Cutting device self-adaptive to material thickness

By using an adaptive material thickness cutting device and adjusting the cutting blade height with an elastic element, the problem of inconsistent cutting depth for materials of different thicknesses is solved, thus improving cutting accuracy and consistency.

CN224027825UActive Publication Date: 2026-03-24ZHENGZHOU YUSHENG HARDWARE MASCH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-28
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing cutting equipment cannot guarantee consistent cutting depth for materials of different thicknesses, affecting grooving or cutting accuracy.

Method used

Design an adaptive material thickness cutting device, employing a cutting mechanism and a self-adjusting mechanism, and using an elastic element to automatically adjust the cutting blade height to adapt to changes in material thickness.

Benefits of technology

It achieves consistent cutting depth, improves cutting accuracy, and reduces the requirements for the flatness of the base plate.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a cutting device capable of automatically adapting to the thickness of a material, and aims to solve the technical problem of inconsistent cutting depth. The self-adjusting cutter comprises a cutter mechanism and a self-adjusting mechanism, the cutter mechanism comprises a shell, a cutter body and a back plate, the cutter body and the back plate are installed on the shell, and the shell is connected to the back plate. An elastic piece is connected between the cutter mechanism and the self-adjusting mechanism so that the height of a cutter body of the cutter mechanism relative to the self-adjusting mechanism can be automatically adjusted according to the thickness of materials when the materials pass through the lower portion of the cutter mechanism. The cutting device has the advantages that the consistency of the cutting depths of materials with different thicknesses can be kept, and the stability is good.
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Description

TECHNICAL FIELD

[0001] The utility model relates to material cutting device technical field, concretely relates to a cutting device of self -adaptation material thickness. BACKGROUND

[0002] The slotting or cutting of the material such as board usually uses cutting knife to complete. The cutting knife can be used with rack, the rack has crossbeam and bottom plate, the cutting knife is installed on the crossbeam, the knife tip is downward, and the material can be slotted or cut off by the cutting knife when passing through the bottom plate. However, since the material thickness is different, the cutting depth of thick material is deep, and the cutting depth of thin material is shallow, which cannot guarantee consistency and affects the precision of slotting or cutting. SUMMARY

[0003] The utility model provides a cutting device of self -adaptation material thickness to solve the technical problem of inconsistent cutting depth.

[0004] To solve the above -mentioned technical problem, the utility model adopts the following technical scheme:

[0005] Design a cutting device of self -adaptation material thickness, including cutting knife mechanism and self -adjusting mechanism, the cutting knife mechanism includes the casing, installs the cutter body and backplate of casing, the casing is connected on the backplate, and the elastic piece is connected between the cutting knife mechanism and the self -adjusting mechanism to make the cutter body of the cutting knife mechanism automatically adjust the height relative to the self -adjusting mechanism when the material passes below the cutting knife mechanism according to the thickness of the material.

[0006] Further, the self -adjusting mechanism includes mounting plate, and the mounting plate and the backplate are movably connected.

[0007] Further, the mounting plate and the backplate are connected with rotary connecting piece, the rotary connecting piece includes the first rotation axis arranged on the mounting plate and the second rotation axis arranged on the backplate, and the rotary connecting piece is connected with the rotary connecting piece between the first rotation axis and the second rotation axis, and the rotary connecting piece can rotate around the first rotation axis to drive the cutting knife mechanism to move up and down.

[0008] Further, the mounting plate is provided with vertical guide hole, and the rotary connecting piece is arranged in the guide hole.

[0009] Further, the rear side of the backplate is provided with vertical plate, the vertical plate has inclined slot, the elastic piece is first spring, the first spring is arranged in the inclined slot, one end of the first spring and the mounting plate abut, and the other end and the bottom surface of the inclined slot abut.

[0010] Further, the backplate and the casing are slidably connected, and the clamping block for limiting the casing is installed on the backplate.

[0011] Further, the card block is movably connected to the back plate, and a second spring is connected to the back of the card block, and the end of the second spring abuts against the mounting plate.

[0012] Further, a pressing plate is connected to the back of the card block, the pressing plate is provided with a third rotating shaft connected to the back plate, and pressing the pressing plate can drive the card block to move inward.

[0013] Further, the back plate is provided with a vertical first sliding groove, the shell is slidably connected to the first sliding groove, the bottom of the back plate is provided with a limiting block, the automatic adjusting mechanism comprises a fixing member, the elastic member is arranged below the fixing member, the end of the elastic member abuts against the shell, and the fixing member is connected to the upper portion of the back plate.

[0014] Further, the fixing member is in the form of a flat plate and is arranged perpendicularly to the back plate, and the fixing member can be bent forward from the back plate.

[0015] Compared with the prior art, the beneficial technical effects of the utility model are that:

[0016] 1. The utility model can realize the fine adjustment of the height of the cutting knife by the elastic member, can automatically adapt to the thickness of the material, ensures the consistency of the cutting depth, and is higher in precision.

[0017] 2. The utility model can reduce the requirement for the precision of the bottom plate, so that the flatness of the bottom plate does not affect the cutting depth of the material. DRAWINGS

[0018] Figure 1 It is a structural schematic view of the utility model embodiment 1.

[0019] Figure 2 It is a front view schematic view of the utility model embodiment 1.

[0020] Figure 3 It is an exploded schematic view of the utility model embodiment 1.

[0021] Figure 4 It is a back side schematic view of the back plate of the utility model embodiment 1.

[0022] Figure 5 It is a structural schematic view of the utility model embodiment 2.

[0023] Figure 6 It is a structural schematic view of the utility model embodiment 3.

[0024] Figure 7 It is a structural schematic view of the utility model embodiment 4.

[0025] In the figure, the shell 1, the first sliding groove 11, the cutter body 2, the back plate 3, the first sliding way 31, the clamping block 32, the pressing plate 33, the third rotating shaft 34, the second rotating shaft 35, the vertical plate 36, the first spring 37, the mounting plate 4, the first rotating shaft 41, the rotating rod 42, the guide hole 43, the screw hole 44, the fixing part 5, the screw 51, the second spring 52, the second sliding way 6. DETAILED DESCRIPTION

[0026] The specific embodiments of the present application will be described below in conjunction with the accompanying drawings and examples, but the following examples are only used to illustrate the present application in detail, and do not limit the scope of the present application in any way.

[0027] Example 1: A cutting device that automatically adjusts to the thickness of the material, referring to Figures 1 to 4 , comprising a cutter mechanism and a self-adjusting mechanism, and an elastic member is connected between the cutter mechanism and the self-adjusting mechanism to automatically adjust the height of the cutter mechanism when the material passes below the cutter mechanism according to the thickness of the material. Wherein, the cutter mechanism comprises a shell 1, a cutter body 2 mounted on the shell 1 and a back plate 3, the cutter body 2 is located at the bottom of the shell 1 and extends out of the shell 1, and the shell 1 is connected to the back plate 3. A vertical first sliding way 31 is provided on both sides of the back plate 3, and a first sliding groove 11 matching the first sliding way 31 is provided on the rear side of the shell 1, so that the back plate 3 and the shell 1 can be vertically slid. A clamping block 32 is mounted on the back plate 3 for limiting the shell 1, the clamping block 32 is movably inserted into the back plate 3, a second spring is connected to the rear of the clamping block 32, and the end of the second spring abuts against a mounting plate 4. The rear of the clamping block 32 is connected to a pressing plate 33, the pressing plate 33 is provided with a third rotating shaft 34 connected to the back plate 3, and pressing the pressing plate 33 inward can drive the clamping block 32 to move inward to facilitate the removal of the shell 1 for replacement or maintenance. A limiting stopper is further provided at the bottom of the back plate 3 to prevent the shell 1 from coming out of the first sliding way 31.

[0028] The self-adjusting mechanism comprises a mounting plate 4, and the mounting plate 4 and the back plate 3 are movably connected. A rotating connecting member is connected between the mounting plate 4 and the back plate 3, the rotating connecting member comprises a first rotating shaft 41 provided on the mounting plate 4 and a second rotating shaft 35 provided on the back plate 3, and a rotating rod 42 is connected between the first rotating shaft 41 and the second rotating shaft 35, the rotating rod 42 can rotate around the first rotating shaft 41 to drive the back plate 3 to move up and down, thereby adjusting the height of the cutter body 2. A vertical guide hole 43 is provided on the mounting plate 4, and the rotating rod 42 is arranged in the guide hole 43.

[0029] A vertical plate 36 is provided at the middle of the rear side of the back plate 3, the vertical plate 36 has an inclined groove 361, a first spring 37 is arranged in the inclined groove 361 as an elastic member, the top end of the first spring 37 abuts against the mounting plate 4, and the bottom end abuts against the bottom surface of the inclined groove 361.

[0030] In use, the mounting plate 4 is mounted on the crossbeam of the rack through the screw hole 44, the shell 1 with the cutter body 2 is mounted on the back plate 3 through the first slide 31, and the shell 1 is positioned on the back plate 3 through the stopper at the bottom of the back plate 3 and the clamping block 32 at the middle part, and the material is slotted or cut by the cutter body 2 when passing below the shell 1, and the back plate 3 and the shell 1 and the cutter body 2 are automatically adjusted in height under the action of the first spring 37 to keep the cutting depth consistent according to the thickness of the material.

[0031] Embodiment 2: refer to Figure 5 , and the difference from embodiment 1 is that the clamping block 32 is removed, and the automatic adjusting mechanism in this embodiment includes a fixing piece 5 which is slidingly connected on the first slide 31 and fixed by the screw 51, and the second spring 52 is arranged below the fixing piece 5 and the end of the second spring 52 abuts on the shell 1. In use, the shell 1 is mounted on the first slide 31, and the shell 1 can move up and down along the first slide 31 due to the removal of the clamping block 32, and the shell 1 and the cutter body 2 are automatically adjusted in height on the back plate 3 under the action of the second spring 52 to keep the cutting depth of the material of different thicknesses consistent when the material passes below the shell 1.

[0032] Embodiment 3: refer to Figure 6 , and the difference from embodiment 2 is that the upper part of the back plate 3 is provided with a transverse second slide 6 which is located above the first slide 31 and at the rear side to facilitate the mounting of the shell 1 to the first slide, and the fixing piece 5 is mounted on the second slide 6 and fixedly connected by the screw 51, and the screw 51 is located at the four corners of the fixing piece 5 in this embodiment, which is more stable.

[0033] Embodiment 4: refer to Figure 7 , and the difference from embodiment 2 is that the fixing piece 5 is flat and vertically arranged with the back plate, and the fixing piece 5 is formed by bending the back plate 3 forward, and four second springs 52 are connected to the four corners of the shell 1 below the fixing piece 5. In some other embodiments, the back plate 3 does not necessarily locate at the rear side of the shell 1, but can be arranged at the middle part or both sides of the shell 1 to play a guiding role, and the back plate 3 can also be arranged as a guide column structure, and the fixing plate 5 is fixed on the top of the back plate 3.

[0034] The utility model has been described in detail above in combination with the drawings and embodiments, but those skilled in the art can understand that various specific parameters in the above embodiments can be changed without departing from the purpose of the utility model, forming multiple specific embodiments, all of which are within the common variation range of the utility model, and will not be described one by one in detail.

Claims

1. A self-adapting material thickness cutting device, characterized by: The cutting knife mechanism comprises a housing, a knife body mounted on the housing and a back plate, the housing is connected to the back plate, and an elastic member is connected between the cutting knife mechanism and the self-adjusting mechanism to automatically adjust the height of the knife body of the cutting knife mechanism relative to the self-adjusting mechanism when the cutting knife mechanism passes through the material below.

2. The self-adapting material thickness cutting device of claim 1, wherein: The self-adjusting mechanism comprises a mounting plate, and the mounting plate and the back plate are movably connected.

3. The self-adapting material thickness cutting device of claim 2, wherein: A rotating connecting member is connected between the mounting plate and the back plate, the rotating connecting member comprises a first rotating shaft arranged on the mounting plate and a second rotating shaft arranged on the back plate, a rotating rod is connected between the first rotating shaft and the second rotating shaft, and the rotating rod can rotate around the first rotating shaft to drive the cutting knife mechanism to move up and down.

4. The self-adapting material thickness cutting device of claim 3, wherein: The mounting plate is provided with a vertical guide hole, and the rotating rod is arranged in the guide hole.

5. The self-adapting material thickness cutting device of claim 2, wherein: The back plate is provided with a vertical plate on the rear side, the vertical plate has an inclined groove, the elastic member is a first spring, the first spring is arranged in the inclined groove, one end of the first spring abuts against the mounting plate, and the other end abuts against the bottom surface of the inclined groove.

6. The self-adapting material thickness cutting device of claim 2, wherein: The back plate and the housing are slidably connected, and a clamping block is mounted on the back plate to limit the housing.

7. The self-adapting material thickness cutting device of claim 6, wherein: The clamping block is movably connected to the back plate, a second spring is connected to the rear of the clamping block, and the end of the second spring abuts against the mounting plate.

8. The self-adapting material thickness cutting device of claim 6, wherein: The rear of the clamping block is connected to a pressing plate, the pressing plate is provided with a third rotating shaft connected to the back plate, and pressing the pressing plate can drive the clamping block to move inward.

9. The adaptive material thickness cutting device of claim 1, wherein: The back plate is provided with a vertical first sliding groove, the housing is slidably connected to the first sliding groove, the bottom of the back plate is provided with a limiting stopper, the self-adjusting mechanism comprises a fixing member, the elastic member is arranged below the fixing member, the end of the elastic member abuts against the housing, and the fixing member is connected to the upper part of the back plate.

10. The self-adapting material thickness cutting device of claim 9, wherein: The fixing member is in the form of a flat plate, and the fixing member and the back plate are arranged vertically.