CN211971246U

CN211971246U - Book and periodical machine book section flattening mechanism

Info

Publication number: CN211971246U
Application number: CN202020600999.4U
Authority: CN
Inventors: 林海波
Original assignee: Qingdao Sunna Electric Co ltd
Current assignee: Qingdao Sunna Electric Co ltd
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2020-11-20
Anticipated expiration: 2030-04-21

Abstract

The utility model relates to the field of printing equipment, in particular to a book and periodical machine signature flattening mechanism, which comprises a conveyor belt, a transmission case, a paper rolling roller and a tensioning roller; the transmission box is arranged on one side of the conveyor belt, and a driving chain wheel, a driven chain wheel and an adjustable chain wheel which are meshed with the chain are arranged in the conveyor belt and are driven by the chain; the tensioning roller is arranged between the upper layer of conveying belt and the lower layer of conveying belt and is connected with the driving chain wheel, and the paper grinding roller is arranged above the conveying belt and is connected with the adjustable chain wheel. The utility model is suitable for various book and periodical machines, can realize the requirement of flattening and compacting the book section on the premise of ensuring that the original book and periodical machine is not greatly changed, thereby adapting to a matched stacking machine and ensuring the normal use of the original equipment; the distance between the paper rolling roller and the conveyor belt is adjustable, so that the paper rolling roller is suitable for signature products with different thicknesses, and is wide in application range, simple in structure and convenient to operate.

Description

Book and periodical machine book section flattening mechanism

Technical Field

The utility model belongs to the technical field of lithography apparatus and specifically relates to book and periodical machine signature flattening mechanism.

Background

With the improvement of printing efficiency and print quality of a printing machine, the printing speed of books and periodicals is improved from 2.2 million prints to 3 million prints, the paper quality is improved from 50 grams to 60 grams, the paper stiffness is increased, air in paper gaps cannot be discharged after the books and periodicals are folded for multiple times, so that finished signatures are bulkier than the former products, and the original matched stacking machine cannot normally collect the finished signatures.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the above problem, a book and periodical machine signature flattening mechanism is provided to under the prerequisite of not carrying out great change to original book and periodical machine, flatten the compaction with the signature, thereby guarantee that original stacker can normal use. The technical scheme is as follows:

the book and periodical machine signature flattening mechanism comprises a conveyor belt, a transmission box, a paper rolling roller and a tensioning roller; the transmission box is arranged on one side of the conveyor belt, and a driving chain wheel, a driven chain wheel and an adjustable chain wheel which are meshed with the chain are arranged in the conveyor belt and are driven by the chain; the tensioning roller is arranged between the upper layer of conveying belt and the lower layer of conveying belt and is connected with the driving chain wheel, and the paper grinding roller is arranged above the conveying belt and is connected with the adjustable chain wheel.

Preferably, two ends of the paper grinding roll are connected with sliding blocks, and the sliding blocks are installed in the fixed seats on two sides of the conveyor belt and can slide up and down along sliding grooves in the fixed seats; the fixing seat is in threaded connection with a connecting rod of the adjusting hand wheel, and the lower end of the connecting rod is fixedly connected with the sliding block through a fixing bolt.

On the basis of the scheme, a buffer spring is sleeved outside the connecting rod of the adjusting hand wheel, the lower end of the buffer spring is abutted against the sliding block, the upper end of the buffer spring is abutted against a limiting bolt on the connecting rod, and the limiting bolt is in threaded connection with the connecting rod.

Preferably, a paper guide strip is arranged above the conveyor belt, the paper guide strip is obliquely and downwards arranged along the advancing direction of the conveyor belt, and the bottom of the paper guide strip is positioned below the paper grinding roller; the upper end of the paper guide strip is fixedly connected with the cross rod, and the two ends of the cross rod are fixedly connected with the fixing rods on the two sides of the conveying belt.

On the basis of the scheme, the number of the paper guide strips is multiple, and the paper guide strips are uniformly distributed along the cross rods.

Preferably, a floral whorl is arranged above the starting position of the side surface on the conveyor belt, and arc-shaped blades are uniformly distributed on the outer side of the floral whorl; and the tail part of the side surface of the conveying belt is provided with a stacking machine.

The utility model has the advantages that: the section flattening mechanism of the book and periodical machine is suitable for various book and periodical machines, and can meet the requirements of flattening and compacting the sections on the premise of not greatly changing the original book and periodical machine, so that the section flattening mechanism is suitable for a matched stacking machine and ensures the normal use of the original equipment; the distance between the paper rolling roller and the conveyor belt is adjustable, so that the paper rolling roller is suitable for signature products with different thicknesses, and is wide in application range, simple in structure and convenient to operate.

Drawings

FIG. 1: the utility model discloses a front view of the structure;

FIG. 2: the utility model discloses structure section view.

Detailed Description

The invention will be further explained with reference to the following figures and examples:

in the present invention, 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 integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, it is to be understood that the terms "center", "length", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in fig. 1 of the drawings, and are merely 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 construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 and 2, the signature flattening mechanism of the book and periodical machine comprises a conveyor belt 3, a transmission box 7, a paper rolling roller 14 and a tensioning roller 15, wherein a flower wheel 2 is arranged above the starting position of the upper side surface of the conveyor belt 3, and arc-shaped blades are uniformly distributed on the outer side of the flower wheel 2; stacker 6 is established to the side afterbody on conveyer belt 3, and the section 1 of waiting to process falls into between the blade of floral whorl 2 to on falling conveyer belt 3 along with the rotation of floral whorl 2, send to stacker 6 department after grinding paper roll 14 along with conveyer belt 3. The transmission box 7 is arranged on one side of the conveyor belt 3, and a driving sprocket 8, a driven sprocket 10 and an adjustable sprocket 9 which are meshed with a chain are arranged in the conveyor belt 3 and are driven by the chain; tensioning roller 15 sets up between upper and lower two-layer conveyer belt 3 to be connected with drive sprocket 8, roll 14 sets up in conveyer belt 3 top, and is connected with adjustable sprocket 9.

Two ends of the paper grinding roller 14 are connected with sliding blocks 13, and the sliding blocks 13 are installed in the fixed seats 12 on two sides of the conveyor belt 3 and can slide up and down along sliding grooves in the fixed seats 12; fixing base 12 and adjusting hand wheel 11's connecting rod threaded connection, the connecting rod lower extreme passes through fixing bolt 18 and slider 13 fixed connection, and through rotating adjusting hand wheel 11, drives slider 13 and reciprocates along the spout in fixing base 12 to adjust the interval of grinding paper roll 14 and tensioning roller 15 according to the section thickness. Preferably, a buffer spring 17 is sleeved outside a connecting rod of the adjusting hand wheel 11, the lower end of the buffer spring 17 is abutted against the sliding block 13, the upper end of the buffer spring is abutted against a limit bolt 16 on the connecting rod, and the limit bolt 16 is in threaded connection with the connecting rod. Through the structure, when the thickness of the signatures on the conveying belt fluctuates, the paper grinding roller 14 can float up and down, so that the phenomenon that paper is crushed or the signatures 1 are difficult to pass through is avoided, and the compression amount of the buffer spring 17 is adjusted by adjusting the distance between the limiting bolt 16 and the sliding block 13, so that the pressure of the paper grinding roller 14 on the signatures 1 is changed.

In order to ensure that the signatures 1 smoothly pass through the paper rolling roller 14, the paper guiding strips 4 are arranged above the conveyor belt 3, the paper guiding strips 4 are obliquely and downwards arranged along the advancing direction of the conveyor belt 3, the bottoms of the paper guiding strips 4 are positioned below the paper rolling roller 14, the paper guiding strips 4 are elastic, grooves with corresponding widths are formed in the positions, in contact with the paper guiding strips 4, of the paper rolling roller 14, the lower ends of the paper guiding strips 4 can be positioned in the grooves, and therefore the signatures 1 can be pressed better. The upper end of the paper guide strip 4 is fixedly connected with the cross rod 5, and the two ends of the cross rod 5 are fixedly connected with the fixing rods on the two sides of the conveyor belt 3. Preferably, the number of the paper guide strips 4 is multiple, and the paper guide strips are uniformly distributed along the cross bars 5, so that the pressing area of the signatures 1 is increased, and the pressing effect is improved.

The present invention has been described above by way of example, but the present invention is not limited to the above-mentioned embodiments, and any modification or variation based on the present invention is within the scope of the present invention.

Claims

1. The book and periodical machine signature flattening mechanism is characterized by comprising a conveyor belt (3), a transmission box (7), a paper flattening roller (14) and a tensioning roller (15); the transmission box (7) is arranged on one side of the conveyor belt (3), and a driving chain wheel (8), a driven chain wheel (10) and an adjustable chain wheel (9) which is meshed with a chain are arranged in the conveyor belt (3) and are driven by the chain; tensioning roller (15) set up between upper and lower two-layer conveyer belt (3) to be connected with drive sprocket (8), grind paper roll (14) and set up in conveyer belt (3) top, and be connected with adjustable sprocket (9).

2. The signature flattening mechanism of the book and periodical machine according to claim 1, wherein two ends of the paper rolling roller (14) are connected with sliding blocks (13), the sliding blocks (13) are installed in the fixed seats (12) at two sides of the conveyor belt (3) and can slide up and down along sliding grooves in the fixed seats (12); the fixed seat (12) is in threaded connection with a connecting rod of the adjusting hand wheel (11), and the lower end of the connecting rod is fixedly connected with the sliding block (13) through a fixing bolt (18).

3. The signature flattening mechanism of the book and periodical machine according to claim 2, wherein a buffer spring (17) is sleeved outside a connecting rod of the adjusting hand wheel (11), the lower end of the buffer spring (17) abuts against the sliding block (13), the upper end of the buffer spring abuts against a limit bolt (16) on the connecting rod, and the limit bolt (16) is in threaded connection with the connecting rod.

4. The signature flattening mechanism of the book and periodical machine according to claim 1, wherein a paper guiding strip (4) is arranged above the conveyor belt (3), the paper guiding strip (4) is arranged obliquely downwards along the advancing direction of the conveyor belt (3), and the bottom of the paper guiding strip (4) is positioned below the paper rolling roller (14); the upper end of the paper guide strip (4) is fixedly connected with the cross rod (5), and the two ends of the cross rod (5) are fixedly connected with the fixing rods on the two sides of the conveyor belt (3).

5. The signature flattening mechanism of a book and periodical machine according to claim 4, wherein the number of the paper guiding strips (4) is multiple and the strips are uniformly distributed along the cross bar (5).

6. The signature flattening mechanism of the book and periodical machine according to claim 1, wherein a flower wheel (2) is arranged above the starting position of the upper side of the conveyor belt (3), and arc-shaped blades are uniformly distributed on the outer side of the flower wheel (2); and a stacker (6) is arranged at the tail part of the upper side surface of the conveyor belt (3).