CN217756120U - Tension control mechanism of printing machine - Google Patents

Abstract

The utility model discloses a tension control mechanism of a printing machine, which is provided with a wallboard, a tension control device and an automatic deviation correcting device are arranged on the wallboard, the tension control device is provided with a paper guide roller, a tension bottom roller and a tension sensor, the tension bottom roller drives a material belt to move forward, the tension sensor detects the tension of the material belt and transmits a detection result to a control center, and the control center adjusts a bottom roller driving motor according to the detection result so as to adjust the tension of the material belt; this automatic deviation correcting device detects the material area skew degree through sensor assembly to feed back to control center, control center control deviation correcting drive motor drives the deflector roll bottom plate action and realizes rectifying to the automation in material area, the utility model discloses a can realize simultaneously that material area tension control and automatic function of rectifying, simple structure is convenient for maintain, and the appearance is pleasing to the eye.

Description

A printing machine tension control mechanism

technical field

The utility model relates to the technical field of printing machines, in particular to a tension control mechanism for printing machines.

Background technique

A printing machine is a printing device that prints text, patterns or other information on the surface of paper or film. The deviation correction mechanism and tension control mechanism that are common in the market are generally separated separately, occupying a lot of space, and the structure is relatively complicated, which is not easy to maintain. Maintenance, inconvenient to adjust.

Contents of the invention

In order to solve the above problems, the application provides a tension control mechanism for a printing machine, which is provided with a wallboard, the wallboard is provided with a tension control device and an automatic deviation correction device, and is also provided with a control center, which is connected to the The tension control device is electrically connected to the automatic deviation correction device;

The tension control device includes several paper guide rollers, tension sensors, and tension bottom rollers arranged on the wallboard. The tension bottom roller is connected to the bottom roller driving motor, and a tension rubber roller is arranged on one side of the tension bottom roller. The tension rubber roller is connected with the rubber roller pressure rod, one end of the rubber roller pressure rod is connected with the wallboard, the other end of the rubber roller pressure rod is hinged with the rubber roller cylinder, and the tail of the rubber roller cylinder The end is connected to the wallboard;

The automatic deviation correction device includes a support seat arranged on the wallboard, a deviation correction drive motor is arranged on the support seat, the deviation correction drive motor is movably connected with the guide roller bottom plate, guide roller support plates are arranged on both sides of the guide roller bottom plate, Guide rollers are respectively arranged on both sides of the guide roller support plate, and the automatic deviation correction device is also provided with a sensor assembly.

In one of the embodiments, there are five paper guide rollers, including a first paper guide roller arranged at the bottom of the wallboard on the feed side of the tape, a second paper guide roller arranged on the discharge side of the tape, The third paper guide roller arranged in the middle of the wallboard, the fourth paper guide roller arranged below the third paper guide roller, the fifth paper guide roller arranged below the second paper guide roller, the The height of the fifth paper guide roller is the same as that of the first paper guide roller.

In one of the embodiments, the automatic deviation correcting device further includes a joint bearing arranged on the bottom plate of the guide roller, a sliding shaft inserted into the joint bearing is fixed on the support base, and a side joint is provided on the support base. A U-shaped guide groove is arranged, and a guide wheel matched with the U-shaped guide groove is arranged on the bottom plate of the guide roller, and the guide wheel is clamped in the U-shaped guide groove.

In one of the embodiments, the sensor assembly includes a sensor bar fixed on the support base, a sensor slider is arranged on the sensor bar, and a U-shaped deviation sensor is arranged on the sensor slider, so that The U-shaped deviation correction sensor is connected with the sensor slider through a fine-tuning knob; the sensor slider is also provided with a slider fixing screw.

The beneficial effects of the utility model are:

The utility model patent is that a tension control mechanism of a printing machine is provided with a wallboard, and a tension control device and an automatic deviation correction device are provided on the wallboard. The tension control device is provided with a paper guide roller, a tension bottom roller, and a tension sensor. The belt advances, the tension sensor detects the tension of the material belt and transmits the detection result to the control center, and the control center adjusts the drive motor of the bottom roller according to the detection result to adjust the belt tension; the automatic deviation correction device detects the deviation degree of the material belt through the sensor component, and Feedback to the control center, the control center controls the deviation correction drive motor to drive the guide roller bottom plate to automatically correct the deviation of the material belt. The utility model patent can realize the functions of material belt tension control and automatic deviation correction at the same time. The structure is simple and easy to maintain. The overall structure Compact, takes up less space, and has a beautiful appearance.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the schematic diagram of the structure after removing the strip and the control center;

Fig. 3 is the front view after removing the strip and the control center;

Fig. 4 is the structural representation of the utility model after removing part of the casing;

Fig. 5 is a schematic diagram of the structure at Fig. 3A;

Fig. 6 is a schematic diagram of the structure of the automatic deviation correction device;

Fig. 7 is a side view of the automatic deviation correction device;

Fig. 8 is a schematic diagram of the structure at Fig. 3B;

FIG. 9 is a schematic diagram of the partial structure of FIG. 6 .

Explanation of symbols in the figure:

1. Wall panels;

2. Tension control device;

21. paper guide roller; 211. first paper guide roller; 212. second paper guide roller; 213. third paper guide roller; 214. fourth paper guide roller; 215. fifth paper guide roller;

22. Tension bottom roller; 221. Bottom roller drive motor; 222. Tension rubber roller; 223. Rubber roller pressure rod; 224. Rubber roller cylinder;

23. Tension sensor;

3. Automatic deviation correction device; 31. Support base; 32. Correction drive motor;

33. guide roller bottom plate; 331. guide roller support plate; 332. guide roller;

34. Joint bearing; 35. Sliding shaft; 36. U-shaped guide groove; 37. Guide wheel;

38. Sensor component; 381. Sensor cross bar; 382. Sensor slider; 383. U-shaped deviation correction sensor; 384. Fine-tuning knob; 385. Slider fixing screw;

4. Control center;

5. Tape.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.

As shown in Figures 1 and 2, a tension control mechanism for a printing machine is provided with a wallboard 1, a tension control device 2 and an automatic deviation correction device 3 are arranged on the wallboard 1, and a control center 4 is also provided for the tension control mechanism. 4 are electrically connected with the tension control device 2 and the automatic deviation correction device 3 respectively.

As shown in Figures 2, 3, 4, and 5, the tension control device 2 includes a paper guide roller 21 arranged on the wallboard 1, and five paper guide rollers 21 are arranged in total, including the wallboard arranged on the feeding side of the material belt 5. 1 The first paper guide roller 211 at the bottom, the second paper guide roller 212 arranged on the discharge side of the material belt 5, the third paper guide roller 213 arranged in the middle of the wallboard 1, arranged below the third paper guide roller 213 The fourth paper guide roller 214, the fifth paper guide roller 215 arranged below the second paper guide roller 212, the fifth paper guide roller 215 and the first paper guide roller 211 have the same height.

The tension control device 2 also includes a tension bottom roller 22, the tension bottom roller 22 is located above the third paper guide roller 213, the tension bottom roller 22 is connected with the bottom roller driving motor 221, and the bottom roller driving motor 221 drives the tension bottom roller 22 to rotate so that Drive material belt 5 to advance, tension bottom roller 22 side is provided with tension rubber roller 222, tension rubber roller 222 links to each other with rubber roller pressing bar 223, and one end of rubber roller pressing bar 223 links to each other with wallboard 1, and rubber roller pressing bar 233 can This is the origin rotation, the other end is hinged with the rubber roller cylinder 224, the rubber roller cylinder 224 is located above the tension bottom roller 22, and the tail end of the rubber roller cylinder 224 is connected with the wallboard 1; when the equipment is running, the piston rod of the rubber roller cylinder 224 When shrinking, it can drive the rubber roller pressure rod 223 to approach the tension bottom roller 22 side, thereby driving the rubber roller pressure rod 223 to approach the tension bottom roller 22 side, thereby increasing the tension of the material belt 5 and blocking the tension caused by unwinding When the equipment stops running, the rubber roller pressure rod 223 is driven away from the tension bottom roller 22 when the piston rod of the rubber roller cylinder 224 stretches out.

The tension control device 2 also includes a tension sensor 23 arranged on both sides of the fourth paper guide roller 214, the tension sensor 23 is electrically connected to the control center 4, and the tension value of the material belt 5 is transmitted to the control center 4 during the operation of the equipment, and the control center 4. Control the rotation speed of the driving motor 221 of the bottom roller to adjust the tension.

As shown in Figures 1, 6, 7, 8, and 9, the automatic deviation correction device 3 includes a support seat 31 arranged on the wallboard 1, and a driving device is arranged on the support seat 31. The driving device can be a deviation correction drive motor 32, and the deviation correction drive The motor 32 is movably connected with the guide roller bottom plate 33, and the deviation correction drive motor 32 can drive the guide roller bottom plate 33 to move. The guide roller support plates 331 are arranged on both sides of the guide roller bottom plate 33, and the guide roller support plates 331 are respectively provided with guide rollers 332. Guide roller 332 is positioned at the both sides of guide roller support plate 331, and guide roller 332 axial direction is perpendicular to material band 5 feed direction; Therefore, the material belt 5 will not interfere with the guide roller bottom plate 33 or other components, so as to avoid friction.

This automatic deviation correction device 3 also has the joint bearing 34 that is arranged on the guide roller bottom plate 33, and the sliding shaft 35 inserted into the joint bearing 34 is fixed on the support seat 31, and the cooperation of the joint bearing 34 and the sliding shaft 35 can adjust the guide roller bottom plate. 33 plays a supporting role, on the other hand, the joint bearing 34 can rotate and swing at any angle; the support seat 31 is also provided with a side U-shaped guide groove 36, and the guide roller bottom plate 33 is provided with a U-shaped guide groove 36 to match The guide wheel 37, the guide wheel 37 is stuck in the U-shaped guide groove 36.

The automatic deviation correction device 3 is also provided with a sensor assembly 38, the sensor assembly 38 includes a sensor cross bar 381 fixed on the support base 31, a sensor slider 382 is arranged on the sensor cross bar 381, and a U is arranged on the sensor slider 382. Type deviation correction sensor 383, this U-type deviation correction sensor 383 links to each other with sensor slide block 382 by connecting rod, and connecting rod also links to each other with fine-tuning knob 384, can adjust the front and back position of U-type deviation-correction sensor 383 by rotating fine-tuning knob 384. The sensor slider 382 is also provided with a slider fixing screw 385, so as to fix the sensor slider 382 on the sensor cross bar 381, so as to prevent the sensor slider 382 from moving due to vibration when the device is running.

Before the operation of the equipment, the material belt 5 passes through the bottom of the first paper guide roller 211 to reach the automatic deviation correction device 3, and the automatic deviation correction device 3 corrects the deviation of the material belt 5, and passes over the guide roller 332 of the automatic deviation correction device 3 to reach the second guide The paper roll 212 passes over the tension bottom roller 22 then, and the tension bottom roller 22 and the tension rubber roller 222 realize the tension control to the material belt 5, and the material belt reaches the third paper guide roller 213 from the tension bottom roller 22, and then passes through The fourth paper guide roller 214 finally passes under the fifth paper guide roller 215 .

The utility model patent is that a tension control mechanism of a printing machine is provided with a wallboard 1, a tension control device 2 and an automatic deviation correction device 3 are arranged on the wallboard 1, and the tension control device 2 is provided with a paper guide roller 21, a tension bottom roller 22, a tension The sensor 23 and the tension bottom roller 22 drive the material belt 5 forward, the tension sensor 23 detects the tension of the material belt 5 and transmits the detection result to the control center 4, and the control center 4 adjusts the bottom roller driving motor 221 according to the detection result to adjust the material belt 5 tension The automatic deviation correction device 3 detects the offset degree of the material belt 5 through the sensor assembly 38, and feeds back to the control center 4, and the control center 4 controls the deviation correction drive motor 32 to drive the guide roller bottom plate 33 to move to realize the automatic deviation correction of the material belt 5. The new patent can realize the functions of tension control and automatic deviation correction of the material belt 5 at the same time. The structure is simple, easy to maintain, the overall structure is compact, the space is small, and the appearance is beautiful.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a flexible connection. Detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can also be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

Claims (4)

1. A printing machine tension control mechanism is provided with a wallboard and is characterized in that the wallboard is provided with a tension control device, an automatic deviation rectifying device and a control center, and the control center is respectively and electrically connected with the tension control device and the automatic deviation rectifying device;

the tension control device comprises a plurality of paper guide rollers, a tension sensor and a tension bottom roller which are arranged on a wallboard, the tension bottom roller is connected with a bottom roller driving motor, a tension rubber roller is arranged on one side of the tension bottom roller and connected with a rubber roller pressing rod, one end of the rubber roller pressing rod is connected with the wallboard, the other end of the rubber roller pressing rod is hinged with a rubber roller cylinder, and the tail end of the rubber roller cylinder is connected with the wallboard;

automatic deviation correcting device is including setting up supporting seat on the wallboard, be provided with the driving motor that rectifies on the supporting seat, the driving motor that rectifies and deflector roll bottom plate swing joint, deflector roll bottom plate both sides are provided with the deflector roll backup pad, and deflector roll backup pad both sides are provided with the deflector roll respectively, automatic deviation correcting device still is provided with sensor assembly.

2. The tension control mechanism according to claim 1, wherein the number of the paper guide rollers is five, and the tension control mechanism comprises a first paper guide roller arranged at the bottom of the wall plate on the feeding side of the material belt, a second paper guide roller arranged at the discharging side of the material belt, a third paper guide roller arranged at the middle position of the wall plate, a fourth paper guide roller arranged below the third paper guide roller, a fifth paper guide roller arranged below the second paper guide roller, and the fifth paper guide roller and the first paper guide roller are the same in height.

3. The tension control mechanism of a printing press as claimed in claim 1, wherein the automatic deviation correcting device further comprises a knuckle bearing disposed on the guide roller base plate, a sliding shaft inserted into the knuckle bearing is fixed on the supporting seat, a lateral U-shaped guide groove is disposed on the supporting seat, a guide roller matched with the U-shaped guide groove is disposed on the guide roller base plate, and the guide roller is clamped in the U-shaped guide groove.

4. The tension control mechanism of a printing press as recited in claim 1 wherein the sensor assembly comprises a sensor cross bar fixed on the support base, the sensor cross bar is provided with a sensor slider, the sensor slider is provided with a U-shaped deviation correction sensor, and the U-shaped deviation correction sensor is connected with the sensor slider through a fine adjustment knob; and a slider fixing screw is also arranged on the sensor slider.

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