The folding-back mechanism of a folding machine

Abstract

The present invention provides a folding-back mechanism for a folding machine, which includes a first side plate and a second side plate. A conveying mechanism and a folding mechanism are installed between the first side plate and the second side plate. The conveying mechanism includes a first conveying group, a second conveying group and a third conveying group. The folding mechanism includes a first distance-adjusting component, a second distance-adjusting component, an auxiliary component and a folding component. The conveying mechanism of the present invention cooperates with the folding mechanism to perform folding processing on the paper. Friction teeth are provided on both the first roller and the second roller, which is convenient for conveying the paper. The settings of the first distance-adjusting component and the second distance-adjusting component are convenient for blocking the folding distance of the paper, and are automatically adjusted by the first servo electric cylinder, which is convenient for setting control. In addition, the folding component includes the regulation of the folding distance of the paper and also includes the bending processing of the paper, which is convenient for realizing the folding processing of the paper, improving the automatic control and eliminating the need for shutdown adjustment.

Description

Technical Field

[0001] The present invention relates to the technical field of folder machines, and more particularly, to a folding-back mechanism of a folder machine. Background Art

[0002] A folder machine is a modern printing device that emerged along with the modern printing industry. Modern printing factories usually include three processing procedures: pre-press, printing, and post-press. The main carrier medium is paper. Due to the rise of packaging printing, other material media such as plastic, fabric, leather, metal surfaces, etc. are also emerging, but the main carrier still overwhelmingly dominates with paper. Printing industry processing is usually divided into book and newspaper processing and packaging processing; the folder machine is mainly used for folding various different sizes and thicknesses of paper within the design range, and is suitable for large-scale folding of fast printing centers, production enterprises, official documents, and business letters.

[0003] However, when the existing folder machines are in use, they cannot automatically adjust the folding distance of the paper. As a result, when folding the paper, the folding distance needs to be set in advance, and automatic control adjustment cannot be achieved, causing inconvenience in use. Especially when changing the folding requirements, re-adjustment is required, and the smooth surface setting of the roller is not conducive to paper transportation and other problems. Summary of the Invention

[0004] To make up for the above deficiencies, the present invention provides a folding-back mechanism of a folder machine to solve the problems that when the existing folder machines are in use, they cannot automatically adjust the folding distance of the paper. As a result, when folding the paper, the folding distance needs to be set in advance, and automatic control adjustment cannot be achieved, causing inconvenience in use. Especially when changing the folding requirements, re-adjustment is required, and the smooth surface setting of the roller is not conducive to paper transportation and other problems.

[0005] The present invention is implemented as follows:

[0006] A folding-back mechanism of a folder machine includes a first side plate and a second side plate, and a conveying mechanism and a folding mechanism are installed between the first side plate and the second side plate;

[0007] The conveying mechanism includes a first conveying group, a second conveying group, and a third conveying group;

[0008] The folding mechanism includes a first distance-adjusting component, a second distance-adjusting component, an auxiliary component, and a folding component;

[0009] Both the first conveying group, the second conveying group, and the third conveying group include a first roller and a second roller, and friction teeth are circumferentially provided on both the first roller and the second roller;

[0010] The structures of the first distance adjusting component and the second distance adjusting component are the same. Both the first distance adjusting component and the second distance adjusting component include an upper plate and a lower plate. A first baffle is movably arranged between the upper plate and the lower plate. First servo cylinders are fixedly installed at the ends of the upper plate and the lower plate. The output shaft end of the first servo cylinder is fixedly connected to the first baffle. A number of first sliding grooves are correspondingly formed on both the upper plate and the lower plate. Two ends of the first baffle are provided with a number of first sliding blocks slidably connected inside the first sliding grooves;

[0011] The auxiliary component includes a positioning plate. A number of sliding rods are fixedly arranged on one side of the positioning plate. An auxiliary block is movably connected to the ends of the number of sliding rods. An adjusting screw is threadedly connected between the positioning plate and the auxiliary block;

[0012] The folding component includes an intermediate plate. A number of second sliding grooves are formed inside the intermediate plate. A connecting plate and a second baffle are respectively arranged on both sides of the intermediate plate. A number of second sliding blocks which are movably located inside the second sliding grooves are fixedly connected between the connecting plate and the second baffle. One end of the upper part of the intermediate plate is provided with a bending piece. A second servo cylinder is fixedly connected to one side of the bending piece. A third servo cylinder is fixedly connected to one side of the connecting plate.

[0013] In an embodiment of the present invention, shaft joints are respectively connected to both sides of the first roller and the second roller. The two shaft joints on both sides are respectively rotatably connected between the first side plate and the second side plate on both sides.

[0014] In an embodiment of the present invention, the first roller and the second roller in the first conveying group, the second conveying group and the third conveying group are vertically arranged. The second roller of the first conveying group and the first roller of the second conveying group are horizontally flush. The second roller of the second conveying group and the first roller of the third conveying group are horizontally flush.

[0015] In an embodiment of the present invention, the first distance adjusting component is arranged between the first rollers of the first conveying group and the second conveying group. The second distance adjusting component is arranged between the first rollers of the second conveying group and the third conveying group. The auxiliary component is arranged between the second rollers of the first conveying group and the second conveying group. The folding component is arranged between the second rollers of the second conveying group and the third conveying group.

[0016] In an embodiment of the present invention, the upper plate and the lower plate are inclined and arranged between the first rollers of the first conveying group and the second conveying group. One end of the upper plate is provided with an arc-shaped bending portion. The arc-shaped bending portion of the first distance-adjusting assembly is located below the first roller of the first conveying group, and the arc-shaped bending portion of the second distance-adjusting assembly is located below the first roller of the second conveying group.

[0017] In an embodiment of the present invention, one end of the lower plate is provided with a first receiving knife portion. The first receiving knife portion of the first distance-adjusting assembly is located above the first roller of the second conveying group, and the first receiving knife portion of the second distance-adjusting assembly is located above the first roller of the third conveying group.

[0018] In an embodiment of the present invention, one end of the auxiliary block is provided with an arc-shaped receiving head. The arc-shaped receiving head is located between the second rollers of the first conveying group and the second conveying group. A plurality of guiding holes are formed at one end of the auxiliary block, and the sliding rod slides inside the guiding holes.

[0019] In an embodiment of the present invention, a shaft connecting seat is fixedly provided at the upper part of one end of the auxiliary block, a threaded plate is fixedly provided at the upper part of the positioning plate, the adjusting screw is threadedly connected inside the threaded plate, and the end of the adjusting screw is movably connected to the shaft connecting seat.

[0020] In an embodiment of the present invention, the third servo electric cylinder is fixedly installed at the lower part of one end of the middle plate. A positioning frame is fixedly installed at one end of the upper part of the middle plate. The second servo electric cylinder is fixedly installed on the positioning frame. A second receiving knife portion is provided at the other end of the middle plate, and the second receiving knife portion is arranged above the second roller of the third conveying group.

[0021] In an embodiment of the present invention, it further includes a paper conveying device and a paper receiving device arranged at both ends of the folding mechanism. In order to achieve various folding methods, multiple folding mechanisms are selected for combined installation and use.

[0022] The beneficial effects of the present invention are:

[0023] When the present invention is in use, the conveying mechanism and the folding mechanism are installed through the first side plate and the second side plate. The conveying mechanism includes a first conveying group, a second conveying group, and a third conveying group. Cooperating with the folding mechanism facilitates the folding process of the paper. The first conveying group, the second conveying group, and the third conveying group all include a first roller and a second roller, and both the first roller and the second roller are provided with friction teeth, which facilitates the conveying of the paper. The setting of the first distance adjustment component and the second distance adjustment component facilitates blocking the distance for paper folding, and is automatically adjusted by the first servo electric cylinder, which is convenient for setting control. The folding component includes the regulation of the folding distance of the paper and also includes the bending process of the paper, which facilitates the folding process of the paper, improves the automation control, and does not require shutdown adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required for the embodiments. It should be understood that the following drawings only show some embodiments of the present invention, and thus should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other relevant drawings can also be obtained based on these drawings.

[0025] Figure 1 It is a schematic structural diagram of the present invention;

[0026] Figure 2 It is a partial structural diagram of the present invention;

[0027] Figure 3 It is a schematic diagram of the folding mechanism of the present invention;

[0028] Figure 4 It is an exploded schematic diagram of the folding mechanism of the present invention;

[0029] Figure 5 It is a schematic diagram of the conveying mechanism of the present invention.

[0030] In the figure: 1. First side plate; 2. Second side plate; 3. Conveying mechanism; 301. First conveying group; 3011. First roller; 3012. Second roller; 3013. Shaft joint; 3014. Friction teeth; 302. Second conveying group; 303. Third conveying group; 4. Folding mechanism; 401. First distance-adjusting component; 4011. Upper plate; 4012. Arc-shaped bending part; 4013. Lower plate; 4014. First slideway; 4015. First receiving knife part; 4016. First servo electric cylinder; 4017. First baffle; 4018. First slider; 402. Second distance-adjusting component; 403. Auxiliary component; 4031. Positioning plate; 4032. Slide bar; 4033. Auxiliary block; 4034. Arc-shaped receiving head; 4035. Guide hole; 4036. Shaft connecting seat; 4037. Threaded plate; 4038. Adjusting screw; 404. Folding component; 4041. Intermediate plate; 4042. Second receiving knife part; 4043. Second slideway; 4044. Connecting plate; 4045. Second slider; 4046. Second baffle; 4047. Third servo electric cylinder; 4048. Positioning frame; 4049. Second servo electric cylinder; 40410. Bending part. Embodiment

[0031] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0032] Please refer to Figures 1-5 , the present invention provides a technical solution:

[0033] A folding-back mechanism of a folding machine includes a first side plate 1 and a second side plate 2, and a conveying mechanism 3 and a folding mechanism 4 are installed between the first side plate 1 and the second side plate 2;

[0034] The conveying mechanism 3 includes a first conveying group 301, a second conveying group 302 and a third conveying group 303;

[0035] The folding mechanism 4 includes a first distance-adjusting component 401, a second distance-adjusting component 402, an auxiliary component 403 and a folding component 404;

[0036] The first conveying group 301, the second conveying group 302 and the third conveying group 303 all include a first roller 3011 and a second roller 3012, and friction teeth 3014 are circumferentially arranged on both the first roller 3011 and the second roller 3012;

[0037] The structures of the first distance-adjusting component 401 and the second distance-adjusting component 402 are the same. Both the first distance-adjusting component 401 and the second distance-adjusting component 402 include an upper plate 4011 and a lower plate 4013. A first baffle 4017 is movably arranged between the upper plate 4011 and the lower plate 4013. The ends of the upper plate 4011 and the lower plate 4013 are fixedly installed with a first servo electric cylinder 4016. The output shaft end of the first servo electric cylinder 4016 is fixedly connected to the first baffle 4017. A number of first sliding channels 4014 are correspondingly formed on both the upper plate 4011 and the lower plate 4013. Two ends of the first baffle 4017 are provided with a number of first sliding blocks 4018 slidably connected inside the first sliding channels 4014;

[0038] The auxiliary component 403 includes a positioning plate 4031. A number of sliding rods 4032 are fixedly arranged on one side of the positioning plate 4031. The ends of the number of sliding rods 4032 are movably connected to an auxiliary block 4033. An adjusting screw rod 4038 is threadedly connected between the positioning plate 4031 and the auxiliary block 4033;

[0039] The folding component 404 includes an intermediate plate 4041. A number of second sliding channels 4043 are formed inside the intermediate plate 4041. A connecting plate 4044 and a second baffle 4046 are respectively arranged on both sides of the intermediate plate 4041. A number of second sliding blocks 4045 movably located inside the second sliding channels 4043 are fixedly connected between the connecting plate 4044 and the second baffle 4046. One end of the upper part of the intermediate plate 4041 is provided with a bending member 40410. A second servo electric cylinder 4049 is fixedly connected to one side of the bending member 40410. A third servo electric cylinder 4047 is fixedly connected to one side of the connecting plate 4044.

[0040] Specifically, a paper feeding device and a paper receiving device are respectively arranged at both ends of the folding-back mechanism. In order to implement various folding methods, multiple folding-back mechanisms are selected for combined installation and use. In order to facilitate the control of various requirements for the folding process of the paper, combined settings are made. And this folding-back mechanism includes a first side plate 1 and a second side plate 2. A conveying mechanism 3 and a folding mechanism 4 are arranged between the first side plate 1 and the second side plate 2. The settings of the first side plate 1 and the second side plate 2 facilitate the installation and setting of the conveying mechanism 3 and the folding mechanism 4;

[0041] The conveying mechanism 3 includes a first conveying group 301, a second conveying group 302 and a third conveying group 303. The first conveying group 301, the second conveying group 302 and the third conveying group 303 all include a first roller 3011 and a second roller 3012. In order to rotatably mount the first roller 3011 and the second roller 3012, shaft joints 3013 are respectively connected to both sides of the first roller 3011 and the second roller 3012. The shaft joints 3013 on both sides are respectively rotatably connected between the first side plate 1 and the second side plate 2 on both sides. In order to stably convey the paper, the first roller 3011 and the second roller 3012 in the first conveying group 301, the second conveying group 302 and the third conveying group 303 are vertically arranged. The second roller 3012 of the first conveying group 301 and the first roller 3011 of the second conveying group 302 are horizontally flush. The second roller 3012 of the second conveying group 302 and the first roller 3011 of the third conveying group 303 are horizontally flush. Friction teeth 3014 are circumferentially provided on both the first roller 3011 and the second roller 3012. The friction teeth 3014 are provided on both the first roller 3011 and the second roller 3012, which facilitates the stable conveyance of the paper, increases the friction force, and prevents the paper from slipping during conveyance;

[0042] In order to achieve the folding of paper, the folding mechanism 4 includes a first distance adjustment component 401, a second distance adjustment component 402, an auxiliary component 403, and a folding component 404. And in order to achieve the first folding of the paper, the first distance adjustment component 401 is arranged between the first roller 3011 of the first conveying group 301 and the second conveying group 302. In order to achieve the second folding of the paper, the second distance adjustment component 402 is arranged between the first roller 3011 of the second conveying group 302 and the third conveying group 303. In order to achieve the auxiliary conveying of the paper and prevent paper jamming, the auxiliary component 403 is arranged between the second rollers 3012 of the first conveying group 301 and the second conveying group 302. In order to achieve the third folding of the paper, the folding component 404 is arranged between the second rollers 3012 of the second conveying group 302 and the third conveying group 303. And the structures of the first distance adjustment component 401 and the second distance adjustment component 402 are the same. Both the first distance adjustment component 401 and the second distance adjustment component 402 include an upper plate 4011 and a lower plate 4013. A first baffle 4017 is movably arranged between the upper plate 4011 and the lower plate 4013. The paper is blocked by the first baffle 4017, which is convenient for setting the folding distance of the paper. The ends of the upper plate 4011 and the lower plate 4013 are fixedly installed with a first servo cylinder 4016. The output shaft end of the first servo cylinder 4016 is fixedly connected to the first baffle 4017. And the position of the first baffle 4017 is adjusted by the first servo cylinder 4016 to achieve automatic control without the need for shutdown adjustment. A number of first slideways 4014 are correspondingly opened on both the upper plate 4011 and the lower plate 4013. Both ends of the first baffle 4017 are provided with a number of first sliders 4018 slidably connected inside the first slideways 4014. And the setting of the first sliders 4018 facilitates the stable sliding connection of the first baffle 4017 and maintains stability. In order to prevent the paper from being stuck on the upper plate 4011, an arc-shaped bending part 4012 is arranged at one end of the upper plate 4011. The arc-shaped bending part 4012 of the first distance adjustment component 401 is located below the first roller 3011 of the first conveying group 301. The arc-shaped bending part 4012 of the second distance adjustment component 402 is located below the first roller 3011 of the second conveying group 302. In order to facilitate the reception of the paper, a first receiving knife part 4015 is arranged at one end of the lower plate 4013. The first receiving knife part 4015 of the first distance adjustment component 401 is located above the first roller 3011 of the second conveying group 302. The first receiving knife part 4015 of the second distance adjustment component 402 is located above the first roller 3011 of the third conveying group 303. In order to facilitate the conveying of the paper and avoid the problem of paper jamming, an arc-shaped receiving head 4034 is arranged at one end of the auxiliary block 4033. The arc-shaped receiving head 4034 is located between the second roller 3012 of the first conveying group 301 and the second roller 3012 of the second conveying group 302. A number of guide holes 4035 are opened at one end of the auxiliary block 4033.The sliding rod 4032 slides inside the guiding hole 4035. In order to enable the auxiliary block 4033 to achieve movement adjustment and facilitate installation and connection, a shaft connecting seat 4036 is fixedly provided at the upper part of one end of the auxiliary block 4033, a threaded plate 4037 is fixedly provided at the upper part of the positioning plate 4031, an adjusting screw rod 4038 is threadedly connected inside the threaded plate 4037, and the end of the adjusting screw rod 4038 is movably connected to the shaft connecting seat 4036. By setting the adjusting screw rod 4038, the position of the auxiliary block 4033 is adjusted, which is convenient for setting control and facilitating the conveying of the auxiliary paper. The third servo cylinder 4047 is fixedly installed at the lower part of one end of the middle plate 4041. The setting of the third servo cylinder 4047 facilitates the position adjustment of the connecting plate 4044 and the second baffle 4046, and is convenient for setting the folding distance of the paper. A positioning frame 4048 is fixedly installed at the upper part of one end of the middle plate 4041, the second servo cylinder 4049 is fixedly installed on the positioning frame 4048, and the setting of the positioning frame 4048 facilitates the fixed installation of the second servo cylinder 4049. The other end of the middle plate 4041 is provided with a second receiving knife part 4042, and the second receiving knife part 4042 is arranged above the second roller 3012 of the third conveying group 303. The setting of the second receiving knife part 4042 facilitates the receiving of the paper and prevents the paper from jamming.,

[0043] The above are only the preferred embodiments of the present invention and are not used to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.,

Claims

1. A folding mechanism of a folder, characterized in that, It includes a first side plate (1) and a second side plate (2), and a conveying mechanism (3) and a folding mechanism (4) are installed between the first side plate (1) and the second side plate (2); The conveying mechanism (3) includes a first conveying group (301), a second conveying group (302) and a third conveying group (303); The folding mechanism (4) includes a first distance adjusting component (401), a second distance adjusting component (402), an auxiliary component (403) and a folding component (404); The first conveying group (301), the second conveying group (302) and the third conveying group (303) all include a first roller (3011) and a second roller (3012), and friction teeth (3014) are circumferentially arranged on both the first roller (3011) and the second roller (3012); The structures of the first distance adjusting component (401) and the second distance adjusting component (402) are the same. The first distance adjusting component (401) and the second distance adjusting component (402) both include an upper plate (4011) and a lower plate (4013). A first baffle (4017) is movably arranged between the upper plate (4011) and the lower plate (4013). The ends of the upper plate (4011) and the lower plate (4013) are fixedly installed with a first servo electric cylinder (4016). The output shaft end of the first servo electric cylinder (4016) is fixedly connected to the first baffle (4017). A number of first sliding grooves (4014) are correspondingly formed on both the upper plate (4011) and the lower plate (4013). Both ends of the first baffle (4017) are provided with a number of first sliders (4018) slidably connected inside the first sliding grooves (4014); The auxiliary component (403) includes a positioning plate (4031). A number of sliding rods (4032) are fixedly arranged on one side of the positioning plate (4031). The ends of the number of sliding rods (4032) are movably connected to an auxiliary block (4033). An adjusting screw (4038) is threadedly connected between the positioning plate (4031) and the auxiliary block (4033); The folding component (404) includes an intermediate plate (4041). A number of second sliding grooves (4043) are formed inside the intermediate plate (4041). A connecting plate (4044) and a second baffle (4046) are respectively arranged on both sides of the intermediate plate (4041). A number of second sliders (4045) which are movably located inside the second sliding grooves (4043) are fixedly connected between the connecting plate (4044) and the second baffle (4046). One end of the upper part of the intermediate plate (4041) is provided with a bending member (40410). A second servo electric cylinder (4049) is fixedly connected to one side of the bending member (40410). A third servo electric cylinder (4047) is fixedly connected to one side of the connecting plate (4044).

2. The folding-back mechanism of a folding machine according to claim 1, characterized in that, Shaft joints (3013) are respectively connected to both sides of the first roller (3011) and the second roller (3012), and the shaft joints (3013) on both sides are respectively rotatably connected between the first side plate (1) and the second side plate (2) on both sides.

3. The folding mechanism of a folding machine according to claim 1, characterized in that, The first rollers (3011) and the second rollers (3012) in the first conveying group (301), the second conveying group (302) and the third conveying group (303) are vertically arranged. The second roller (3012) of the first conveying group (301) and the first roller (3011) of the second conveying group (302) are horizontally flush. The second roller (3012) of the second conveying group (302) and the first roller (3011) of the third conveying group (303) are horizontally flush.

4. The folding-back mechanism of a folding machine according to claim 1, characterized in that, The first distance adjustment assembly (401) is arranged between the first rollers (3011) of the first conveying group (301) and the second conveying group (302). The second distance adjustment assembly (402) is arranged between the first rollers (3011) of the second conveying group (302) and the third conveying group (303). The auxiliary assembly (403) is arranged between the second rollers (3012) of the first conveying group (301) and the second conveying group (302). The folding assembly (404) is arranged between the second rollers (3012) of the second conveying group (302) and the third conveying group (303).

5. The folding-back mechanism of a folding machine according to claim 1, characterized in that, The upper plate (4011) and the lower plate (4013) are inclined and arranged between the first rollers (3011) of the first conveying group (301) and the second conveying group (302). One end of the upper plate (4011) is provided with an arc-shaped bending part (4012). The arc-shaped bending part (4012) of the first distance adjustment assembly (401) is located below the first roller (3011) of the first conveying group (301). The arc-shaped bending part (4012) of the second distance adjustment assembly (402) is located below the first roller (3011) of the second conveying group (302).

6. The folding-back mechanism of a folding machine according to claim 1, characterized in that, One end of the lower plate (4013) is provided with a first receiving knife part (4015). The first receiving knife part (4015) of the first distance adjustment assembly (401) is located above the first roller (3011) of the second conveying group (302). The first receiving knife part (4015) of the second distance adjustment assembly (402) is located above the first roller (3011) of the third conveying group (303).

7. The folding mechanism of a folding machine according to claim 1, characterized in that, One end of the auxiliary block (4033) is provided with an arc-shaped receiving head (4034). The arc-shaped receiving head (4034) is located between the second roller (3012) of the first conveying group (301) and the second roller (3012) of the second conveying group (302). A plurality of guiding holes (4035) are formed in one end of the auxiliary block (4033), and the sliding rod (4032) slides inside the guiding holes (4035).

8. The folding-back mechanism of a folding machine according to claim 1, characterized in that, An axle connecting seat (4036) is fixedly provided at the upper part of one end of the auxiliary block (4033). A threaded plate (4037) is fixedly provided at the upper part of the positioning plate (4031). The adjusting screw rod (4038) is threadedly connected inside the threaded plate (4037), and the end of the adjusting screw rod (4038) is movably connected with the axle connecting seat (4036).

9. The folding-back mechanism of a folding machine according to claim 1, characterized in that, The third servo electric cylinder (4047) is fixedly installed at the lower part of one end of the middle plate (4041). A positioning frame (4048) is fixedly installed at one upper end of the middle plate (4041). The second servo electric cylinder (4049) is fixedly installed on the positioning frame (4048). A second receiving knife part (4042) is provided at the other end of the middle plate (4041), and the second receiving knife part (4042) is arranged above the second roller (3012) of the third conveying group (303).

10. The folding-back mechanism of a folding machine according to claim 1, characterized in that, It further includes a paper conveying device and a paper receiving device arranged at both ends of the folding mechanism. In order to achieve various folding methods, multiple folding mechanisms are selected for combined installation and use.

Images