Feeder adjusting mechanism of die-cutting machine

By incorporating the Z-axis fine-tuning component and dustproof design of the feeder adjustment mechanism in the die-cutting machine, the problem of feeder height adapting to changes in paper thickness has been solved, thereby improving paper separation accuracy and dustproof effect.

CN223737243UActive Publication Date: 2025-12-30YUTIAN HUATAI PRINTING MASCH CO LTD
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Patent Information

Application Number
CN202520147826.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-21
Publication Date
2025-12-30
Estimated Expiration
2035-01-21

AI Technical Summary

Technical Problem

In die-cutting machines, the height matching between the feeder and the paper stack is difficult to adapt to changes in paper thickness, leading to problems such as paper deformation or ineffective separation.

Method used

The die-cutting machine feeder adjustment mechanism, which includes a Z-axis fine-tuning component, achieves fine-tuning of the feeder height through the cooperation of the first lead screw shaft and the first lead screw nut. Combined with the housing and dustproof unit, it prevents powder from entering between the guide rail and the lead screw nut, ensuring high-precision cooperation.

Benefits of technology

It enables flexible adjustment of feeder height, prevents paper deformation, improves paper separation accuracy, and maintains the high precision and dustproof effect of the adjustment mechanism.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223737243U_ABST
    Figure CN223737243U_ABST
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Abstract

The utility model belongs to the field of die-cutting machines, and particularly relates to a die-cutting machine feeder adjusting mechanism which comprises a machine frame and an X-axis sliding rail assembly arranged on the machine frame, a feeder is connected with the X-axis sliding rail assembly in a sliding mode through an X-axis sliding block, and the adjusting mechanism further comprises a Z-axis fine adjustment assembly arranged between the feeder and the X-axis sliding block. The Z-axis fine adjustment assembly comprises a first lead screw shaft and a first lead screw nut, the first lead screw shaft is in threaded connection with the first lead screw nut, the axial direction of the first lead screw shaft is parallel to the Z axis, and the feeder is connected with the first lead screw nut through a Z-axis sliding block. The first lead screw shaft is arranged on the X-axis sliding block and has the freedom degree of rotation relative to the first lead screw nut, the adjusting mechanism can finely adjust the height of the feeder, the height of the feeder is made to adapt to the thickness of paper, the paper is prevented from deforming or being effectively separated, and the paper separating precision of the feeder is improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of die cutting machine, concretely relates to a die cutting machine fly dart adjusting mechanism. BACKGROUND

[0002] In the die cutting machine, the main function of the fly dart is to separate the paper from the paper stack one by one and accurately deliver to the working area of the paper cutting machine. In order to ensure that the paper can be accurately separated and delivered, a position adjusting mechanism is usually arranged between the fly dart and the rack, which can quickly adjust the position of the fly dart. However, in actual use, different paper thicknesses require different fly dart heights, and due to changes in temperature, vibration or paper quantity, the preset height between the fly dart and the paper stack is prone to mismatch, so an adjusting mechanism capable of fine-tuning the height of the fly dart is needed. SUMMARY

[0003] In order to solve the problems existing in the prior art, the utility model provides a die cutting machine fly dart adjusting mechanism, which can fine-tune the height of the fly dart, adapt the height of the fly dart to the thickness of the paper, prevent the paper from deforming or being unable to be effectively separated, and improve the accuracy of the fly dart separating the paper.

[0004] The specific technical scheme adopted by the utility model is:

[0005] A die cutting machine fly dart adjusting mechanism, comprising a rack and an X-axis sliding rail assembly arranged on the rack, the fly dart being slidingly connected with the X-axis sliding rail assembly through an X-axis sliding block, and the key lies in that the adjusting mechanism further comprises a Z-axis fine-tuning assembly arranged between the fly dart and the X-axis sliding block, the Z-axis fine-tuning assembly comprising a first lead screw shaft and a first lead screw nut, the first lead screw shaft being threadedly connected with the first lead screw nut, the axial direction of the first lead screw shaft being arranged in parallel with the Z-axis, the fly dart being connected with the first lead screw nut through a Z-axis sliding block, and the first lead screw shaft being arranged on the X-axis sliding block and having a degree of freedom of rotation relative to the first lead screw nut.

[0006] A first guide rail is arranged on the X-axis sliding block, the first guide rail being arranged in parallel with the axial direction of the first lead screw shaft, and a first guide sliding groove matched with the first guide rail is arranged on the Z-axis sliding block.

[0007] The adjusting mechanism further comprises a housing, the housing being arranged on the Z-axis fine-tuning assembly and connected with the Z-axis sliding block, and a through hole matched with the first lead screw shaft being formed in the housing.

[0008] The open end of the housing is attached to the side wall of the X-axis sliding block through a dustproof unit, the dustproof unit comprising a first scraper, a second scraper and a sealing skirt, the first scraper being arranged at the upper end of the housing, the second scraper being arranged at the lower end of the housing, and the sealing skirt being located between the first scraper and the second scraper.

[0009] The Z-axis slider is connected with the flying head through a mounting rod, a vertical mounting plate is arranged on the overhanging end of the mounting rod, the mounting surface of the vertical mounting plate faces the feeding direction of the paper stack, and the mounting surface of the vertical mounting plate is arranged vertically to the X-axis.

[0010] The X-axis sliding rail assembly comprises a second screw shaft and a second screw nut, the second screw shaft is movably connected with the frame, a driving motor and a second guide rail are arranged on the frame respectively, the driving motor is in transmission connection with the second screw shaft, the second guide rail is arranged in parallel with the second screw shaft, a second guide sliding groove matched with the second guide rail is arranged on the X-axis slider, and the X-axis slider is connected with the second screw nut.

[0011] A rotating handle is arranged on the first screw shaft.

[0012] The utility model discloses the beneficial effect is:

[0013] The utility model relates to a kind of flying head adjusting mechanism of die cutting machine, is rotated by driving unit driving first screw shaft, first screw nut is displaced along the axial direction of first screw shaft with the rotation of first screw shaft, i.e., first screw nut drives Z-axis slider, flying head and is raised or lowered along Z-axis, the height of flying head adapts to the thickness of paper, prevent paper deformation or cannot be effectively separated, improve the precision of flying head separating paper;

[0014] The first guide rail, Z-axis slider and first screw nut cover in the Z-axis fine adjustment assembly are arranged in the shell, to prevent the powder generated in the process of paper being separated, transported or cut from entering the first guide rail and the first guide sliding groove, the threaded end of the first screw shaft and the first screw nut between the first screw nut, affect the high-precision cooperation of Z-axis fine adjustment assembly;

[0015] The opening end of the shell is provided with a scraper and a sealing skirt, the sidewall of the X-axis slider is scraped during the movement of the shell with the Z-axis slider, the powder on the X-axis slider is pushed and scraped, the sealing skirt improves the sealing property of the shell and the X-axis slider, to further prevent the powder from entering the shell. BRIEF DESCRIPTION OF DRAWINGS

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

[0017] Figure 2 It is the structural schematic diagram of the utility model after removing frame;

[0018] Figure 3 It is the structural schematic diagram of the utility model after removing shell;

[0019] Figure 4A structural schematic view of the shell;

[0020] In the drawings, 1, frame, 2, X-axis slider, 3, first screw shaft, 4, buckling plate, 5, Z-axis slider, 6, first guide rail, 7, shell, 8, first scraper, 9, sealing skirt, 10, mounting rod, 11, vertical mounting plate, 12, second screw shaft, 13, second scraper, 14, driving motor, 15, second guide rail, 16, driving unit. DETAILED DESCRIPTION

[0021] The utility model will be further explained in connection with the drawings and specific embodiments:

[0022] Specific embodiments such as Figure 1 As shown in the figure, the utility model relates to a die cutting machine fly adjustment mechanism, including frame 1 and set up X-axis slide rail assembly on frame 1, fly is connected with X-axis slide rail assembly slidingly by X-axis slider 2, the key is, adjustment mechanism still includes the Z-axis fine adjustment assembly between fly and X-axis slider 2, Z-axis fine adjustment assembly includes first screw shaft 3 and first screw nut, first screw shaft 3 is connected with first screw nut threadedly, the axial direction of first screw shaft 3 is parallelly arranged with Z-axis, fly is connected with first screw nut by Z-axis slider 5, first screw shaft 3 is arranged on X-axis slider 2 and has the freedom of rotation relative to first screw nut. Wherein first screw shaft 3 is provided with rotating handle. By manually rotating the rotating handle, the rotation of the first screw shaft 3 can be realized.

[0023] When working, the height of fly is set according to the preset position, when the paper is thin, the height of fly needs to be appropriately adjusted, and when the paper thickness is thick, for example, thick card paper, the height of fly needs to be appropriately adjusted, so the height of fly needs to be fine adjusted according to the thickness of the paper separated and conveyed, the adjustment mechanism is driven by driving unit 16 to rotate first screw shaft 3 on X-axis slider 2, first screw nut is displaced along the axial direction of first screw shaft 3 with the rotation of first screw shaft 3, that is, first screw nut drives Z-axis slider 5, fly to rise or fall along Z-axis, so that the height of fly adapts to the thickness of paper, prevents paper deformation or cannot be effectively separated, and improves the precision of fly separating paper.

[0024] First guide rail 6 is arranged on X-axis slider 2, and first guide rail 6 is arranged in parallel with the axial direction of first screw shaft 3, and first guide rail 6 is arranged on Z-axis slider 5, and first guide rail 6 is matched with first guide groove, and Z-axis slider 5 is matched with first guide rail 6 by first guide groove, to prevent Z-axis slider 5 from swinging with the rotation of first screw shaft 3, so that Z-axis slider 5 can move accurately along Z-axis, and prevent fly from being inclined.

[0025] Preferably, the convex block is fixedly connected to the X-axis slider 2, and the first guide rail 6 is arranged on the convex block, and the first guide rail 6 is connected with the X-axis slider 2 by the convex block.

[0026] As Figure 1 shown, the adjustment mechanism further comprises a housing 7, which is arranged on the Z-axis fine adjustment assembly and connected with the Z-axis slider 5. The housing 7 is provided with a through hole matched with the first screw shaft 3. The housing 7 covers the first guide rail 6, the Z-axis slider 5 and the first screw nut in the Z-axis fine adjustment assembly, reducing the contact of the first guide rail 6, the Z-axis slider 5 and the first screw nut with the external air, preventing the powder generated in the process of separating, conveying or cutting the paper from entering the gap between the first guide rail 6 and the first guide groove, and the gap between the threaded end of the first screw shaft 3 and the first screw nut, and affecting the high-precision cooperation of the Z-axis fine adjustment assembly.

[0027] Further, as Figure 4 shown, the open end of the housing 7 is attached to the side wall of the X-axis slider 2 by means of a dustproof unit. The dustproof unit comprises a first scraper 8, a second scraper 13 and a sealing skirt 9. The first scraper 8 is arranged at the upper end of the housing 7, the second scraper 13 is arranged at the lower end of the housing 7, and the sealing skirt 9 is located between the first scraper 8 and the second scraper 13. The first scraper 8 and the second scraper 13 respectively scrape the side wall of the X-axis slider 2. When the housing 7 moves upward with the Z-axis slider 5, the first scraper 8 at the upper end of the housing 7 pushes the powder above the X-axis slider 2 upward, and the sealing skirt 9 seals and slides against the side wall of the X-axis slider 2, preventing the powder from entering the gap between the first guide rail 6 and the first guide groove, and the gap between the threaded end of the first screw shaft 3 and the first screw nut. When the housing 7 moves downward with the Z-axis slider 5, the second scraper 13 at the lower end of the housing 7 pushes the powder below the X-axis slider 2 downward, and the sealing skirt 9 seals and slides against the side wall of the X-axis slider 2.

[0028] Since the upper end of the housing 7 is provided with a U-shaped opening, it is convenient for the first screw shaft 3 to pass through when the housing 7 is installed. The upper end of the housing 7 is also hinged to a pair of buckling plates 4. After the housing 7 is installed on the Z-axis slider 5, the buckling plates 4 are rotated to make the buckling plates 4 contact and close to block the U-shaped opening. The contact surfaces between the buckling plates 4, the lower end of the buckling plate 16 and the housing 7 are respectively provided with sealing pads to prevent dust from entering the housing 7. Two first scrapers 8 are arranged above the housing 7, and the adjacent ends of the two first scrapers 8 are flush with the edges of the buckling plates 4. Rubber pads are arranged on the adjacent ends of the two first scrapers 8 to further reduce the gap between the housing 7 and the side wall of the X-axis slider 2, preventing dust from entering. The buckling plates 4 that are in contact and closed can be locked and fixed by means of a lock, or fixed to the housing 7 by means of a bolt.

[0029] Further, the Z-axis sliding block 5 is connected with the feeder by means of the mounting rod 10, the overhanging end of the mounting rod 10 is provided with a vertical mounting plate 11, the mounting surface of the vertical mounting plate 11 faces the feeding direction of the paper stack, the mounting surface of the vertical mounting plate 11 is perpendicular to the X-axis, and the feeder is mounted on the mounting surface of the vertical mounting plate 11, so that the feeder can be conveniently disassembled, repaired or replaced by the staff without the need to stretch the head or hand into the lower part of the feeder to operate, and the safety performance of the feeder disassembly is improved.

[0030] Further, as shown in Figure 2 the X-axis sliding rail assembly includes a second screw shaft 12 and a second screw nut, the second screw shaft 12 and the second screw nut are connected in a matched mode, the second screw shaft 12 is movably connected with the rack 1, the rack 1 is respectively provided with a driving motor 14 and a second guide rail 15, the driving motor 14 is in transmission connection with the second screw shaft 12, the second guide rail 15 is arranged in parallel with the second screw shaft 12, the X-axis sliding block 2 is provided with a second guide sliding groove matched with the second guide rail 15, the X-axis sliding block 2 is connected with the second screw nut, the axial direction of the second screw shaft 12 is arranged in parallel with the X-axis, the driving motor 14 drives the second screw shaft 12 to rotate, and the X-axis sliding block 2 can be accurately moved along the axial direction of the second screw shaft 12 in cooperation with the guiding action of the second guide rail 15 and the second guide sliding groove, so that the front and back positions of the feeder and the paper are adjusted, and it is ensured that the pointing can be accurately positioned and conveyed.

Claims

1. A flying cutter adjustment mechanism of a die cutting machine, comprising a machine frame (1) and an X-axis slide rail assembly arranged on the machine frame (1), the flying cutter being slidably connected with the X-axis slide rail assembly by means of an X-axis slide block (2), characterized in that: The adjustment mechanism further comprises a Z-axis fine adjustment assembly arranged between the flying lever and the X-axis slider (2), the Z-axis fine adjustment assembly comprises a first screw shaft (3) and a first screw nut, the first screw shaft (3) is threadedly connected with the first screw nut, the axial direction of the first screw shaft (3) is arranged in parallel with the Z-axis, the flying lever is connected with the first screw nut through the Z-axis slider (5), and the first screw shaft (3) is arranged on the X-axis slider (2) and has a rotational freedom degree relative to the first screw nut.

2. The flywheel adjustment mechanism of claim 1, wherein: The X-axis slider (2) is provided with a first guide rail (6), the first guide rail (6) is arranged in parallel with the axial direction of the first screw shaft (3), and the Z-axis slider (5) is provided with a first guide sliding groove matched with the first guide rail (6).

3. The flywheel adjustment mechanism of claim 1, wherein: The adjustment mechanism further comprises a housing (7), the housing (7) is arranged on the Z-axis fine adjustment assembly and connected with the Z-axis slider (5), and the housing (7) is provided with a through hole matched with the first screw shaft (3).

4. The flywheel adjustment mechanism of claim 3, wherein: The opening end of the housing (7) is attached to the side wall of the X-axis slider (2) through a dustproof unit, the dustproof unit comprises a first scraper (8), a second scraper (13) and a sealing skirt (9), the first scraper (8) is arranged at the upper end of the housing (7), the second scraper (13) is arranged at the lower end of the housing (7), and the sealing skirt (9) is located between the first scraper (8) and the second scraper (13).

5. The flywheel adjustment mechanism of claim 1, wherein: The Z-axis slider (5) is connected with the flying lever through a mounting rod (10), the overhanging end of the mounting rod (10) is provided with a vertical mounting plate (11), the mounting surface of the vertical mounting plate (11) faces the feeding direction of the paper stack, the mounting surface of the vertical mounting plate (11) is arranged in perpendicular to the X-axis, and the flying lever is mounted on the mounting surface of the vertical mounting plate (11).

6. The flywheel adjustment mechanism of claim 1, wherein: The X-axis sliding rail assembly comprises a second screw shaft (12) and a second screw nut, the second screw shaft (12) is movably connected with the rack (1), the rack (1) is respectively provided with a driving motor (14) and a second guide rail (15), the driving motor (14) is in transmission connection with the second screw shaft (12), the second guide rail (15) is arranged in parallel with the second screw shaft (12), the X-axis slider (2) is provided with a second guide sliding groove matched with the second guide rail (15), and the X-axis slider (2) is connected with the second screw nut.

7. The flywheel adjustment mechanism of claim 1, wherein: The first screw shaft (3) is connected with a rotating handle.