Anti-back-rolling cloth rolling device of circular knitting machine

Abstract

The utility model discloses a circular knitting machine anti-back-rolling cloth rolling device which comprises a supporting frame, first installation grooves are formed in the two ends of the side wall of the supporting frame, detachable cloth rolling rollers are installed in the first installation grooves, one end of each cloth rolling roller penetrates through the side wall of the supporting frame to be connected with a first gear, the first gear is connected with an anti-back-rolling assembly in a meshed mode, and the first gear is connected with a second gear in a meshed mode. The anti-back-rolling assembly comprises a large gear which is arranged on the supporting frame and is in transmission connection with the first gear, a first ratchet wheel and a second ratchet wheel which are coaxial with the large gear are further fixedly installed on the large gear, and a mechanism box is arranged below the ratchet wheels. By arranging the first ratchet wheel and the second ratchet wheel of which the ratchet rotation directions are opposite and the first pawl and the second pawl which can be switched through the switching mechanism, forward and reverse rotation anti-back-rolling modes of the cloth roller can be rapidly switched, the switching mechanism adopts a connecting rod linkage type design, the switching operation is simple and efficient, and the improvement of the cloth rolling efficiency is facilitated.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of cloth winding equipment, in particular to a large circular knitting machine anti-reverse winding cloth device. BACKGROUND

[0002] The cloth winding device is an important component of textile machinery, and its main function is to wind the fabric or cloth into a roll for subsequent storage, transportation or processing.

[0003] In the existing cloth winding process, the cloth winding roller may be reversed due to mechanical inertia or external interference, causing the cloth to loosen or be damaged. The existing cloth winding device usually lacks effective anti-reverse winding function, or cannot flexibly switch and adjust the limiting direction of anti-reverse in different rotation directions, thereby affecting the cloth winding quality and efficiency.

[0004] Therefore, we propose a large circular knitting machine anti-reverse winding cloth device to solve the existing problems. CONTENT OF THE INVENTION

[0005] The purpose of the present application is to provide a large circular knitting machine anti-reverse winding cloth device to solve the problems raised in the background art.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a large circular knitting machine anti-reverse winding cloth device, comprising a support frame, the support frame side wall two ends are provided with a first installation slot, the first installation slot is installed with a detachable cloth winding roller, one end of the cloth winding roller passes through the support frame side wall and is connected with a first gear, the first gear is connected with an anti-reverse winding assembly, the anti-reverse winding assembly comprises a large gear arranged on the support frame and in transmission connection with the first gear, a first ratchet wheel and a second ratchet wheel coaxial with the large gear are also fixedly installed on the large gear, a mechanism box is arranged below the ratchet wheel, a first pawl and a second pawl are slidingly installed in the mechanism box, and elastic elements are arranged between the first pawl, the second pawl and the mechanism box, the first pawl and the second pawl are respectively matched with the first ratchet wheel and the second ratchet wheel through the corresponding elastic elements, limit pins are respectively fixed on the front end faces of the first pawl and the second pawl, a switching mechanism is arranged at the front end of the mechanism box, a stop rod is drivingly connected to the switching mechanism, and the stop rod is selectively abutted with any one of the limit pins of the first pawl and the second pawl.

[0007] Preferably, the first ratchet wheel and the second ratchet wheel are provided with ratchet teeth with opposite rotation directions.

[0008] Preferably, two opposite sliding grooves are arranged in the mechanism box, the first pawl and the second pawl are slidingly installed in the two sliding grooves respectively, elastic elements are arranged between the first pawl, the second pawl and the bottom wall of the corresponding sliding groove, and the first pawl and the second pawl are installed alternately.

[0009] Preferably, the side end of the support frame is provided with a cover mechanism box and a protective cover of the ratchet wheel, the protective cover is provided with two first guide grooves corresponding to the first ratchet wheel and the second ratchet wheel in parallel, and the top end of the limiting pin is connected with the first guide groove in sliding mode.

[0010] Preferably, the switching mechanism comprises a bottom plate connected with the protective cover, a reversing seat is hingedly arranged at the center of the bottom plate, connecting rods are hingedly arranged at the two side ends of the reversing seat, stop rods are hingedly arranged at the ends of the connecting rods, guide seats are symmetrically arranged at the two side ends of the bottom plate, the stop rods are connected with the guide seats in sliding mode, and a push rod is fixedly arranged at the top end of the reversing seat.

[0011] Preferably, the two ends of the cloth rolling roller are provided with first sliding blocks, the first sliding blocks are connected with the first mounting grooves in sliding mode, the top end of the first sliding block is provided with a fixed rod, the opening of the first mounting groove is provided with a detachable connecting plate, and one end of the fixed rod is connected with the connecting plate in threaded mode.

[0012] Preferably, the other end of the cloth rolling roller away from the first gear is provided with a pulley through the support frame, the bottom of the support frame is fixedly provided with a driving motor, the output end of the driving motor is sleeved with a synchronous belt, and the other end of the synchronous belt is drivingly connected with the pulley.

[0013] Preferably, the two ends of the support frame are provided with second mounting grooves arranged in longitudinal mode, and at least two groups of guide rollers are connected with the second mounting grooves in sliding mode.

[0014] Preferably, the two ends of the guide roller are connected with second sliding blocks, and the second sliding blocks are connected with the second mounting grooves in sliding mode.

[0015] Preferably, the side wall of the second mounting groove is provided with a second guide groove, an adjusting bolt is connected with the second guide groove in sliding mode, and one end of the adjusting bolt is connected with the second sliding block in threaded mode.

[0016] Compared with the prior art, the large circular machine anti-reverse cloth rolling device has the following beneficial effects:

[0017] 1. The first ratchet wheel and the second ratchet wheel with opposite rotation directions and the first ratchet claw and the second ratchet claw capable of being switched through the switching mechanism can quickly switch the forward and reverse rotation anti-reverse cloth rolling mode of the cloth rolling roller, the switching mechanism adopts a connecting rod linkage type design, the switching operation is simple and efficient, and the cloth rolling efficiency is improved.

[0018] 2. The fabric roll of this utility model adopts a slider-type detachable installation, which, together with the threaded fixing rod, enables quick disassembly and assembly, facilitating maintenance and fabric roll replacement. At the same time, the guide rollers can be adjusted in spacing through sliders and adjusting bolts to meet the guiding needs of fabrics of different thicknesses and avoid fabric wrinkles and deviation.

[0019] 3. The anti-rollback assembly of this utility model amplifies the braking torque through multi-stage gear transmission. Combined with the sealed guiding structure of the protective cover and guide groove, it ensures precise engagement between the ratchet and the pawl. At the same time, the protective cover isolates fiber dust, extending the service life of the mechanism. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0021] Figure 2 This is a three-dimensional structural schematic diagram of the present invention (second perspective).

[0022] Figure 3 This is a schematic diagram showing the connection between the anti-rollback mechanism and the support frame of this utility model;

[0023] Figure 4 This is a side view of the anti-rollback mechanism of this utility model;

[0024] Figure 5 This is a three-dimensional structural diagram illustrating the positional relationship between the ratchet and pawl of this utility model;

[0025] Figure 6 This is a schematic diagram showing the installation relationship between the protective cover and the switching mechanism of this utility model.

[0026] Figure 7 For the present utility model Figure 2 Enlarged schematic diagram of a portion of the structure at point A;

[0027] Figure 8 For the present utility model Figure 6 A partially enlarged schematic diagram of the switching mechanism at point B.

[0028] In the diagram: 1. Support frame; 11. First mounting slot; 12. Connecting plate; 2. Anti-rollback assembly; 21. Large gear; 22. First ratchet; 23. Second ratchet; 24. Mechanism box; 25. First pawl; 26. Second pawl; 27. Elastic element; 28. Limit pin; 29. ​​Protective cover; 291. First guide slot; 3. Switching mechanism; 31. Reversing seat; 32. Connecting rod; 33. Stop bar; 34. Guide seat; 35. Lever; 4. Fabric rolling roller; 41. First slider; 42. First gear; 43. Pulley; 5. Drive motor; 6. Fixed rod; 7. Second mounting slot; 71. Second guide slot; 8. Guide roller; 81. Second slider; 82. Adjusting bolt. DETAILED DESCRIPTION

[0029] In order to better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work should fall within the scope of protection of the present application.

[0030] It should be noted that the terms "first", "second", and the like in the description and claims of the present application and the above-described drawings are used to distinguish similar objects, and do not necessarily indicate a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented. In addition, the terms "comprise" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device comprising a series of steps or units does not necessarily limit to those clearly listed steps or units, but can include other steps or units not clearly listed or inherent to the process, method, product or device.

[0031] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not intended to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0032] In addition, in addition to indicating the orientation or positional relationship, the above-mentioned part of the terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain dependent relationship or connection relationship in some cases. For those skilled in the art, the specific meaning of these terms in the present application can be understood according to the specific circumstances.

[0033] In addition, the meaning of the term "a plurality of" should be two and more than two.

[0034] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments. Embodiments

[0035] As Figures 1 to 8As shown, a kind of large circle machine anti-reverse winding device, including support frame 1, first installation slot 11 is equipped in the both ends of support frame 1 side wall, detachable winding roller 4 is installed in first installation slot 11, one end of winding roller 4 is connected with first gear 42 by passing through support frame 1 side wall, first gear 42 is engaged with anti-reverse winding assembly 2, anti-reverse winding assembly 2 includes large gear 21 being arranged on support frame 1 and being transmission connection with first gear 42, first ratchet wheel 22 and second ratchet wheel 23 coaxial with large gear 21 are also fixedly installed on large gear 21, mechanism box 24 is equipped below ratchet wheel, first pawl 25 and second pawl 26 are slidably installed in mechanism box 24, and elastic member 27 is equipped between first pawl 25, second pawl 26 and mechanism box 24, first pawl 25 and second pawl 26 are respectively matched with first ratchet wheel 22 and second ratchet wheel 23 by the elastic force of corresponding elastic member 27, and limit pin 28 is respectively fixed on the front end surface of first pawl 25 and second pawl 26, the front end of mechanism box 24 is equipped with switching mechanism 3, and drive connection has stop lever 33 on switching mechanism 3, and stop lever 33 can selectively abut against any one limit pin 28 of first pawl 25 and second pawl 26, when using, winding roller 4 is connected with anti-reverse winding assembly 2 by first gear 42, anti-reverse winding assembly 2 includes large gear 21, first ratchet wheel 22, second ratchet wheel 23, first pawl 25 and second pawl 26, first pawl 25 and second pawl 26 are respectively matched with first ratchet wheel 22 and second ratchet wheel 23 by the elastic force of corresponding elastic member 27, and one-way transmission is realized, winding roller 4 is prevented from reversing, and stop lever 33 is selectively abutted against the limit pin 28 of first pawl 25 and second pawl 26 by switching mechanism 3, so as to control the clamping of first pawl 25 and first ratchet wheel 22 or the clamping of second pawl 26 and second ratchet wheel 23 according to actual demand, so as to respond to the anti-reverse operation of winding roller 4 in different rotating directions.

[0036] Further, the outer periphery of first ratchet wheel 22 and second ratchet wheel 23 is equipped with ratchet teeth in opposite rotating directions, when using, ensure that ratchet wheel can be matched with corresponding pawl under winding roller 4 in different rotating directions, realize the one-way rotation of winding roller 4, and prevent winding roller 4 from reversing when winding cloth.

[0037] Further, two oppositely arranged sliding grooves are provided in mechanism box 24, first pawl 25 and second pawl 26 are slidably installed in the two sliding grooves respectively, elastic member 27 is provided between first pawl 25, second pawl 26 and the bottom wall of corresponding sliding groove, first pawl 25 and second pawl 26 are staggered installed, when using, avoid the interference between first pawl 25 and second pawl 26.

[0038] Further, the side end of the support frame 1 is provided with a cover mechanism box 24 and a protective cover 29 of the ratchet wheel, the protective cover 29 is provided with two first guide grooves 291 corresponding to the first ratchet wheel 22 and the second ratchet wheel 23 respectively, the top end of the limiting pin 28 penetrates through the first guide groove 291 and is in sliding connection with the first guide groove 291, in use, the limiting pin 28 penetrates through the protective cover 29 and is connected with the switching mechanism 3, so that the switching mechanism 3 controls the sliding of the stop rod 33 to select any one of the first ratchet pawl 25 and the second ratchet pawl 26, so that the other ratchet pawl can be connected with the corresponding ratchet wheel under the pushing action of the elastic member 27, realizing the one-way transmission of the cloth winding roller 4, in the use process, the anti-reverse winding assembly 2 and the mechanism box 24 are also filled with lubricating grease, the protective cover 29 is arranged to block the fiber from entering the anti-reverse winding assembly 2 and the mechanism box 24 to mix with the lubricating grease, so as to cause the lubricating grease to be hardened into blocks and affect the normal operation of the equipment.

[0039] Further, the switching mechanism 3 includes a bottom plate connected with the protective cover 29, a reversing seat 31 is hingedly installed at the center of the bottom plate, connecting rods 32 are hingedly connected at the two side ends of the reversing seat 31, stop rods 33 are hingedly connected at the ends of the two end connecting rods 32, guide seats 34 are symmetrically arranged at the two side ends of the bottom plate, the two end stop rods 33 respectively penetrate through the corresponding one end guide seat 34 and are in sliding connection with the guide seat 34, a push rod 35 is fixedly installed at the top end of the reversing seat 31, when the push rod 35 is pushed, the reversing seat 31 rotates, one end of the stop rod 33 connected at the two ends of the reversing seat 31 is pushed out to abut against the limiting pin 28 after the reversing seat 31, and the other end is pulled back by the connecting rod 32, so as to release the corresponding one end ratchet pawl, so that the ratchet pawl is connected with the corresponding ratchet wheel.

[0040] Further, the two ends of the cloth winding roller 4 are provided with first sliding blocks 41, the first sliding blocks 41 are in sliding connection with the first installation slot 11, the top end of the first sliding block 41 is provided with a fixed rod 6, a detachable connecting plate 12 is installed at the opening of the first installation slot 11, one end of the fixed rod 6 penetrates through the connecting plate 12 and is in threaded connection with the connecting plate 12, in use, the two ends of the cloth winding roller 4 are in sliding connection with the first installation slot 11 through the first sliding blocks 41, the fixed rod 6 penetrates through the connecting plate 12 and is fixed by screwing, by rotating the fixed rod 6, one end of the fixed rod 6 penetrates through the connecting plate 12 to push down the first sliding block 41 and tightly connect and install the first sliding block 41 with the bottom wall of the first installation slot 11.

[0041] Further, the other end of the cloth winding roller 4 away from the first gear 42 penetrates through the support frame 1 and is provided with a pulley 43, a driving motor 5 is fixed at the bottom of the support frame 1, a synchronous belt is sleeved on the output end of the driving motor 5, the other end of the synchronous belt is drivingly connected with the pulley 43, in use, the driving motor 5 drives the cloth winding roller 4 to rotate through the synchronous belt, realizing the cloth winding function.

[0042] Further, the second installation groove 7 is provided with a second guide groove 71 on the side wall, the second guide groove 71 is slidably connected with an adjusting bolt 82, one end of the adjusting bolt 82 is connected with the second sliding block 81 through the second guide groove 71 by screwing, in use, by screwing the adjusting bolt 82, the other end of the adjusting bolt 82 gradually penetrates into the second sliding block 81, so that the other end of the adjusting bolt 82 located outside the second guide groove 71 gradually approaches and abuts against the side wall end face of the second installation groove 7, thereby fixing the second sliding block 81 on the second guide groove 71, and the second sliding block 81 is used for guiding the cloth.

[0043] Further, the second installation groove 7 is provided with a second guide groove 71 on the side wall, the second guide groove 71 is slidably connected with an adjusting bolt 82, one end of the adjusting bolt 82 is connected with the second sliding block 81 through the second guide groove 71 by screwing, in use, by screwing the adjusting bolt 82, the other end of the adjusting bolt 82 gradually penetrates into the second sliding block 81, so that the other end of the adjusting bolt 82 located outside the second guide groove 71 gradually approaches and abuts against the side wall end face of the second installation groove 7, thereby fixing the second sliding block 81 on the second guide groove 71, and the second sliding block 81 is used for guiding the cloth.

[0044] Further, the second installation groove 7 is provided with a second guide groove 71 on the side wall, the second guide groove 71 is slidably connected with an adjusting bolt 82, one end of the adjusting bolt 82 is connected with the second sliding block 81 through the second guide groove 71 by screwing, in use, by screwing the adjusting bolt 82, the other end of the adjusting bolt 82 gradually penetrates into the second sliding block 81, so that the other end of the adjusting bolt 82 located outside the second guide groove 71 gradually approaches and abuts against the side wall end face of the second installation groove 7, thereby fixing the second sliding block 81 on the second guide groove 71, and the second sliding block 81 is used for guiding the cloth.

[0045] The working principle of the utility model is: the utility model is provided with a detachable cloth winding roller 4 on the support frame 1, when winding the cloth, the cloth is connected with the cloth winding roller 4 after passing between the two guide rollers 8, the cloth winding roller 4 is driven by the driving motor 5 through the synchronous belt, the cloth winding roller 4 is connected with the anti-reverse winding assembly 2 through the first gear 42, in order to increase the anti-reverse winding braking effect of the anti-reverse winding assembly 2 on the cloth winding roller 4, a pinion is further connected between the first gear 42 and the anti-reverse winding assembly 2, the anti-reverse winding assembly 2 is composed of a large gear 21, a first ratchet wheel 22 and a second ratchet wheel 23 with two ratchets in opposite directions, and a first pawl 25 and a second pawl 26, the first pawl 25 and the second pawl 26 are respectively clamped with the first ratchet wheel 22 and the second ratchet wheel 23 under the pushing of the corresponding elastic member 27 to realize the one-way rotation of the cloth winding roller 4, the switching mechanism 3 drives the stop rod 33 to select any one of the first ratchet wheel 22 and the second ratchet wheel 23 to be clamped with the first ratchet wheel 22 or the second ratchet wheel 23, so as to adapt to the anti-reverse operation of the cloth winding roller 4 in different rotating directions, the guide roller 8 is used for guiding the cloth movement when winding the cloth, ensuring the winding quality and the spacing of the two guide rollers 8 can be flexibly adjusted by the adjusting bolt 82 and fixed with the second installation groove 7.

[0046] The above specific embodiments are only preferred embodiments of the utility model, based on the technical scheme of the utility model and the related inspiration of the above embodiments, the person skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

Claims

1. A large circular knitting machine anti-reverse winding fabric device comprising a support frame (1), characterized in that: The support frame (1) is provided with a first installation slot (11) at both ends of the side wall, and a detachable cloth roller (4) is installed in the first installation slot (11), one end of the cloth roller (4) is connected with a first gear (42) penetrating through the side wall of the support frame (1), the first gear (42) is connected with an anti-reverse winding assembly (2), the anti-reverse winding assembly (2) comprises a large gear (21) arranged on the support frame (1) and in transmission connection with the first gear (42), a first ratchet wheel (22) and a second ratchet wheel (23) coaxial with the large gear (21) are further fixedly installed on the large gear (21), a mechanism box (24) is arranged below the ratchet wheels, a first pawl (25) and a second pawl (26) are slidably installed in the mechanism box (24), and elastic elements (27) are arranged between the first pawl (25), the second pawl (26) and the mechanism box (24), the first pawl (25) and the second pawl (26) are respectively clamped with the first ratchet wheel (22) and the second ratchet wheel (23) by the corresponding elastic elements (27), and limit pins (28) are respectively fixed on the front end faces of the first pawl (25) and the second pawl (26), a switching mechanism (3) is arranged at the front end of the mechanism box (24), and a blocking rod (33) is drivingly connected to the switching mechanism (3), and the blocking rod (33) is selectively abutted against any one limit pin (28) of the first pawl (25) and the second pawl (26).

2. A reverse roll prevention device for a circular knitting machine according to claim 1, characterized in that: The first ratchet wheel (22) and the second ratchet wheel (23) are provided with ratchet teeth rotating in opposite directions.

3. A reverse roll prevention device for a circular knitting machine according to claim 2, characterized in that: The mechanism box (24) is provided with two oppositely arranged sliding grooves, the first pawl (25) and the second pawl (26) are slidably installed in the two sliding grooves, and the elastic elements (27) are arranged between the first pawl (25), the second pawl (26) and the bottom wall of the corresponding sliding groove, and the first pawl (25) and the second pawl (26) are installed alternately.

4. A reverse roll prevention device for a circular knitting machine according to claim 3, characterized in that: A protective cover (29) covering the mechanism box (24) and the ratchet wheels is installed at the side end of the support frame (1), the protective cover (29) is provided with two first guide grooves (291) corresponding to and parallel to the first ratchet wheel (22) and the second ratchet wheel (23), and the limit pin (28) penetrates through the first guide groove (291) and is slidably connected with the first guide groove (291).

5. A reverse roll prevention device for a circular knitting machine according to claim 4, characterized in that: The switching mechanism (3) comprises a bottom plate connected with the protective cover (29), a reversing seat (31) is hingedly installed at the center of the bottom plate, connecting rods (32) are hingedly connected to both sides of the reversing seat (31), and blocking rods (33) are hingedly connected to the ends of the connecting rods (32), guide seats (34) are symmetrically arranged at both sides of the bottom plate, the blocking rods (33) at both ends penetrate through the corresponding guide seats (34) and are slidably connected with the guide seats (34), and a push rod (35) is fixedly installed at the top end of the reversing seat (31).

6. A reverse roll prevention device for a circular knitting machine according to claim 5, characterized in that: The both ends of the cloth roller (4) are provided with first sliding blocks (41), the first sliding blocks (41) are slidably connected with first installation slots (11), the top ends of the first sliding blocks (41) are provided with fixed rods (6), the openings of the first installation slots (11) are provided with detachable connecting plates (12), one end of the fixed rod (6) penetrates through the connecting plate (12) and is threadedly connected with the connecting plate (12).

7. A reverse roll preventing device for a circular knitting machine according to claim 1, characterized in that: The other end of the cloth roller (4) away from the first gear (42) is provided with a pulley (43) penetrating through the support frame (1), the bottom of the support frame (1) is fixedly provided with a driving motor (5), the output end of the driving motor (5) is sleeved with a synchronous belt, the other end of the synchronous belt is drivingly connected with the pulley (43).

8. A reverse roll prevention device for a circular knitting machine according to claim 1, characterized in that: The both ends of the inner side wall of the support frame (1) are provided with second installation slots (7) arranged in longitudinal direction, at least two groups of guide rollers (8) are slidably connected in the second installation slots (7).

9. A reverse roll prevention device for a circular knitting machine according to claim 8, characterized in that: The both ends of the guide rollers (8) are connected with second sliding blocks (81), the second sliding blocks (81) are slidably connected with the second installation slots (7).

10. A reverse roll prevention device for a circular knitting machine according to claim 9, characterized in that: The side walls of the second installation slots (7) are provided with second guide grooves (71), adjusting bolts (82) are slidably connected in the second guide grooves (71), one end of the adjusting bolts (82) penetrates through the second guide grooves (71) and is threadedly connected with the second sliding blocks (81).

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