Post-press binding is a processing procedure with complex technology, many kinds of materials and large changes. Because the working principles of the binding processes are completely different, they are all human-like manual operations, so there are many types of binding machines, and their structures, uses, and performance are different. At present, there are more than 300 types, models, and forms of binding equipment, and there are more than 10 types of linkage production lines. Each line has different models and forms. There is almost no commonality between the single-machine equipment of the types of work.
Although there are many types of printing machines, there are few varieties and the same working principle. The process of printing a book is relatively simple. The paper is printed once by the printing machine. Repeat this process to achieve the required number of prints and the number of prints, so that the structure of the printing machine The form is basically stable, and it is relatively simple to design, manufacture, use, and adjust, and it is easy to accumulate mature experience. The binding process has many procedures, and the binding materials and binding methods vary greatly. The simplest riding linkage binding also requires five or six procedures, and there are dozens of complicated hardcover procedures. Therefore, the binding machine has two major characteristics: one is the structure There are many forms, and the second is the state of mechanical movement. The printing and binding workloads are very different, which often results in the speed of binding not catching up with the speed of printing. The contradiction of imbalance between printing and binding is always very prominent. Therefore, it is necessary to configure and maintain the binding equipment properly.
1. Equipment configuration
Whether you are investing in major equipment or auxiliary equipment, you must first be familiar with and understand the basic performance, price, quality, and speed of the binding equipment to determine whether the equipment can effectively meet your configuration needs; second, the binding equipment is more adaptable, In addition to meeting the regular needs within the company, it is best to match the needs of some customers to provide non-standard substrates. If we choose the configuration that can adapt to the needs of the market, effectively solve the integration problem between various processes, thereby improving production efficiency and product quality, then the configuration plan is undoubtedly successful. Updating and adding necessary equipment is a hardware factor to ensure product quality, and the configuration of machine functions is more important. Under the principle of following the same price to see quality and the same quality to see price, as far as possible to make the machine function configuration tend to be reasonable. Another purpose of rational allocation is to maximize profits.
1. Folding machine
According to the different folding mechanism and technical performance, the folding machine can be divided into knife folding machine, fence folding machine, grid knife hybrid folding machine and plastic wire ironing folding machine.
The grid knife hybrid folding machine has both a fence folding mechanism and a knife folding mechanism. Its structural characteristics are: the first, second, third, fourth, fifth, and sixth folds can all adopt the fence type, so the folding speed is fast, and the second, third, and fourth folds can also be matched with the knife structure, so the folding quality is good , Stable performance, simple adjustment, easy operation and maintenance.
At present, the common configuration of most post-press binding enterprise folding machines is a double-barrel + 3 knife grid knife hybrid folding machine, which can basically meet the needs of all binding folding. However, if it is a 4-fold, 8-fold, or 16-fold hypermarket DM advertisement, a newspaper insert, a cover, or a small advertisement, then the configuration of a 4-fold 2 fence + 1 knife grid knife hybrid folding machine is not only economical, but also easy to adjust and save effort. From the size point of view, the model with a folding width of 640mm is the current mainstream, but in order to adapt to small sheets, it is very suitable to equip a model with a folding width between 740 and 760mm. In addition, it is best to have one of the folding machines that is compatible with the double folding method, then your configuration function is basically perfect.
The current folding machine has up to 20% folding times, more than 60 folding methods, and extended to glue dispensing, pressing and receiving, automatic bundling, printing address, labeling and other functions, according to the actual situation These auxiliary functions need to be selected.
My company's folding machine configuration is: 2 full-page folding machines, Japan's Zhengrong 740 split 4 fence + 3 knife grid knife hybrid folding machine (can fold small sheets and 33g thin paper), Zihong 660 pairs of 4 fence + 3 knife grid knife hybrid folding machine (compatible with folding double), Beiren Shun 640 split 4 fence + 3 knife grid knife hybrid folding machine, 4 sets, 440 four open 2 fence + 2 knife grid knife hybrid folding machine (folding cover, fragmented objects).
2. Collating machine
According to the different gripping mechanism, the collating machine can be divided into a pincer collating machine and a rolling collating machine (there is also a single gripper and a double gripper); according to the different forms of storage, it is divided into vertical collation Machine and horizontal collating machine. Because the action of the gripper is a reciprocating motion, the speed of the collet collating machine is slower than that of the roller collating machine, and it is generally suitable for medium speed operation. Horizontal collating machine is generally used for matching with automatic renewal device, so manual renewal is not very convenient, generally used for supporting high-speed linkage. At present, most domestic printing companies are equipped with a vertical collating machine (the roll part is used for the gripper). From the perspective of the actual production effect of a single collation machine, 12 collation stations are the most appropriate, which can improve efficiency and reduce errors in collation. Because when the number of collating stations is increased from 12 to 18, with the increase of the number of book buckets in the collating machine and the number of collations each time, the probability of downtime and the probability of downtime will increase greatly within a certain period of time , Will reduce the reliability and utilization factor of the machine. Of course, the automatic detection device and total waste discharge device of each station are indispensable important configurations of the collating machine.
3. Sewing machine
The thread-locking machine can be divided into a semi-automatic thread-locking machine for manual binding and a fully automatic binding machine for binding. There are two types of locks: flat lock and cross lock. Judging from the customer's quality requirements now, it is the general trend to choose a model that can use thin needles, thin threads and fine pitches (which can prevent glue from penetrating into the book block and misaligning the cut post). The cross-locking line is much tighter than the parallel locking line, which reduces the thickness of the back of the book and prevents the wrinkles of the back of the hardcover thick book, but it is not suitable for the lock line with a spread page between two posts (it is easy to produce books of about 1 ~ 2mm) Between posts). From the perspective of the scope of application of the size of the thread locker, it is necessary to be able to lock the stickers from A3 (297mm × 420mm) to A7 (74mm × 350mm). Therefore, a thread-locking machine that can use 10 sets of fine needles, which can be half-locked and cross-locked, and has a maximum size width of 297mm can meet the requirements of modern thread-locking.
At the same time, the author strongly recommends that the wool book core after the thread lock be compressed with a compactor to ensure the quality of the finished product. Because the book block formed after the thread is locked by the thread is relatively slack, especially when making a thin paper thick book, the number of posts is large. The book block must be compressed to make the back of the book flat, strong, and straight, and the thickness of the book block is basically be consistent. At present, there are two types of compactors: mechanical and hydraulic. Generally, horizontal hydraulic small machines are used. The pressure is about 10t, the speed is 20 books / minute, and the maximum thickness is 60mm. Both single and double can be compacted. During operation, one book is pressed, and only the back part of the book block is pressed. At present, book block pressing has become an indispensable process in the book binding process.
4. Cutting machine
The single-sided book cutter is best to choose a chrome-plated or nickel-treated surface or a synthetic material surface to avoid staining the last piece of paper with rust. The cutter types of the three-sided book cutter include linear type, oblique type and arc type. It is best to use an innovative arc swing book cutter, which can avoid the wrinkle of the back of the book and can better solve the problem of broken head. Although both the bookbinding and hardcover linkages are equipped with high-speed three-sided cutters, it is ideal to add a semi-automatic three-sided cutter for fragmented cutting objects, because for thin books of about 3mm, high-speed automatic three-sided cutters The machine is difficult to cope with, and many varieties, small batches, sewing and spiral binding are only flexible, convenient, and adaptable to the semi-automatic three-sided book cutter.
5. Le mouth machine
With the colorful decoration on the cover surface, the guillotine method is also widely used, so the defects and disadvantages of manual guillotine are fully exposed. The notch machine not only saves the process, but also has high output and fewer people. The most important thing is that the quality is stable and reliable (unmatched by hand), and it can deal with thick cardboard prints like 300g / m2 or more, and the mouth exceeds the front of the book block. 3mm fake hardcover (manually impossible to do in the past). Therefore, it is the future development trend to replace the manual mouthpiece by the mouthpiece machine.
6. Horse riding
From the perspective of the size of the format, it is necessary to choose a single book that can be A3 (297mm x 420mm) size, and a double book that can be A3 (2lOmm x 297mm) size. The maximum thickness is 8mm. Ten matching stations for page spreaders are more suitable. Generally, there are two methods for detecting the total thickness of the riding linkage: one is to detect the thickness of the back of the book, and the other is to detect the thickness of the spine area. Although the principle of lever magnification is applied, due to the relatively high pressure during detection, the former method is easy to cause the crease of the book back crease (factors such as pressure roller wear), while the latter is relatively good and the detection is stable. In addition, the saddle stitching automatic control device should be complete (missing posts, multiple posts, wrong posts, etc.), and the detection and identification means should be run through the entire saddle stitching process.
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