CN212315004U

CN212315004U - Paper feeding device of offset press

Info

Publication number: CN212315004U
Application number: CN202020517085.1U
Authority: CN
Inventors: 王明凯
Original assignee: Beijing Xinhai Jinao Offset Printing Co ltd
Current assignee: Beijing Xinhai Jinao Offset Printing Co ltd
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2021-01-08
Anticipated expiration: 2030-04-08

Abstract

The utility model relates to a paper feeding device of offset press, including fuselage, set up the pile paper platform that is used for stacking the paper on the fuselage, set up the paper feeding platform that is used for transmitting the paper to offset press on the fuselage, set up the adsorption component that is used for adsorbing the paper on the pile paper platform and shifts to the paper feeding platform on the fuselage and vertically set up the spacing post on the pile paper platform on the fuselage, the spacing post includes first spacing post and second spacing post, the cover is equipped with the clamping ring that offsets with the paper of pile top on the first spacing post, the clamping ring slides with first spacing post and cooperates; the lower end of the second limiting column is rotatably connected with the paper stacking table, and a paper pressing ring is sleeved on the second limiting column; the paper pressing ring is matched with the second limiting column in a sliding mode, an electric cylinder is arranged at the top of the second limiting column, and a piston rod of the electric cylinder faces downwards vertically and is fixed with the paper pressing ring. The utility model discloses the effect of wrinkling when having the reduction paper adsorbed to it is level and smooth when the paper reachs the paper feeding bench, prevents to influence the precision of form advancing.

Description

Paper feeding device of offset press

Technical Field

The utility model belongs to the technical field of offset press's technique and specifically relates to a paper feeding device is related to an offset press.

Background

The offset press is a machine which applies the indirect printing principle, ink and water are adhered to the surface of a printing plate wrapped on the excircle of a printing plate cylinder through an ink-water rubber roller balance system, a paper printing stock is clamped by the engagement of an adhesive tape cylinder and the printing plate cylinder to roll, and the pictures and texts on the required printing plate are transferred to the printing stock such as business cards, hang tags, postcards, various cards and the like for printing. Paper cards as printing stock are stacked on a pile board, paper is put on the paper feeding board by a paper feeding mechanism and is conveyed to a printing area, and the paper is rolled by a roller for printing.

At present, the utility model discloses a chinese utility model patent of publication No. CN206872081U discloses a paper feeding device for offset press, its technical scheme main points are including the fuselage, the pile paper platform, send the paper platform, adsorption equipment, a pneumatic cylinder for controlling adsorption equipment goes up and down, slide rail and the servo motor who drives the pneumatic cylinder and slide on the slide rail, the pile paper platform with advance the equal rigid coupling of paper platform on the fuselage, the slide rail both ends are located the pile paper platform respectively and form the bench top of form advancing, the pile paper bench rigid coupling has two at least spacing posts, be formed with the pile paper space that supplies the paper pile to place between the spacing post, spacing post overcoat is equipped with a plurality of clamping rings that are used for pushing down the paper edge, when having reached and preventing the top paper from being adsorbed, the effect that following paper was driven.

The above prior art solutions have the following drawbacks: when this go up paper device's adsorption equipment adsorbs the paper of the top on the pile of paper, the clamping ring on every spacing post still has the effect that compresses tightly to the paper of the top to make the paper of the top take place the fold at the promotion in-process, influence the position that the paper reachd to send the paper bench easily, thereby influence the precision of form advancing.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide an offset press goes up paper device, it has the effect that corrugates when reducing the paper and being adsorbed to it is level and smooth when making the paper reach and send the paper bench, prevents to influence the precision of form advancing.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a paper feeding device of an offset press comprises a body, a paper stacking table, an adsorption assembly and a limiting column, wherein the paper stacking table is arranged on the body and used for stacking paper, the paper feeding table is arranged on the body and used for transferring the paper into the offset press, the adsorption assembly is arranged on the body and used for adsorbing the paper on the paper stacking table and transferring the paper to the paper feeding table, the limiting column is vertically arranged on the paper stacking table and comprises a first limiting column and a second limiting column, a compression ring which is abutted against the uppermost paper of the paper stack is sleeved on the first limiting column, and the compression ring is in sliding fit with the first limiting column; the lower end of the second limiting column is rotatably connected with the paper stacking table, and a paper pressing ring is sleeved on the second limiting column; the paper pressing ring is matched with the second limiting column in a sliding mode, an electric cylinder is arranged at the top of the second limiting column, and a piston rod of the electric cylinder faces downwards vertically and is fixed with the paper pressing ring.

Through adopting above-mentioned technical scheme, when this go up paper device when using, the paper stack is placed on the pile paper bench, the spacing post of second and first spacing post set up in paper week side this moment, and the clamping ring on the first spacing post is taken on the paper of paper pile top, and the paper of top is also pushed down to the pressure paper ring, and when adsorption component adsorbs the paper of top, electronic jar starts, drive and press the paper ring and shift up, thereby make only the local position that is pushed down by the clamping ring on the paper to be pushed down, then adsorption component adsorbs the paper of top and shifts to the paper feeding bench, at this in-process, the buckling deformation volume of paper is few, be difficult to take place the phenomenon of wrinkling, thereby make the paper reach the paper feeding bench time level and smooth, prevent to influence the precision of form advancing.

The present invention may be further configured in a preferred embodiment as: the second limit column and the first limit column are respectively provided with two, and the second limit column and the first limit column are sequentially and alternately arranged along the periphery of the paper stack.

Through adopting above-mentioned technical scheme, when the paper of paper heap top is adsorbed to the adsorption component, the relative both sides of paper are not pushed down to make the paper buckle along the horizontal line between two spacing posts of second at the in-process that is adsorbed to shift up, make the paper although buckle but difficult corrugate, and this paper can resume naturally when putting into and send the paper bench smoothly.

The present invention may be further configured in a preferred embodiment as: the utility model discloses a paper pile paper pressing device, including clamping ring, paper pile, the clamping ring bottom is fixed with two installation pieces of parallel arrangement, be equipped with between the installation piece with the paper pile paper ball of pressing that the paper leaned on the top, be fixed with between the installation piece run through the axis of rotation that presses the paper ball and rotate to be connected with pressing the paper ball.

Through adopting above-mentioned technical scheme, when the paper was adsorbed by adsorption component and shifts up, the paper is crooked and take off and press the paper ball, has driven to press the paper ball and has rotated, and it is littleer to compare the friction with the mode that the clamping ring pushed down the paper for the paper breaks away from the clamping ring more easily, further prevents that the paper from wrinkling.

The present invention may be further configured in a preferred embodiment as: the axis of the rotating shaft is parallel to the edge of the paper stack close to the first limiting column.

Through adopting above-mentioned technical scheme, the setting of axis of rotation for when the paper was taken out and is left the paper ball, the rotation direction of paper ball was unanimous with the orientation that breaks away from of paper, thereby has further reduced the hindrance of paper ball to the paper of pressing.

The present invention may be further configured in a preferred embodiment as: and a plastic ring sheet is fixed on the bottom surface of the paper pressing ring, and the bottom surface of the plastic ring sheet is attached to and abutted against the paper on the uppermost side of the paper stack.

Through adopting above-mentioned technical scheme, the friction between paper ring and the paper has been reduced in the setting of plastics ring piece, prevents to press the paper ring fish tail paper when removing.

The present invention may be further configured in a preferred embodiment as: and a protective ring with a semicircular section is fixed on the arc-shaped outer edge of the plastic ring piece, and the protective ring is arranged around the plastic ring piece.

Through adopting above-mentioned technical scheme, the setting of guard ring prevents that the paper from being adsorbed the arc edge of contact plastics ring piece when shifting up for the circular arc surface of paper contact guard ring, thereby prevents that the paper surface from being by the fish tail.

The present invention may be further configured in a preferred embodiment as: the clamping ring is made of magnetic metal, and a magnet block attracted by the clamping ring is fixed at the upper end of the first limiting column.

Through adopting above-mentioned technical scheme, when this go up paper device not use, operating personnel slides the clamping ring to first spacing capital portion and magnet piece adsorb to only need put into during making the follow-up operation of operating personnel paper pile can, convenient operation.

To sum up, the utility model discloses a following at least one useful technological effect:

when the adsorption component adsorbs the uppermost paper, the electric cylinder is started to drive the paper pressing ring to move upwards, so that the local position on the paper, which is only pressed by the pressing ring, is pressed, then the adsorption component adsorbs the uppermost paper and transfers the uppermost paper to the paper conveying table, and in the process, the bending deformation of the paper is less, the wrinkling phenomenon is not easy to occur, so that the paper is smooth when reaching the paper conveying table, and the paper conveying precision is prevented from being influenced;

when the adsorption component adsorbs the paper on the uppermost side of the paper stack, the two opposite sides of the paper are not pressed, so that the paper is bent along a horizontal connecting line between the two second limiting columns in the process of being adsorbed and moved upwards, the paper is not easy to wrinkle although being bent, and the paper can naturally recover to be flat when being placed on the paper feeding table;

when the paper is adsorbed by adsorption component and shifts up, the paper is crooked and take off and press the paper ball, has driven to press the paper ball and has rotated, and it is littleer to compare the friction with the mode that the clamping ring pushed down the paper for the paper breaks away from the clamping ring more easily, further prevents that the paper from corrugating.

Drawings

Fig. 1 is a schematic structural diagram of the embodiment.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a schematic structural view of the second limiting column.

Reference numerals: 1. a body; 11. a pile board; 12. a paper feeding table; 13. an adsorption component; 2. a first limit post; 21. pressing a ring; 211. mounting a sheet; 212. a rotating shaft; 213. pressing a paper ball; 22. a guide rail; 23. a magnet block; 3. a second limit post; 31. a paper pressing ring; 32. an electric cylinder; 33. a plastic ring sheet; 331. a guard ring.

Detailed Description

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

Referring to fig. 1, for the utility model discloses a paper feeding device of offset press, including fuselage 1, pile paper platform 11, form advancing platform 12, adsorption component 13 and spacing post. The machine body 1 is in an L-shaped platform shape, one end of the machine body is vertically upward, the other end of the machine body is horizontal, an operation groove is formed in the upper surface of the horizontal section of the machine body 1, the operation groove penetrates through the side walls of the two sides of the machine body 1, and the inner bottom surface of the operation groove is the paper stacking platform 11. The paper feeding table 12 is rectangular and is disposed in the operation slot, and the bottom surface of the paper feeding table 12 is in sliding fit with the inner bottom surface of the operation slot, and in addition, the side walls of the two sides of the paper feeding table 12 are respectively attached to the inner side walls of the two sides of the operation slot and in sliding fit with the inner side walls of the two sides of the operation slot. The adsorption component 13 is an adsorption device in a paper feeding device of the existing offset press, and the adsorption component 13 is arranged on the machine body 1 and positioned on the upper side of the paper feeding table 12 and used for adsorbing and transferring the paper stacked on the paper stacking table 11 to the paper feeding table 12. The above are all conventional arrangements in the paper feeding device of the existing offset printing machine, and therefore, detailed description thereof is omitted.

Referring to fig. 1, the limiting columns include a first limiting column 2 and a second limiting column 3, the first limiting column 2 and the second limiting column 3 are respectively provided with two, the two first limiting columns 2 and the two second limiting columns 3 are sequentially and alternately arranged around the periphery of the paper pile on the paper pile platform 11, and in addition, the two first limiting columns 2 are respectively arranged on two sides of the paper pile close to and far away from the paper feeding platform 12. First spacing post 2 is that horizontal cross-section is circular shape column structure, and its vertical setting, and its lower extreme and pile paper platform 11 are fixed, in addition, the setting of bending of first spacing post 2 upper end. The first limiting column 2 is provided with a pressing ring 21, and the pressing ring 21 is in a circular ring plate shape, is sleeved on the first limiting column 2 and is in sliding fit with the first limiting column 2. The first limiting column 2 is provided with a guide rail 22, the guide rail 22 is vertically arranged and fixed with the side wall of the first limiting column 2, and the guide rail 22 penetrates through the pressing ring 21 and is matched with the pressing ring in a sliding mode, so that the pressing ring 21 is prevented from horizontally rotating. Referring to fig. 2, the bottom of the pressing ring 21 is provided with an installation sheet 211, a rotating shaft 212 and a paper pressing ball 213, the installation sheet 211 is rectangular sheet-shaped and is arranged on one side of the first limiting column 2 close to the paper stack, the installation sheet 211 is vertically arranged, and the edge of the upper side of the installation sheet 211 is fixed to the bottom surface of the pressing ring 21. The number of the mounting pieces 211 is two at the bottom of the pressing ring 21, and the two mounting pieces 211 are arranged in parallel. The paper pressing balls 213 are spherical and made of plastic, the paper pressing balls 213 are disposed between the mounting pieces 211, and the bottom spherical surface of the paper pressing balls 213 abuts against the uppermost paper surface of the paper stack. The rotating shaft 212 is in a circular shaft shape, the axis of the rotating shaft is parallel to the side face of the paper stack close to the first limiting column 2, two ends of the rotating shaft 212 are respectively fixed with the side walls of the two installation pieces 211 close to each other, and the rotating shaft 212 penetrates through the paper pressing ball 213 and is connected with the paper pressing ball 213 in a rotating mode. First spacing post 2 upper end is equipped with magnet piece 23, and magnet piece 23 is circular cubic, and it is fixed in on the terminal surface of first spacing post 2 upper end, and clamping ring 21 is made by iron, and when operating personnel slided clamping ring 21 to first spacing post 2 upper end, clamping ring 21 and magnet piece 23 adsorb to make clamping ring 21 be fixed in first spacing post 2 top, the operating personnel of being convenient for put into paper and pile.

Referring to fig. 1 and 3, the second limiting column 3 is provided with a paper pressing ring 31, an electric cylinder 32 and a plastic ring piece 33, wherein the paper pressing ring 31 is a circular ring-shaped plate, and is sleeved on the second limiting column 3 and slidably fits with the side wall of the second limiting column 3. The plastic ring piece 33 is a circular ring piece, and is sleeved on the second limiting column 3, and the upper surface of the plastic ring piece 33 is overlapped and fixed with the bottom surface of the paper pressing ring 31, so as to reduce the abrasion of the paper pressing ring 31 to the paper surface. The electric cylinder 32 is arranged at the top of the second limiting column 3, the electric cylinder 32 is fixed with the side wall of the second limiting column 3 and is arranged at one side of the second limiting column 3 far away from the paper stack, and the end part of a piston rod of the electric cylinder 32 faces downwards vertically and is fixed with the upper surface of the paper pressing ring 31. The protection ring 331 is a ring-shaped structure with a semicircular frame section, and is sleeved on the plastic ring piece 33, and the inner wall of the protection ring 331 is fixed with the side wall of the plastic ring piece 33.

The implementation principle of the embodiment is as follows: when the paper feeding device is used, paper is stacked on the paper stacking table 11, the second limiting column 3 and the first limiting column 2 are arranged on the periphery of the paper, the paper stacking has a limiting effect, the paper pressing ball 213 on the pressing ring 21 on the first limiting column 2 is lapped on the topmost paper in the paper stack, the paper pressing ring 31 also presses the topmost paper, when the adsorption component 13 adsorbs the topmost paper, the electric cylinder 32 is started to drive the paper pressing ring 31 to move upwards, so that only the local position pressed by the pressing ring 21 on the paper is pressed, then the adsorption component 13 adsorbs the topmost paper and transfers the topmost paper to the paper feeding table 12, in the process, the paper bends and is separated from the paper pressing ball 213, the paper pressing ball 213 is driven to rotate, the friction is smaller compared with the mode that the paper is pressed by the pressing ring 21, so that the paper is separated from the pressing ring 21 more easily, the paper is further prevented from wrinkling, and the paper reaches the paper feeding table 12 smoothly, preventing the paper feeding precision from being influenced.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a paper feeding device of offset press, includes fuselage (1), set up pile paper platform (11) that are used for stacking the paper on fuselage (1), set up and be used for transmitting paper to send paper platform (12) in the offset press on fuselage (1), set up and be used for adsorbing on pile paper platform (11) paper and transfer to adsorption component (13) and the vertical spacing post that sets up on pile paper platform (11) on sending paper platform (12) on fuselage (1), its characterized in that: the limiting column comprises a first limiting column (2) and a second limiting column (3), a pressing ring (21) which abuts against the uppermost paper of the paper stack is sleeved on the first limiting column (2), and the pressing ring (21) is matched with the first limiting column (2) in a sliding mode; the lower end of the second limiting column (3) is rotatably connected with the paper stacking table (11), and a paper pressing ring (31) is sleeved on the second limiting column (3); the paper pressing ring (31) is matched with the second limiting column (3) in a sliding mode, an electric cylinder (32) is arranged at the top of the second limiting column (3), and a piston rod of the electric cylinder (32) faces downwards vertically and is fixed with the paper pressing ring (31).

2. The paper feeding device of offset press as claimed in claim 1, wherein: the second limiting columns (3) and the first limiting columns (2) are respectively provided with two, and the second limiting columns (3) and the first limiting columns (2) are sequentially and alternately arranged along the periphery of the paper pile.

3. The paper feeding device of offset press as claimed in claim 2, wherein: clamping ring (21) bottom is fixed with two installation pieces (211) of parallel arrangement, be equipped with between installation piece (211) with the paper pile paper ball (213) of pressing that the top paper offseted, be fixed with between installation piece (211) and run through paper ball (213) of pressing and rotate axis of rotation (212) of being connected with paper ball (213).

4. The paper feeding device of offset printing machine according to claim 3, characterized in that: the axis of the rotating shaft (212) is parallel to the edge of the paper stack close to the first limiting column (2).

5. The paper feeding device of offset press as claimed in claim 1, wherein: the bottom surface of the paper pressing ring (31) is fixed with a plastic ring piece (33), and the bottom surface of the plastic ring piece (33) is attached to and abutted against the paper on the uppermost side of the paper stack.

6. The paper feeding device of offset press as claimed in claim 5, wherein: and a protection ring (331) with a semicircular section is fixed on the arc-shaped outer edge of the plastic ring piece (33), and the protection ring (331) is arranged around the plastic ring piece (33).

7. The paper feeding device of offset printing machine according to claim 3, characterized in that: the clamping ring (21) is made of magnetic metal, and a magnet block (23) attracted by the clamping ring (21) is fixed to the upper end of the first limiting column (2).