Coiled material constant tension printing system
By introducing a sensing module and controller into the printing system to adjust the winding speed, the problems of easy mechanical structure failure and insufficient monitoring were solved, constant tension of the printing medium was achieved, and production efficiency was improved.
Patent Information
- Application Number
- CN202520725276.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-17
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-04-17
AI Technical Summary
Existing technologies are prone to mechanical failures, cannot monitor fabric size and fabric shortages, have significant limitations in use, and result in unstable printing media tension, affecting production efficiency.
The system employs a sensing module to monitor fabric changes, an ultrasonic sensor to detect changes in the distance to the printing medium, and a controller to adjust the speed of the winding module, while a web-correcting module maintains constant tension.
It enables real-time monitoring of fabric size, bounce distance, and fabric shortage, ensuring that the printing media maintains constant tension under various conditions and improving production efficiency.
Smart Images

Figure CN223877751U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to food production equipment technical field, concretely relates to a constant tension printing system of coiled material. BACKGROUND
[0002] The utility model discloses a kind of ink-jet printer uneven medium self-adaptive conveying system, including cloth setting device, self-adaptive adjusting device, cloth collecting device sequentially set, the self-adaptive adjusting device includes shaft group support, multiple static transition shaft group consisting of static transition shaft group, multiple dynamic transition shaft group consisting of dynamic transition shaft group, pneumatic cylinder, the static transition shaft group, the dynamic transition shaft group is located in the shaft group support in staggered stratification, the pneumatic cylinder is vertically located in the shaft group support both sides corresponding the dynamic transition shaft, the shaft head of the dynamic transition shaft is connected with the pneumatic cylinder by bearing.
[0003] The above-mentioned utility model patent relies on mechanical structure to keep the tension of printing medium constant, however, mechanical structure is prone to failure and cannot monitor cloth size, cloth shortage and other problems, and has large use limitation. UTILITY MODEL CONTENT
[0004] In order to make up for the deficiencies in the prior art, the utility model provides a constant tension printing system of coiled material, which uses an induction module to monitor various conditions, expands the use scenarios and improves production efficiency.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0006] A constant tension printing system of coiled material includes a rack, a winding module, a deviation correction module, a printing platform, an induction module and a cloth guide module are sequentially arranged on the rack, the induction module includes a U-shaped induction head, an ultrasonic sensor is arranged on the inner wall of the induction head, the induction head is suspended on the path through which one side of the printing medium passes to sense the distance change of the printing medium, a controller is arranged on the rack, the winding module and the induction module are electrically connected to the controller, and the controller adjusts the winding speed of the winding module according to the feedback of the induction module.
[0007] Further, the winding module includes a winding bracket, an inflatable shaft and a motor, the inflatable shaft is rotatably connected to the winding bracket, and the motor is connected to the inflatable shaft.
[0008] Further, the winding bracket is rotatably connected to the rack, and a telescopic device is connected between the winding bracket and the rack, and the telescopic device is electrically connected to the controller.
[0009] Further, the deviation correction module includes a plurality of fixed guide shafts and a plurality of dynamic guide shafts arranged above the fixed guide shafts, and the dynamic guide shafts are arranged floatingly up and down.
[0010] Further, the floating shaft head is connected at both ends of the dynamic guide shaft, the spring sleeve is connected at the bottom end of the floating shaft head, and the spring sleeve is connected to the rack.
[0011] Further, the plurality of static guide shafts are arranged in pairs in parallel and arranged in the same plane, and the plurality of dynamic guide shafts are arranged in pairs in parallel and arranged in the same plane.
[0012] Further, the guide shafts are arranged on both sides of the printing platform.
[0013] Further, the induction module and the cloth guide module are arranged below one side of the printing platform from top to bottom, and the cloth guide module is a cloth guide shaft.
[0014] Compared with the prior art, the utility model has the following beneficial technical effects:
[0015] The constant-tension printing system for coiled materials of the utility model can monitor the size, jumping distance and cloth shortage of the cloth in all directions by additionally arranging the induction module, and can adjust the speed of the winding module in real time, so that the printing medium can maintain constant tension under various conditions, the production efficiency is effectively improved, and the development of various production and printing plans is facilitated. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 is a structure diagram of a constant-tension printing system for coiled materials of the utility model.
[0017] Figure 2 is a deviation correction module structure diagram of the utility model.
[0018] Figure 3 is a printing platform structure diagram of the utility model.
[0019] Figure 4 is a use state diagram of a constant-tension printing system for coiled materials of the utility model.
[0020] 1, rack; 2, winding module; 21, winding support; 22, air expansion shaft; 23, motor; 24, telescopic device; 3, deviation correction module; 31, static guide shaft; 32, dynamic guide shaft; 33, floating shaft head; 34, spring sleeve; 4, printing platform; 41, guide shaft; 5, induction module; 51, induction head; 52, ultrasonic sensor; 6, cloth guide module; 7, controller. DETAILED DESCRIPTION
[0021] Many specific details are set forth in the following description to provide a full understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.
[0022] like Figures 1-4 As shown, a roll-to-roll constant tension printing system includes a frame 1, on which a winding module 2, a web guiding module 3, a printing platform 4, a sensing module 5, and a cloth guiding module 6 are sequentially arranged. A controller 7 is also provided on the frame 1.
[0023] The rewind module 2 includes a rewind bracket 21, an air shaft 22, and a motor 23. The air shaft 22 is rotatably connected to the rewind bracket 21, and the motor 23 is connected to the air shaft 22. The air shaft 22 is used to connect the printing media, and the printing media is rewound by the motor 23 driving the air shaft 22 to rotate.
[0024] The take-up bracket 21 can be fixedly connected to the frame 1 or rotatably connected, preferably the latter. A telescopic device 24 is connected between the take-up bracket 21 and the frame 1, and the telescopic device 24 is electrically connected to the controller 7. By controlling the extension and retraction of the telescopic device 24 through the controller 7, the distance between the air shaft 22 and the frame 1 can be adjusted to avoid the printing medium colliding with the side of the frame 1 during rewinding. The telescopic device 24 can be a cylinder, a hydraulic rod, or an electric cylinder.
[0025] The correction module 3 includes multiple fixed guide shafts 31 and multiple movable guide shafts 32 positioned above the fixed guide shafts 31, with the movable guide shafts 32 floating vertically. The printing medium is wound vertically around the fixed guide shafts 31 and the movable guide shafts 32, thus achieving constant tension.
[0026] Specifically, the moving guide shaft 32 is connected to floating shaft heads 33 at both ends, and the bottom end of the floating shaft head 33 is connected to a spring sleeve 34, which is connected to the frame 1. Multiple fixed guide shafts 31 are arranged in parallel pairs on the same plane, and multiple moving guide shafts 32 are arranged in parallel pairs on the same plane.
[0027] The printing platform 4 has guide shafts 41 on both sides. The sensing module 5 and the cloth guide module 6 are located below one side of the printing platform 4 from top to bottom. The sensing module 5 includes a U-shaped sensing head 51, with an ultrasonic sensor 52 installed on the inner wall of the sensing head 51. The sensing head 51 is suspended along the path of the printing medium to sense changes in the distance of the printing medium. The cloth guide module 6 is a cloth guide shaft.
[0028] The winding module 2 and the sensing module 5 are electrically connected with the controller 7 respectively, the controller 7 adjusts the winding speed of the winding module 2 according to the feedback of the sensing module 5.Through adjusting the winding speed and cooperating with the deviation rectifying module 3, the constant tension of the printing medium can be kept in various working conditions, thereby effectively improving the production efficiency.
[0029] The above are only preferred embodiments of the present application and are not used to limit the present application, although the present application is described in detail with reference to the embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced equivalently, but any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A web constant tension printing system characterized by: The application relates to a printing device, which comprises a rack, a winding module, a deviation rectifying module, a printing platform, a sensing module and a cloth guiding module arranged on the rack in sequence, wherein the sensing module comprises a U-shaped sensing head, an ultrasonic sensor is arranged on the inner wall of the sensing head, the sensing head is suspended on the path through which a printing medium passes to sense the distance change of the printing medium, a controller is arranged on the rack, the winding module and the sensing module are electrically connected with the controller, and the controller adjusts the winding speed of the winding module according to the feedback of the sensing module.
2. The web constant tension printing system of claim 1, wherein: The winding module comprises a winding support, an air inflation shaft and a motor, the air inflation shaft is rotationally connected to the winding support, and the motor is connected with the air inflation shaft.
3. The web constant tension printing system of claim 2, wherein: The winding support is rotationally connected with the rack, a telescopic device is connected between the winding support and the rack, and the telescopic device is electrically connected with the controller.
4. The web constant tension printing system of any of claims 1-3, wherein: The deviation rectifying module comprises a plurality of fixed guide shafts and a plurality of movable guide shafts arranged above the fixed guide shafts, and the movable guide shafts are arranged in a floating mode.
5. The web constant tension printing system of claim 4, wherein: Floating shaft heads are connected to the two ends of the movable guide shafts, spring sleeves are connected to the bottom ends of the floating shaft heads, and the spring sleeves are connected to the rack.
6. The web constant tension printing system of claim 5, wherein: The fixed guide shafts are arranged in parallel and in the same plane, and the movable guide shafts are arranged in parallel and in the same plane.
7. The web constant tension printing system of claim 6, wherein: Guide shafts are arranged on the two sides of the printing platform.
8. The web constant tension printing system of claim 7, wherein: The sensing module and the cloth guiding module are arranged below one side of the printing platform from top to bottom, and the cloth guiding module is a cloth guiding shaft.