Adjustable slitting device for digital printing

Abstract

The utility model relates to an adjustable digital printing slitting device which comprises a base and a supporting frame, the top of the base is fixedly connected with a fixing frame, the top of the fixing frame is symmetrically and fixedly connected with two electric push rods, the bottoms of piston rods of the two electric push rods are fixedly connected with the supporting frame, and the inner side of the supporting frame is rotationally connected with a rotating shaft. And five sub-blades are arranged on the outer side of the rotating shaft, two limiting plates are symmetrically and slidably connected to the top of the base and located on one side of the fixing frame, two lead screws are symmetrically connected to the interiors of the two limiting plates in a threaded mode, two sliding grooves are symmetrically formed in the base and located below the lead screws, and the bottoms of the four lead screws extend into the corresponding sliding grooves. The slitting device has the advantages that the slitting depth can be adjusted by moving the slitting blades up and down so that the slitting device can be suitable for printed matters with different thicknesses, meanwhile, the distance between the slitting blades can be conveniently adjusted by moving the slitting blades left and right so that the cutting requirements of the printed matters with different sizes can be met, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of slitting equipment, in particular to an adjustable slitting device for digital printing. Background Art

[0002] Digital printing is a new printing technology that uses a prepress system to transmit graphic information directly to a digital printing press through a network for printing. Digital printing is a product of modern technology. Its emergence has replaced manual printing and provided convenience for people. However, with the development of printing equipment and the increase in printing speed, the requirements for paper slitting devices used in printing are getting higher and higher.

[0003] After searching, a Chinese patent discloses a slitting device for digital printing, with the authorization announcement number CN212736297U. Although the patent includes a slitting table, a first hole is provided on the top of the slitting table, a driving motor is fixedly installed on one side of the slitting table, the output shaft of the driving motor extends into the first hole and is fixedly installed with one end of a rotating rod, the other end of the rotating rod is rotatably installed on the inner wall of the first hole, a slitting knife is movably sleeved on the rotating rod, a fixed plate is fixedly installed on both sides of the slitting knife, a first movable hole is provided on the fixed plate, and the first movable hole is slidably connected to the rotating rod, a plurality of adjustment slots are provided on the top of the rotating rod, a first slot is provided on the inner wall of the top of the first movable hole, and an adjustment pin is slidably installed in the first slot. The utility model has a reasonable design, and by fixing and releasing the fixing plate, the slitting knife can be driven to adjust in the horizontal direction through the fixing plate, so as to facilitate the slitting of bills of different sizes. However, the rotating rod of the slitting device is at a fixed height, which results in the slitting blade being at a fixed height, and cannot be well applied to printed materials of different thicknesses. In addition, there is a lack of a positioning structure when the printed materials are moved or slit, which may cause the movement of the printed materials to affect the cutting quality. Therefore, those skilled in the art provide an adjustable slitting device for digital printing to solve the problems raised in the above background technology. Utility Model Content

[0004] In view of the above problems existing in the prior art, the main purpose of the utility model is to provide an adjustable slitting device for digital printing.

[0005] The technical solution of the utility model is as follows: an adjustable slitting device for digital printing, comprising a base and a support frame, the top of the base is fixedly connected to a fixing frame, the top of the fixing frame is symmetrically fixedly connected to two electric push rods, the bottoms of the two electric push rod piston rods are fixedly connected to the support frame, the inner side of the support frame is rotatably connected to a rotating shaft, the outer side of the rotating shaft is provided with five cutting blades, the top of the base and one side of the fixing frame are symmetrically slidably connected to two limit plates, the interiors of the two limit plates are symmetrically threadedly connected to two lead screws, the interior of the base and below the lead screws are symmetrically provided with two sliding grooves, the bottoms of the four lead screws extend to the inside of the corresponding sliding grooves, and the bottoms of the four lead screws are rotatably connected to positioning blocks, and the two ends of the four positioning blocks are slidably connected to the inner wall of the sliding groove.

[0006] As a preferred embodiment, the outer side of the support frame is fixedly connected to a motor, the end of the central axis of the rotating shaft close to the motor passes through the interior of the support frame and is fixedly connected to the output shaft of the motor, the outer sides of the five dividing blades are fixedly connected to positioning disks, and the interiors of the five positioning disks are symmetrically provided with two positioning components, the positioning components include a movable rod, a positioning plate, a screw and a bolt head, the movable rod is slidably connected to the interior of the positioning disk, the screw is threadedly connected to the interior of the positioning disk, the end of the screw close to the movable rod is rotatably connected to the movable rod, the bolt head is fixedly connected to the end of the screw away from the movable rod, and the positioning plate is fixedly connected to the bottom of the movable rod and fits with the outer side of the rotating shaft.

[0007] As a preferred embodiment, a connecting key is fixedly connected to the bottom of the rotating shaft, and key slots for use with the connecting key are provided inside the five positioning plates and the five dividing blades.

[0008] As a preferred embodiment, two guide rods are symmetrically and slidably connected inside the fixing frame, and the bottoms of the two guide rods are fixedly connected to the top of the supporting frame.

[0009] As a preferred implementation, the two slide grooves are both configured as T-shaped structures.

[0010] As a preferred implementation, one side of each of the ten positioning plates that is in contact with the rotating shaft is fixedly connected with an anti-slip pad.

[0011] As a preferred implementation, the motor and the two electric push rods are electrically connected to an external control device.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] The utility model discloses a cutting tool is provided with a cutting blade which can be moved up and down, so as to adjust the cutting depth and be well applicable to printed products of different thicknesses. At the same time, the cutting blade which can be moved left and right can be conveniently adjusted to cut the spacing between the cutting blades to meet the cutting requirements of printed products of different sizes. The utility model has strong practicality. Moreover, the printed products to be cut are blocked and limited by the setting of the limiting plate, so as to facilitate the stable movement of the printed products to be cut and well ensure the cutting quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0015] Figure 2 It is a schematic diagram of the main cross-sectional structure of the utility model.

[0016] Figure 3 It is a side cross-sectional structural schematic diagram of the positioning plate in the utility model.

[0017] Figure 4 For the utility model Figure 2 Enlarged structural diagram at A in the middle.

[0018] Figure 5 It is a schematic diagram of the main structure of the utility model.

[0019] Legend: 1. Base; 2. Fixed frame; 3. Support frame; 4. Rotating shaft; 5. Dividing blade; 6. Positioning plate; 7. Connecting key; 8. Movable rod; 9. Positioning plate; 10. Screw; 11. Bolt head; 12. Motor; 13. Electric push rod; 14. Guide rod; 15. Limit plate; 16. Screw; 17. Positioning block; 18. Slide groove. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with 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 of the embodiments.

[0021] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0022] Example

[0023] like Figure 1 to Figure 5As shown, the utility model provides a technical solution: it includes a base 1 and a support frame 3, the top of the base 1 is fixedly connected with a fixing frame 2, the top of the fixing frame 2 is symmetrically fixedly connected with two electric push rods 13, the bottoms of the piston rods of the two electric push rods 13 are fixedly connected with the support frame 3, the inner side of the support frame 3 is rotatably connected with a rotating shaft 4, the outer side of the rotating shaft 4 is provided with five dividing blades 5, the top of the base 1 and one side of the fixing frame 2 are symmetrically slidably connected with two limit plates 15, the insides of the two limit plates 15 are symmetrically threaded with two screw rods 16, the inside of the base 1 and below the screw rod 16 are symmetrically provided with two slide grooves 18, the bottoms of the four screw rods 16 extend to the inside of the corresponding slide grooves 18, and the bottoms of the four screw rods 16 are rotatably connected with positioning blocks 17, and the two ends of the four positioning blocks 17 are connected to the sliding The inner wall of the groove 18 is slidably connected, and the electric push rod 13 drives the support frame 3 to move up and down. The up and down movement of the support frame 3 can better drive the rotating shaft 4 and the dividing blade 5 to move up and down. Based on the up and down movement of the dividing blade 5, the slitting depth can be adjusted to be well suitable for printed products of different thicknesses. At the same time, the printed product to be slit is placed between the two limit plates 15, and the limit plates 15 are moved toward each other so that the limit plates 15 and the printed product to be slit are fitted, and then the screw rod 16 is rotated. The screw rod 16 rotates and moves upward, and at the same time drives the positioning block 17 to move upward and fit the inner wall of the slide groove 18, so that the fixing operation of the limit plate 15 can be completed. The operation is simple. Under the action of the limit plate 15, the printed product to be slit can be blocked and limited, which can be conducive to the stable movement of the printed product to be slit, and the slitting quality is well guaranteed.

[0024] Among them, the outer side of the support frame 3 is fixedly connected to the motor 12, the end of the central axis of the rotating shaft 4 close to the motor 12 passes through the interior of the support frame 3 and is fixedly connected to the output shaft of the motor 12, the outer sides of the five dividing blades 5 are fixedly connected to the positioning disk 6, and the interiors of the five positioning disks 6 are symmetrically provided with two positioning components, the positioning components include a movable rod 8, a positioning plate 9, a screw 10 and a bolt head 11, the movable rod 8 is slidably connected to the interior of the positioning disk 6, the screw 10 is threadedly connected to the interior of the positioning disk 6, the end of the screw 10 close to the movable rod 8 is rotatably connected to the movable rod 8, the bolt head 11 is fixedly connected to the end of the screw 10 away from the movable rod 8, the positioning plate 9 is fixedly connected to the bottom of the movable rod 8 and When the distance between the dividing blades 5 needs to be adjusted, the bolt head 11 is screwed with an external tool. The rotation of the bolt head 11 drives the screw rod 10 to rotate, and the screw rod 10 moves away from each other while rotating, so that the movable rod 8 can be better moved away from each other. The movement of the movable rod 8 drives the positioning plate 9 to move away from the outer side of the rotating shaft 4, thereby completing the separation operation of the dividing blade 5 and the rotating shaft 4. The position adjustment operation can be achieved by moving the dividing blade 5 to meet the cutting requirements at different positions. It is highly practical. When cutting is required, the motor 12 is controlled to drive the rotating shaft 4 to rotate. The rotation of the rotating shaft 4 can better drive the dividing blade 5 to rotate to complete the cutting work.

[0025] Among them, a connecting key 7 is fixedly connected to the bottom of the rotating shaft 4, and key slots for use with the connecting key 7 are provided inside the five positioning plates 6 and the five dividing blades 5. Through the cooperation of the key slots and the connecting key 7, the torque of the rotating shaft 4 can be better transmitted to the dividing blades 5;

[0026] Among them, the interior of the fixed frame 2 is symmetrically slidably connected with two guide rods 14, and the bottoms of the two guide rods 14 are fixedly connected to the top of the support frame 3. When the support frame 3 moves up and down, the guide rods 14 are driven to slide inside the fixed frame 2, thereby increasing the stability of the support frame 3 when moving;

[0027] The two slide grooves 18 are both T-shaped structures, and the T-shaped slide grooves 18 can prevent the positioning block 17 from moving upwards too far and separating from the slide grooves 18;

[0028] Among them, the ten positioning plates 9 are fixedly connected to the side of the rotating shaft 4 with an anti-skid pad, which can be used to increase the friction between the positioning plates 9 and the outer side of the rotating shaft 4, so that the positioning plates 9 can be more stably fitted with the outer side of the rotating shaft 4 to better complete the positioning operation of the dividing blade 5;

[0029] The motor 12 and the two electric push rods 13 are electrically connected to an external control device. By operating the external control device, the motor 12 and the two electric push rods 13 can be better controlled to complete the cutting work and the adjustment operation.

[0030] Working principle:

[0031] like Figure 1 to Figure 5 As shown, the printed matter to be cut is placed between the two limit plates 15, and the limit plates 15 are moved toward each other so that the limit plates 15 and the printed matter to be cut are fitted together, and then the screw rod 16 is rotated. The screw rod 16 rotates and moves upward, and at the same time drives the positioning block 17 to move upward and fit the inner wall of the slide groove 18, so that the fixing operation of the limit plate 15 can be completed. The operation is simple. Under the action of the limit plate 15, the printed matter to be cut can be blocked and limited, which can be conducive to the stable movement of the printed matter to be cut, and the cutting quality is well guaranteed. The electric push rod 13 is controlled to run and drive the support frame 3 to move up and down. The up and down movement of the support frame 3 can better drive the rotating shaft 4 and the dividing blade 5 to move up and down. Based on the up and down movement operation of the dividing blade 5, the cutting depth can be adjusted. , so as to be well suitable for printed materials of different thicknesses. After the dividing blade 5 moves downward and fits the printed material to be cut, the motor 12 is controlled to run and drive the rotating shaft 4 to rotate. The rotation of the rotating shaft 4 can better drive the dividing blade 5 to rotate and complete the cutting work. When the distance between the dividing blades 5 needs to be adjusted, an external tool is used to screw the bolt head 11. The rotation of the bolt head 11 drives the screw rod 10 to rotate. The screw rod 10 moves away while rotating, so as to better complete the separation movement of the movable rod 8. The movement of the movable rod 8 drives the positioning plate 9 to move away and separate from the outer side of the rotating shaft 4, thereby completing the separation operation of the dividing blade 5 and the rotating shaft 4. The position adjustment operation can be realized by moving the dividing blade 5 to meet the cutting requirements at different positions, and the practicability is strong.

[0032] Finally, it should be noted that the above-described embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the various embodiments of the utility model.

Claims

1. An adjustable slitting device for digital printing, comprising a base (1) and a support frame (3), characterized in that: The top of the base (1) is fixedly connected to a fixing frame (2), the top of the fixing frame (2) is symmetrically fixedly connected to two electric push rods (13), the bottoms of the piston rods of the two electric push rods (13) are fixedly connected to the support frame (3), the inner side of the support frame (3) is rotatably connected to a rotating shaft (4), the outer side of the rotating shaft (4) is provided with five dividing blades (5), the top of the base (1) and located on one side of the fixing frame (2) are symmetrically slidably connected to two limit plates (15), the insides of the two limit plates (15) are symmetrically threadedly connected to two screw rods (16), the inside of the base (1) and located below the screw rod (16) are symmetrically provided with two slide grooves (18), the bottoms of the four screw rods (16) extend into the inside of the corresponding slide grooves (18), and the bottoms of the four screw rods (16) are rotatably connected to positioning blocks (17), and the two ends of the four positioning blocks (17) are slidably connected to the inner wall of the slide groove (18).

2. The adjustable slitting device for digital printing according to claim 1, characterized in that: The outer side of the support frame (3) is fixedly connected to a motor (12); one end of the central axis of the rotating shaft (4) close to the motor (12) passes through the interior of the support frame (3) and is fixedly connected to the output shaft of the motor (12); the outer sides of the five dividing blades (5) are fixedly connected to positioning disks (6); the interiors of the five positioning disks (6) are symmetrically provided with two positioning components, the positioning components comprising a movable rod (8), a positioning plate (9), a screw rod (10) and a bolt head (11); the movable rod (8) is slidably connected to the interior of the positioning disk (6); the screw rod (10) is threadedly connected to the interior of the positioning disk (6); the end of the screw rod (10) close to the movable rod (8) is rotatably connected to the movable rod (8); the bolt head (11) is fixedly connected to the end of the screw rod (10) away from the movable rod (8); the positioning plate (9) is fixedly connected to the bottom of the movable rod (8) and fits the outer side of the rotating shaft (4).

3. The adjustable slitting device for digital printing according to claim 2, characterized in that: A connecting key (7) is fixedly connected to the bottom of the rotating shaft (4), and key slots for use with the connecting key (7) are provided inside the five positioning plates (6) and the five dividing blades (5).

4. The adjustable slitting device for digital printing according to claim 3, characterized in that: Two guide rods (14) are symmetrically and slidably connected inside the fixing frame (2), and the bottoms of the two guide rods (14) are fixedly connected to the top of the supporting frame (3).

5. The adjustable slitting device for digital printing according to claim 4, characterized in that: The two slide grooves (18) are both configured as T-shaped structures.

6. The adjustable slitting device for digital printing according to claim 5, characterized in that: The ten positioning plates (9) are all fixedly connected with anti-skid pads on one side thereof that is in contact with the rotating shaft (4).

7. The adjustable slitting device for digital printing according to claim 2, characterized in that: The motor (12) and the two electric push rods (13) are electrically connected to external control equipment.

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