CN217705170U - Paper feeding device of offset press - Google Patents

Abstract

The utility model discloses an offset press paper feed device, including support frame, sliding seat, conveying roller, the head of blowing, connecting pipe, air pump and tensioning clearance mechanism. The utility model discloses a tensioning clearance mechanism has been set up, hold up the paper through the apical wheel, the motor circular telegram is worked afterwards, drives the cleaning roller through the axis of rotation and rotates to make the cleaning roller clear away the printing ink on the paper, reached the advantage that can increase cleaning efficiency; the cylinder contracts, drives the swing arm through the turning block and carries out anticlockwise swing around the location axle, makes the swing arm drive the paper that the knock-out pulley will carry hold up, contacts with the cleaning roller, has reached the advantage that can lift the clearance fast to the paper.

Description

Paper feeding device of offset press

Technical Field

The utility model relates to an offset press field of relevance especially relates to an offset press paper feed device.

Background

The offset press is one of offset presses, in which printing pictures and texts are first printed on a rubber cylinder from a printing plate and then transferred to paper by the rubber cylinder, and the offset press can be divided into a sheet-fed offset press and a web-fed offset press according to different paper feeding modes.

When offset press used, often need to cooperate with paper feed device, present paper feed device often need use the cleaning roller to clear up the paper surface at the course of the work, but because the paper elasticity is different for the working height of cleaning roller needs to be adjusted constantly, and the operation is wasted time and energy.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the above-mentioned insufficiency, the utility model provides an offset press paper feed device.

In order to realize the purpose, the utility model discloses take following technical scheme: the utility model provides an offset press paper feeding device, includes support frame, movable seat, conveying roller, the head of blowing, connecting pipe, air pump and tensioning clearance mechanism, the movable seat is installed at the top of support frame, the movable seat rotates with the middle part of conveying roller to be connected, the movable seat is fixed with the bottom of the head of blowing, the head of blowing adopts the rear end of connecting pipe and air pump to communicate, tensioning clearance mechanism installs the right-hand member in the movable seat, tensioning clearance mechanism includes the fixed frame of first fixed frame, cleaning roller, second, lifts mechanism, axis of rotation and motor, the bottom of first fixed frame is fixed mutually with the movable seat, the front end rotation of first fixed frame and axis of rotation is connected, the axis of rotation is fixed mutually with the middle part of cleaning roller, the rear end and the motor rotation of axis of rotation are connected, the motor embedding is installed in the front end inboard of the fixed frame of second, it is fixed mutually with the front end of first fixed frame to lift the mechanism.

Optionally, lift the mechanism including accepting seat, rotation seat, cylinder, turning block, swing arm, location axle and knock-pin, the rear end of accepting the seat is fixed mutually with first fixed frame, accept the right-hand member fixed connection of seat and rotation seat, the inboard of rotating the seat adopts pivot and cylinder to rotate and is connected, the cylinder is fixed mutually with the left end of turning block, the turning block adopts the pivot to rotate with the top inboard of swing arm and is connected, the swing arm adopts the location axle to rotate with the rear end of accepting the seat and is connected, the swing arm rotates with the middle part of knock-pin and is connected.

Optionally, the bearing seat, the rotating seat, the cylinder, the rotating block, the swinging arm and the positioning shaft mutually form a pushing mechanism a.

Optionally, the pushing mechanisms a are provided with two groups, and the pushing mechanisms a are arranged oppositely along the front side and the rear side of the top wheel.

Optionally, the cross section of the rotating seat is in a U shape, and the cylinder is embedded into the inner side of the groove at the left end of the rotating seat.

Optionally, the cross section of the swing arm is in a V shape, and the swing arm performs circular motion around the positioning shaft.

Optionally, the first fixed frame and the second fixed frame have the same size, and the first fixed frame and the second fixed frame are symmetrically distributed.

Optionally, the cleaning roller, the rotating shaft and the central line of the motor are located in the same horizontal direction, and the cleaning roller is wrapped on the outer side of the rotating shaft.

Optionally, the positioning shaft is made of carbon steel and has high hardness.

Optionally, the swing arm is made of alloy steel and is high in corrosion resistance.

The utility model has the advantages that:

the utility model discloses a set up tensioning clearance mechanism, held up the paper through the apical wheel, the motor circular telegram carries out work afterwards, drives the cleaning roller through the axis of rotation and rotates to make the cleaning roller clear away paper upper end printing ink, reached the advantage that can increase clean efficiency.

The utility model discloses a having set up lifting mechanism, the cylinder contracts, drives the swing arm through the turning block and carries out counter-clockwise swing around the location axle, makes the swing arm drive the paper hold up that the knock-pin will carry, contacts with the cleaning roller, has reached the advantage that can lift the clearance to the paper fast.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the three-dimensional structure of the tension cleaning mechanism of the present invention;

fig. 3 is a schematic view of the internal structure of the second fixing frame of the present invention;

FIG. 4 is a schematic view of the three-dimensional structure of the lifting mechanism of the present invention;

fig. 5 is a schematic sectional structure diagram of the lifting mechanism of the present invention.

Wherein: the device comprises a support frame-1, a movable seat-2, a conveying roller-3, a blowing head-4, a connecting pipe-5, an air pump-6, a tensioning cleaning mechanism-7, a first fixed frame-71, a cleaning roller-72, a second fixed frame-73, a lifting mechanism-74, a rotating shaft-75, a motor-76, a bearing seat-741, a rotating seat-742, an air cylinder-743, a rotating block-744, a swinging arm-745, a positioning shaft-746, a top wheel-747 and a pushing mechanism-A.

Detailed Description

In order to further explain the technical solution of the present invention, the following is a detailed explanation through specific examples.

In the description of the present application, it is to 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", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered as limiting the present application.

In the present application, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

Referring to fig. 1, the utility model provides an offset press paper feeding device, including support frame 1, sliding seat 2, conveying roller 3, blow head 4, connecting pipe 5, air pump 6 and tensioning clearance mechanism 7, sliding seat 2 is installed at the top of support frame 1, and sliding seat 2 rotates with the middle part of conveying roller 3 to be connected, and sliding seat 2 is fixed with the bottom of blowing head 4, and blowing head 4 adopts the rear end of connecting pipe 5 and air pump 6 to communicate, and tensioning clearance mechanism 7 installs in the right-hand member of sliding seat 2.

Please refer to fig. 2-3, the utility model provides an offset press paper feeding device, tensioning clearance mechanism 7 includes first fixed frame 71, the cleaning roller 72, the fixed frame 73 of second, lift mechanism 74, axis of rotation 75 and motor 76, the bottom of first fixed frame 71 is fixed mutually with sliding seat 2, first fixed frame 71 rotates with the front end of axis of rotation 75 to be connected, axis of rotation 75 is fixed mutually with the middle part of cleaning roller 72, the rear end and the motor 76 of axis of rotation 75 rotate to be connected, the motor 76 embedding is installed in the front end inboard of the fixed frame 73 of second, it is fixed mutually with the front end of first fixed frame 71 to lift mechanism 74.

Further, the first and second fixed frames 71 and 73 are the same size, and the first and second fixed frames 71 and 73 are symmetrically distributed with each other; the central lines of the cleaning roller 72, the rotating shaft 75 and the motor 76 are in the same horizontal direction, and the cleaning roller 72 is wrapped on the outer side of the rotating shaft 75, so that the cleaning effect is facilitated.

Referring to fig. 4-5, the present invention provides a paper feeding device for offset printing machine, the lifting mechanism 74 includes a receiving seat 741, a rotating seat 742, a cylinder 743, a rotating block 744, a swinging arm 745, a positioning shaft 746 and a top wheel 747, the rear end of the receiving seat 741 is fixed to the first fixing frame 71, the receiving seat 741 is fixedly connected to the right end of the rotating seat 742, the inner side of the rotating seat 742 adopts a rotation shaft to be rotatably connected to the cylinder 743, the cylinder 743 is fixed to the left end of the rotating block 744, the rotating block 744 adopts a rotation shaft to be rotatably connected to the inner side of the top of the swinging arm 745, the swinging arm 745 adopts the positioning shaft 746 to be rotatably connected to the rear end of the receiving seat 741, and the swinging arm 745 is rotatably connected to the middle of the top wheel 747.

In addition, the receiving seat 741, the rotating seat 742, the air cylinder 743, the rotating block 744, the swinging arm 745 and the positioning shaft 746 mutually constitute a pushing mechanism a; the pushing mechanisms A are arranged in two groups, and are oppositely arranged along the front side and the rear side of the top wheel 747; the cross section of the rotating seat 742 is U-shaped, and the air cylinder 743 is embedded into the inner side of a groove at the left end of the rotating seat 742; the cross section of the swinging arm 745 is V-shaped, and the swinging arm 745 performs circular motion around the positioning shaft 746, so that the effect of stable swinging of the swinging arm 745 is facilitated; the positioning shaft 746 is made of carbon steel and has high hardness; the swinging arm 745 is made of alloy steel and has strong corrosion resistance.

The working principle is as follows:

before use, the paper feeding device of the offset press is horizontally placed, and then the device is arranged at a proper position at the upper end of the offset press;

when the ink blow-drying device is used, paper can be conveyed through the conveying roller 3, and then the air pump 6 inflates the air blowing head 4 through the connecting pipe 5, so that the air blowing head 4 blows and dries the ink at the upper end of the paper;

then the paper enters the cleaning roller 72 and the inner side of the top wheel 747, the air cylinder 743 contracts, the rotating block 744 drives the swinging arm 745 to swing anticlockwise around the positioning shaft 746, and the swinging arm 745 drives the top wheel 747 to lift the conveyed paper to be in contact with the cleaning roller 72;

meanwhile, the motor 76 is electrified to work, and the cleaning roller 72 is driven to rotate through the rotating shaft 75, so that the cleaning roller 72 removes ink on the upper end of the paper, and the cleaning efficiency can be increased.

The utility model provides a paper feeding device of offset press, the utility model discloses a tensioning clearance mechanism 7 has been set up, hold up the paper through knock-out pulley 747, the motor 76 circular telegram subsequently carries out work, drives clearance roller 72 through axis of rotation 75 and rotates to make clearance roller 72 clear away the printing ink of paper upper end, reached the advantage that can increase cleaning efficiency; the cylinder 743 contracts, and the swing arm 745 is driven to swing anticlockwise around the positioning shaft 746 through the rotating block 744, so that the swing arm 745 drives the jacking wheel 747 to lift the conveyed paper, and the paper is in contact with the cleaning roller 72, and the advantage of quickly lifting and cleaning the paper is achieved.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. A paper conveying device of an offset press comprises a support frame (1), a movable seat (2), a conveying roller (3), an air blowing head (4), a connecting pipe (5) and an air pump (6), wherein the movable seat (2) is installed at the top of the support frame (1), the movable seat (2) is rotatably connected with the middle of the conveying roller (3), the movable seat (2) is fixed with the bottom of the air blowing head (4), and the air blowing head (4) is communicated with the rear end of the air pump (6) through the connecting pipe (5);

the method is characterized in that: still including tensioning clearance mechanism (7), tensioning clearance mechanism (7) are installed in the right-hand member of sliding seat (2), tensioning clearance mechanism (7) are including the fixed frame of first fixed frame (71), cleaning roller (72), second (73), lift mechanism (74), axis of rotation (75) and motor (76), the bottom of first fixed frame (71) is fixed mutually with sliding seat (2), the front end rotation of first fixed frame (71) and axis of rotation (75) is connected, axis of rotation (75) are fixed mutually with the middle part of cleaning roller (72), the rear end and the motor (76) of axis of rotation (75) rotate and are connected, motor (76) embedding is installed in the front end inboard of the fixed frame of second (73), it is fixed mutually with the front end of first fixed frame (71) to lift mechanism (74).

2. The offset printing press paper feed apparatus according to claim 1, wherein: the lifting mechanism (74) comprises a bearing seat (741), a rotating seat (742), an air cylinder (743), a rotating block (744), a swinging arm (745), a positioning shaft (746) and a top wheel (747), the rear end of the bearing seat (741) is fixed to a first fixing frame (71), the bearing seat (741) is fixedly connected with the right end of the rotating seat (742), the inner side of the rotating seat (742) is rotatably connected with the air cylinder (743) through a rotating shaft, the air cylinder (743) is fixed to the left end of the rotating block (744), the rotating block (744) is rotatably connected with the inner side of the top of the swinging arm (745) through the rotating shaft, the swinging arm (745) is rotatably connected with the rear end of the bearing seat (741) through the positioning shaft (746), and the swinging arm (745) is rotatably connected with the middle of the top wheel (747).

3. The offset printing press paper feed apparatus according to claim 2, wherein: the bearing seat (741), the rotating seat (742), the air cylinder (743), the rotating block (744), the swinging arm (745) and the positioning shaft (746) mutually form a pushing mechanism (A).

4. The offset printing press paper feed apparatus according to claim 3, wherein: two groups of pushing mechanisms (A) are arranged, and the pushing mechanisms (A) are arranged oppositely along the front side and the rear side of the top wheel (747).

5. The offset printing press paper feed apparatus according to claim 2, wherein: the cross section of the rotating seat (742) is U-shaped, and the air cylinder (743) is embedded into the inner side of a groove at the left end of the rotating seat (742).

6. The offset printing press paper feed apparatus according to claim 2, wherein: the cross section of the swinging arm (745) is V-shaped, and the swinging arm (745) performs circular motion around the positioning shaft (746).

7. The offset press paper feed apparatus according to claim 1, wherein: the first fixing frame (71) and the second fixing frame (73) are the same in size, and the first fixing frame (71) and the second fixing frame (73) are symmetrically distributed.

8. The offset press paper feed apparatus according to claim 1, wherein: the cleaning roller (72), the rotating shaft (75) and the motor (76) are positioned on the same horizontal direction, and the cleaning roller (72) is wrapped on the outer side of the rotating shaft (75).

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