CN219405730U - Offset press of high stability - Google Patents

Abstract

The utility model discloses a high-stability offset press, which relates to the technical field of offset presses, and aims at solving the problems that the existing offset press is easy to wrinkle when paper is conveyed, the offset printing effect is easy to influence and stable conveying of the paper cannot be ensured, and the utility model provides the following scheme that: the offset press comprises a glue printing table, wherein an offset press main body is fixedly arranged on the glue printing table; the glue printing table is provided with a groove, and leveling rollers are rotatably arranged in the groove and on the glue printing table; the U-shaped cavity is formed in the glue printing table, a motor is fixedly arranged on one side of the glue printing table, and a threaded shaft is fixedly connected to an output shaft of the motor. The utility model has reasonable structural design, can conveniently realize stable feeding and conveying of paper, and can level the paper in the feeding and conveying process of the paper, so that the problem that offset printing effect is influenced by paper wrinkles can be avoided.

Description

Offset press of high stability

Technical Field

The utility model relates to the technical field of offset presses, in particular to a high-stability offset press.

Background

Offset presses are one type of lithographic printing press in which the printed image is first printed from a plate onto a blanket cylinder and then transferred from the blanket cylinder to the paper. Offset presses are classified into single-sheet offset presses and web offset presses according to the paper feeding mode; the printing color number finished according to one paper feeding can be divided into single-color, double-color, four-color and multi-color printers; the largest paper format for printing can be divided into small offset press, six-open, four-open, two-open and full-sheet printing press.

However, the existing offset press is prone to paper wrinkling during paper transport, is prone to affecting its offset effect, and cannot guarantee stable paper transport.

Disclosure of Invention

The utility model aims to solve the defects that the existing offset press is easy to wrinkle when the paper is conveyed, the offset printing effect is easy to influence and stable conveying of the paper cannot be ensured, and provides the offset press with high stability.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a high stability offset press comprising:

the offset press comprises a glue printing table, wherein an offset press main body is fixedly arranged on the glue printing table;

the glue printing table is provided with a groove, and leveling rollers are rotatably arranged in the groove and on the glue printing table;

a U-shaped cavity is formed in the glue printing table, a motor is fixedly arranged on one side of the glue printing table, a threaded shaft is fixedly connected to an output shaft of the motor, the threaded shaft extends into the U-shaped cavity and is sleeved with a U-shaped frame in a threaded manner, and the U-shaped frame is slidably connected in the U-shaped cavity;

the U-shaped frame is fixedly provided with a double-shaft motor, two output shafts of the double-shaft motor are fixedly connected with connecting shafts, one end, away from each other, of each connecting shaft is fixedly provided with a first bevel gear, the U-shaped frame is rotatably provided with two vertical shafts, the bottom ends of the two vertical shafts are fixedly provided with a second bevel gear, the first bevel gears are located on the same side and meshed with the second bevel gears, the top ends of the two vertical shafts are fixedly provided with two bidirectional screw rods, and the outer sides of the two bidirectional screw rods are sleeved with two clamping plates through threads.

In a preferred embodiment, the mounting frame is fixedly mounted on the offset pad, circular shafts are fixedly connected in the mounting frame and the grooves, and the two leveling rollers are rotatably sleeved on the outer sides of the corresponding circular shafts.

In a preferred embodiment, the two sides of the U-shaped frame are fixedly provided with limiting strips, the inner walls of the two sides of the U-shaped cavity are provided with limiting grooves, and the two limiting strips are slidably connected in the corresponding limiting grooves.

In a preferred embodiment, two mounting plates are fixedly mounted on the U-shaped frame, and two vertical shafts are rotatably mounted in the corresponding mounting plates.

In a preferred embodiment, two clamping grooves are formed in the U-shaped frame, and four clamping plates are connected in the corresponding clamping grooves in a sliding mode.

In a preferred embodiment, the two clamping plates on the same side are fixedly provided with anti-slip pads on the side close to each other.

According to the offset press with high stability, stable feeding and conveying of paper can be conveniently realized through the joint matching of a motor, a threaded shaft, a U-shaped frame, a double-shaft motor, two connecting shafts, meshing transmission of a bevel gear I and a bevel gear II which are positioned on the same side, two vertical shafts, two bidirectional screw rods, four clamping plates and four rubber pads;

according to the offset press with high stability, the paper can be leveled in the feeding and conveying process of the paper through the two leveling rollers which are rotatably arranged, so that the problem that offset printing effects are influenced by paper wrinkles can be avoided;

drawings

FIG. 1 is a schematic perspective view of a high-stability offset press according to the present utility model;

FIG. 2 is a schematic cross-sectional side view of a high stability offset press according to the present utility model;

fig. 3 is a schematic structural view of a portion a of the offset press with high stability according to the present utility model.

In the figure: 1. a glue printing table; 2. an offset press main body; 3. a groove; 4. leveling rollers; 5. a U-shaped cavity; 6. a motor; 7. a threaded shaft; 8. a U-shaped frame; 9. a limit bar; 10. a limit groove; 11. a biaxial motor; 12. a connecting shaft; 13. bevel gears I; 14. a vertical axis; 15. bevel gears II; 16. a two-way screw rod; 17. a clamping plate; 18. a clamping groove; 19. an anti-slip mat.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, one embodiment of the present solution provides: a high stability offset press comprising:

the offset press comprises a glue printing table 1, wherein an offset press main body 2 is fixedly arranged on the glue printing table 1;

a groove 3 is formed in the glue printing table 1, and a leveling roller 4 is rotatably arranged in the groove 3 and on the glue printing table 1;

a U-shaped cavity 5 is formed in the glue printing table 1, a motor 6 is fixedly arranged on one side of the glue printing table 1, a threaded shaft 7 is fixedly connected to an output shaft of the motor 6, the threaded shaft 7 extends into the U-shaped cavity 5, a U-shaped frame 8,U-shaped frame 8 is sleeved in the threaded shaft in a threaded manner, and the U-shaped frame 8 is slidably connected in the U-shaped cavity 5;

the U-shaped frame 8 is fixedly provided with a double-shaft motor 11, two output shafts of the double-shaft motor 11 are fixedly connected with connecting shafts 12, one ends, far away from each other, of the two connecting shafts 12 are fixedly provided with a first bevel gear 13, the U-shaped frame 8 is rotatably provided with two vertical shafts 14, the bottoms of the two vertical shafts 14 are fixedly provided with a second bevel gear 15, the first bevel gear 13 positioned on the same side is meshed with the second bevel gear 15, the tops of the two vertical shafts 14 are fixedly provided with two-way screw rods 16, and the outer sides of the two-way screw rods 16 are sleeved with two clamping plates 17.

Referring to fig. 1, in this embodiment, a mounting frame is fixedly installed on a glue pad 1, a circular shaft is fixedly connected in the mounting frame and in a groove 3, and two leveling rollers 4 are rotatably sleeved on the outer sides of the corresponding circular shafts, so that the two leveling rollers 4 can be conveniently rotated and arranged.

Referring to fig. 3, in this embodiment, two sides of the U-shaped frame 8 are fixedly provided with a limiting bar 9,U, and two side inner walls of the cavity 5 are provided with limiting grooves 10, and two limiting bars 9 are slidably connected in the corresponding limiting grooves 10, so as to limit the U-shaped frame 8.

Referring to fig. 3, in this embodiment, two mounting plates are fixedly mounted on the U-shaped frame 8, and two vertical shafts 14 are rotatably mounted in corresponding mounting plates, so that the two vertical shafts 14 can be conveniently rotatably mounted.

Referring to fig. 1, in this embodiment, two clamping grooves 18 are formed in the U-shaped frame 8, and four clamping plates 17 are slidably connected in the corresponding clamping grooves 18, so as to play a role in limiting the four clamping plates 17.

Referring to fig. 3, in this embodiment, the two clamping plates 17 on the same side are fixedly provided with anti-slip pads 19 on the sides close to each other, so that the anti-slip effect can be achieved when clamping paper, and the paper can be prevented from slipping.

The working principle is that the double-shaft motor 11 can be driven firstly, the double-shaft motor 11 can drive the corresponding bevel gear I13 to rotate through the two connecting shafts 12, then the two bevel gears I13 can drive the two bevel gears II 15 to rotate, and accordingly the double-shaft motor can drive the two bidirectional screw rods 16 to rotate through the two vertical shafts 14, the two bidirectional screw rods 16 can drive the two clamping plates 17 positioned on the same side to move close to each other while rotating, so that the clamping of paper can be realized through the four clamping plates 17, the problem of paper slipping can be prevented when the paper is clamped through the four anti-slip pads 19, then the motor 6 can be driven to drive the threaded shaft 7 to rotate, the threaded shaft 7 can drive the U-shaped frame 8 to move, and accordingly the paper can be pulled to pass through between the two leveling rollers 4, feeding of the paper is achieved, and the paper can be leveled through the two leveling rollers 4 in the feeding process, so that the problem of affecting the effect due to the paper can be avoided.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims (6)

1. A high stability offset printing press, comprising:

the offset printing table (1), the offset printing machine main body (2) is fixedly arranged on the offset printing table (1);

a groove (3) is formed in the offset printing table (1), and leveling rollers (4) are rotatably arranged in the groove (3) and on the offset printing table (1);

a U-shaped cavity (5) is formed in the offset printing table (1), a motor (6) is fixedly arranged on one side of the offset printing table (1), a threaded shaft (7) is fixedly connected to an output shaft of the motor (6), the threaded shaft (7) extends into the U-shaped cavity (5) and is sleeved with a U-shaped frame (8) in a threaded manner, and the U-shaped frame (8) is slidably connected in the U-shaped cavity (5);

the novel double-shaft motor is characterized in that a double-shaft motor (11) is fixedly installed on the U-shaped frame (8), two connecting shafts (12) are fixedly connected to two output shafts of the double-shaft motor (11), one end, away from each other, of each connecting shaft (12) is fixedly installed with a first bevel gear (13), two vertical shafts (14) are rotatably installed on the U-shaped frame (8), two bevel gears (15) are fixedly installed at the bottom ends of the vertical shafts (14), the first bevel gears (13) located on the same side are meshed with the second bevel gears (15), two bidirectional screw rods (16) are fixedly installed at the top ends of the vertical shafts (14), and two clamping plates (17) are sleeved on the outer sides of the bidirectional screw rods (16).

2. The high stability offset printing press as set forth in claim 1 wherein: the offset printing table (1) is fixedly provided with a mounting frame, circular shafts are fixedly connected in the mounting frame and the grooves (3), and the two leveling rollers (4) are rotatably sleeved on the outer sides of the corresponding circular shafts.

3. The high stability offset printing press as set forth in claim 1 wherein: limiting strips (9) are fixedly mounted on two sides of the U-shaped frame (8), limiting grooves (10) are formed in inner walls of two sides of the U-shaped cavity (5), and the two limiting strips (9) are connected in the corresponding limiting grooves (10) in a sliding mode.

4. The high stability offset printing press as set forth in claim 1 wherein: two mounting plates are fixedly mounted on the U-shaped frame (8), and two vertical shafts (14) are rotatably mounted in the corresponding mounting plates.

5. The high stability offset printing press as set forth in claim 1 wherein: two clamping grooves (18) are formed in the U-shaped frame (8), and four clamping plates (17) are connected in the corresponding clamping grooves (18) in a sliding mode.

6. The high stability offset printing press as set forth in claim 1 wherein: and anti-slip pads (19) are fixedly arranged on the sides, which are positioned on the same side, of the clamping plates (17) and are close to each other.