CN211619490U

CN211619490U - Flat-plate printing machine

Info

Publication number: CN211619490U
Application number: CN202020118541.5U
Authority: CN
Inventors: 张思良; 张润泽
Original assignee: Zhumadian Dongheng Printing Co ltd
Current assignee: Zhumadian Dongheng Printing Co ltd
Priority date: 2020-01-18
Filing date: 2020-01-18
Publication date: 2020-10-02
Anticipated expiration: 2030-01-18

Abstract

The utility model discloses a flat-plate printing machine, including unwinding mechanism, printing machine and winding mechanism, unwinding mechanism is last to be provided with adjustment mechanism and to be connected to the controller, is provided with pressure sensor between unwinding mechanism, printing machine and is connected to the controller, pressure sensor sets up in unwinding mechanism's frame, and the frame is changeed and is provided with the connecting rod, and the connection is changeed on the connecting rod and is provided with the pressure shaft, and the pressure shaft sets up on the paper of roll web, the connecting rod sets up on pressure sensor; this device is through location slide and screw rod and pressure sensor's joint use, can effectual automatically regulated roll web's rate of tension, automatic tensioning during the pine of doing, automatic back pine during tight to guaranteed printing quality, the problem roll web of solution influences printing quality's problem too closely.

Description

Flat-plate printing machine

Technical Field

The utility model relates to a lithography apparatus technical field, concretely relates to flatbed printing machine.

Background

Printing machines are machines for printing text and images, modern printing machines generally consisting of mechanisms for plating, inking, stamping, feeding (including folding), etc. The working principle is as follows: the characters and images to be printed are made into printing plate, then it is mounted on the printing machine, then the ink is coated on the position of the characters and images on the printing plate by manual or printing machine, then it is directly or indirectly transferred on the paper or other printing material (such as textile, metal plate, plastics, leather, wood plate, glass and ceramic) so as to reproduce the same printed matter as the printing plate.

In modern printing machine, according to the difference of printing, its printing mechanism also differs to some extent, and at the in-process that uses the web printing, the receipts and releases the great influence only to printing of web, and too loose or too tight can all influence the quality of printing, and too tight too loose of web can lead to the printing to appear deckle edge or many marks, and what more even make the web fracture, influence printing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flatbed printing machine solves the too tight problem that influences the printing quality of web.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a flat-bed printing machine, includes unwinding mechanism, printing machine and winding mechanism, unwinding mechanism is last to be provided with adjustment mechanism and to be connected to the controller, is provided with pressure sensor between unwinding mechanism, printing machine and is connected to the controller, pressure sensor sets up in unwinding mechanism's frame, and the joint is provided with the connecting rod in the frame, and the joint is provided with the pressure axis on the connecting rod, and the pressure axis sets up on the paper of roll web, the connecting rod sets up on pressure sensor.

Furthermore, the adjusting mechanism comprises a rack, first sliding grooves are symmetrically formed in two sides of the rack, sliding rails are arranged in the first sliding grooves, positioning plates are connected onto the sliding rails in a sliding mode, rolling shaft holes are formed in the positioning plates, and rolling shafts are arranged in the rolling shaft holes in a switching mode. The bearing is arranged between the scroll and the roller hole, the positioning plate is provided with a screw rod in a rotary manner, one end of the screw rod penetrates through the rack to be connected with the screw rod motor, and the screw rod motor is fixedly arranged on the rack through a screw.

Furthermore, the locating plate sets up to a square board, is provided with the slider with first spout looks adaptation in the inboard survey of board, and the slider sliding joint is on the slide rail, and the roller bearing hole sets up on the slider.

Furthermore, connecting shafts for connecting the two positioning plates are arranged at 3 corners of the positioning plates, and second sliding grooves for the connecting shafts to pass through are formed in the corresponding positions of the positioning plates.

Furthermore, a threaded hole for fixing the motor is formed in the positioning plate.

Further, a ball is arranged between the positioning plate and the rack, and the ball is embedded on the positioning plate.

Compared with the prior art, the beneficial effects of the utility model are that:

this device is through location slide and screw rod and pressure sensor's joint use, and automatic tensioning when doing the pine, automatic back pine when tight can effectual automatically regulated roll web to guaranteed printing quality, the problem that the problem roll web of solution influences printing quality too closely.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a side view of the structure of the present invention

1-a frame, 2-a printer, 3-a winding device, 4-a first chute, 5-a roller shaft hole, 6-a positioning plate, 7-a connecting shaft, 8-a second chute, 9-a screw, 10-a screw motor, 11-a connecting rod, 12-a pressure shaft, 13-a pressure sensor, 14-a roller shaft, 15-a ball, 16-a threaded hole and 17-a bearing.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1:

the flat-plate printing machine comprises an unwinding mechanism, a printing machine 2 and a winding mechanism, wherein the unwinding mechanism is provided with an adjusting mechanism connected to a controller, and a pressure sensor 13 connected to the controller is arranged between the unwinding mechanism and the printing machine 2 to monitor the tension degree of the roll paper. Specifically, pressure sensor 13 sets up in unwinding mechanism's frame 1, and the commentaries on classics is provided with connecting rod 11 on frame 1, and the commentaries on classics is provided with pressure shaft 12 on connecting rod 11, and pressure shaft 12 sets up on the paper of roll web, connecting rod 11 sets up on pressure sensor 13. The arrangement is such that when the roll paper is loose, the pressure shaft 12 is pressed downwards under the self weight to drive the connecting rod 11 to press the pressure sensor, so that the pressure value of the pressure sensor changes, and vice versa, the pressure sensor transmits the changed data to the controller to be compared with the preset value, if the value is not in the set value range, the driving motor is adjusted, and the adjustment is carried out according to the specific value difference.

Example 2:

on the basis of the above embodiment, in this embodiment, the adjustment mechanism includes frame 1, and the symmetry is provided with first spout 4 on frame 1 both sides, is provided with the slide rail in the first spout 4, and it has locating plate 6 to have slided to connect on the slide rail, is provided with roller hole 5 on the locating plate 6, and the switching is provided with spool 14 in the roller hole 5, is provided with the roll web on the spool 14. In order to facilitate rotation, a bearing 17 is arranged between the scroll 14 and the scroll hole 5, meanwhile, a specific sliding adjusting mechanism is that a screw 9 is rotatably arranged on the positioning plate 6, one end of the screw 9 penetrates through the frame 1 to be connected with a screw motor 10, the screw motor 10 is fixedly arranged on the frame 1 through a screw, and the front and back movement of the positioning plate 6 is adjusted through the screw.

Example 3:

on the basis of the above embodiment, in this embodiment, the positioning plate 6 is specifically set to be a square plate, the inner side of the plate is provided with a slider matched with the first sliding groove 4, the slider is slidably connected to the sliding rail, and the roller hole 5 is arranged on the slider.

Example 4:

on the basis of the above embodiment, in this embodiment, in order to stabilize the two positioning plates 6, the connecting shafts 7 for connecting the two positioning plates 6 are disposed at 3 corners of the positioning plates 6, and the positioning plates 6 are disposed at corresponding positions with the second sliding grooves 8 for the connecting shafts 7 to pass through.

Example 5:

on the basis of the above embodiments, in the present embodiment, the positioning plate 6 is provided with a screw hole 16 for fixing the motor, so as to fix the cover of the bearing.

Example 6:

on the basis of the above embodiment, in the present embodiment, in order to reduce the friction between the positioning plate 6 and the frame when the positioning plate 6 is fastened, the balls 15 are provided between the positioning plate 6 and the frame 1, and the balls 15 are embedded on the positioning plate 6.

Reference throughout this specification to "example 1", "example 2", "example 3", "example 4", and so forth, means that a particular feature, structure, or characteristic described in connection with the example is included in at least one embodiment described generally throughout this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. The utility model provides a flat-bed printing machine, includes unwinding mechanism, printing machine (2) and winding mechanism, its characterized in that: the automatic paper feeding and unwinding device is characterized in that an adjusting mechanism is arranged on the unwinding mechanism and connected to a controller, a pressure sensor (13) is arranged between the unwinding mechanism and a printing machine (2) and connected to the controller, the pressure sensor (13) is arranged on a rack (1) of the unwinding mechanism, a connecting rod (11) is arranged on the rack (1) in a transfer mode, a pressure shaft (12) is arranged on the connecting rod (11) in a transfer mode, the pressure shaft (12) is arranged on paper of roll paper, and the connecting rod (11) is arranged on the pressure sensor (13).

2. A lithographic printing machine as claimed in claim 1, wherein: adjustment mechanism includes frame (1), the symmetry is provided with first spout (4) on frame (1) both sides, be provided with the slide rail in first spout (4), it has locating plate (6) to slide to connect on the slide rail, be provided with on locating plate (6) roller hole (5), roller hole (5) internal transfer is provided with spool (14), be provided with bearing (17) between spool (14) and roller hole (5), it is provided with screw rod (9) to go up the connecing in locating plate (6), screw rod (9) one end is passed frame (1) and is connected with screw motor (10), screw motor (10) pass through the fix with screw setting in frame (1).

3. A lithographic printing machine as claimed in claim 2, wherein: the positioning plate (6) is a square plate, a sliding block matched with the first sliding groove (4) is arranged on the inner side of the plate, the sliding block is connected to the sliding rail in a sliding mode, and the rolling shaft hole (5) is formed in the sliding block.

4. A lithographic printing machine as claimed in claim 2, wherein: connecting shafts (7) for connecting the two positioning plates (6) are arranged at 3 corners of the positioning plates (6), and second sliding grooves (8) for the connecting shafts (7) to pass through are formed in the corresponding positions of the positioning plates (6).

5. A lithographic printing machine as claimed in claim 2, wherein: and a threaded hole (16) for fixing a motor is formed in the positioning plate (6).

6. A lithographic printing machine as claimed in claim 2, wherein: a ball (15) is arranged between the positioning plate (6) and the rack (1), and the ball (15) is embedded on the positioning plate (6).