Telescopic mechanism capable of adjusting cutter gap

The servo motor-driven lifting mechanism and CNC control solve the problems of low cutting accuracy and large equipment size of the rotary die-cutting machine, and achieve high-precision and fast tool gap adjustment and equipment aesthetics.

CN223442418UActive Publication Date: 2025-10-17DONGGUAN YINGNET INTELLIGENT EQUIPMENT CO LTD
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Patent Information

Application Number
CN202422862429.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-23
Publication Date
2025-10-17
Estimated Expiration
2034-11-23

AI Technical Summary

Technical Problem

The existing rotary die-cutting machine has low cutting accuracy and large equipment size, poor stability of the pneumatic cylinder, and low efficiency and poor accuracy in manually adjusting the distance between the blade rollers.

Method used

The lifting mechanism is driven by a servo motor, and the vertical screw and pulley system are used to achieve stable lifting of the scraper lifting plate. The height of the knife roller is controlled by CNC and hidden in the chassis to improve the appearance and stability of the equipment.

Benefits of technology

It realizes high-precision and fast automatic tool gap adjustment, improves cutting accuracy and equipment aesthetics, and avoids damage caused by foreign objects collision.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a telescopic mechanism capable of adjusting a cutter gap, which relates to the field of paper and film processing equipment and comprises a case, a worktable is fixedly mounted on the upper side of the case, side plates are fixedly mounted on the front side and the rear side of the worktable, vertical guide rails are fixedly mounted on the inner sides of the side plates, and sliders are mounted on the vertical guide rails in a sliding fit manner. Scraper lifting plates are fixedly installed on the sliding blocks, a knife roller is installed between the scraper lifting plates on the front side and the rear side in a running fit mode, lifting mechanisms are fixedly installed on the front side and the rear side in the machine box, the lifting mechanisms drive the scraper lifting plates to ascend and descend in a one-to-one correspondence mode, and the lifting mechanisms are located on the bottom side of the workbench. A paper feeding roller is installed between the side plates on the front side and the rear side in a rotating fit mode, and the knife roller is located above the paper feeding roller. The lifting mechanism can drive the scraper lifting plate to lift stably, automatic lifting is achieved in an electric mode, and compared with a traditional manual adjusting mode, the precision is higher, and the adjusting efficiency is higher.
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Description

TECHNICAL FIELD

[0001] The utility model relates to paper, film processing equipment field especially, it is a kind of telescopic mechanism of adjustable cutter gap. BACKGROUND

[0002] The circular die-cutting machine is a kind of cutting machine, commonly used in mass production, the working part of both the plate table and the cutting mechanism of the circular die-cutting machine is cylindrical, during work, the paper board is sent to the die-cutting plate cylinder and the pressure cylinder between the paper roll, and it is clamped by both to carry out die cutting to cylinder, die-cutting plate cylinder rotates a week, it is a working cycle, and it is widely used in paperboard die cutting.

[0003] Prior art (announcement number: CN218226951U, announcement date: 2023.01.06) discloses a cutting thickness adjustable circular die-cutting device, which utilizes pneumatic cylinder to adjust the height of auxiliary wheel, and then makes it close to or away from cutting wheel to carry out cutting action, the design scheme has the following defects, 1, using pneumatic cylinder to drive lifting exists lower stability, leading to low cutting precision;2, it needs to set the height adjusting mechanism on the top, the mechanism cannot be hidden, leading to large equipment size, not beautiful.

[0004] Other knife rollers of prior art generally utilize manual adjustment mode to adjust the distance between knife roller and paper feed roller, and there are defects of low adjustment efficiency and poor adjustment precision. UTILITY MODEL CONTENTS

[0005] The utility model provides a technical scheme capable of solving the above problems to overcome the above deficiencies.

[0006] A telescopic mechanism of adjustable cutter gap, including the machine case, the upper side of the machine case is fixedly installed with the workbench, the front and rear sides of the workbench are fixedly installed with the side plate, the two side plates are symmetrically arranged front and rear to each other, the inner side of the side plate is fixedly installed with the vertical guide rail, the sliding block is slidably installed on the vertical guide rail, the scraper lifting plate is fixedly installed on the sliding block, the knife roller is rotatably installed between the scraper lifting plates of the front and rear sides, the lifting mechanism is fixedly installed on the front and rear sides in the machine case, the lifting mechanism drives the scraper lifting plate to move up and down one by one, the lifting mechanism is located at the bottom side of the workbench, the paper feed roller is rotatably installed between the side plates of the front and rear sides, and the knife roller is located above the paper feed roller.

[0007] Further, the lifting mechanism comprises a mounting frame, a servo motor, a first belt pulley, a second belt pulley, a conveying belt and a vertical screw rod, the mounting frame is fixedly installed at the bottom side of the workbench, the servo motor is fixedly installed at the bottom side of the mounting frame, the first belt pulley is fixedly installed at the rotor of the servo motor, the vertical screw rod is rotatably and movably installed at the inner side of the side plate, the workbench is formed with a through hole for the vertical screw rod to pass through, the second belt pulley is fixedly installed at the lower end of the vertical screw rod, the conveying belt is movably installed between the first belt pulley and the second belt pulley, the scraper lifting plate is formed with a threaded hole, and the vertical screw rod is screwedly installed in the threaded hole.

[0008] Further, the upper end of the vertical screw rod is rotatably and movably installed at the inner side of the side plate, and the lower end of the vertical screw rod is rotatably and movably installed at the bottom side of the workbench.

[0009] Further, the outer side of the cutter roller is formed with two cutting grooves, and the side edge of the cutting groove is formed with a right-angle cutting edge; when the cutter roller rotates counterclockwise, the right-angle cutting edge cuts the paper on the paper roller.

[0010] Further, the inner side of the side plate is fixedly installed with a support frame, the inner side of the support frame is formed with a sliding plate groove, the sliding plate groove between the front and rear support frames is gap-fit installed with a support plate, the upper side of the support plate is integrally formed with a plurality of support edges, and the end of the support edge close to the paper roller is formed with an inner arc edge.

[0011] Further, the front and rear ends of the support edge are fixedly installed with positioning blocks, the positioning blocks are formed with bolt holes, the bolt holes are screw-fit installed with positioning bolts, the inner ends of the positioning bolts are rotatably and movably installed on the support frame, and the outer ends of the positioning bolts are fixedly installed with adjusting handles.

[0012] Compared with the prior art, the device has the advantages that:

[0013] 1. The side plates are installed on the front and rear sides of the workbench, and then the vertical guide rails are installed on the inner sides of the side plates, so that stable lifting movement of the two scraper lifting plates is realized through sliding cooperation of the sliding blocks on the vertical guide rails.

[0014] 2. The lifting mechanism is arranged at the bottom side of the workbench and can be hidden in the machine box, so that the effect of hiding the lifting mechanism is realized, the appearance of the device is improved, and the lifting mechanism will not be damaged due to collision with external objects.

[0015] The device can ensure stable lifting of the scraper lifting plate driven by the lifting mechanism, realizes automatic lifting in an electric manner, has higher precision and faster adjustment efficiency compared with a traditional manual adjustment manner, and is convenient to use.

[0016] The additional aspects and advantages of the present application will be given in part in the following description, and will become apparent from the description, or will be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0018] Figure 1 is a structural schematic view of the present application;

[0019] Figure 2 is a structural schematic view of the side plate installed on the workbench;

[0020] Figure 3 is a schematic view of the installation structure of the knife roll;

[0021] Figure 4 is Figure 3 is a structural schematic view from another perspective;

[0022] Figure 5 is Figure 4 is a structural schematic view from another position;

[0023] Figure 6 is Figure 5 is an enlarged structural schematic view of A of

[0024] Figure 7 is Figure 3 is a structural schematic view from another perspective;

[0025] Figure 8 is Figure 3 is a structural schematic view from another perspective;

[0026] Figure 9 is a structural schematic view from another perspective of the present application;

[0027] Figure 10 is Figure 9 is an enlarged structural schematic view of B of

[0028] As shown in the figure: 1, case; 2, workbench; 3, side plate; 4, vertical guide rail; 5, sliding block; 6, scraper lifting plate; 7, knife roll; 8, lifting mechanism; 81, mounting frame; 82, servo motor; 83, first pulley; 84, second pulley; 85, conveying belt; 86, vertical screw; 9, paper feed roller; 10, through hole; 11, threaded hole; 12, slot; 13, right-angle trimming; 14, support frame; 15, sliding plate groove; 16, support plate; 17, support edge; 18, inner circular arc edge; 19, positioning block; 20, bolt hole; 21, positioning bolt; 22, adjusting handle. DETAILED DESCRIPTION

[0029] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments.

[0030] The components of the embodiments of the present application generally described and shown in the accompanying drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but only represents selected embodiments of the present application.

[0031] Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0032] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0033] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0034] As Figures 1-10As shown, the utility model discloses a telescopic mechanism of adjustable tool gap, including the case 1, the upside fixed mounting of case 1 has the workbench 2, the front and rear both sides of workbench 2 all are fixedly installed with the side plate 3, and the mutual front and rear symmetry of two side plates 3 are arranged, and the inside fixed mounting of side plate 3 has vertical guide rail 4, and the sliding fit installation of vertical guide rail 4 has slider 5 on, and the fixed mounting of slider 5 has scraper lifting plate 6 on, and the front and rear both sides of scraper lifting plate 6 are rotatably installed with knife roll 7 between, and the front and rear both sides of case 1 all are fixedly installed with lifting mechanism 8, and lifting mechanism 8 one one correspondingly drives scraper lifting plate 6 to carry out lifting movement, and lifting mechanism 8 is located the bottom side of workbench 2, and the front and rear both sides of rotatably installed with paper feed roller 9 between side plate 3, and knife roll 7 is located the top of paper feed roller 9;

[0035] Its principle is: installing side plate 3 on the front and rear both sides of workbench 2, then installing vertical guide rail 4 on the inside of side plate 3, and the stable lifting movement of two scraper lifting plates 6 is realized through the sliding fit of slider 5 on vertical guide rail 4, and lifting mechanism 8 is arranged at the bottom side of workbench 2, can hide in case 1, can realize the effect of hiding lifting mechanism 8, improve the equipment appearance, lifting mechanism 8 will not collide with external object and cause damage, and can ensure that lifting mechanism 8 drives scraper lifting plate 6 to stably lift, realizes automatic lifting by electric mode, compared with traditional manual adjustment mode, is more accurate, and adjustment efficiency is also faster, convenient to use.

[0036] Further: the lifting mechanism 8 includes mounting frame 81, servo motor 82, first pulley 83, second pulley 84, conveying belt 85 and vertical screw rod 86, mounting frame 81 is fixedly installed at the bottom side of workbench 2, servo motor 82 is fixedly installed at the bottom side of mounting frame 81, first pulley 83 is fixedly installed at the rotor of servo motor 82, vertical screw rod 86 is rotatably installed at the inside of side plate 3, and the through hole 10 for vertical screw rod 86 is formed in workbench 2, second pulley 84 is fixedly installed at the lower end of vertical screw rod 86, conveying belt 85 is installed between first pulley 83 and second pulley 84, and the threaded hole 11 is formed in scraper lifting plate 6, and vertical screw rod 86 is screwedly installed in threaded hole 11;Servo motor 82 drives vertical screw rod 86 to rotate through conveying belt 85, and the stable lifting movement of scraper lifting plate 6 can be realized through the screwing cooperation between threaded hole 11 and vertical screw rod 86 when vertical screw rod 86 rotates, and the whole lifting mechanism 8 can be at the bottom side of workbench 2, so it can be hidden in case 1.

[0037] Further: the upper end of vertical screw rod 86 is rotatably installed at the inside of side plate 3, and the lower end of vertical screw rod 86 is rotatably installed at the bottom side of workbench 2;Can ensure the stable installation of vertical screw rod 86.

[0038] Further, the outer side of the cutter roller 7 is formed with two cutting grooves 12, and a right-angle cutting edge 13 is formed at the side edge of the cutting groove 12, and the right-angle cutting edge 13 cuts the paper on the paper feeding roller 9 when the cutter roller 7 rotates counterclockwise; the cutting groove 12 can be used to accurately cut the paper, the height of the cutter roller 7 can be controlled by numerical control, thereby improving the accuracy of the cutter roller 7 adjustment, and the right-angle cutting edge 13 on the cutting groove 12 is used to accurately cut the paper.

[0039] Further, the inner side of the side plate 3 is fixedly installed with a support frame 14, the inner side of the support frame 14 is formed with a sliding plate groove 15, the sliding plate grooves 15 of the front and rear support frames 14 are gap-fitted and installed with a support plate 16, the upper side of the support plate 16 is integrally formed with a plurality of support edges 17, and the end of the support edge 17 close to the paper feeding roller 9 is formed with an inner arc edge 18; the effect of supporting paper feeding can be achieved, and the paper can be stably conveyed to the cutter roller 7 and the paper feeding roller 9 for stable cutting.

[0040] Further, the front and rear ends of the support edge 17 are fixedly installed with a positioning block 19, the positioning block 19 is formed with a bolt hole 20, the bolt hole 20 is screw-fitted and installed with a positioning bolt 21, the inner end of the positioning bolt 21 is rotationally fitted on the support frame 14, and the outer end of the positioning bolt 21 is fixedly installed with an adjusting handle 22; the adjusting handle 22 can be used to control the rotation of the positioning bolt 21, and the position of the support edge 17 is adjusted by the screw fitting of the positioning bolt 21 and the bolt hole 20 when the positioning bolt 21 rotates, thereby facilitating the support edge 17 to approach or move away from the paper feeding roller 9, and realizing stable conveying of the paper.

[0041] The embodiment does not limit the shape, material, structure, etc. of the utility model in any form, and any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the utility model are within the protection scope of the utility model technical scheme.

Claims

1. A telescopic mechanism for adjusting tool clearance, comprising a chassis, characterized in that: A workbench is fixedly installed on the upper side of the chassis, and side panels are fixedly installed on the front and rear sides of the workbench. The two side panels are symmetrically arranged front and back with each other, and a vertical guide rail is fixedly installed on the inner side of the side panel. A slider is slidably installed on the vertical guide rail, and a scraper lifting plate is fixedly installed on the slider. A knife roller is rotatably installed between the scraper lifting plates on the front and rear sides. A lifting mechanism is fixedly installed on the front and rear sides of the chassis, and the lifting mechanism drives the scraper lifting plates to move up and down in a one-to-one manner. The lifting mechanism is located on the bottom side of the workbench, and a paper feed roller is rotatably installed between the side panels on the front and rear sides, and the knife roller is located above the paper feed roller.

2. The telescopic mechanism for adjusting the tool gap according to claim 1, characterized in that: The lifting mechanism includes a mounting frame, a servo motor, a first pulley, a second pulley, a conveyor belt and a vertical screw rod. The mounting frame is fixedly mounted on the bottom side of the workbench, the servo motor is fixedly mounted on the bottom side of the mounting frame, the first pulley is fixedly mounted on the rotor of the servo motor, the vertical screw rod is rotatably mounted on the inner side of the side panel, a through hole is formed on the workbench for the vertical screw rod to pass through, the second pulley is fixedly mounted on the lower end of the vertical screw rod, the conveyor belt is mounted between the first pulley and the second pulley, a threaded hole is formed on the scraper lifting plate, and the vertical screw rod is spirally mounted in the threaded hole.

3. The telescopic mechanism for adjusting the tool gap according to claim 2, characterized in that: The upper end of the vertical screw rod is rotatably mounted on the inner side of the side plate, and the lower end of the vertical screw rod is rotatably mounted on the bottom side of the workbench.

4. The telescopic mechanism for adjusting tool gap according to claim 1, characterized in that: Two cutting grooves are formed on the outer side of the knife roller, and a right-angle cutting edge is formed on one side edge of the cutting groove. When the knife roller rotates counterclockwise, the right-angle cutting edge cuts the paper on the paper feeding roller.

5. The telescopic mechanism capable of adjusting the tool gap according to claim 1, characterized in that: A support frame is fixedly installed on the inner side of the side panel, and a skateboard groove is formed on the inner side of the support frame. A support plate is installed in the gap between the skateboard grooves of the front and rear support frames. Several support edges are integrally formed on the upper side of the support plate, and an inner arc edge is formed on the end of the support edge close to the paper feed roller.

6. The telescopic mechanism capable of adjusting the tool gap according to claim 5, characterized in that: The front and rear ends of the support edge are fixedly installed with positioning blocks, the positioning blocks are formed with bolt holes, and positioning bolts are spirally installed in the bolt holes. The inner ends of the positioning bolts are rotatably installed on the support frame, and the outer ends of the positioning bolts are fixedly installed with adjustment handles.

Citation Information

Patent Citations

  • Rotary die cutting device with adjustable cutting thickness

    CN218226951U