Folding machine with crease finishing function

Abstract

The utility model discloses a fold finishing folding machine which comprises an operation table, the top face of the operation table is fixedly connected with two pairs of side plates which are in mirror symmetry, the inner sides of each pair of side plates are each connected with a pair of U-shaped plates in a telescopic mode, a plurality of guide rollers which are distributed at equal intervals are vertically and rotatably connected in each U-shaped plate, each U-shaped plate is movably connected with a pressing wheel, and the pressing wheels are arranged on the side faces of the side plates. A bending piece is arranged between the two pairs of U-shaped plates and movably connected with the operation table. According to the folding machine, the two pairs of U-shaped plates are telescopically connected to the top surface of the operating table, and the guide rollers are vertically and rotatably connected into each U-shaped plate, so that hardboards with different widths can be clamped in the center of the operating table by the folding machine, the situation that the hardboards are deflected and skew when being bent is avoided, the neatness of creases on the hardboards is guaranteed, and the folding efficiency is improved. And meanwhile, the distance between the two U-shaped plates does not need to be manually adjusted, and the U-shaped plates can automatically adjust the distance according to the width of the entering hardboard.

Description

Technical Field

[0001] The utility model relates to the technical field of folding machines, in particular to a folding machine with crease finishing. Background Art

[0002] Folding machines are mainly used for folding papers of various sizes and thicknesses within the design scope, and are suitable for large-scale folding of fast printing centers, production enterprises, official documents, and business letters. Folding machines are modern printing equipment that accompanies the modern printing industry. Modern printing plants usually include three processing steps: pre-press, printing, and post-press. The main carrier medium is paper. Due to the rise of packaging printing, other materials such as plastic, fabric, leather, metal surfaces, etc. are also on the rise, but paper still dominates the main carrier. Printing industry processing is usually divided into book, periodical, and newspaper processing and packaging processing; folding machines are mainly used for folding papers of various sizes and thicknesses within the design scope, and are suitable for large-scale folding of fast printing centers, production enterprises, official documents, and business letters.

[0003] Existing folding machines use a built-in transmission device to move a single page of printed paper (usually a cardboard with pictures and text printed on it) to a folding mechanism for folding. If the single page of printed paper shifts during the transmission process and the downward pressure of the folding knife, the resulting crease will deviate or tilt, affecting the normal use of the printed sheet. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a crease finishing folding machine.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a crease finishing folding machine, including an operating table, the top surface of the operating table is fixedly connected to two pairs of mirror-symmetrical side panels, the inner sides of each pair of side panels are telescopically connected to a pair of U-shaped plates, each of the U-shaped plates is vertically rotatably connected to a plurality of guide rollers distributed at equal distances, each of the U-shaped plates is movably connected to a pressure wheel, a bending member is provided between the two pairs of U-shaped plates, and the bending member is movably connected to the operating table.

[0006] As a further description of the above technical solution: the bending part includes a pressure block which is lifted and connected to the top surface of the operating table, the top surface of the pressure block is fixedly connected to the top plate, a guide column is vertically fixed on each side of the bottom surface of the top plate, and the end of each guide column is transmission-connected to a lifting motor, and the two lifting motors are vertically fixed to the top surface of the operating table, and a through groove is provided on the top surface of the operating table, and the through groove is located directly below the pressure block, and the bottom surface of the operating table is movably connected to two mirror-symmetrical folding rollers, and the through groove is located between the two folding rollers.

[0007] As a further description of the above technical solution: two mirror-symmetrical through holes are horizontally penetrated through the outer side of each side plate, a guide rod is axially slidably inserted in each through hole, the ends of the two guide rods on the same side are jointly fixed to a U-shaped plate, the end of each guide rod is fixedly connected to a limit block abutting the outer side of the side plate, the outer edge of each guide rod is sleeved with a first spring, the top surface of the U-shaped plate is vertically fixed to a drive motor, and the drive motor is transmission-connected to the end of one of the guide rollers.

[0008] As a further description of the above technical solution: the U-shaped plate is fixedly connected to the rectangular frame, a U-shaped block is movably connected inside the rectangular frame, the pressure wheel is rotatably connected inside the U-shaped block, and the top surface of the U-shaped block is fixedly connected to a limit plate abutting against the top surface of the rectangular frame.

[0009] As a further description of the above technical solution: a slide groove is vertically opened on both sides of the U-shaped block, a slider is slidably connected in each of the slide grooves, the slider is fixed on the inner side of the rectangular frame, a second spring is vertically fixed in each of the slide grooves, and the second spring is fixedly connected to the bottom surface of the slider.

[0010] As a further description of the above technical solution: an electric push rod is horizontally fixed on the top surface of the operating table, the end of the electric push rod is fixedly connected to a baffle, and the baffle is slidably connected to the top surface of the operating table.

[0011] The utility model has the following beneficial effects:

[0012] 1. Compared with the prior art, the crease finishing folder can clamp cardboards of different widths at the center of the operating table by telescopically connecting two pairs of U-shaped plates on the top surface of the operating table, and vertically rotating and connecting multiple guide rollers in each U-shaped plate, so as to prevent the cardboards from running off the center and causing the cardboards to be skewed when being bent, thereby ensuring the neatness of the creases on the cardboards. At the same time, there is no need to manually adjust the distance between the two U-shaped plates, and the U-shaped plates can adjust the distance automatically according to the width of the cardboards entering.

[0013] 2. Compared with the prior art, the crease finishing folder is provided with a pressing wheel on each U-shaped plate, and the pressing wheel is movably connected to the U-shaped plate through a U-shaped block, a rectangular frame, a limit plate, a slide groove, a slider and a second spring, so that cardboards of different thicknesses can always be attached to the top surface of the operating table, thereby ensuring the straightness of the cardboard before bending, avoiding bending of the cardboard and affecting the flatness of the crease after the cardboard is bent. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a three-dimensional diagram of the overall structure of a crease finishing folding machine proposed by the utility model;

[0015] Figure 2 A folding machine for folding and finishing proposed by the utility model Figure 1 A magnified view of the structure at center A;

[0016] Figure 3 It is a side cross-sectional view of the connection between the U-shaped plate and the side plate of a crease finishing folding machine proposed by the utility model;

[0017] Figure 4 A folding machine for folding and finishing proposed by the utility model Figure 3 A magnified view of the structure at point B.

[0018] Legend:

[0019] 1. Operating table; 2. Side panel; 3. Limit block; 4. Lifting motor; 5. Folding roller; 6. First spring; 7. U-shaped plate; 8. Electric push rod; 9. Guide roller; 10. Baffle plate; 11. Through slot; 12. Guide column; 13. Top plate; 14. Pressing block; 15. Driving motor; 16. Limit plate; 17. Rectangular frame; 18. U-shaped block; 19. Pressing wheel; 20. Guide rod; 21. Through hole; 22. Sliding block; 23. Sliding groove; 24. Second spring. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Reference Figures 1 to 4The utility model provides a crease finishing folding machine: it includes an operating table 1, the top surface of the operating table 1 is fixedly connected to two pairs of mirror-symmetrical side panels 2, the inner sides of each pair of side panels 2 are telescopically connected to a pair of U-shaped panels 7, each U-shaped panel 7 is vertically rotatably connected to a plurality of guide rollers 9 distributed at equal distances, the outer side of each side panel 2 is horizontally penetrated by two mirror-symmetrical through holes 21, each through hole 21 is axially slidably penetrated by a guide rod 20, the ends of the two guide rods 20 on the same side are respectively fixed with a U-shaped panel 7, the ends of each guide rod 20 are respectively fixedly connected to a limit block 3 abutting against the outer side of the side panel 2, the outer edge of each guide rod 20 is respectively sleeved with a first spring 6, the top surface of the U-shaped panel 7 is vertically fixed to a driving motor 15, the driving motor 15 is drivingly connected to the end of one of the guide rollers 9, and each U-shaped panel 7 are movably connected to a pressure wheel 19, a bending piece is provided between the two pairs of U-shaped plates 7, the bending piece is movably connected to the operating table 1, the bending piece includes a pressure block 14 connected to the top surface of the operating table 1 by lifting, the top surface of the pressure block 14 is fixedly connected to the top plate 13, a guide column 12 is vertically fixed on both sides of the bottom surface of the top plate 13, and the end of each guide column 12 is respectively connected to a lifting motor 4 by transmission, and the two lifting motors 4 are vertically fixed to the top surface of the operating table 1, and a through groove 11 is provided on the top surface of the operating table 1, and the through groove 11 is located directly below the pressure block 14. The bottom surface of the operating table 1 is movably connected to two mirror-symmetrical folding rollers 5, and the through groove 11 is located between the two folding rollers 5. An electric push rod 8 is horizontally fixed to the top surface of the operating table 1, and the end of the electric push rod 8 is fixedly connected to a baffle 10, and the baffle 10 is slidably connected to the top surface of the operating table 1.

[0022] By telescopically connecting two pairs of U-shaped plates 7 on the top surface of the operating table 1, and vertically rotatingly connecting multiple guide rollers 9 in each U-shaped plate 7, the folding machine can clamp cardboards of different widths at the center of the operating table 1 to prevent them from deviating and causing the cardboards to be skewed when being bent, thereby ensuring the neatness of the folds on the cardboards. At the same time, there is no need to manually adjust the distance between the two U-shaped plates 7, and the U-shaped plates 7 can adjust the distance automatically according to the width of the incoming cardboard.

[0023] Reference Figures 1 to 4 In order to ensure that the paper is always attached to the top surface of the operating table 1, the U-shaped plate 7 is fixedly connected to the rectangular frame 17, a U-shaped block 18 is movably connected in the rectangular frame 17, the pressure wheel 19 is rotatably connected in the U-shaped block 18, the top surface of the U-shaped block 18 is fixedly connected to a limit plate 16 abutting against the top surface of the rectangular frame 17, a slide groove 23 is vertically opened on both sides of the U-shaped block 18, a slider 22 is slidably connected in each slide groove 23, the slider 22 is fixed on the inner side of the rectangular frame 17, and a second spring 24 is vertically fixed in each slide groove 23, and the second spring 24 is fixedly connected to the bottom surface of the slider 22.

[0024] By arranging a pressing wheel 19 on each U-shaped plate 7, and movably connecting the pressing wheel 19 to the U-shaped plate 7 through the U-shaped block 18, the rectangular frame 17, the limiting plate 16, the slide groove 23, the slider 22 and the second spring 24, cardboards of different thicknesses can always be attached to the top surface of the operating table 1, thereby ensuring the straightness of the cardboard before bending, avoiding bending of the cardboard and affecting the flatness of the crease after the cardboard is bent.

[0025] Working principle: When in use, first put the cardboard to be folded in from the left side of the operating table 1. When the two U-shaped plates 7 are inserted into the cardboard, the first spring 6 is compressed, and the distance between the two U-shaped plates 7 is increased, so that the distance between the two U-shaped plates 7 can be adjusted automatically according to the width of the cardboard. At the same time, the electric push rod 8 pushes the baffle 10 to move, so that the distance between the baffle 10 and the center of the through groove 11 is equal to the length of the cardboard to be bent. At the same time, the pressure wheel 19, under the action of the U-shaped block 18 and the second spring 24, will automatically adjust according to the thickness of the cardboard. The pressing wheel 19 is lifted and lowered so that the pressing wheel 19 always abuts against the top surface of the cardboard, and then the driving motor 15 drives the guide roller 9 to rotate, and the guide roller 9 sends the cardboard to one side of the baffle 10, so that one end of the cardboard abuts against the inner side of the baffle 10, and then the lifting motor 4 drives the pressing block 14 to descend, and the pressing block 14 will press on the top surface of the cardboard to produce an indentation. At the same time, the bending part of the cardboard moves toward the inside of the through groove 11 under the downward pressure of the pressing block 14, so that the bending part of the cardboard is clamped by the two rotating folding rollers 5, and the final folding is performed.

[0026] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A folding machine for finishing folding, comprising an operating table (1), characterized in that: The top surface of the operating table (1) is fixedly connected to two pairs of mirror-symmetrical side panels (2), the inner sides of each pair of side panels (2) are telescopically connected to a pair of U-shaped panels (7), each of the U-shaped panels (7) is vertically rotatably connected to a plurality of equally spaced guide rollers (9), each of the U-shaped panels (7) is movably connected to a pressure wheel (19), a bending member is provided between the two pairs of U-shaped panels (7), and the bending member is movably connected to the operating table (1).

2. A folding machine for folding with crease finishing according to claim 1, characterized in that: The bending part comprises a pressing block (14) which is connected to the top surface of the operating table (1) in a lifting manner; the top surface of the pressing block (14) is fixedly connected to the top plate (13); a guide column (12) is vertically fixed on each side of the bottom surface of the top plate (13); the end of each guide column (12) is transmission-connected to a lifting motor (4); the two lifting motors (4) are vertically fixed to the top surface of the operating table (1); a through groove (11) is provided on the top surface of the operating table (1); the through groove (11) is located directly below the pressing block (14); the bottom surface of the operating table (1) is movably connected to two mirror-symmetrical folding rollers (5); the through groove (11) is located between the two folding rollers (5).

3. A folding machine for folding with crease finishing according to claim 1, characterized in that: Two mirror-symmetrical through holes (21) are horizontally penetrated through the outer side of each side plate (2); a guide rod (20) is axially slidably inserted into each through hole (21); the ends of the two guide rods (20) on the same side are each fixed with a U-shaped plate (7); the end of each guide rod (20) is fixedly connected with a limit block (3) abutting against the outer side of the side plate (2); the outer edge of each guide rod (20) is sleeved with a first spring (6); a driving motor (15) is vertically fixed to the top surface of the U-shaped plate (7); and the driving motor (15) is drivingly connected to the end of one of the guide rollers (9).

4. A folding machine for folding with crease finishing according to claim 1, characterized in that: The U-shaped plate (7) is fixedly connected to a rectangular frame (17), a U-shaped block (18) is movably inserted into the rectangular frame (17), the pressure wheel (19) is rotatably connected to the U-shaped block (18), and the top surface of the U-shaped block (18) is fixedly connected to a limiting plate (16) abutting against the top surface of the rectangular frame (17).

5. A folding machine for finishing folding according to claim 4, characterized in that: A sliding groove (23) is vertically formed on both sides of the U-shaped block (18), a sliding block (22) is slidably connected in each of the sliding grooves (23), the sliding block (22) is fixed on the inner side of the rectangular frame (17), a second spring (24) is vertically fixed in each of the sliding grooves (23), and the second spring (24) is fixedly connected to the bottom surface of the sliding block (22).

6. A folding machine for folding with crease finishing according to claim 1, characterized in that: An electric push rod (8) is horizontally fixed on the top surface of the operating table (1), the end of the electric push rod (8) is fixedly connected to a baffle (10), and the baffle (10) is slidably connected to the top surface of the operating table (1).

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