension adjustment mechanism;

[0028] Figure 6 is a schematic structural view of a preferred tension adjustment mechanism;

[0029] Figure 7 is Figure 6 a view taken along the line C-C of the structure shown in. DETAILED DESCRIPTION OF THE INVENTION

[0030] As Figures 1-7 shown, a fabric winding device is used to wind the strip fabric after the previous process into a fabric roll, and the winding is mainly carried out on the winding roller 3. To cooperate with the work of the winding roller 3, the present invention includes a feeding roller 1 and a discharging roller 2 arranged side by side. The feeding roller 1 is used to introduce the fabric completed in the previous process into the device for leveling preparation, and the discharging roller 2 is used to discharge the leveled fabric for winding preparation. The winding roller 3 is located on one side of the discharging roller 2.

[0031] One side below the feeding guide roller and the discharging guide roller is respectively provided with a first bottom roller 4 and a second bottom roller 5, as Figure 1As shown in the figure, the first bottom roller 4 and the second bottom roller 5 are arranged in a V-shaped pattern relative to the feeding roller 1 and the discharging roller 2. The first bottom roller 4 and the second bottom roller 5 play a role in guiding the fabric, and a working area for leveling the fabric is formed between them. The fabric sequentially bypasses the feeding roller 1, the first bottom roller 4, the second bottom roller 5, and the rear end of the discharging roller 2 and is wound on the winding roller 3.

[0032] In the present invention, the wrinkles on the fabric are leveled between the first bottom roller 4 and the second bottom roller 5 to eliminate the wrinkles on the fabric. At the same time, the tension of the fabric between the first bottom roller 4 and the feeding roller 1 can be adjusted to reduce the generation rate of wrinkles on the fabric entering the winding device. The tension of the fabric between the second bottom roller 5 and the discharging roller 2 is adjusted to prevent the reappearance of wrinkles after leveling.

[0033] From the perspective of leveling the fabric in the area between the first bottom roller 4 and the second bottom roller 5, a finishing mechanism 6 for flattening the wrinkles on the fabric is provided above the fabric between the first bottom roller 4 and the second bottom roller 5 in the present invention. Figure 1 and 2 As shown in the figure, the finishing mechanism 6 of the present invention includes a substrate 7. Figure 2 As shown in the figure, two groups of finishing rollers 8 are provided on the bottom surface of the substrate 7. The two groups of finishing rollers 8 are arranged in a V-shaped pattern, and the opening direction of the V-shaped pattern is the same as the conveying direction of the fabric. The finishing roller 8 is generally a linear rotating roller that can rotate around its axis.

[0034] As Figure 2 shown in the figure, the conveying direction of the fabric is from right to left, and it is conveyed from the first bottom roller 4 towards the second bottom roller 5. Then, the opening direction of the larger side of the V-shaped pattern of the two groups of finishing rollers also faces left. Each finishing roller 8 is inclined obliquely backward towards the side close to the first bottom roller 4 from the inner end to the outer end. Taking the topmost finishing roller 8 in Figure 2 as an example: that is, it is inclined obliquely from the lower end to the upper end. Generally, the inclination angle is between 10° and 30°. If the inclination angle is too large, the coverage range of a single finishing roller 8 in the width direction of the fabric is too small. If the inclination angle is too small, the lateral component force it can provide is too small. The ideal value is around 20°.

[0035] When the finishing roller 8 is performing the finishing work, its rotation direction is adapted to the conveying direction of the fabric, that is, its rotation direction is the same as the conveying direction of the fabric. On the one hand, it should conform to the conveying of the fabric, and on the other hand, it should provide a lateral component force. It should be noted that the number of each group of finishing rollers 8 arranged should be such that the leveling range that can be achieved should basically cover the width of the fabric. As shown in the figure, each group of finishing rollers 8 includes three finishing rollers 8. In actual applications, according to the length of a single finishing roller 8, 4, 5, etc. can also be arranged, but each group of finishing rollers 8 should at least include two.

[0036] The finishing roller 8 of the present invention can rotate during the conveying of the fabric, and provide a lateral component force in the width direction of the fabric by rotating contact with the fabric, so as to flatten the wrinkles on the fabric laterally. During the use of the finishing mechanism of the present invention, the fabric passes through the feeding roller 1, the first bottom roller 4, the second bottom roller 5, and the discharging roller 2 in sequence and is wound on the winding roller 3. When the fabric passes through the area between the first bottom roller 4 and the second bottom roller 5, it contacts the finishing roller 8 of the finishing mechanism. Under the segmented finishing of the two groups of finishing rollers 8, the wrinkles in the entire width range of the fabric are flattened to both sides, ensuring the elimination of wrinkles. Since the present invention flattens the fabric from the inside to the outside in the width direction during wrinkle finishing, it can effectively reduce the phenomenon of repeated wrinkles, ensuring the stability of the finishing quality and the comprehensiveness of finishing.

[0037] The finishing roller 8 of the present invention can be a driven roller. The finishing roller 8 forms passive rotation through friction with the fabric. That is to say, the fabric moves under the winding force driven by the winding roller 3, and the rotation of the finishing roller 8 is formed by friction with the fabric. Of course, in order to improve the finishing effect, a better way of the present invention can also be that the finishing roller 8 is a driving roller, and the finishing roller 8 is driven to rotate actively through a finishing drive assembly. Through its active rotation, an active lateral component force is provided for the lateral flattening of the fabric.

[0038] There are many active driving methods for the finishing roller 8, that is to say, there are many specific structures of the finishing drive assembly. For example: it can be an independent micro motor separately adapted to the drive end of the finishing roller 8. By starting, stopping, and controlling the rotation speed of each micro motor, the rotation of each finishing roller 8 is driven to cooperate. However, since the present invention uses two groups of multiple finishing rollers 8 for finishing, in order to reduce the equipment cost and the equipment control difficulty, a better way of the present invention can also be to use a finishing drive assembly with a single power source for driving.

[0039] When driving with a finishing drive assembly with a single power source, generally a vertical mounting plate 9 is provided at a position on the bottom surface of the substrate 7 opposite to the inner end of the finishing roller 8. The finishing roller 8 is arranged on the mounting plate 9 and forms a rotational fit with the mounting plate 9. The finishing drive assembly includes multiple intermediate shafts 10 arranged between two opposite finishing rollers 8 in two groups of finishing rollers 8. Both ends of each intermediate shaft 10 are respectively connected to the roller shafts 15 of the corresponding finishing roller 8 through couplings 11. A driving worm wheel 12 is arranged in the middle of each intermediate shaft 10, and multiple driving worm wheels 12 are linearly distributed along the length direction of the substrate 7. By driving the rotation of each driving worm wheel 12, the synchronous rotation of multiple intermediate shafts 10 can be driven, and then the synchronous rotation of the finishing roller 8 can be driven. In order to synchronously drive the driving worm wheels 12 on multiple intermediate shafts 10, such as Figure 2As shown in the figure, the finishing drive assembly further includes a drive worm 13 disposed in the middle of the substrate 7 and extending along the length direction of the substrate 7. The drive worm 13 meshes with the drive worm gear 12. One end of the drive worm 13 is in transmission connection with a leveling motor 14 fixedly arranged on the substrate 7.

[0040] Generally, the finishing roller 8 that can be applied in the present invention can be a simplest linear rotating roller, which completes the leveling work simply by the rotation of the roller body. This kind of finishing roller 8 can adapt to most fabrics. However, since the wrinkled area on the fabric is sometimes long and extends to the corner part, that is, the corresponding part of the first bottom roller 4 and the second bottom roller 5, the tension of the fabric in this part is relatively large. For some highly elastic fabrics, simply rotating the finishing roller 8 is not enough to completely flatten the wrinkles. Therefore, in many cases, it is also necessary to cooperate with the up-and-down flicking of the fabric when the finishing roller 8 rotates, so as to eliminate the too-long wrinkles.

[0041] Therefore, the present invention also discloses a special finishing roller 8, which has both the functions of transferring and flicking. As Figure 3 and 4 shown in the figure, the finishing roller 8 includes a roller shaft 15 and a roller barrel 16. The roller shaft 15 sequentially includes a connecting shaft section 17, a bending section 18, and a supporting barrel section 19. The connecting shaft section 17 is used for power connection, and the supporting barrel section 19 is used for installing the roller barrel 16. The bending section 18 is used to connect the connecting shaft section 17 and the supporting barrel section 19, so as to form a corner between the two, that is, the connecting shaft section 17 and the supporting barrel section 19 have different axis lines. The connecting shaft section 17 of the roller shaft 15 is passed through the mounting plate 9 through a bearing 0 and forms a rotational fit with the mounting plate 9. The roller barrel 16 is installed on the supporting barrel section 19 of the roller shaft 15 and forms a rotational fit with the supporting barrel section 19.

[0042] When this dual-functional finishing roller 8 is adopted, the roller shaft 15 can rotate during the fabric conveying process, and the roller barrel 16 on the roller shaft 15 rotates eccentrically around the connecting shaft section 17 to form an intermittent downward push on the fabric. The roller barrel 16 can rotate when the fabric is pushed downward, and the rotational contact between the surface of the roller barrel 16 and the fabric provides a lateral component force along the width direction of the fabric to flatten the wrinkles on the fabric.

[0043] During the use of this finishing roller 8, it drives the roller shaft 15 to rotate integrally through the coupling section 17 of the roller shaft. Due to the existence of the bent section 18 of the roller shaft 15, the supporting cylinder section 19 of the roller shaft 15 forms an eccentric rotation, so that the roller 16 installed thereon can form an intermittent downward pressing on the fabric, thereby realizing the bouncing of the fabric. At the same time, since the roller 16 can rotate relative to the supporting roller section 19, during the rotation of the roller 16, a lateral component force along the width direction of the fabric can be applied to the fabric, so as to level the wrinkles during the rotation process. Cooperating with the overall bouncing of the fabric by the finishing roller 8, the wrinkle elimination effect is extremely good, especially for long wrinkles, which all have an excellent elimination rate.

[0044] During the rotation of the roller 16 according to the present invention, its actuation mode can also adopt two modes. In one case, the roller 16 is driven to rotate passively, and the roller 16 forms a passive rotation through the friction with the fabric. In this form, the rotation of the roller shaft 15 is actively driven by the power input from the coupling section 17, while the rotation of the roller 16 depends on the frictional force generated by the fabric conveying when it contacts the fabric. In another case, the roller 16 is also actively rotated, that is to say, the rotation of the roller shaft 15 is actively driven by the power input from the coupling section 17, while the rotation of the roller 16 depends on the power access of the driving component or other prime movers for driving. In the second case, in order to drive the rotation of the roller 16 by the power input from the coupling section 17 (that is, the power input from the coupling section 17 simultaneously drives the roller shaft 15 and the roller 16 to rotate actively), the following better method can be adopted.

[0045] Combined Figure 3 and 4 As shown in, the roller driving component includes a friction cylinder 20 fixedly arranged on the outer side surface of the mounting plate 9. The friction cylinder 20 is coaxially arranged with the coupling section 17 of the roller shaft 15. The bent section 18 of the roller shaft 15 and the inner ends of the supporting cylinder section 19 are both located inside the friction cylinder 20. A friction disc 21 for forming friction with the inner side wall of the friction cylinder 20 is arranged on the end surface of the roller 16 close to one end of the bent section 18 of the roller shaft 15. During the rotation of the coupling section 17 of the roller shaft 15, the roller 16 rotates under the driving of the frictional force between the friction disc 21 and the inner side wall of the friction cylinder 20.

[0046] In this form, when the prime power is input from the coupling section 17, it drives the coupling section 17, the bent section 16, and the supporting cylinder section 19 (that is, the roller shaft 15 as a whole) to rotate, realizing intermittent downward pressing. At the same time, due to the continuous friction between the friction disc 21 and the friction cylinder 20, it can drive the friction disc 21 to rotate, and then drive the roller 16 connected thereto to rotate through the friction disc 21. To synchronously realize the intermittent downward pressing and transfer functions. In order to increase the frictional force to ensure the stability of the transfer function, as Figure 4As shown in the figure, a rubber layer 22 for increasing the friction force is provided on the inner side wall of the friction cylinder 20 and the outer side wall of the friction disc 21.

[0047] Of course, considering that the roller 16 needs to have friction during the contact with the fabric, and friction will generate a certain amount of static electricity. To eliminate the adverse effects of static electricity, the present invention should also have an anti-static function. For example, an anti-static coating is sprayed on the outer side wall of the roller 16.

[0048] The finishing roller 8 disclosed in the present invention can be combined and applied on the basis of the finishing mechanism of the present invention, or can be separately adapted and applied to other fabric finishing work units for eliminating the winding of the fabric.

[0049] In addition, in terms of the fabric tension adjustment between the first bottom roller 4 and the feeding roller 1, and the tension adjustment between the second bottom roller 5 and the discharging roller 2, the present invention also provides a set of tension adjustment mechanisms 23 for adjusting the fabric tension between the feeding roller 1 and the first bottom roller 4, and between the discharging roller 2 and the second bottom roller 5.

[0050] Combined Figure 1 、 5 As shown in FIGS. -7. The tension adjustment mechanism 23 includes a square frame-shaped tension adjustment frame 24. Vertical guide side holes 25 are provided on both side walls of the tension adjustment frame 24. Two lifting cross bars 26 extending horizontally are provided in the middle of the tension adjustment frame 24. The two ends of the lifting cross bar 26 are inserted into the guide side holes 25 and form a vertical sliding fit with the two side walls of the tension adjustment frame 24.

[0051] To ensure the stability of the lifting cross bar 26 moving in the guide side hole 25 and at the same time limit the position of the guide cross bar 26 in the length direction, as Figure 7 shown in the figure, the cross section of the guide side hole 25 is in the shape of a horn with a large inner side and a small outer side. A guide head 31 matching the guide side hole 25 is provided at the end of the lifting cross bar 26. The guide head 31 is inserted into the guide side hole 25 to form an up and down guiding slide. The horn-shaped structure can effectively prevent the lateral movement of the lifting cross bar 26 and ensure its lifting stability.

[0052] The lifting cross bar 26 is driven by a lifting drive assembly. The lifting drive assembly can be a cylinder, a linear telescopic motor, etc. It can also be as Figure 5As shown in the figure, the lifting drive assembly includes a tension adjustment motor 29 fixedly arranged at the top of the tension adjustment frame 24. A vertical adjustment screw 30 is arranged inside the tension adjustment frame 24. The adjustment screw 30 is rotationally matched with the tension adjustment frame 24 and is in transmission connection with the tension adjustment motor 29. A threaded hole matched with the tension adjustment screw 30 is arranged on the lifting cross bar 26. The tension adjustment screw 30 is arranged in the threaded hole and forms a threaded fit with the lifting cross bar 26.

[0053] In the present invention, the tension adjustment roller 28 is installed on the lifting cross bar 26, and its vertical position is adjusted by the lifting of the lifting cross bar 26. Its particularly special feature is that, as Figure 1 shown in the figure, the positions of the lifting cross bar 26 near both ends are connected by two V-shaped connecting arms 27. A tension adjustment roller 28 for contacting the fabric is arranged between the V-shaped tips of the two connecting arms 27. The tension adjustment mechanism 23 drives the tension adjustment roller 28 to move up and down through the lifting cross bar 26 to form the tension adjustment of the fabric.

[0054] During the use of the present invention, the connecting arm 27 is driven to move by the lifting cross bar 26, and then the tension adjustment roller 28 is driven to move up and down. When the tension adjustment roller 28 moves up and down, due to the different stretching strengths of the fabric, rapid tension adjustment can be realized. The present invention abandons the traditional method of adjusting the tension by driving the tension adjustment roller 28 to swing, and changes the angle control under swing adjustment to distance control under lifting adjustment, with higher control precision and more convenient control. At the same time, since the tension adjustment roller 28 is supported by the V-shaped connecting arm 27, it has better stability compared with single cross arm, double cross arm and other methods.

[0055] Generally, two groups of tension adjustment mechanisms are provided. One is used to adjust the tension of the fabric between the feeding roller 1 and the first bottom roller 4, and the other group is used to adjust the tension of the fabric between the discharging roller 2 and the second bottom roller 5. Each of them can adopt a tension adjustment frame 24, or they can share a tension adjustment frame 24.

Claims

1. A voltage-regulating type elastic fabric winding device, comprising a feeding roller (1) and a discharging roller (2) arranged side by side, and a winding roller (3) is arranged on one side of the discharging roller (2); a first bottom roller (4) and a second bottom roller (5) are respectively arranged on one side below the feeding roller (1) and the discharging roller (2); the fabric sequentially bypasses the feeding roller (1), the first bottom roller (4), the second bottom roller (5), the rear end of the discharging roller (2) and is wound on the winding roller (3). It is characterized in that: A set of tension adjusting mechanisms (23) for adjusting the fabric tension are arranged between the feeding roller (1) and the first bottom roller (4), and between the discharging roller (2) and the second bottom roller (5). The tension adjusting mechanism (23) includes a square-shaped tension adjusting frame (24), vertical guiding side holes (25) are arranged on both side walls of the tension adjusting frame (24), two lifting cross bars (26) extending horizontally are arranged in the middle of the tension adjusting frame (24), both ends of the lifting cross bar (26) are inserted into the guiding side holes (25) and form a vertical sliding fit with both side walls of the tension adjusting frame (24); the lifting cross bar (26) is driven by a lifting driving assembly. Both ends of the lifting cross bar (26) near the two ends are connected by two V-shaped connecting arms (27), and a tension adjusting roller (28) for contacting the fabric is arranged between the V-shaped tips of the two connecting arms (27). The tension adjusting mechanism (23) drives the tension adjusting roller (28) to move up and down through the lifting cross bar (26) to form the tension adjustment of the fabric. A finishing mechanism (6) for flattening the wrinkles on the fabric is arranged above the fabric between the first bottom roller (4) and the second bottom roller (5). The finishing mechanism (6) includes a substrate (7), and two groups of finishing rollers (8) are arranged on the bottom surface of the substrate (7). The finishing roller (8) includes a roller shaft (15) and a roller cylinder (16). The roller shaft (15) sequentially includes a connecting shaft section (17), a bent section (18) and a supporting cylinder section (19); the connecting shaft section (17) of the roller shaft (15) is inserted into the mounting plate (9) through a bearing (0) and forms a rotating fit with the mounting plate (9); the roller cylinder (16) is installed on the supporting cylinder section (19) of the roller shaft (15) and forms a rotating fit with the supporting cylinder section (19).

2. The pressure-regulating elastic fabric winding device according to claim 1, characterized in that: The lifting driving assembly includes a tension adjusting motor (29) fixedly arranged on the top of the tension adjusting frame (24). A vertical adjusting screw rod (30) is arranged in the tension adjusting frame (24). The adjusting screw rod (30) is rotationally matched with the tension adjusting frame (24) and is in transmission connection with the tension adjusting motor (29); a threaded hole matched with the tension adjusting screw rod (30) is arranged on the lifting cross bar (26), and the tension adjusting screw rod (30) is inserted into the threaded hole and forms a threaded fit with the lifting cross bar (26).

3. The pressure-regulating elastic fabric winding device according to claim 2, wherein: The two groups of tension adjusting mechanisms (23) between the feeding roller (1) and the first bottom roller (4), and between the discharging roller (2) and the second bottom roller (5) share a tension adjusting frame (24).

4. The pressure-regulating elastic fabric winding device according to claim 3, characterized in that: The cross-section of the guiding side hole (25) is in the shape of a horn with a larger inner diameter and a smaller outer diameter, and a guiding head (31) matching the guiding side hole (25) is arranged at the end of the lifting cross bar (26).

5. The pressure-regulating elastic fabric winding device according to claim 4, wherein: The two groups of finishing rollers (8) are arranged in a V-shape, and the opening direction of the V-shape is the same as the conveying direction of the fabric; each of the finishing rollers (8) is obliquely backward inclined towards the side close to the first bottom roller (4) from the inner end to the outer end; The roller shaft (15) can rotate during the conveying of the fabric, and the roller (16) on the roller shaft (15) eccentrically rotates around the connecting shaft section (17) to form an intermittent downward pushing on the fabric; the roller (16) can rotate when the fabric is pushed downward, and the rotational contact between the surface of the roller (16) and the fabric provides a lateral component force in the width direction of the fabric to flatten the wrinkles on the fabric; the finishing roller (8) is a driving roller, and the finishing roller (8) is driven by a finishing driving assembly to form a driving rotation.

6. The pressure-regulating elastic fabric rewinding device according to claim 5, characterized in that: A vertical mounting plate (9) is arranged at the bottom surface of the substrate (7) at a position opposite to the inner end of the finishing roller (8), and the finishing roller (8) is arranged on the mounting plate (9) and forms a rotational fit with the mounting plate (9); The finishing driving assembly includes a plurality of intermediate shafts (10) arranged between two opposite finishing rollers (8) in the two groups of finishing rollers (8), and both ends of each intermediate shaft (10) are respectively connected to the roller shafts (15) of the corresponding finishing rollers (8) through couplings (11); a driving worm gear (12) is arranged in the middle of each intermediate shaft (10), and the plurality of driving worm gears (12) are linearly distributed along the length direction of the substrate (7); The finishing driving assembly further includes a driving worm (13) arranged in the middle of the substrate (7) and extending along the length direction of the substrate (7), and the driving worm (13) meshes with the driving worm gear (12); one end of the driving worm (13) is in transmission connection with a flattening motor (14) fixedly arranged on the substrate (7).

7. The pressure-regulating elastic fabric winding device according to claim 6, wherein: The roller (16) driving assembly includes a friction cylinder (20) fixedly arranged on the outer side surface of the mounting plate (9), the friction cylinder (20) is coaxially arranged with the connecting shaft section (17) of the roller shaft (15), and the inner ends of the bent section (18) and the supporting cylinder section (19) of the roller shaft (15) are both located inside the friction cylinder (20); a friction disc (21) for forming friction with the inner side wall of the friction cylinder (20) is arranged on the end surface of the roller (16) close to one end of the bent section (18) of the roller shaft (15); During the rotation of the connecting shaft section (17) of the roller shaft (15), the roller (16) is driven to rotate by the friction force between the friction disc (21) and the inner side wall of the friction cylinder (20).

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