High-precision full-automatic page folding assembly for publications

Abstract

The utility model provides a high-precision full-automatic page folding assembly for publications, which solves the problems of page folding breakage and the like of paper and comprises a conveying table top, a page folding groove is formed in the upper end of the conveying table top, the conveying table top is connected with a folding knife capable of being inserted into the page folding groove through a turnover assembly, and a push plate linked with the turnover assembly is installed in the page folding groove. The push plate is ejected out of the folding groove along with lifting of the folding knife, and a guide assembly is arranged on the inner side of the folding groove. The folding mechanism has the advantages of good folding effect, stable structure and the like.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of periodical folding, and particularly relates to a periodical high-precision full-automatic folding assembly. BACKGROUND

[0002] The periodical folding machine is a kind of equipment for folding printed periodical paper according to certain specifications and requirements, and is widely applied to printing, publishing, packaging and other industries. The conventional folding machine uses a folding knife to press the printed sheet into the middle of a pair of folding rollers rotating relatively, and then the folding rollers send out, to complete a folding process. This folding mode has high folding precision, good book post folding seam compaction effect, and relatively wide paper quality requirement, and is suitable for folding of large-format printed sheets. However, in the actual use process, the folding control precision is poor, and the folding knife displacement excess easily leads to paper rupture.

[0003] In order to solve the problems existing in the prior art, people have carried out long-term exploration and put forward various kinds of solutions. For example, the Chinese patent document discloses a folding knife device of a folding machine [201610998322.9], which comprises a left cross beam and a right cross beam mounted on a wallboard, a folding knife driving device mounted on the left cross beam or the right cross beam of the wallboard, or mounted on both sides. The folding knife driving device is provided with a sliding cylinder shaft capable of driving the folding knife to move up and down, and the lower end of the sliding cylinder shaft is fixedly connected with a folding knife clamping block, and the folding knife is connected with the sliding cylinder shaft perpendicularly through the folding knife clamping block.

[0004] The above-mentioned scheme solves the problem of folding knife control precision to some extent, but the scheme still has many deficiencies, such as lack of effective protection for paper, easy to rupture and the like. SUMMARY

[0005] The utility model aims at the above-mentioned problem, provides a periodical high-precision full-automatic folding assembly which is reasonable in design and avoids paper rupture.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a periodical high-precision full-automatic folding assembly, comprising a transmission table top, a folding slot is opened in the upper end of the transmission table top, the transmission table top is connected with a folding knife capable of being inserted into the folding slot through a turnover assembly, a push plate linked with the turnover assembly is installed in the folding slot, the push plate is lifted from the folding slot by the folding knife, and a guide assembly is arranged on the inner side of the folding slot.

[0007] In the above-mentioned periodical high-precision full-automatic folding assembly, the transmission table top comprises a main table top and a vice table top fixed on the upper end of the main table top, the folding slot is arranged on the vice table top, and the main table top has a deformation cavity opposite to the folding slot.

[0008] In the aforementioned high-precision fully automatic folding assembly for publications, the flipping assembly includes a flipping frame rotatably mounted on both sides of the transmission table. The flipping frame is linked to a hydraulic assembly, and the folding blade is connected to the hydraulic assembly.

[0009] In the aforementioned high-precision fully automatic folding assembly for publications, the flipping frame includes a linkage frame symmetrically arranged relative to the vertical center plane of the folding slot. The linkage frame has an L-shaped first linkage frame that is rotatably connected to the transmission table. The first linkage frame has a linkage groove for the linkage block at the end of the folding knife to slide axially. The linkage grooves of the symmetrically arranged linkage frame are staggered, and the linkage block at the end of the folding knife is movably installed at the staggered location of the linkage grooves.

[0010] In the aforementioned high-precision fully automatic folding assembly for publications, a second linkage frame is fixedly connected to a first linkage frame, and the second linkage frame presses against the lower end of the push plate.

[0011] In the aforementioned high-precision fully automatic folding assembly for publications, the hydraulic assembly includes a hydraulic support frame installed between the two ends of the transmission table, a hydraulic push rod mounted on the hydraulic support frame, and the output end of the hydraulic push rod facing downward and connected to the folding knife.

[0012] In the aforementioned high-precision fully automatic folding assembly for publications, the hydraulic support frame is slidably connected to the transmission table and a fixing pin is provided between them.

[0013] In the aforementioned high-precision fully automatic folding assembly for publications, the folding blade is made of stainless steel, and a pressure sensor is installed between the folding blade and the hydraulic push rod.

[0014] In the aforementioned high-precision fully automatic folding assembly for publications, the guide assembly includes a guide arc surface arranged inside the folding slot, a guide groove is opened inside the folding slot, and a guide roller is rotatably installed inside the guide groove.

[0015] In the aforementioned high-precision fully automatic folding assembly for publications, a shaping groove is provided at the upper end of the push plate, which is opposite to the folding knife.

[0016] Compared with existing technologies, the advantages of this utility model are as follows: the folding blade and the push plate achieve folding limit relative to each other, and the flipping component drives its synchronous movement to protect the folded part of the paper; the guiding component ensures smooth contact between the paper and the conveyor table surface, reducing friction during the folding process; the hydraulic component can adjust the relative distance with the conveyor table surface, thereby meeting the folding requirements of paper of different thicknesses. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a structural schematic diagram from another perspective of the present invention;

[0019] Figure 3 is a structural sectional view of the utility model;

[0020] Figure 4 is a local schematic view of the utility model;

[0021] In the figure, the transmission mesa 1, the main mesa 11, the auxiliary mesa 12, the deformation cavity 13, the folding groove 2, the turnover assembly 3, the turnover frame 31, the linkage frame body 32, the first linkage frame 33, the linkage block 34, the linkage groove 35, the second linkage frame 36, the folding knife 4, the push plate 5, the shaping groove 51, the guide assembly 6, the guide camber 61, the guide groove 62, the guide roller 63, the hydraulic assembly 7, the hydraulic support frame 71, the hydraulic push rod 72, the fixed bolt 73. DETAILED DESCRIPTION

[0022] The utility model will be further explained in detail in combination with the drawings and specific embodiments.

[0023] As Figures 1-4 shown, a kind of high-precision full-automatic folding assembly of publication includes the transmission mesa 1 of horizontal arrangement, the transmission mesa 1 is usually cooperated with transmission guide roller and is limited to paper transmission, wherein transmission mesa 1 upper end has folding groove 2 for paper folding, transmission mesa 1 is connected with folding knife 4 that can be inserted into folding groove 2 by turnover assembly 3, folding groove 2 is equipped with push plate 5 that is linked with turnover assembly 3, push plate 5 is ejected from folding groove 2 with folding knife 4 lifting, folding groove 2 inside is provided with guide assembly 6. Turnover assembly 3 drives push plate 5 and folding knife 4 synchronous lifting, guide paper along folding groove 2 deformation folding.

[0024] Specifically, transmission mesa 1 adopts composite structure, specifically including main mesa 11 and auxiliary mesa 12 fixed on the upper end of main mesa 11, folding groove 2 is arranged on auxiliary mesa 12, main mesa 11 has deformation cavity 13 opposite to folding groove 2. When folding knife 4 is pressed into folding groove 2, deformation cavity 13 guides paper bending deformation, after folding knife 4 is separated from folding groove 2, paper is also shaped with it.

[0025] Further, turnover assembly 3 provides driving force, including turnover frame 31 rotatably installed on the both sides of transmission mesa 1, turnover frame 31 is linked with hydraulic assembly 7, folding knife 4 is connected with hydraulic assembly 7. Part of lifting driving force of hydraulic assembly 7 is converted into the rotary driving force of turnover frame 31, so as to drive synchronous lifting of folding knife 4 and push plate 5.

[0026] In addition, the turnover frame 31 comprises linkage frame bodies 32 arranged symmetrically relative to the vertical central plane of the folding slot 2, the linkage frame bodies 32 have first linkage frames 33 in L shape and rotationally connected with the conveying table 1, the first linkage frames 33 are provided with linkage grooves 35 for axial sliding of linkage blocks 34 at the ends of the folding knife 4, the linkage grooves 35 of the symmetrically arranged linkage frame bodies 32 are staggered, and the linkage blocks 34 at the ends of the folding knife 4 are movably mounted at the staggered positions of the linkage grooves 35. The limitation of the linkage grooves 35 to the linkage blocks 34 ensures that the linkage blocks 34 and the folding knife 4 move in the vertical direction.

[0027] Meanwhile, the first linkage frame 33 is fixedly connected with a second linkage frame 36, and the second linkage frame 36 is in abutment with the lower end of the push plate 5. The first linkage frame 33 and the second linkage frame 36 are integrally formed, and when the folding knife 4 falls to the lowest position, the second linkage frame 36 is separated from the push plate 5.

[0028] Obviously, the hydraulic assembly 7 comprises a hydraulic support frame 71 mounted between the two ends of the conveying table 1, the hydraulic support frame 71 is provided with a hydraulic push rod 72, and the output end of the hydraulic push rod 72 is downward and connected with the folding knife 4. The folding knife 4 is in long strip shape and uniformly distributes the hydraulic thrust to the paper.

[0029] Obviously, in order to realize the adjustment of the moving range of the folding knife 4, the hydraulic support frame 71 is slidably connected with the conveying table 1 and is provided with a fixed pin 73 therebetween. The hydraulic support frame 71 is integrally adjusted in lifting and the relative distance with the conveying table 1, and the fixed pin 73 is locked and limited.

[0030] Preferably, the folding knife 4 is made of stainless steel, and a pressure sensor is mounted between the folding knife 4 and the hydraulic push rod 72, and the pressure sensor is feedback adjusted with the hydraulic push rod 72, so as to accurately control the displacement amount of the folding knife 4 and avoid the paper being broken due to excessive displacement of the folding knife 4.

[0031] Obviously, the guide assembly 6 plays a guiding and protecting role when the paper is pushed into the folding slot 2, comprising a guide arc surface 61 arranged on the inner side of the folding slot 2, the inner side of the folding slot 2 is provided with a guide groove 62, and the guide groove 62 is rotationally mounted with a guide roller 63. The guide arc surface 61 and the guide roller 63 do not affect the deformation of the paper folding, and at the same time, reduce the extrusion and friction of the paper and the folding knife 4, thereby preventing the paper from being damaged by the shearing force.

[0032] Further, the upper end of the push plate 5 is provided with a shaping groove 51 opposite to the folding knife 4. The shaping groove 51 has arc surfaces opposite to the two sides of the folding knife 4, and when the folding knife 4 is pressed close to the push plate 5, the paper is deformed, and when the push plate 5 is lifted with the turnover assembly 3, it is ensured that the paper can be taken out from the shaping groove 51.

[0033] In summary, the principle of the embodiment is that the folding groove 2 is opposite to the folding knife 4, the folding knife 4 is pressed by the turning assembly 3, the end of the folding knife 4 is opposite to the push plate 5 to realize the deformation of the paper, and the guide assembly 6 protects the deformation part of the folding knife 4 in the pressing process to avoid the breakage caused by shearing.

[0034] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art to which the present application belongs can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.

[0035] Although the terms such as transmission table 1, main table 11, auxiliary table 12, deformation cavity 13, folding groove 2, turning assembly 3, turning frame 31, linkage frame body 32, first linkage frame 33, linkage block 34, linkage groove 35, second linkage frame 36, folding knife 4, push plate 5, shaping groove 51, guide assembly 6, guide arc surface 61, guide groove 62, guide roller 63, hydraulic assembly 7, hydraulic support frame 71, hydraulic push rod 72, fixed bolt 73 are used more in this paper, but the possibility of using other terms is not excluded. Using these terms is only to more conveniently describe and explain the essence of the present application; any kind of additional limitation is contrary to the spirit of the present application.

Claims

1. A high-precision fully automatic folding assembly for publications, comprising a conveyor table (1), wherein a folding slot (2) is formed at the upper end of the conveyor table (1), and a folding knife (4) that can be inserted into the folding slot (2) is connected to the conveyor table (1) via a flipping component (3), characterized in that, The folding slot (2) is equipped with a push plate (5) that is linked to the flipping component (3). The push plate (5) is pushed out from the folding slot (2) as the folding knife (4) is lifted. A guide component (6) is provided inside the folding slot (2).

2. The high-precision fully automatic folding component for publications according to claim 1, characterized in that, The transmission platform (1) includes a main platform (11) and a secondary platform (12) fixed on the upper end of the main platform (11). The folding groove (2) is disposed on the secondary platform (12). The main platform (11) has a deformation cavity (13) opposite to the folding groove (2).

3. The high-precision fully automatic folding component for publications according to claim 2, characterized in that, The flipping assembly (3) includes a flipping frame (31) rotatably mounted on both sides of the transmission table (1). The flipping frame (31) is linked with the hydraulic assembly (7), and the folding knife (4) is connected to the hydraulic assembly (7).

4. The high-precision fully automatic folding component for publications according to claim 3, characterized in that, The flipping frame (31) includes a linkage frame (32) symmetrically arranged relative to the vertical center plane of the folding slot (2). The linkage frame (32) has an L-shaped first linkage frame (33) that is rotatably connected to the transmission table (1). The first linkage frame (33) has a linkage groove (35) for the axial sliding of the linkage block (34) at the end of the folding knife (4). The linkage grooves (35) of the symmetrically arranged linkage frame (32) are staggered. The linkage block (34) at the end of the folding knife (4) is movably installed at the staggered location of the linkage grooves (35).

5. The high-precision fully automatic folding component for publications according to claim 4, characterized in that, The first linkage frame (33) is fixedly connected to the second linkage frame (36), and the second linkage frame (36) presses against the lower end of the push plate (5).

6. The high-precision fully automatic folding component for publications according to claim 3, characterized in that, The hydraulic assembly (7) includes a hydraulic support frame (71) installed between the two ends of the transmission table (1), and a hydraulic push rod (72) is installed on the hydraulic support frame (71). The output end of the hydraulic push rod (72) faces downward and is connected to the folding knife (4).

7. The high-precision fully automatic folding component for publications according to claim 6, characterized in that, The hydraulic support frame (71) is slidably connected to the transmission table (1) and a fixing pin (73) is provided between them.

8. The high-precision fully automatic folding component for publications according to claim 6, characterized in that, The folding knife (4) is made of stainless steel, and a pressure sensor is installed between the folding knife (4) and the hydraulic push rod (72).

9. The high-precision fully automatic folding component for publications according to claim 1, characterized in that, The guide component (6) includes a guide arc surface (61) arranged inside the folding groove (2), and a guide groove (62) is opened inside the folding groove (2), and a guide roller (63) is rotatably installed in the guide groove (62).

10. A high-precision fully automatic folding assembly for publications according to claim 1, characterized in that, The upper end of the push plate (5) is provided with a shaping groove (51) opposite to the folding knife (4).

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