Tension adjusting structure for printing printer

Abstract

The utility model discloses a tension adjusting structure for a printing printer, which relates to the field of tension adjusting structures, and comprises a symmetrically arranged printer mounting rack, and a leveling roller and a tension adjusting roller which are arranged at the two ends of the printer mounting rack, positioning holes are formed in the two sides of the inner wall of the printer mounting frame in an annular array mode, a motor used for driving the tension adjusting roller to rotate is fixed to the outer wall of the printer mounting frame, rotating rods are mounted at the two ends of the tension adjusting roller, and positioning mechanisms clamped with the positioning holes are arranged on the two rotating rods; sliding grooves are formed in the two ends of the printer installation frame, and fixing rods are installed in the sliding grooves in an embedded mode. The motor drives the rotating shaft and the rotating rod to rotate after being started, so that the tension adjusting rod pushes a printing medium to adjust the tension of the printing medium in the rotating process, and the convenience of tension adjustment of the printing printer is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to tension adjusting structure field, concretely is tension adjusting structure for printing press. BACKGROUND

[0002] Digital printing machine is a kind of equipment that prints pattern to textile fabric, it has many advantages such as small floor area, high degree of automation, less labor, low energy consumption and high efficiency compared with traditional printing equipment, and is widely used in clothing, home decoration fabric, sampling, T-shirt, canvas bag, cushion, scooter, flag, textile fabric and other fields.

[0003] The existing digital printing machine mainly uses U-shaped tension roller to keep the tension of printing medium, but the U-shaped tension roller can only be used as constant tension roller and cannot adjust the tension size it can provide;In the prior art, the patent number CN201920743637.8 discloses a digital printing machine swing roller paper feeding device, which comprises a rack and a paper feeding roller horizontally installed at the bottom of the rack, the end of the paper feeding roller is connected with a paper feeding driver for driving the rotation, the rack side is also provided with a driven roller, a swing roller and a driving roller which are parallel to the paper feeding roller and located above the paper feeding roller from bottom to top, a sensor is also installed on the rack to monitor the position of the swing roller, the sensor is connected with a controller, and the controller is connected with the paper feeding driver.

[0004] In the above technical scheme, the swing of the swing roller can ensure the tension of the paper;But in this scheme, the installation of the swing roller is mainly the connection plate rotatingly connected to the rack to achieve the purpose of swinging, which cannot be adjusted, and the tension provided is limited and cannot be adjusted according to the actual situation. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model aims at providing tension adjusting structure for printing press to solve the technical problem that the swing roller tension cannot be adjusted according to the actual situation.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: tension adjusting structure for printing press, including symmetrically arranged printer mounting frame and flat roller and tension adjusting roller arranged at both ends of printer mounting frame, the inner wall of printer mounting frame is provided with positioning hole in annular array on both sides, and the outer wall of printer mounting frame is fixed with motor for driving tension adjusting roller to rotate, the both ends of tension adjusting roller are provided with rotating rod, and the rotating rod is provided with positioning mechanism for clamping positioning hole.

[0007] The utility model is further provided with that the both ends of printer mounting frame are provided with sliding slot, and fixed rod is embedded and installed in sliding slot.

[0008] The present invention is further configured such that two leveling rollers are symmetrically arranged, and both ends of the two leveling rollers are fixed with lifting rods embedded in the sliding grooves.

[0009] The present invention is further configured such that the lifting rod is slidably sleeved on the fixed rod, and the fixed rod is sleeved with a first spring that abuts against the lifting rod.

[0010] The present invention is further configured such that a rotating shaft is rotatably mounted at the end of the rotating rod away from the tension adjusting rod, the rotating shaft is embedded in the printer mounting bracket through a bearing, and the rotating shaft is fixedly connected to the motor shaft.

[0011] The present invention is further configured such that a mounting tube is fixed to the side wall of the rotating rod, and the positioning mechanism includes a second spring and a positioning rod embedded in the mounting tube.

[0012] The present invention is further configured such that one end of the positioning rod extending out of the mounting tube is inserted into the positioning hole, and the other end of the positioning rod is equipped with a magnetic suction rod.

[0013] The present invention is further configured such that an electromagnetic plate is fixed to the inner wall of the mounting tube, and the magnetic rod passes through the second spring and is attracted and fixed to the electromagnetic plate.

[0014] In summary, this utility model has the following advantages: By incorporating a tension adjusting rod and a flat roller in the printer mounting bracket, the printer positions one end of the printing medium. A spring in the slide pushes the lifting rod, causing the two flat rollers to press and position the other end of the printing medium. After the motor starts, it drives the rotating shaft and rotating rod to rotate, allowing the tension adjusting rod to adjust the tension of the printing medium during rotation, thus improving the convenience of tension adjustment in the printer. Furthermore, by fixing an mounting tube on the rotating rod, when the tension adjusting rod moves, the electromagnetic plate activates and engages with the magnetic rod. After the tension adjusting rod moves, the electromagnetic plate closes, and a second spring in the mounting tube pushes the positioning rod into the positioning hole, thereby ensuring that the rotating rod and tension adjusting rod remain fixed after the motor is turned off. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0016] Figure 2 This is a cross-sectional view of the printer mounting bracket of this utility model;

[0017] Figure 3 This is a cross-sectional view of the leveling roller of this utility model;

[0018] Figure 4 This utility model Figure 2 Enlarged schematic diagram of the structure at point A in the middle.

[0019] Fig. 1, printer mounting frame; 2, rotating rod; 3, tension adjusting rod; 4, motor; 5, sliding groove; 6, flattening roller; 7, positioning hole; 8, rotating shaft; 9, fixed rod; 10, first spring; 11, lifting rod; 12, electromagnetic plate; 13, mounting pipe; 14, magnetic attraction rod; 15, positioning rod; 16, second spring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are used only for explaining the utility model, and cannot be understood as limiting the utility model.

[0021] The tension adjusting structure for the stamping printer comprises symmetrically arranged printer mounting frames 1 and flattening rollers 6 and tension adjusting rollers arranged at both ends of the printer mounting frames 1, positioning holes 7 are arranged in an annular array on both sides of the inner wall of the printer mounting frames 1, motors 4 for driving the tension adjusting rollers to rotate are fixed on the outer wall of the printer mounting frames 1, rotating rods 2 are arranged at both ends of the tension adjusting rollers, and positioning mechanisms for clamping the positioning holes 7 are arranged on the two rotating rods 2. Figures 1-4

[0022] Sliding grooves 5 are arranged at both ends of the printer mounting frames 1, fixed rods 9 are arranged in the sliding grooves 5, two flattening rollers 6 are symmetrically arranged, lifting rods 11 are fixed at both ends of the two flattening rollers 6 and embedded in the sliding grooves 5, the lifting rods 11 are slidingly sleeved on the fixed rods 9, first springs 10 are sleeved on the fixed rods 9 and abut against the lifting rods 11, rotating shafts 8 are rotatably arranged at one end of the rotating rods 2 away from the tension adjusting rods 3, the rotating shafts 8 are embedded in the printer mounting frames 1 through bearings, and the rotating shafts 8 are fixedly connected with the shafts of the motors 4. The stamping printer positions one end of the printing medium, the spring in the sliding groove 5 pushes the lifting rod 11 to make the two flattening rollers 6 press and position the other end of the printing medium, the motor 4 drives the rotating shaft 8 and the rotating rod 2 to rotate after being started, and the tension adjusting rod 3 pushes the printing medium to adjust the tension of the printing medium in the process of rotating.

[0023] ​Further, the side wall of the rotating rod 2 is fixed with a mounting pipe 13, the positioning mechanism comprises a second spring 16 and a positioning rod 15 which are embedded in the mounting pipe 13, the positioning rod 15 is inserted into the positioning hole 7 at one end of the mounting pipe 13, and the other end of the positioning rod 15 is provided with a magnetic attraction rod 14, the inner wall of the mounting pipe 13 is fixed with an electromagnetic plate 12, the magnetic attraction rod 14 is attracted and fixed to the electromagnetic plate 12 through the second spring 16, the electromagnetic plate 12 is started to attract the magnetic attraction rod 14 when the tension adjusting rod 3 moves, the electromagnetic plate 12 is closed after the tension adjusting rod 3 moves, and the second spring 16 in the mounting pipe 13 pushes the positioning rod 15 to insert into the positioning hole 7, so that the rotating rod 2 and the tension adjusting rod 3 can be fixed after the motor 4 is closed.

[0024] The working principle of the utility model is: after the printing medium passes between the two flat rollers 6 and the surface of the tension adjusting roller and is embedded into the stamp printing machine, the stamp printing machine positions one end of the printing medium, the spring in the sliding groove 5 pushes the lifting rod 11 to make the two flat rollers 6 extrude and position the other end of the printing medium, the motor 4 drives the rotating shaft 8 and the rotating rod 2 to rotate after starting, the tension adjusting rod 3 adjusts the tension of the printing medium in the rotating process, the convenience of the stamp printing machine tension adjustment is improved, the electromagnetic plate 12 is started to attract the magnetic attraction rod 14 when the tension adjusting rod 3 moves, the electromagnetic plate 12 is closed after the tension adjusting rod 3 moves, and the second spring 16 in the mounting pipe 13 pushes the positioning rod 15 to insert into the positioning hole 7, so that the rotating rod 2 and the tension adjusting rod 3 can be fixed after the motor 4 is closed.

[0025] Although the embodiments of the utility model have been shown and described, the specific embodiments are only the explanation of the utility model, and are not the limitation of the utility model, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way, and the person skilled in the art can make the modification, replacement and change of the embodiments without creative contribution after reading the specification without departing from the principles and the purpose of the utility model, but as long as in the range of the claims of the utility model, it is protected by the patent law.

Claims

1. A tension adjusting structure for a stamp printing machine, comprising a printing machine mounting frame (1) arranged symmetrically, and a smoothing roller (6) and a tension adjusting roller arranged at both ends of the printing machine mounting frame (1), characterized in that: The inner wall of the printer mounting frame (1) is provided with positioning holes (7) in annular array on both sides, and the outer wall of the printer mounting frame (1) is fixed with a motor (4) for driving the rotation of the tension adjusting roller, both ends of the tension adjusting roller are provided with rotating rods (2), and both rotating rods (2) are provided with positioning mechanisms for clamping the positioning holes (7).

2. The tension adjusting structure for a stamp printer according to claim 1, wherein: Both ends of the printer mounting frame (1) are provided with sliding grooves (5), and the sliding grooves (5) are embedded with fixed rods (9).

3. The tension adjusting structure for a stamp printer according to claim 2, wherein: The two flat rollers (6) are symmetrically arranged, and both ends of the two flat rollers (6) are fixed with lifting rods (11) embedded in the sliding grooves (5).

4. The tension adjusting structure for a stamp printer according to claim 3, wherein: The lifting rod (11) is slidingly sleeved on the fixed rod (9), and the fixed rod (9) is sleeved with a first spring (10) abutting against the lifting rod (11).

5. The tension adjusting structure for a stamp printer according to claim 1, wherein: The end of the rotating rod (2) away from the tension adjusting rod (3) is rotatably installed with a rotating shaft (8), the rotating shaft (8) is embedded in the printer mounting frame (1) through a bearing, and the rotating shaft (8) is fixedly connected with the shaft of the motor (4).

6. The tension adjusting structure for a stamp printer according to claim 1, wherein: The side wall of the rotating rod (2) is fixed with a mounting pipe (13), and the positioning mechanism comprises a second spring (16) and a positioning rod (15) embedded in the mounting pipe (13).

7. The tension adjusting structure for a stamp printer according to claim 6, wherein: The end of the positioning rod (15) extending out of the mounting pipe (13) is inserted into the positioning hole (7), and the other end of the positioning rod (15) is provided with a magnetic attraction rod (14).

8. The tension adjusting structure for a stamp printer according to claim 7, wherein: The inner wall of the mounting pipe (13) is fixed with an electromagnetic plate (12), and the magnetic attraction rod (14) is fixedly attracted to the electromagnetic plate (12) through the second spring (16).

Images