阅读说明：本技术 一种放卷速度可调的印刷设备 (Unreel speed adjustable lithography apparatus ) 是由 罗胜 于 2021-01-29 设计创作，主要内容包括：本发明公开了一种放卷速度可调的印刷设备,左支架和右支架之间转动连接有放卷气涨轴和收卷气涨轴,右支架外表面上设有放卷电机和收卷电机,右支架外表面上设有放卷电机控制器和收卷电机控制器,左支架和右支架内表面前端均设有滑槽一,滑槽一内滑动连接有收卷张力辊,滑槽一上端设有超声波传感器一,左支架和右支架上端之间设有打印平台,打印平台前后两侧分别设有导向辊一和进卷胶辊,导向辊二下方设有滑槽二,滑槽二内滑动连接有放卷张力辊,滑槽二上端设有超声波传感器二,滑槽二上方后侧设有导向辊三。本发明的优点在于：收卷和放卷张力可调、收卷和放卷速度可调、打印介质进卷平顺度好、印刷质量佳。(The invention discloses a printing device with adjustable unreeling speed, wherein an unreeling air expansion shaft and a reeling air expansion shaft are rotatably connected between a left support and a right support, an unreeling motor and a reeling motor are arranged on the outer surface of the right support, an unreeling motor controller and a reeling motor controller are arranged on the outer surface of the right support, the front ends of the inner surfaces of the left support and the right support are respectively provided with a first chute, a reeling tension roller is connected in the first chute in a sliding mode, the upper end of the first chute is provided with a first ultrasonic sensor, a printing platform is arranged between the upper ends of the left support and the right support, the front side and the rear side of the printing platform are respectively provided with a first guide roller and a reeling rubber roller, a second chute is arranged below the second guide roller, an unreeling tension roller is connected in the. The invention has the advantages that: the winding and unwinding tension is adjustable, the winding and unwinding speed is adjustable, the winding smoothness of the printing medium is good, and the printing quality is good.)

1. The utility model provides an unreel speed adjustable lithography apparatus, includes left socle (1) and right branch frame (2), its characterized in that: an unwinding air expansion shaft (3) and a winding air expansion shaft (4) are rotatably connected between the left support (1) and the right support (2), the unwinding air expansion shaft (3) is positioned above the winding air expansion shaft (4), an unwinding motor (5) and a winding motor (6) are arranged on the outer surface of the right support (2), the unwinding motor (5) drives the unwinding air expansion shaft (3), the winding motor (6) drives the winding air expansion shaft (4), an unwinding motor controller (7) and a winding motor controller (8) are arranged on the outer surface of the right support (2), the unwinding motor controller (7) is in signal connection with the unwinding motor (5), the winding motor controller (8) is in signal connection with the winding motor (6), the front ends of the inner surfaces of the left support (1) and the right support (2) are respectively provided with a first chute (9), and a winding tension roller (10) is slidably connected in the first chute (9), the upper end of the first sliding chute (9) is provided with a first ultrasonic sensor (11), a printing platform (12) is arranged between the upper ends of the left bracket (1) and the right bracket (2), the front side and the rear side of the printing platform (12) are respectively provided with a guide roller I (13) and a winding roller I (14), a coiling motor (15) and a coiling motor controller (16) are arranged on the outer surface of the left bracket (1), the coil feeding motor controller (16) is in signal connection with the coil feeding motor (15), the coiling motor (15) drives the coiling rubber roller (14), a guide roller II (17) is arranged below the coiling rubber roller (14), a second sliding chute (18) is arranged below the second guide roller (17), an unreeling tension roller (19) is connected in the second sliding chute (18) in a sliding manner, and a second ultrasonic sensor (20) is arranged at the upper end of the second sliding groove (18), and a third guide roller (21) is arranged on the rear side above the second sliding groove (18).

2. The printing equipment with the adjustable unwinding speed as claimed in claim 1, wherein: a fourth guide roller (22) is arranged between the winding roller (14) and the second guide roller (17).

3. The printing equipment with the adjustable unwinding speed as claimed in claim 1, wherein: and the lower ends of the left bracket (1) and the right bracket (2) are provided with a fifth guide roller (23).

4. The printing equipment with the adjustable unwinding speed as claimed in claim 3, wherein: the number of the guide rollers five (23) is two, and the two guide rollers five (23) are symmetrically distributed at the front and back of the lower ends of the left bracket (1) and the right bracket (2).

Technical Field

The invention relates to the technical field of printing equipment, in particular to printing equipment with adjustable unreeling speed.

Background

The tension of the existing printing equipment for rolling and unreeling can not be adjusted, and the speed of rolling and unreeling can not be adjusted, so that the smoothness of the roll feeding of the printing medium is poor, and the printing quality is influenced.

Disclosure of Invention

The invention aims to solve the technical problems and provides the printing equipment with the adjustable unwinding speed, which has the advantages of adjustable winding and unwinding tension, adjustable winding and unwinding speed, good printing medium winding smoothness and good printing quality.

In order to solve the technical problems, the technical scheme provided by the invention is as follows: a printing device with adjustable unreeling speed comprises a left support and a right support, wherein an unreeling air expansion shaft and a reeling air expansion shaft are rotatably connected between the left support and the right support, the unreeling air expansion shaft is positioned above the reeling air expansion shaft, an unreeling motor and a reeling motor are arranged on the outer surface of the right support, the unreeling motor drives the unreeling air expansion shaft, the reeling motor drives the reeling air expansion shaft, an unreeling motor controller and a reeling motor controller are arranged on the outer surface of the right support, the unreeling motor controller is in signal connection with the unreeling motor, the reeling motor controller is in signal connection with the reeling motor, the front ends of the inner surfaces of the left support and the right support are respectively provided with a first chute, a reeling tension roller is in sliding connection with the first chute, the upper end of the first chute is provided with a first ultrasonic sensor, and a printing platform is arranged between the upper ends, the utility model discloses a printing platform, including printing platform, left socle, including left socle, right socle, left socle, front and back both sides are equipped with guide roll one respectively and advance a roll rubber roll, be equipped with into a roll motor on the left socle surface and advance a roll machine controller, advance a roll machine controller and advance a roll machine signal connection, advance a roll machine drive and advance a roll rubber roll, advance a roll rubber roll below and be equipped with guide roll two, two below of guide roll are equipped with spout two, sliding connection has unreel tension roller in the spout two, two upper ends of spout are equipped with ultrasonic sensor two, two top rear sides of spout are equipped.

Compared with the prior art, the invention has the advantages that: when the printing equipment with the adjustable unreeling speed works, the reeling motor controller sends a signal to control the reeling motor to rotate, and the printing medium is driven to move through the reeling rubber roller; the printing medium drives the unwinding tension roller to move upwards in the second sliding groove when being wound, the second ultrasonic sensor detects the displacement distance of the unwinding tension roller and converts corresponding voltage to the unwinding motor controller, the unwinding motor controller receives a signal of the second ultrasonic sensor to control the unwinding speed of the unwinding motor, when the unwinding tension roller displaces relatively slowly, and when the unwinding tension roller displaces relatively greatly, the unwinding speed is relatively fast, so that the winding smoothness of the winding of the printing medium can be ensured, and the unwinding tension roller can ensure the balance of the winding and unwinding tension of the printing medium; meanwhile, the winding motor controller and the winding motor and the unwinding motor controller and the unwinding motor work on the same principle.

As an improvement, a fourth guide roller is arranged between the winding roller and the second guide roller, and the fourth guide roller guides the moving direction of the printing medium.

As an improvement, the lower ends of the left support and the right support are provided with five guide rollers, and the five guide rollers guide the moving direction of the printing medium.

As an improvement, the number of the guide rollers is two, and the two guide rollers are symmetrically distributed at the front and back of the lower ends of the left support and the right support, so that the guide effect of the guide rollers on the printing medium is ensured.

Drawings

Fig. 1 is a cross-sectional view of a printing apparatus with an adjustable unwinding speed according to the present invention.

Fig. 2 is a first structural schematic diagram of a printing apparatus with an adjustable unwinding speed according to the present invention.

Fig. 3 is a schematic structural diagram of a printing apparatus with an adjustable unwinding speed according to a second embodiment of the present invention.

Reference numerals: 1. the automatic winding device comprises a left support, a right support, a winding air expansion shaft, a winding motor, an unwinding motor, a winding motor controller, a sliding groove I, a winding tension roller, 11, an ultrasonic sensor I, 12, a printing platform, 13, a guide roller I, 14, a winding rubber roller, 15, a winding motor, 16, a winding motor controller, 17, a guide roller II, 18, a sliding groove II, 19, a winding tension roller, 20, an ultrasonic sensor II, 21, a guide roller III, 22, a guide roller IV, 23 and a guide roller V.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

With reference to the attached drawings, the printing equipment with the adjustable unreeling speed comprises a left support 1 and a right support 2, an unreeling air expansion shaft 3 and a reeling air expansion shaft 4 are rotatably connected between the left support 1 and the right support 2, the unreeling air expansion shaft 3 is positioned above the reeling air expansion shaft 4, an unreeling motor 5 and a reeling motor 6 are arranged on the outer surface of the right support 2, the unreeling motor 5 drives the unreeling air expansion shaft 3, the reeling motor 6 drives the reeling air expansion shaft 4, an unreeling motor controller 7 and a reeling motor controller 8 are arranged on the outer surface of the right support 2, the unreeling motor controller 7 is in signal connection with the unreeling motor 5, the reeling motor controller 8 is in signal connection with the reeling motor 6, a first chute 9 is arranged at the front end of the inner surface of each of the left support 1 and the right support 2, a reeling tension roller 10 is slidably connected with the first chute 9, a first ultrasonic sensor 11 is arranged at the upper end of the, be equipped with print platform 12 between 2 upper ends of left socle 1 and right branch frame, both sides are equipped with guide roll 13 respectively around print platform 12 and advance a book rubber roll 14, be equipped with into book motor 15 on the 1 surface of left socle and advance a roll machine controller 16, advance a roll machine controller 16 and advance a roll machine 15 signal connection, advance a roll machine 15 drive and advance a roll rubber roll 14, it is equipped with guide roll two 17 to advance a roll rubber roll 14 below, two 17 below of guide roll are equipped with spout two 18, sliding connection has unreel tension roller 19 in spout two 18, spout two 18 upper ends are equipped with two 20 ultrasonic sensor, spout two 18 top rear sides are equipped with guide roll three 21.

A fourth guide roller 22 is arranged between the winding roller 14 and the second guide roller 17.

And the lower ends of the left bracket 1 and the right bracket 2 are provided with five guide rollers 23.

The number of the guide rollers five 23 is two, and the two guide rollers five 23 are symmetrically distributed at the front and back of the lower ends of the left bracket 1 and the right bracket 2.

The working principle of the invention is as follows: when the printing equipment with the adjustable unreeling speed works, the reeling motor controller sends a signal to control the reeling motor to rotate, and the printing medium is driven to move through the reeling rubber roller. The printing medium drives the unwinding tension roller to move upwards in the second sliding groove when feeding, the second ultrasonic sensor detects the displacement distance of the unwinding tension roller and converts the corresponding voltage to the unwinding motor controller, the unwinding motor controller receives the signal of the second ultrasonic sensor to control the unwinding speed of the unwinding motor, when the unwinding tension roller displaces relatively slowly, when the unwinding tension roller displaces relatively greatly, the unwinding speed is relatively high, the smoothness of feeding the printing medium can be ensured, and the unwinding tension roller can ensure the balance of winding and unwinding tension of the printing medium. Print medium drives rolling tension roller rebound in spout one, ultrasonic sensor detects rolling tension roller displacement distance and changes corresponding big or small voltage to take-up motor controller, take-up motor controller receives ultrasonic sensor one's signal control rolling motor's rolling speed, when rolling tension roller displacement is less, rolling speed is corresponding slower, when rolling tension roller displacement is great, rolling speed is corresponding faster, can guarantee the smoothness that print medium advanced to roll up, the rolling tension roller can guarantee the rolling that print medium received and the balance of unreeling tension.

The present invention and its embodiments have been described, without limitation, and the embodiments shown in the drawings are only one embodiment of the present invention and the actual configuration is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.