Creasing machine with paper jam prevention structure

By introducing structures such as a moving frame, positioning plate, and wedge-shaped lower pressure strip into the creasing machine, the problems of complex operation of fully automatic creasing machines and paper jams in manual creasing machines have been solved, achieving precise creasing and convenient mold replacement, thus improving production efficiency and equipment flexibility.

CN223701915UActive Publication Date: 2025-12-23BAZHONG SHENGSHI CLASSIC COLOR PRINTING CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423040395.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-10
Publication Date
2025-12-23
Estimated Expiration
2034-12-10

AI Technical Summary

Technical Problem

Existing fully automatic creasing machines are complex to operate and have high maintenance costs, while manual creasing machines are prone to paper jams and the fixed position of the creasing strip makes them difficult to disassemble and replace the creasing strip according to different paper specifications.

Method used

A creasing machine with an anti-paper jam structure was designed. It uses a moving frame and positioning plate to fix the paper edge, combined with a pressure screw for precise control, and uses a wedge-shaped pressure bar and rubber plug for limiting. The rotating frame can be flipped to quickly handle paper jams, and the quick-release bolts make it easy to replace the pressure bar.

Benefits of technology

It achieves precise creasing, reduces the risk of paper jams, improves production efficiency, simplifies the mold change process, reduces labor and time costs, and enhances equipment flexibility.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223701915U_ABST
    Figure CN223701915U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of publication printing, in particular to a marking press with a paper jam prevention structure, which comprises an operating table, moving frames are slidably connected to two ends of the top of the operating table, adjusting lead screws are in threaded connection with the interiors of the moving frames, and positioning plates are connected to the bottoms of the moving frames in an attached manner. And a shaft head of the adjusting lead screw is rotationally connected with the top of the positioning plate. According to the improved marking press, the lower pressing strip is of a wedge-shaped face, a good guiding effect is achieved, the risk that paper is clamped is reduced, the steering frame is of a turnover structure, paper clamping can be rapidly handled even if the paper clamping phenomenon occurs, a plurality of related parts do not need to be disassembled, and the edge of paper is fixed and compacted through adjustment of the movable frame and the positioning plate; according to the indentation device, precise indentation is achieved by combining precise control of the pressing lead screw, a single thick paper sheet or a plurality of thin paper sheets can be processed through the operation mode, then the indentation operation is rapidly completed through butt joint of the upper pressing strip and the lower pressing strip, and the production efficiency is greatly improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to publishing printing technical field, concretely is the indentation machine with anti paper jam structure. BACKGROUND

[0002] Publishing printing refers to the printing activities of the binding and cover of newspapers, periodicals, books, maps, New Year pictures, pictures, calendars, picture albums and audio-visual products, electronic publications, etc.

[0003] In the publishing printing, when the book page is bound, the page paper indentation machine is used, which can press the mark on the edge of the book page, so that the book page can be folded along the indentation more easily, so as to facilitate the subsequent binding operation, can make the book page fit the spine neatly, make the overall appearance of the book more beautiful, and help to prolong the service life of the book, reduce the damage of the book page due to frequent reading, mainly with full-automatic indentation machine and manual indentation machine.

[0004] The inventor found that the prior art has the following problems in the process of realizing the utility model: 1. The operation interface and function setting of the full-automatic indentation machine are relatively complex, and the operation personnel are required to be extremely high, and the maintenance cost is high, and the manual indentation machine is fixed in the position of the pressing strip, and the paper jam phenomenon is easy to appear in the paper feeding and pressing process; 2. And the fixed position of the pressing strip part after the paper jam leads to the difficulty in disassembly, and different products may need different shapes, sizes or materials of the pressing strip to achieve the best indentation effect, and most of the manual indentation equipment is inconvenient when replacing the pressing strip. CONTENT OF THE UTILITY MODEL

[0005] The purpose of this utility model is to provide a creasing machine with an anti-paper jam structure to solve the problems mentioned in the background art, such as the easy paper jamming caused by the fixed position of the pressure bar in manual creasing machines, and the difficulty in disassembling the pressure bar component after a paper jam. To achieve the above objective, this utility model provides the following technical solution: a creasing machine with an anti-paper jam structure, including an operating table, with movable frames slidably connected to both ends of the top of the operating table, an adjusting screw internally threaded to the movable frame, a positioning plate fitted to the bottom of the movable frame, and the shaft of the adjusting screw rotatably connected to the top of the positioning plate. A lower pressure bar is inserted into the operating table through a slot on its surface, the lower pressure bar being located between the movable frames. A steering frame is rotatably connected to one end of the operating table surface through a torsion spring, the steering frame being located directly above the lower pressure bar, and the steering frame being slidably connected through a pressure application component inside it. The device includes a mounting bracket with an upper pressure bar inserted into its slot. The upper pressure bar is located above the lower pressure bar. A reverse screw is rotatably connected to one end of the mounting bracket. Both ends of the outer wall of the reverse screw are threaded with stops. One side of each stop is tightly fitted to one end of the outer wall of the upper pressure bar. First positioning blocks are fixedly connected to both ends of the outer wall of the bogie. Second positioning blocks are movably connected to the top of the operating platform corresponding to the first positioning blocks via springs. The bottom of each second positioning block is fitted to the top of its corresponding first positioning block. Quick-release bolts are threaded between the top of the operating platform and the second positioning blocks.

[0006] The pressure-applying assembly includes a worm, a worm wheel, and a pressure-applying screw. The worm and the worm wheel are meshed and rotatably connected inside the bogie. The pressure-applying screw passes through the axis of the worm wheel and is threadedly connected to its inner wall. The shaft head at the bottom of the pressure-applying screw is rotatably connected to the top of the mounting bracket.

[0007] In a further preferred embodiment, the slots of the lower and upper pressure strips corresponding to the operating table and the mounting frame are both through-hole type at one end and non-through-hole type at the other end. The lower pressure strip has a wedge-shaped surface, and the upper pressure strip has a slot with the same specifications as the lower pressure strip inside, forming an interlocking connection with it. At the same time, a rubber plug is rotatably connected to the position of the through-hole of the lower pressure strip on the operating table, and the rubber plug is interlocked in the slot where the lower pressure strip is located and is tightly fitted to one end of the lower pressure strip.

[0008] In a further preferred embodiment, the top of the operating table is provided with a scale on the sliding groove surface corresponding to the movable frame, and one end of the movable frame is provided with a pointer that is attached to the scale surface. The scales are symmetrically distributed about the midpoint of the lower pressure bar, and the positioning plate is attached to the operating table surface by adjusting the screw.

[0009] Further preferably, the bogie is composed of an elastic reset structure by torsion spring and a 90° overturning structure on the surface of the operation table, and a threaded through hole for screwing quick-release bolts is arranged at one end of the outer wall of the bogie.

[0010] Further preferably, cavities are arranged on the inner walls of the notches of the mounting frame for inserting and connecting the upper pressing strip, the stop blocks and the reverse lead screw form a screw transmission structure, the stop blocks are in relative motion and slide in and out of the cavities at the two ends of the inner walls of the mounting frame, and the ends of the stop blocks abutting each other form an inserting and connecting structure.

[0011] Further preferably, the pressing lead screw forms a transmission structure by a worm and a worm wheel, and the mounting frame forms a lifting structure by the pressing lead screw at the bottom of the bogie and the top of the lower pressing strip.

[0012] Further preferably, the opposite sides of the first positioning block and the second positioning block form tangent inclined surfaces, the second positioning block slides in a sliding groove arranged on the top vertical plate of the operation table, the other end of the second positioning block is fixedly connected with a lever, and the lever is slidingly connected to the other side of the vertical plate.

[0013] Compared with the prior art, the bogie has the advantages that:

[0014] In the utility model, the paper edge is fixed and compacted by the adjustment of the moving frame and the positioning plate, and the accurate control of the pressing lead screw is combined to realize accurate indentation, whether thick single paper or multiple thin papers can be processed by the operation mode, and the indentation operation is quickly completed by the butt joint of the upper pressing strip and the lower pressing strip, so that the production efficiency is greatly improved.

[0015] In the utility model, the lower pressing strip is wedge-shaped and has a good guiding effect, the risk of paper jamming is reduced, the rubber plug fills the gap at one end of the lower pressing strip and limits the lower pressing strip, the overturning structure of the bogie can be quickly processed when paper jamming occurs, a plurality of related parts do not need to be disassembled, tedious and time-consuming operation and unnecessary damage to the equipment are avoided, the rubber plug is pulled out, the stop blocks are separated by rotating the reverse lead screw, the lower pressing strip and the upper pressing strip can be easily taken out and replaced. The convenient mold replacement mode saves time and labor cost and improves the use flexibility of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a front view structural schematic diagram of the utility model;

[0017] Figure 2 It is a partial structure schematic diagram of the operation table of the utility model;

[0018] Figure 3 It is an internal structure schematic diagram of the mounting frame of the utility model;

[0019] Figure 4 It is the internal structure schematic view of the bogie of the utility model;

[0020] Figure 5 It is the utility model Figure 1 The structure amplification schematic view of A place in the middle.

[0021] In the drawing: 1, operation platform; 2, moving frame; 3, adjusting screw; 4, positioning plate; 5, down pressure bar; 6, bogie; 7, pressure applying assembly; 701, worm; 702, worm wheel; 703, pressure applying screw; 8, mounting frame; 9, up pressure bar; 10, reverse screw; 11, stop block; 12, first positioning block; 13, second positioning block; 14, quick release bolt; 15, rubber plug. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor fall within the scope of the utility model.

[0023] Please refer to Figures 1 to 5 The utility model provides a kind of technical scheme: indentation machine with anti jamming structure, including operation platform 1, operation platform 1 top both ends are slidably connected with moving frame 2, the inside screw connection of moving frame 2 is equipped with adjusting screw 3, the bottom of moving frame 2 is connected with positioning plate 4, the shaft head of adjusting screw 3 is rotatably connected with the top of positioning plate 4, operation platform 1 is inserted and connected with down pressure bar 5 by the slot opening of its surface, down pressure bar 5 is between moving frame 2, operation platform 1 surface one end is rotatably connected with bogie 6 by torsion spring, bogie 6 is directly above down pressure bar 5, bogie 6 is slidably connected with mounting frame 8 by the pressure applying assembly 7 of its internal arrangement, mounting frame 8 is inserted and connected with up pressure bar 9 by the slot opening of its arrangement, up pressure bar 9 is above down pressure bar 5, one end of mounting frame 8 inside is rotatably connected with reverse screw 10, the outer wall both ends of reverse screw 10 are screw-connected with stop block 11, the side of stop block 11 is tightly attached with the one end of the outer wall of up pressure bar 9, the outer wall both ends of bogie 6 are fixedly connected with first positioning block 12, the position of operation platform 1 top corresponding first positioning block 12 is movably connected with second positioning block 13 by spring, the bottom of second positioning block 13 is attached to the top of its corresponding first positioning block 12, quick release bolt 14 is screw-connected between operation platform 1 top corresponding second positioning block 13.

[0024] The pressure applying assembly 7 comprises a worm 701, a worm wheel 702 and a pressure applying screw rod 703, the worm 701 and the worm wheel 702 are in meshing connection and rotationally connected to the inside of the bogie 6, the pressure applying screw rod 703 penetrates the shaft center of the worm wheel 702 and is in threaded connection with the inner wall thereof, and the shaft head at the bottom of the pressure applying screw rod 703 is rotationally connected with the top of the mounting frame 8.

[0025] In the embodiment, as shown in Figure 2 and Figure 4 , the opposite ends of the slots of the lower pressing strip 5 and the upper pressing strip 9 corresponding to the operation table 1 are in penetrating type and non-penetrating type respectively, the lower pressing strip 5 is in wedge shape, the inside of the upper pressing strip 9 is in a slot with the same specification as the lower pressing strip 5 and is in plug-in connection with the lower pressing strip 5, the position of the penetrating slot of the lower pressing strip 5 corresponding to the operation table 1 is rotationally connected with a rubber plug 15, and the rubber plug 15 is in plug-in connection in the slot where the lower pressing strip 5 is located and is tightly attached to one end of the lower pressing strip 5; the penetrating slot is used to install the lower pressing strip 5 and the upper pressing strip 9, compared with the traditional complex installation method, a more direct insertion path is provided, which enables the staff to more conveniently insert the corresponding pressing strip along the penetrating slot to the appropriate position, the traditional concave-convex pressing strip mold is easy to cause the edge of the paper to be raised or stuck if the angle between the paper and the mold is slightly deviated when the paper enters, the surface slope of the lower pressing strip 5 plays a guiding role and reduces the risk of paper jamming, and the rubber plug 15 at one end of the lower pressing strip 5 fills the excess gap in the slot, thereby limiting the lower pressing strip 5.

[0026] In the embodiment, as shown in Figure 1 and Figure 2 , the operation table 1 is provided with a scale on the surface corresponding to the sliding groove of the moving frame 2, one end of the moving frame 2 is provided with a pointer attached to the surface of the scale, the scales are symmetrically distributed about the midpoint of the lower pressing strip 5, and the positioning plate 4 is attached to the surface of the operation table 1 through the adjusting screw 3; when processing paper with different specifications, the moving frame 2 can be moved to the appropriate position by directly referring to the scale, which helps to ensure the symmetry of the two ends of the moving frame 2 during the adjustment process, thereby ensuring that the lower pressing strip 5 and the upper pressing strip 9 can accurately act on the edge of the paper, so as to realize precise indentation operation and improve the indentation quality and the precision of paper processing.

[0027] In the embodiment, as shown in Figure 1As shown, the bogie 6 is composed of a resilient reset structure by torsion spring and a 90° overturning structure on the surface of the operation table 1, and a threaded hole is formed on one end of the outer wall of the bogie 6 for screwing the quick-release bolt 14; in the conventional manual and automatic indentation equipment, the top pressing component is a fixed structure, and once the paper jam occurs, multiple related parts need to be disassembled, which is not only time-consuming and tedious, but also may cause unnecessary damage to the equipment, while the bogie 6 can realize overturning on the top of the down bar 5, and can be fixed by the quick-release bolt 14 during use, so that the paper jam can be quickly handled.

[0028] In this embodiment, as shown in Figure 3 and Figure 4 , the mounting frame 8 is inserted into the notch of the upper pressing bar 9, and the cavity is formed on the inner wall of the mounting frame 8, and the stop block 11 and the reverse screw 10 form a screw transmission structure, and the stop block 11 forms a relative motion and slides in and out of the cavity on the inner wall of the mounting frame 8, and the end of the stop block 11 is inserted into the notch; during the pressing process, the upper pressing bar 9 is the pressing end, and its stability is very important, by setting the stop block 11 on the inner wall of the mounting frame 8, the stop block 11 and the reverse screw 10 form a screw transmission structure, and move close or apart under relative motion, and when close, they are inserted into each other to increase the tightness and resist on one side of the upper pressing bar 9, effectively ensuring that the upper pressing bar 9 always remains in the correct position, improving the accuracy of the indentation, and after separation, providing a disassembly channel for the upper pressing bar 9, which makes the replacement of the upper pressing bar 9 very convenient and fast.

[0029] In this embodiment, as shown in Figure 4 , the pressing screw 703 forms a transmission structure through the worm 701 and the worm gear 702, and the mounting frame 8 forms a lifting structure through the pressing screw 703 on the bottom of the bogie 6 and the top of the down bar 5; when the internal pressing assembly 7 of the bogie 6 is driven, the overall descent of the mounting frame 8 can be realized, and then the butt joint of the upper pressing bar 9 and the down bar 5 is realized, and since the mounting frame 8 can be stably lowered and provide uniform pressing force, this structure can handle multiple thin pages at a time, and multiple thin papers can be simultaneously pressed by this pressing method, greatly improving the production efficiency.

[0030] In this embodiment, as shown in Figure 1 , Figure 3 and Figure 5As shown, the first positioning block 12 and the second positioning block 13 are opposite and form tangent inclined surface structures, the second positioning block 13 slides in the sliding groove of the vertical plate of the operation table 1, the second positioning block 13 is elastically reset by the spring, the other end of the second positioning block 13 is fixedly connected with a lever, and the lever is slidingly connected to the other side of the vertical plate; the first positioning block 12 on the two sides of the bogie 6 is in contact with the corresponding second positioning block 13 when the bogie 6 is turned over, the first positioning block 12 passes through the elastic structure of the second positioning block 13, the spring is compressed when the bogie 6 is pressed, the second positioning block 13 moves to the side of the spring, and finally the first positioning block 12 passes through; the second positioning block 13 is reset under the action of the spring, is recombined with the surface of the first positioning block 12, and is blocked, the preliminary positioning of the bogie 6 is realized, the operator can further fix the bogie 6 by combining the quick release bolt 14, and the stability of the bogie 6 is further improved.

[0031] The use method and advantages of the utility model are as follows: the indentation machine with the paper jam prevention structure has the following working process during use:

[0032] For example Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, first when the processed page is thick, it is inserted from the gap between the lower pressing strip 5 and the upper pressing strip 9, and the operator first observes the scale on the scale according to the size of the paper and the position requirement of the book back spine, determines the distance and direction that the moving frame 2 needs to move, and after determining the position of the moving frame 2, the adjusting screw rod 3 provided with a motor is used to lower the positioning plate 4 to press the edges of the page, and at this time, the worm 701 is rotated by the external power source of the bogie 6, the rotation of the worm 701 is engaged to rotate the worm gear 702, and the screw structure at the shaft center of the worm gear 702 is used to realize the linear motion of the pressing screw rod 703, and finally the mounting frame 8 at the bottom of the pressing screw rod 703 is lowered, and the upper pressing strip 9 is gradually close to the lower pressing strip 5 under the driving of the mounting frame 8. In this process, the operator can accurately control the lowering distance of the pressing screw rod 703 according to the thickness of the paper and the indentation requirement, if a plurality of thin paper pages need to be processed at one time, first arrange the plurality of thin paper pages neatly, ensure that the edges of the paper are aligned and pass through the adjusting positioning plate 4 in a single operation mode, realize the pressing of the plurality of paper pages, and realize the indentation operation of the paper by the butt joint of the lower pressing strip 5 and the upper pressing strip 9, and the butt joint surface of the lower pressing strip 5 and the upper pressing strip 9 of the equipment is designed to be different specifications according to the actual processing needs to process the corresponding indentation effect, when the mold needs to be replaced, first thread the quick release bolt 14, separate the shaft head at one end from the threaded hole in the bogie 6, and press the lever on the outer wall of the vertical plate on the surface of the operation table 1 in a relative motion manner. The second positioning block 13 is pulled by the lever and is pressed to one side of the spring, and is separated from the top of the first positioning block 12, after losing the limitation of the second positioning block 13, the bogie 6 can be turned under the torsional spring structure, the rubber plug 15 on one side of the slot of the lower pressing strip 5 is pulled out of the slot under the turnover structure, and the handle outside the mounting frame 8 is turned, and when the reverse screw rod 10 rotates, the stop block 11 which constitutes a screw transmission structure with the reverse screw rod 10 is gradually separated in a relative motion, and slides into the cavity provided at both ends of the inner wall of the mounting frame 8, so that the operator can directly take out the upper pressing strip 9 from one end of the through slot on the surface of the mounting frame 8.

[0033] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A creasing machine with a paper jam prevention structure, comprising an operating table (1), characterized in that: The operating platform (1) top both ends are slidingly connected with the moving frame (2), the inside of moving frame (2) is threadedly connected with the adjusting lead screw (3), the bottom of moving frame (2) is connected with the locating plate (4), the shaft head of adjusting lead screw (3) is rotatably connected with the top of locating plate (4), the operating platform (1) is insertedly connected with the down bar (5) through the slot on its surface, the down bar (5) is located between moving frame (2), the operating platform (1) is rotatably connected with the bogie (6) through the torsion spring on one end of its surface, the bogie (6) is located directly above the down bar (5), the bogie (6) is slidingly connected with the mounting bracket (8) through the pressure assembly (7) arranged in its inside, the mounting bracket (8) is insertedly connected with the up bar (9) through the slot on its surface, the up bar (9) is located above the down bar (5), one end of the inside of mounting bracket (8) is rotatably connected with the reverse lead screw (10), the outer wall of reverse lead screw (10) is threadedly connected with the stop block (11) on both ends, one side of stop block (11) is closely attached to one end of the outer wall of up bar (9), the outer wall of bogie (6) is fixedly connected with the first locating block (12) on both ends, the operating platform (1) top is movably connected with the second locating block (13) on the position corresponding to the first locating block (12), the bottom of second locating block (13) is attached to the top of the corresponding first locating block (12), the operating platform (1) top is threadedly connected with the quick release bolt (14) between the corresponding second locating block (13). The pressure assembly (7) includes worm (701), worm gear (702) and pressure lead screw (703), the worm (701) and worm gear (702) are engagedly connected, and the worm (701) and worm gear (702) are rotatably connected in the inside of bogie (6), the pressure lead screw (703) penetrates the axis of worm gear (702) and is threadedly connected with its inner wall, the shaft head of the bottom of pressure lead screw (703) is rotatably connected with the top of mounting bracket (8).

2. The creasing machine having a paper jam prevention structure according to claim 1, characterized by: The slot end of operating platform (1) and mounting bracket (8) corresponding to the inserted down bar (5) and up bar (9) is through type, the other end is non-through type, the down bar (5) is wedge-shaped, the inside of up bar (9) is a slot with the same specification as down bar (5) and forms inserted connection with it, the rubber plug (15) is rotatably connected with the through slot of operating platform (1) corresponding to down bar (5), and is insertedly connected in the slot where down bar (5) is located and closely attached to one end of down bar (5).

3. The creasing machine having a paper jam prevention structure according to claim 1, characterized by: The top of operating platform (1) is provided with a scale on the surface of the sliding slot opened by moving frame (2), one end of moving frame (2) is provided with a pointer closely attached to the surface of scale, and the scales are symmetrically distributed about the midpoint of down bar (5), and the locating plate (4) is closely attached to the surface of operating platform (1) through adjusting lead screw (3).

4. The creasing machine having a paper jam prevention structure according to claim 1, characterized by: The bogie (6) is composed of elastic reset structure by torsion spring and 90° overturning structure on the surface of the operation platform (1), and a threaded through hole for screwing quick release bolt (14) is arranged at one end of the outer wall of the bogie (6).

5. The creasing machine having a paper jam prevention structure according to claim 1, characterized by: The mounting frame (8) is used for inserting and connecting into the notch of the upper pressing strip (9), the inner wall of the notch is provided with a cavity, the stop block (11) and the reverse lead screw (10) are composed of screw transmission structure, the stop blocks (11) are in relative motion and slide in and out of the cavities in the inner wall of the mounting frame (8) at both ends, and the end of the stop blocks (11) abutting each other is composed of inserting and connecting.

6. The creasing machine having a paper jam prevention structure according to claim 1, characterized by: The pressing lead screw (703) is composed of transmission structure by worm (701) and worm gear (702), and the mounting frame (8) is composed of lifting structure by the pressing lead screw (703) at the bottom of the bogie (6) and the top of the lower pressing strip (5).

7. The creasing machine having a paper jam prevention structure according to claim 1, characterized by: The opposite side of the first positioning block (12) and the second positioning block (13) is composed of tangent inclined surface structure, the second positioning block (13) slides in the sliding groove of the top vertical plate of the operation platform (1), the other end of the second positioning block (13) is fixedly connected with a lever, and the lever is slidingly connected to the other side of the vertical plate.