CN214217649U

CN214217649U - Cloth dropping device capable of preventing pulling damage

Info

Publication number: CN214217649U
Application number: CN202023329193.5U
Authority: CN
Inventors: 杨继烈; 崔文辉
Original assignee: Jiangsu Dingxin Printing & Dyeing Co ltd
Current assignee: Jiangsu Dingxin Printing & Dyeing Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-09-17
Anticipated expiration: 2030-12-30

Abstract

The utility model relates to a prevent dragging damage cropping device, including the cropping frame, be equipped with tension response roller, cropping roller and be used for driving the driving motor of cropping roller on the cropping frame, driving motor is connected with the controller, the controller is connected with and is used for detecting the inductor that tension response roller tip received tension size, be equipped with on the cropping frame and be used for applying the supporting part of perpendicular to tension response roller axis direction effort to the tension response roller along vertical direction. The fabric doffing device has the effects of reducing fabric pulling damage and being suitable for easily damaging fabric doffing.

Description

Cloth dropping device capable of preventing pulling damage

Technical Field

The application relates to the field of textile fabric processing equipment, in particular to a cloth dropping device capable of preventing pulling damage.

Background

Fig. 1 and 2 show a doffing device widely used in textile fabric processing equipment such as napping machines and setting machines in the related art, which includes a doffing frame 1, wherein the doffing frame 1 is provided with a first transfer roller 14, a tension induction roller 2, a second transfer roller 15 and a doffing roller 16, and the first transfer roller 14, the tension induction roller 2, the second transfer roller 15 and the doffing roller 16 are arranged along the fabric running direction. During doffing, the fabric sequentially bypasses the first transfer roller 14, the tension sensing roller 2, the second transfer roller 15 and the doffing roller 16. The doffing frame 1 is also provided with a driving motor 17 for providing driving force for the doffing roller 16, in order to regulate and control the doffing speed in real time, the end part of the tension induction roller 2 is provided with an inductor 21, the driving motor 17 is provided with a controller, and the inductor 21 is electrically connected with the controller. The sensor 21 is used for detecting the tension applied to the tension sensing roller 2 and transmitting a detected tension signal to the controller; the controller adjusts the rotating speed of the driving motor 17 according to the change of the tension. When the fabric tension is reduced (when the fabric is loosened), the tension sensed by the sensor 21 is reduced, and then the controller adjusts the driving motor 17 to rotate in an accelerating manner, so that the doffing roller 16 decelerates to doff; when the fabric tension is increased (when the fabric is tightened), the tension sensed by the sensor 21 is increased, and the controller adjusts the driving motor 17 to rotate at a reduced speed, so that the doffing roller 16 performs speed reduction doffing. Thus, the cloth falling speed self-adjustment can be realized.

The doffing device of the related art leaves the factory, that is, is in a preset adjustable doffing speed range, that is, the upper limit and the lower limit of the rotation speed of the driving motor are clear. However, in actual production, the raw material composition, the specification and the like of the fabric to be processed are various, the upper limit of the bearable tension of different types of fabrics is different, and the fabric which is easy to damage, such as spandex-containing fabric, is very easy to be pulled and damaged due to overlarge tension. When the general doffing device in the related art is used for doffing the fabrics, the problem that the upper limit of the speed of the doffing device exceeds the upper limit of the doffing speed which can be borne by the fabrics easily occurs, and then the fabrics are pulled and damaged.

SUMMERY OF THE UTILITY MODEL

In order to reduce the pulling damage when easily damaging the fabric cropping, the application provides a prevent pulling damage cropping device.

The application provides a prevent dragging damage surface fabric adopts following technical scheme:

the utility model provides an prevent dragging damage cropping device, includes the cropping frame, be equipped with tension response roller, cropping roller and be used for driving the driving motor of cropping roller on the cropping frame, driving motor is connected with the controller, the controller is connected with and is used for detecting the inductor that tension response roller tip received tension size, be equipped with on the cropping frame and be used for applying the supporting part of perpendicular to tension response roller axis direction effort to the tension response roller along vertical direction.

Through adopting above-mentioned technical scheme, exert extra upward top thrust with the help of the supporting part to the tension response roller, correspondingly promoted the tension value lower limit that the inductor can detect, reduced driving motor's maximum rotational speed promptly for the cropping speed of cropping roller can be controlled in the highest safe speed scope of permitting that is less than the surface fabric, is applicable to easily pull and damages the surface fabric cropping.

Optionally, the support portion applies a force in a bottom-up direction to the tension induction roller.

Through adopting above-mentioned technical scheme for this application scheme realizes easily, does benefit to and reduces the pulling damage that the plaiting in-process caused the easy damage surface fabric.

Optionally, the support portion includes a mounting seat fixed to the cloth dropping frame and a jacking screw rod screwed to the mounting seat.

Through adopting above-mentioned technical scheme, rotatory jacking screw rod utilizes jacking screw rod tip to support to push away tension induction roller and can make tension induction roller obtain extra jacking thrust to the damage is dragged to the surface fabric when reducing the cropping. Correspondingly, when the general anti-pulling fabric is processed, the jacking screw rod can be rotated reversely, and the jacking effect of the jacking screw rod on the tension sensing roller is removed.

Optionally, the supporting part further comprises a jacking block, and the jacking block is arranged between the tension induction roller and the jacking screw rod.

Through adopting above-mentioned technical scheme, the setting up of jacking piece has increased and has responded to the area of contact between the roller with tension, can exert jacking effort to tension response roller more evenly, and stability is better.

Optionally, the top surface of the jacking block is provided with an arc-shaped clamping groove for clamping the tension induction roller.

Through adopting above-mentioned technical scheme, further increased the jacking force active area to tension induction roll, increased stability.

Optionally, a guide groove for the jacking block to be clamped in is formed in the mounting seat, and the jacking screw rod penetrates out of the guide groove.

Through adopting above-mentioned technical scheme, the skew of jacking piece has been restricted in the setting of guide way, and stability is good. Preferably, the guide groove is formed in the direction parallel to the axis of the tension induction roller, so that the effect of limiting the deviation of the jacking block is better. More preferably, the bottom surface of the jacking block can be provided with a limiting hole for inserting the end part of the jacking screw rod, so that the limiting effect on the jacking block is better.

Optionally, a plurality of balls are embedded in the groove wall of the arc-shaped clamping groove.

Through adopting above-mentioned technical scheme, the setting up of ball makes the jacking piece when exerting jacking effort to tension induction roller, does not hinder tension induction roller's rotation for tension induction roller can normally conduct the surface fabric.

Optionally, the mounting seat comprises a transverse plate and a vertical plate arranged perpendicular to the transverse plate, and the vertical plate is arranged on one side of the transverse plate; the vertical plate is fixed on the cloth falling frame; the jacking screw rod penetrates through the transverse plate.

Through adopting above-mentioned technical scheme, but the mount pad direct mount that comprises diaphragm and riser is good in stability in the side of the crossbeam of cropping frame.

Optionally, the support portion comprises a lifting block, a mounting block and a movable block; the lifting block is positioned below the tension induction roller, and two ends of the lifting block are connected with guide rods; the mounting block is fixed at the top of the cropping frame and positioned above the tension sensing roller, and the guide rod penetrates through the mounting block; the movable block is positioned above the mounting block, and two ends of the movable block are respectively connected with the two guide rods; and an adjusting bolt is inserted on the movable block, and the end part of the adjusting bolt is abutted to the mounting block.

Through adopting above-mentioned technical scheme, rotatory adjusting bolt for the movable block moves up, and with the help of the transmission of guide bar, the lifting piece is lifted. The top surface of the lifting block is abutted against the tension induction roller, and upward pushing acting force is applied to the tension induction roller, so that the highest rotating speed of the driving motor is limited, and the possibility that the fabric is pulled and damaged during cropping is reduced.

Optionally, the top surface of the lifting block is provided with an arc-shaped groove into which the tension sensing roller is clamped,

Through adopting above-mentioned technical scheme, increased the jacking stability to tension induction roll for this application scheme realizes easily.

In summary, the present application includes at least one of the following beneficial technical effects:

1. in the application, the supporting part is arranged on the cloth dropping frame, the supporting part is utilized to apply extra jacking or pulling acting force to the tension induction roller, the lower limit value of the tension which can be detected by the sensor is increased, correspondingly, the upper limit value of the rotating speed of the driving motor is reduced, and the fabric is not easy to be dragged and damaged due to over-high speed during cloth dropping;

2. the installation seat comprises the transverse plate and the vertical plate, is simple in structure and can be stably installed on the cloth dropping frame; the transverse plate is provided with a jacking screw rod in a penetrating way, so that the jacking acting force on the tension induction roller can be conveniently adjusted.

Drawings

Fig. 1 is a schematic structural diagram of a dropping device in the background art.

Fig. 2 is a sectional view of a dropping device in the background art.

Fig. 3 is a schematic structural view of the tearing damage preventing doffing device in example 1.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Fig. 5 is a sectional view of the rip-damage preventing falling cloth device in example 1.

FIG. 6 is a diagram showing the operation of the dropping cloth device for preventing the pulling damage in the embodiment 1.

Fig. 7 is a schematic structural view of a pull-damage preventing cropping device in example 2.

Fig. 8 is an enlarged view of a portion B in fig. 7.

Fig. 9 is a schematic structural view of the support part in embodiment 2.

Fig. 10 is a schematic structural view of a pull-damage preventing cropping device in example 3.

Fig. 11 is an enlarged view of a portion C in fig. 10.

Description of reference numerals: 1. a fabric dropping frame; 11. erecting a beam; 12. a cross beam; 13. a cross bar; 14. a first transfer roller; 15. a second transfer roller; 16. a cloth dropping roller; 17. a drive motor; 171. a motor mounting seat; 2. a tension induction roller; 21. an inductor; 3. a mounting seat; 31. a transverse plate; 311. a guide groove; 32. a vertical plate; 4. jacking blocks; 41. an arc-shaped clamping groove; 411. a ball bearing; 5. jacking a screw rod; 6. lifting the block; 61. a guide bar; 62. an arc-shaped groove; 7. mounting blocks; 8. a movable block; 9. and adjusting the bolt.

Detailed Description

The present application is described in further detail below with reference to figures 3-11.

The embodiment of the application discloses prevent dragging damage cropping device.

Example 1

Referring to fig. 3 and 4, the tearing damage prevention doffing apparatus includes a doffer 1. The doffer 1 comprises two vertical beams 11, and the two vertical beams 11 are parallel to each other. The top end of each vertical beam 11 is fixed with a cross beam 12, and the cross beam 12 is perpendicular to the vertical beams 11. The two cross beams 12 are located on the same side of the vertical beam 11, and the two cross beams 12 are parallel to each other. A cross bar 13 is connected between the two vertical beams 11. The vertical beams 11, the cross beams 13 and the cross beams 12 together form the cloth dropping frame 1.

Referring to fig. 3, a first guide roller 14, a tension sensing roller 2, a second guide roller 15 and a doffing roller 16 are sequentially arranged on the doffing frame 1 along the running direction of the fabric, wherein the first guide roller 14 is mounted on the vertical beam 11 through the roller shaft mounting seat 3 and is positioned close to the top end of the vertical beam 11; the tension induction roller 2 is arranged between the two cross beams 12, and the end part of the tension induction roller is inserted into the inner cavity of the cross beam 12; the second transmission roller 15 is arranged at the top of the cross beam 12 through the roller shaft mounting seat 3 and is positioned at one side, away from the first transmission roller 14, of the tension sensing roller 2; both ends of the cropping roller 16 are rotatably connected to the tail end of the cross beam 12, and the cropping roller 16 is arranged at one end, far away from the vertical beam 11, of the cross beam 12. A motor mounting seat 171 is fixed on the side surface of one beam 12, a driving motor 17 is fixed on the motor mounting seat 171, and the driving motor 17 and the cropping roller 16 are in transmission through a belt. During the cropping, the fabric sequentially bypasses the first guide roller 14, the tension sensing roller 2, the second guide roller 15 and the cropping roller 16, and the driving motor 17 is electrified to drive the cropping roller 16 to rotate so as to perform cropping.

Referring to fig. 3 and 4, in order to limit the maximum rotation speed of the dropping roll 16, a support portion for applying a force perpendicular to the axial direction of the tension-sensitive roll 2 to the tension-sensitive roll 2 in the vertical direction is provided on each of the two beams 12. Two support parts are respectively arranged at the two end parts of the tension induction roller 2.

Referring to fig. 4 and 5, the support portion includes an L-shaped mount 3 and a jacking screw 5. The mounting seat 3 is composed of a transverse plate 31 and a vertical plate 32 which are perpendicular to each other, and the vertical plate 32 is connected with the side wall of the cross beam 12 through a bolt. The jacking screw rod 5 penetrates through the transverse plate 31 in the vertical direction, and the jacking screw rod 5 is in threaded connection with the transverse plate 31. In this embodiment, the jacking screw 5 is selected as a bolt, and the jacking screw 5 is rotated to the end part to abut against the end part of the tension induction roller 2, so that the jacking acting force in the direction from bottom to top can be applied to the tension induction roller 2.

Referring to fig. 5 and 6, one end of the tension induction roller 2 inserted into the inner cavity of the beam 12 is installed through the roller shaft installation base 3, the sensor 21 is arranged below the roller shaft installation base 3, and the sensor 21 can detect the tension applied to the tension induction roller 2 in real time. The driving motor 17 is connected to a controller (not shown), the controller of this embodiment is a Programmable Logic Controller (PLC), and the sensor 21 is connected to the controller. When the tension detected by the sensor 21 is reduced, the controller controls the driving motor 17 to rotate in an accelerating way, so that the cropping is accelerated; when the sensor 21 detects that the tension is increased, the controller controls the driving point to rotate in a speed reduction mode, and the cloth is dropped in a speed reduction mode.

The implementation principle of the device for preventing the cloth from being torn and damaged in the embodiment 1 of the application is as follows: screw jacking screw rod 5, utilize jacking screw rod 5 to exert the jacking effort from bottom to top to tension induction roller 2 for the tension that inductor 21 detected is unlikely to hang down excessively, and corresponding driving motor 17 rotational speed can not be too fast, thereby makes the maximum cropping speed be less than the safe speed that the surface fabric processing allowed, and the at utmost has reduced the possibility of dragging the damage surface fabric.

Example 2

Example 2 is based on example 1 and differs from example 1 only in that: the support portions differ in their construction.

Referring to fig. 7 and 8, the support portion of the present embodiment also includes an L-shaped mount 3 and a jack screw 5. A guide groove 311 is formed in the top surface of the horizontal plate 31 of the mounting base 3, and the longitudinal direction of the guide groove 311 is perpendicular to the longitudinal direction of the tension-sensitive roller 2. In other embodiments, the longitudinal direction of the guide groove 311 may be set parallel to the axial direction of the tension-sensitive roller 2.

Referring to fig. 8 and 9, the support portion in this embodiment further includes a jacking block 4. The jacking-up blocks 4 are fitted in the guide slots 311 with their tops protruding from the guide slots 311. The jacking screw 5 penetrates through the transverse plate 31 and extends out of the guide groove 311, and the top of the jacking screw abuts against the bottom surface of the jacking block 4. In other embodiments, a limiting hole for inserting the top end of the jacking screw 5 may be formed in the bottom surface of the lifting block 6. The top surface of the jacking block 4 is provided with an arc-shaped clamping groove 41 for clamping the tension induction roller 2. In order not to influence the rotation of the tension induction roller 2, a plurality of balls 411 are evenly embedded on the side wall of the arc-shaped clamping groove 41.

The working principle of embodiment 2 is similar to that of embodiment 1: screw jacking screw 5 and order about jacking piece 4 and shift up, exert vertical direction jacking effort upwards to tension induction roller 2 with the help of jacking piece 4 for the tension lower limit that inductor 21 can the perception improves, and 16 rotational speed upper limits of doffing roller correspondingly descend, and the cropping is safer, is difficult for dragging the damage surface fabric.

Example 3

Example 3 differs from example 1 only in that: the support portions differ in their construction.

Referring to fig. 10 and 11, the support portion includes a lifting block 6, a mounting block 7 and a movable block 8 which are sequentially arranged from bottom to top at intervals. Wherein the mounting block 7 is fixed to the top surface of the cross beam 12. And guide rods 61 are fixed at two ends of the lifting block 6, and arc-shaped grooves 62 for the tension sensing rollers 2 to be clamped are formed in the top surfaces of the lifting block. The guide rod 61 is perpendicular to the top surface of the lifting block 6, and the top end of the guide rod penetrates through the mounting block 7 and is fixedly connected with the movable block 8. The lifting block 6 is positioned below the tension sensing roller 2, and the movable block 8 is positioned right above the mounting block 7. An adjusting bolt 9 is inserted in the middle of the movable block 8, the adjusting bolt 9 is arranged in the direction parallel to the guide rod 61, and the bottom end of the adjusting bolt abuts against the top surface of the mounting block 7.

The working principle of embodiment 3 is similar to that of embodiment 1: the adjusting bolt 9 is rotated to change the relative position between the movable block 8 and the mounting block 7, and the lifting block 6 is lifted by means of the guide rod 61. The lifting block 6 applies a vertically upward jacking acting force to the tension induction roller 2, so that the lower limit value of the tension which can be detected by the sensor 21 is increased, correspondingly, the highest rotating speed of the cloth dropping roller 16 is reduced, and the fabric is not easy to pull and damage during cloth dropping.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a prevent dragging damage cropping device, includes cropping frame (1), be equipped with tension response roller (2), cropping roller (16) on cropping frame (1) and be used for driving motor (17) of cropping roller (16), driving motor (17) are connected with the controller, the controller is connected with and is used for detecting inductor (21) that tension response roller (2) tip received the tension size, its characterized in that: and the cloth dropping frame (1) is provided with a supporting part for applying an acting force vertical to the axial direction of the tension induction roller (2) to the tension induction roller (2) along the vertical direction.

2. The rip-damage preventing cropping device as recited in claim 1, wherein: the supporting part applies acting force to the tension induction roller (2) from bottom to top.

3. The rip-damage preventing cropping device as recited in claim 2, wherein: the supporting part comprises a mounting seat (3) fixed on the cloth dropping frame (1) and a jacking screw rod (5) in threaded connection with the mounting seat (3).

4. The rip-damage preventing cropping device as recited in claim 3, wherein: the supporting part further comprises a jacking block (4), and the jacking block (4) is arranged between the tension induction roller (2) and the jacking screw rod (5).

5. The rip-damage preventing cropping device as recited in claim 4, wherein: and the top surface of the jacking block (4) is provided with an arc-shaped clamping groove (41) for clamping the tension induction roller (2).

6. The rip-damage preventing cropping device as recited in claim 5, wherein: the mounting base (3) is provided with a guide groove (311) for the jacking block (4) to be clamped in, and the jacking screw rod (5) penetrates out of the guide groove (311).

7. The rip-damage preventing cropping device as recited in claim 5, wherein: and a plurality of balls (411) are embedded in the groove wall of the arc-shaped clamping groove (41).

8. A rip-damage fall preventing device according to any one of claims 3 to 7, wherein: the mounting seat (3) comprises a transverse plate (31) and a vertical plate (32) which is perpendicular to the transverse plate (31), and the vertical plate (32) is arranged on one side of the transverse plate (31); the vertical plate (32) is fixed on the cropping frame (1); the jacking screw rod (5) penetrates through the transverse plate (31).

9. The rip-damage preventing cropping device as recited in claim 2, wherein: the supporting part comprises a lifting block (6), a mounting block (7) and a movable block (8); the lifting block (6) is positioned below the tension induction roller (2), and two ends of the lifting block (6) are connected with guide rods (61); the mounting block (7) is fixed at the top of the cropping frame (1) and is positioned above the tension induction roller (2), and the guide rod (61) penetrates through the mounting block (7); the movable block (8) is positioned above the mounting block (7), and two ends of the movable block are respectively connected with the two guide rods (61); adjusting bolts (9) are inserted on the movable blocks (8), and the end parts of the adjusting bolts (9) are abutted to the mounting blocks (7).

10. The rip-damage preventing cropping device as recited in claim 9, wherein: and the top surface of the lifting block (6) is provided with an arc-shaped groove (62) for the tension sensing roller (2) to be clamped in.