Winding and tensioning mechanism of coating machine

Abstract

The utility model discloses a winding and tensioning mechanism of a coating machine, which relates to the technical field of coating machines and comprises an adjusting component, and a plurality of tensioning rollers are uniformly arranged on the inner side of the adjusting component. A driving assembly is arranged on one side of the adjusting assembly, and a plurality of redirection rollers are arranged between the driving assembly and the adjusting assembly; a limiting assembly is arranged on the side, away from the adjusting assembly, of the driving assembly. A winding assembly is arranged on the side, away from the driving assembly, of the limiting assembly. The adjusting assembly comprises two side plates, and the multiple tensioning rollers are located between the two side plates. A plurality of movable grooves are formed in the two side plates; materials penetrate through gaps among the multiple tensioning rollers, the multiple tensioning rollers play a role in improving the tension of the materials, the materials are prevented from being deformed or folded in the moving process, and it is guaranteed that the materials are flat; the tensioning rollers can move in the movable grooves by loosening bolts for connecting the connecting bearings with the side plates, so that the distance between the multiple tensioning rollers is changed, and the tension of materials is changed.

Description

Technical Field

[0001] This utility model relates to the field of coating machine technology, specifically a winding and tensioning mechanism for a coating machine. Background Technology

[0002] A coating machine is a device that evenly coats the surface of various substrates such as paper, film, metal foil, and fabric with coating materials such as paste or liquid paint, glue, and ink. It is widely used in many industries such as packaging, printing, electronics, and building materials.

[0003] Chinese Patent Publication No. CN 211545424 U discloses a winding device for a coating machine, which includes a frame, on which two opposing rotating disks are rotatably connected. The rotating disks are driven to rotate by a rotating motor, and two winding rollers are installed on the rotating disks. The winding rollers are driven to rotate by a drive motor, and the two winding rollers are symmetrically arranged around the center position of the rotating disks.

[0004] The aforementioned coating machine winding device uses a motor to drive the winding roller for winding. However, during the winding process of materials such as fabric, when the material transfer distance is long, the material may deform or even fold due to insufficient tension. Deformed or folded material will seriously affect the quality and grade of the material after being wound. The aforementioned coating machine winding device cannot improve the tension of the material and cannot prevent the material from deforming during movement. Utility Model Content

[0005] The purpose of this invention is to provide a winding tensioning mechanism for a coating machine, which utilizes multiple tensioning rollers working together to increase the tension of the material. Furthermore, the multiple tensioning rollers can change their positions laterally, thereby changing the spacing between each tensioning roller. This allows the tension of the material to be adjusted according to the specific needs of the work, thus solving the technical problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A winding tensioning mechanism for a coating machine includes an adjusting component, on the inner side of which a plurality of tensioning rollers are evenly arranged; a driving component is provided on one side of the adjusting component, and a plurality of redirecting rollers are provided between the driving component and the adjusting component; a limiting component is provided on the side of the driving component away from the adjusting component, and a winding component is provided on the side of the limiting component away from the driving component.

[0008] The adjustment assembly includes two side plates, with multiple tension rollers located between the two side plates; each side plate is provided with multiple movable grooves, and the central shafts at both ends of the multiple tension rollers are respectively located in the multiple movable grooves; the central shafts at both ends of the multiple tension rollers are respectively rotatably connected to multiple connecting bearings; the multiple connecting bearings are respectively located on the outer sides of the two side plates; multiple threaded holes for connecting with the connecting bearings are evenly provided on the two side plates, and the multiple threaded holes are respectively located on both sides of the multiple movable grooves;

[0009] The limiting component includes a lead screw, the two ends of which are threadedly connected to two threaded seats respectively; a slide is fixedly connected to the top of each of the two threaded seats, and a connecting frame is symmetrically fixedly connected to the top two ends of each of the two slides; and a vertically arranged limiting wheel is rotatably connected to the inner side of each of the multiple connecting frames.

[0010] As a further technical solution of this utility model, the driving assembly includes a driving roller, and a pressure roller is provided above the driving roller; the two ends of the driving roller are respectively rotatably connected to two support frames; the two ends of the pressure roller are respectively rotatably connected to two movable seats, and the two movable seats are respectively slidably connected to the inner side of the upper end of the two support frames.

[0011] As a further technical solution of this utility model, one end of the drive roller is coaxially and fixedly connected to the driven synchronous wheel. The driven synchronous wheel is provided with an active synchronous wheel on one side, and the active synchronous wheel is connected to the driven synchronous wheel through a synchronous belt. The active synchronous wheel is coaxially and fixedly connected to the output shaft of the motor. The top middle of the two movable seats is fixedly connected to the telescopic rods of the two cylinders, and the two cylinders are fixedly connected to the top middle of the two support frames.

[0012] As a further technical solution of this utility model, the bottoms of the two support frames are respectively fixedly connected to the top two sides of the base frame; the bottom of the motor is fixedly connected to the top of the end of the base frame near the support frame; and the two side plates are respectively fixedly connected to the two sides of the end of the base frame away from the support frame.

[0013] As a further technical solution of this utility model, the winding assembly includes a winding roller located inside the support frame three; both ends of the support frame three are provided with through grooves, the central shafts of both ends of the winding roller are respectively located in the two through grooves, and both ends of the winding roller are rotatably connected to bearing seats, and the two bearing seats are respectively fixedly connected to both ends of the support frame three.

[0014] As a further technical solution of this utility model, one end of the take-up roller extends to the outside of the support frame three and is coaxially and fixedly connected to the coupling; the end of the coupling away from the take-up roller is fixedly connected to the output end of the reducer, and the input end of the reducer is fixedly connected to the output shaft of the motor two; the top of the reducer is fixedly connected to the L-shaped frame, and one side of the L-shaped frame is fixedly connected to the support frame three.

[0015] As a further technical solution of this utility model, both ends of the lead screw are rotatably connected to the second support frame, and one end of the lead screw extends to the outside of the second support frame and is fixedly connected to the handwheel on the same axis.

[0016] As a further technical solution of this utility model, the top two sides of the support frame two are fixedly connected to guide rails, and the two ends of the two slides are respectively slidably connected to the two guide rails; the support frame two is fixedly connected to the top of the base frame two.

[0017] As a further technical solution of this utility model, a front auxiliary wheel is rotatably connected to one side of the top of the second support frame, and a plurality of rear auxiliary wheels are rotatably connected to the other side. A pad is provided between the front auxiliary wheel and the rear auxiliary wheel, and the pad is fixedly connected to the top of the second support frame.

[0018] Compared with the prior art, the beneficial effects of this utility model are:

[0019] 1. In this utility model, the material passes through the gap between multiple tension rollers. The multiple tension rollers play a role in increasing the tension of the material, preventing the material from deforming or folding during movement, and ensuring the flatness of the material. By loosening the bolts connecting the bearing and the side plate, the tension rollers can be moved in the movable groove, thereby changing the spacing between the multiple tension rollers and thus changing the tension of the material.

[0020] 2. In this utility model, multiple limiting wheels are located on both sides of the material. The multiple limiting wheels play the role of restricting the material and preventing the material from deviating during movement. By rotating the handwheel, the lead screw can be rotated, thereby allowing the two slides to move laterally and changing the distance between the limiting wheels, so that the limiting wheels can limit materials of different widths. Attached Figure Description

[0021] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0022] Figure 2 This utility model Figure 1 Another perspective view.

[0023] Figure 3 This utility model Figure 1 A partial structural diagram.

[0024] Figure 4 This utility model Figure 3 Side view.

[0025] Figure 5 This utility model Figure 2 A partial structural diagram.

[0026] Figure 6This utility model Figure 5 Another perspective view.

[0027] Figure 7 This is a three-dimensional structural diagram of the limiting component of this utility model.

[0028] Figure 8 This utility model Figure 7 A bottom view.

[0029] In the diagram: 1-Tensioning roller, 2-Adjusting assembly, 3-Connecting bearing, 4-Base frame one, 5-Redirecting roller, 6-Drive assembly, 7-Limiting assembly, 8-Rewinding assembly, 9-Support, 10-Base frame two;

[0030] 21-Side plate, 22-Modible groove, 23-Threaded hole, 61-Drive roller, 62-Pressure roller, 63-Support frame one, 64-Driven synchronous pulley, 65-Driven synchronous pulley, 66-Motor one, 67-Synchronous belt, 68-Cylinder, 69-Modible seat, 71-Screw, 72-Handwheel, 73-Threaded seat, 74-Slide seat, 75-Connecting seat, 76-Connecting frame, 77-Limiting wheel, 78-Front auxiliary wheel, 79-Rear auxiliary wheel, 70-Pad plate, 710-Support frame two, 711-Guide rail, 81-Take-up roller, 82-Support frame three, 83-L-shaped frame, 84-Reducer, 85-Motor two, 86-Through groove, 87-Coupling. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] Please see Figure 1-8 In this embodiment of the present invention, a winding tensioning mechanism for a coating machine includes an adjusting component 2, wherein a plurality of tensioning rollers 1 are evenly arranged on the inner side of the adjusting component 2; a driving component 6 is provided on one side of the adjusting component 2, and a plurality of redirecting rollers 5 are provided between the driving component 6 and the adjusting component 2; a limiting component 7 is provided on the side of the driving component 6 away from the adjusting component 2, and a winding component 8 is provided on the side of the limiting component 7 away from the driving component 6.

[0033] The adjustment assembly 2 includes two side plates 21, and a plurality of tension rollers 1 are located between the two side plates 21; each of the two side plates 21 is provided with a plurality of movable grooves 22, and the central shafts at both ends of the plurality of tension rollers 1 are respectively located in the plurality of movable grooves 22; the central shafts at both ends of the plurality of tension rollers 1 are respectively rotatably connected to a plurality of connecting bearings 3; the plurality of connecting bearings 3 are respectively located on the outer side of the two side plates 21; the two side plates 21 are evenly provided with a plurality of threaded holes 23 for connecting with the connecting bearings 3, and the plurality of threaded holes 23 are respectively located on both sides of the plurality of movable grooves 22;

[0034] The limiting component 7 includes a lead screw 71, the two ends of which are threadedly connected to two threaded seats 73 respectively; a slide 74 is fixedly connected to the top of each of the two threaded seats 73, and a connecting frame 76 is symmetrically fixedly connected to the top ends of each of the two slides 74; and a vertically arranged limiting wheel 77 is rotatably connected to the inner side of each of the multiple connecting frames 76.

[0035] The drive assembly 6 includes a drive roller 61, and a pressure roller 62 is provided above the drive roller 61; the two ends of the drive roller 61 are rotatably connected to two support frames 63 respectively; the two ends of the pressure roller 62 are rotatably connected to two movable seats 69 respectively, and the two movable seats 69 are slidably connected to the inner side of the upper end of the two support frames 63 respectively.

[0036] One end of the drive roller 61 is coaxially and fixedly connected to the driven synchronous pulley 64. The driven synchronous pulley 64 has a driving synchronous pulley 65 on one side, and the driving synchronous pulley 65 is connected to the driven synchronous pulley 64 through a synchronous belt 67. The driving synchronous pulley 65 is coaxially and fixedly connected to the output shaft of the motor 66. The top middle of the two movable seats 69 is fixedly connected to the telescopic rods of the two cylinders 68, and the two cylinders 68 are fixedly connected to the top middle of the two support frames 63.

[0037] The bottoms of the two support frames 63 are fixedly connected to the top sides of the base frame 4 respectively; the bottom of the motor 66 is fixedly connected to the top of the end of the base frame 4 near the support frame 63; the two side plates 21 are fixedly connected to the sides of the end of the base frame 4 away from the support frame 63 respectively.

[0038] By adopting the above technical solution, the material passes through the gap between multiple tension rollers 1. The multiple tension rollers 1 play a role in increasing the tension of the material, preventing the material from deforming or folding during the movement, and ensuring the flatness of the material. By loosening the bolts connecting the bearing 3 and the side plate 21, the tension roller 1 can be moved in the movable groove 22, thereby changing the spacing between the multiple tension rollers 1 and thus changing the tension of the material.

[0039] In this embodiment, the winding assembly 8 includes a winding roller 81, which is located inside the support frame 82. Both ends of the support frame 82 are provided with through slots 86, and the central shafts of both ends of the winding roller 81 are respectively located in the two through slots 86. Both ends of the winding roller 81 are rotatably connected to bearing seats, and the two bearing seats are respectively fixedly connected to both ends of the support frame 82.

[0040] One end of the take-up roller 81 extends to the outside of the support frame 82 and is coaxially and fixedly connected to the coupling 87; the end of the coupling 87 away from the take-up roller 81 is fixedly connected to the output end of the reducer 84, and the input end of the reducer 84 is fixedly connected to the output shaft of the motor 85; the top of the reducer 84 is fixedly connected to the L-shaped frame 83, and one side of the L-shaped frame 83 is fixedly connected to the support frame 82.

[0041] Both ends of the lead screw 71 are rotatably connected to the second support frame 710, and one end of the lead screw 71 extends to the outside of the second support frame 710 and is fixedly connected to the handwheel 72 on the same axis.

[0042] The support frame 710 has guide rails 711 fixedly connected to both sides of its top, and the two slide blocks 74 are slidably connected to the two guide rails 711 at both ends; the support frame 710 is fixedly connected to the top of the base frame 10.

[0043] The support frame 2 710 has a front auxiliary wheel 78 rotatably connected to one side of its top and multiple rear auxiliary wheels 79 rotatably connected to the other side. A pad 70 is provided between the front auxiliary wheel 78 and the rear auxiliary wheels 79, and the pad 70 is fixedly connected to the top of the support frame 2 710.

[0044] By adopting the above technical solution, multiple limiting wheels 77 are located on both sides of the material. The multiple limiting wheels 77 play the role of restricting the material and preventing the material from deviating during movement. By rotating the handwheel 72, the lead screw 71 can be rotated, thereby allowing the two slides 74 to move laterally and change the distance between the limiting wheels 77, so that the limiting wheels 77 can limit materials of different widths.

[0045] The working principle of this utility model is as follows: the material passes through the gap between multiple tension rollers 1, and the multiple tension rollers 1 play the role of increasing the tension of the material, preventing the material from deforming or folding during the movement, and ensuring the flatness of the material; by loosening the bolts connecting the bearing 3 and the side plate 21, the tension rollers 1 can be moved in the movable groove 22, thereby changing the spacing between the multiple tension rollers 1, and thus changing the tension of the material.

[0046] Multiple limiting wheels 77 are located on both sides of the material. The multiple limiting wheels 77 play the role of restricting the material and preventing the material from deviating during movement. By turning the handwheel 72, the lead screw 71 can be rotated, thereby allowing the two slides 74 to move laterally and change the distance between the limiting wheels 77, so that the limiting wheels 77 can limit materials of different widths.

[0047] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A winding tension mechanism of a coating machine, characterized by: The device includes an adjustment assembly (2), which has a plurality of tension rollers (1) evenly arranged on its inner side; a drive assembly (6) is provided on one side of the adjustment assembly (2), and a plurality of redirecting rollers (5) are provided between the drive assembly (6) and the adjustment assembly (2); a limiting assembly (7) is provided on the side of the drive assembly (6) away from the adjustment assembly (2), and a winding assembly (8) is provided on the side of the limiting assembly (7) away from the drive assembly (6). The adjustment assembly (2) includes two side plates (21), and multiple tension rollers (1) are located between the two side plates (21); multiple movable grooves (22) are provided on both side plates (21), and the central shafts at both ends of the multiple tension rollers (1) are respectively located in the multiple movable grooves (22); the central shafts at both ends of the multiple tension rollers (1) are respectively rotatably connected to multiple connecting bearings (3); the multiple connecting bearings (3) are respectively located on the outside of the two side plates (21); multiple threaded holes (23) for connecting with the connecting bearings (3) are uniformly provided on the two side plates (21), and the multiple threaded holes (23) are respectively located on both sides of the multiple movable grooves (22); The limiting component (7) includes a lead screw (71), the two ends of which are threadedly connected to two threaded seats (73); the top of each of the two threaded seats (73) is fixedly connected to a slide (74), the top ends of each of the two slides (74) are symmetrically fixedly connected to a connecting frame (76), and the inner sides of the multiple connecting frames (76) are rotatably connected to vertically arranged limiting wheels (77).

2. The winding tension mechanism of the coating machine according to claim 1, characterized in that: The drive assembly (6) includes a drive roller (61) with a pressure roller (62) above it; the two ends of the drive roller (61) are rotatably connected to two support frames (63); the two ends of the pressure roller (62) are rotatably connected to two movable seats (69), and the two movable seats (69) are slidably connected to the inner side of the upper end of the two support frames (63).

3. The winding tension mechanism of the coating machine according to claim 2, characterized in that: One end of the drive roller (61) is coaxially fixedly connected to the driven synchronous wheel (64). The driven synchronous wheel (64) has an active synchronous wheel (65) on one side, and the active synchronous wheel (65) is connected to the driven synchronous wheel (64) via a synchronous belt (67). The active synchronous wheel (65) is coaxially fixedly connected to the output shaft of the motor (66). The top middle of the two movable seats (69) is fixedly connected to the telescopic rods of the two cylinders (68), and the two cylinders (68) are fixedly connected to the top middle of the two support frames (63).

4. The winding tensioning mechanism of the coating machine according to claim 3, characterized in that: The bottoms of the two support frames (63) are fixedly connected to the top sides of the base frame (4); the bottom of the motor (66) is fixedly connected to the top of the end of the base frame (4) near the support frame (63); the two side plates (21) are fixedly connected to the sides of the end of the base frame (4) away from the support frame (63).

5. The winding tensioning mechanism of the coating machine according to claim 1, characterized in that: The winding assembly (8) includes a winding roller (81) located inside the support frame three (82); both ends of the support frame three (82) are provided with through slots (86), the central shafts of the two ends of the winding roller (81) are respectively located in the two through slots (86), and both ends of the winding roller (81) are rotatably connected to bearing seats, and the two bearing seats are respectively fixedly connected to the two ends of the support frame three (82).

6. The winding tensioning mechanism of the coating machine according to claim 5, characterized in that: One end of the take-up roller (81) extends to the outside of the support frame three (82) and is coaxially fixedly connected to the coupling (87); the end of the coupling (87) away from the take-up roller (81) is fixedly connected to the output end of the reducer (84), the input end of the reducer (84) is fixedly connected to the output shaft of the motor two (85); the top of the reducer (84) is fixedly connected to the L-shaped frame (83), and one side of the L-shaped frame (83) is fixedly connected to the support frame three (82).

7. The winding tensioning mechanism of the coating machine according to claim 1, characterized in that: Both ends of the lead screw (71) are rotatably connected to the second support frame (710), and one end of the lead screw (71) extends to the outside of the second support frame (710) and is coaxially fixedly connected to the handwheel (72).

8. The winding tensioning mechanism of the coating machine according to claim 7, characterized in that: The top two sides of the support frame 2 (710) are fixedly connected with guide rails (711), and the two ends of the two slides (74) are slidably connected to the two guide rails (711) respectively; the support frame 2 (710) is fixedly connected to the top of the base frame 2 (10).

9. The winding tensioning mechanism of the coating machine according to claim 8, characterized in that: The support frame 2 (710) has a front auxiliary wheel (78) rotatably connected to one side of its top and a plurality of rear auxiliary wheels (79) rotatably connected to the other side. A pad (70) is provided between the front auxiliary wheel (78) and the rear auxiliary wheel (79), and the pad (70) is fixedly connected to the top of the support frame 2 (710).

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