Adjustable flywheel knife

By combining an adjustable wheel cutter holder with a manual wheel cutter, the problems of low precision and adjustable cutting spacing when cutting thin materials with a manual wheel cutter are solved, achieving higher cutting accuracy and adaptability.

CN223904115UActive Publication Date: 2026-02-13TIANJIN NORTH GLASS IND TECHN
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520589720.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-31
Publication Date
2026-02-13
Estimated Expiration
2035-03-31

AI Technical Summary

Technical Problem

Existing manual rotary cutters are prone to deviation when cutting thin materials, resulting in low precision and difficulty in adjusting the cutting spacing and distance.

Method used

An adjustable rotary cutter was designed. By combining an adjustable cutter holder and a manual rotary cutter, and utilizing an L-shaped adjustment plate, bearings, and a base structure, the height of the circular blade and the cutting distance can be adjusted to ensure cutting accuracy.

Benefits of technology

It improves cutting accuracy and adaptability, and can adjust the height of the rotary cutter and the distance from the side as needed to adapt to the straight cutting requirements of different widths.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223904115U_ABST
    Figure CN223904115U_ABST
Patent Text Reader

Abstract

The utility model relates to an adjustable flywheel knife which comprises an adjustable knife rest and a manual flywheel knife, the adjustable knife rest comprises an L-shaped adjusting plate, a horizontal base and a bearing, and a handle of the manual flywheel knife is fixed above a vertical plate of the L-shaped adjusting plate; a transverse plate of the L-shaped adjusting plate is fixed to the horizontal base through the long round through hole, and the bearing is fixed to the side edge of the base. According to the utility model, the movement of the hand-push flywheel knife along the cutting line is changed into the movement along the side edge of the horizontal table board, so that the movement direction cannot be changed due to manual operation, and the accuracy is greatly improved. According to the utility model, the height of the circular blade can be adjusted by fixing the height of the grab handle besides the original mode of adjusting the height of the circular blade; meanwhile, the distance between the circular blade and the side edge of the horizontal table top can be adjusted through the long circular through hole, and cutting of different widths is achieved. The device is simple and practical in structure, can meet the processing requirements of other materials with horizontal hard surfaces in production, and improves the production efficiency and the production quality.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to adjustable wheel cutter, main role is when cutting thin material such as cloth, paper, film etc. on the surface of glass or stone etc. hard platform, ensure the distance of the edge of platform. BACKGROUND

[0002] The cutting of small and thin material generally adopts the ruler to measure the line and then cuts or divides by scissors or blade, and the scissors need the cooperation of hands, and when the two scissors are not matched, the cutting is difficult and the error is very large, and the blade needs to be pressed against the ruler, and for the cutting of thin material, the fastest method can adopt the manual wheel cutter, and the structure is shown in Figures 1-4 , the manual wheel cutter comprises a handle 21 and a circular blade 22, the handle 21 comprises an upper rectangular plate type hand handle 23 and a lower circular hollow protective blade plate 24 which are connected as a whole, the circular hollow protective blade plate 24 is provided with a vertical long circular through hole A27 in the center, the long circular through hole A27 is provided with a bolt 25 which can move up and down and is fixed in the long circular through hole A27, the bolt 25 is provided with a groove 26 on the bolt rod, the circular blade 22 is embedded in the groove 26 and can rotate along the bolt rod, the diameter of the circular hollow protective blade plate is larger than the diameter of the circular blade, when the manual wheel cutter is not used, the peripheral edge of the circular blade does not expose the periphery of the circular hollow protective blade plate, and safety is provided, when the manual wheel cutter is used, the movable bolt is moved downward, the circular blade is lowered, the lowest edge of the blade exposes the lowest part of the circular hollow protective blade plate, the hand handle is held, the manual wheel cutter is pushed, the circular blade rotates, and the thin material on the hard platform is cut along the straight line, the manual wheel cutter is labor-saving and has high cutting efficiency, but since it is manual, even if the straight line is cut along the drawn line, deviation is easy to occur, and the precision is not high. SUMMARY

[0003] In view of the above-mentioned defects, the utility model provides a wheel cutter which can be adjusted, can not only adjust the height of the circular blade, but also adjust the cutting distance, provides convenience for straight line cutting, and the precision is also obviously improved.

[0004] The adjustable wheel cutter comprises an adjustable cutter holder and a manual wheel cutter, the manual wheel cutter comprises a cutter handle and a circular blade, the cutter handle comprises an upper rectangular plate-shaped handle and a lower circular-arc-shaped blade guard plate connected as a whole, the diameter of the circular-arc-shaped blade guard plate is larger than that of the circular blade, the circular-arc-shaped blade guard plate is provided with a vertical oblong through hole A in the center, the oblong through hole A is provided with a bolt capable of moving up and down in the oblong through hole A and being fixed, the bolt rod of the bolt is provided with a groove, the center hole of the circular blade is embedded in the groove, and the circular blade can rotate along the bolt rod; characterized in that the adjustable cutter holder comprises an L-shaped adjusting plate, a horizontal base and a bearing, the base comprises an upper layer and a lower layer, one side of the upper layer is provided with a boss, the boss is provided with a gap in the middle, the lower layer is provided with a plurality of circular-arc-shaped holes along the length direction on the same side, the bearing is fixed in the circular-arc-shaped holes, and the outer peripheral part of the bearing is located outside the circular-arc-shaped holes; the handle is fixed on the vertical plate of the L-shaped adjusting plate; the straight edge of the L-shaped adjusting plate is flush with the side of the boss, the horizontal plate or / and the base is provided with a plurality of oblong through holes B, the length direction of the oblong through holes B is perpendicular to the side, the horizontal plate of the L-shaped adjusting plate is fixed on the upper surface of the base through the bolts passing through the oblong through holes B, and the lower end of the circular-arc-shaped blade guard plate is accommodated in the gap of the boss.

[0005] The adjustable cutter holder further comprises a fixed plate, the handle is fixed by being clamped and fixed by the vertical plate of the L-shaped adjusting plate and the fixed plate, and the vertical plate of the L-shaped adjusting plate and the fixed plate are fixed through a screw.

[0006] The circular blade is towards the side of the fixed plate.

[0007] The upper layer of the base is provided with a fixed hole opposite the center position of the circular-arc-shaped hole, and the bolt passes through the fixed hole and the center of the bearing to fix the bearing in the circular-arc-shaped hole of the lower part of the base.

[0008] The depth of the gap extends from the boss of the side to the middle of the upper layer.

[0009] The oblong through holes B are four, and are located on the horizontal plate and the base respectively, and correspond to each other in up and down.

[0010] The upper layer and the lower layer of the base are of an integral structure.

[0011] The plurality of circular-arc-shaped holes are three circular-arc-shaped holes.

[0012] The utility model discloses an adjustable cutter holder, the side lower layer is equipped with the bearing, and the water platform surface side is pressed against the bearing, can very smooth movement cutter holder, the thin article of cutting is fixed on the water platform surface, and the hand pushes the cutter holder and moves along the water platform surface side, can carry out cutting operation, the utility model discloses the movement of hand pushing the wheel cutter along the line cutting is changed for moving along the water platform surface side, and the moving direction will not change due to artificial operation, and the accuracy has greatly improved. The utility model discloses the height of circular blade can be adjusted in a large range through the fixed handle height in addition to the height of circular blade being adjusted through the original long circular through hole A, and the distance of circular blade from the side of water platform surface can be adjusted through long circular through hole B, and different width cutting is realized.

[0013] The utility model discloses adjustable wheel cutter, not only can adjust wheel cutter height, can also adjust wheel cutter and the distance of side, adapt to different width straight line cutting, and the accuracy has also improved significantly. ACCURACY

[0014] Figure 1 It is the front view of manual wheel cutter in the prior art,

[0015] Figure 2 It is the left view of manual wheel cutter in the prior art,

[0016] Figure 3 It is the back view of manual wheel cutter in the prior art,

[0017] Figure 4 It is the bolt component diagram of manual wheel cutter part in the prior art,

[0018] Figure 5 It is the three-dimensional view I of the utility model,

[0019] Figure 6 It is the three-dimensional view II of the utility model,

[0020] Figure 7 It is the three-dimensional view III of the utility model,

[0021] Figure 8 It is the three-dimensional view of base of the utility model,

[0022] Figure 9 It is the front view of base of the utility model,

[0023] Figure 10 It is the plan view of base of the utility model,

[0024] Figure 11 It is the bottom view of base of the utility model,

[0025] The numbers in the figures are listed as follows: 1-adjustable tool holder, 11-L-shaped adjusting plate, 12-base, 13-bearing, 14-fixing plate, 15-elongated circular through hole B, 16- boss, 17-notch, 18-circular notch, 19-fixing hole, 2-hand wheel cutter, 21-cutter handle, 22-hand grip, 23-cutter guard, 24-circular blade, 25-bolt, 26-groove, 27-elongated circular through hole A, DETAILED DESCRIPTION

[0026] The utility model will be made further detailed description in combination with the drawings.

[0027] As Figure 5 shown, the adjustable wheel cutter of the utility model comprises an adjustable tool holder 1 and a hand wheel cutter 2;

[0028] As Figures 1-4 shown, the hand wheel cutter comprises a cutter handle 21 and a circular blade 24, the cutter handle 21 comprises an upper rectangular plate type hand grip 22 and a lower circular notch type cutter guard 23 connected as a whole, the diameter of the circular notch type cutter guard 23 is greater than the diameter of the circular blade 24, the circular notch type cutter guard 23 is centrally provided with an elongated circular through hole A 27 in the vertical direction, the elongated circular through hole A 27 is provided with a bolt 25 capable of moving up and down in the elongated circular through hole A 27 and being fixed, the bolt rod of the bolt 25 is provided with a groove 26, the central circular hole of the circular blade 24 is embedded in the groove 26, and the circular blade 24 can rotate along the bolt rod;

[0029] As Figures 6-11As shown, the adjustable tool holder 1 comprises an L-shaped adjusting plate 11, a horizontal base 12, a bearing 13 and a fixed plate 14, the base 12 comprises an upper layer and a lower layer, one side of the upper layer has a boss 16 with a notch 17 in the middle, the lower layer side along the length direction of the boss 16 is provided with three circular holes 18 side by side, the base is provided with a fixed hole 19 opposite to the center of the circular hole 18, a bolt passes through the fixed hole 19 and the center of the bearing 13 to fix the bearing 13 in the circular hole 18 of the lower layer of the base 12, and the outer peripheral part of the bearing 13 is located outside the circular hole 18, the hand grip 22 is clamped and fixed by the vertical plate of the L-shaped adjusting plate 11 and the fixed plate 14, and the vertical plate of the L-shaped adjusting plate 11 and the fixed plate 14 are fixed by a screw, the height of the hand wheel cutter 2 can be adjusted not only by the long circular through hole A27 but also by clamping and fixing the height, the right angle edge of the L-shaped adjusting plate 11 is flush with the side edge of the boss, and the horizontal plate of the L-shaped adjusting plate 11 and the upper layer of the base 12 are each provided with two long circular through holes B15 corresponding to each other, the length direction of the long circular through hole B15 is perpendicular to the side edge, the horizontal plate of the L-shaped adjusting plate 11 is fixed on the upper surface of the base 12 by a bolt passing through the long circular through hole B15, the lower end of the circular notch-shaped guard plate 23 is contained in the notch 17 of the boss 16, the depth of the notch 17 can be determined according to the cutting distance and the thickness of the guard plate 23, and can be deepened to the middle of the upper layer of the base 12, the distance between the hand wheel cutter and the lower layer of the side edge in the horizontal direction can be adjusted through the long circular through hole B15, there can be two long circular through holes B, which are only arranged on the horizontal plate or on the base, or an even number of long circular through holes B are arranged, and the long circular through holes B are located on the horizontal plate and the base respectively and correspond to each other, and the upper layer and the lower layer of the base are preferably integrated.

[0030] The adjustable tool holder can move the tool holder very smoothly by abutting the bearing against the side edge of the water platform surface, and cut thin objects on the water platform surface.

[0031] The adjustable wheel cutter can not only adjust the height of the wheel cutter but also adjust the distance between the wheel cutter and the side edge, adapt to straight cutting of different widths, and significantly improve the accuracy. The adjustable wheel cutter has simple and practical structure, can meet the processing requirements of other materials on the horizontal hard surface in production, and improves the production efficiency and production quality.

Claims

1. An adjustable rotary cutter, comprising an adjustable cutter holder and a manual rotary cutter, wherein the manual rotary cutter comprises a handle and a circular blade, the handle comprising an upper rectangular plate-type grip and a lower segmental blade guard plate integrally connected, the diameter of the segmental blade guard plate being larger than the diameter of the circular blade, the segmental blade guard plate having a vertically oriented elongated through hole A in the center, a bolt capable of moving up and down and being fixed within the elongated through hole A, a groove on the bolt shank, the central circular hole of the circular blade being embedded in the groove, and the circular blade being capable of rotating along the bolt shank; characterized in that: The adjustable tool holder comprises an L-shaped adjusting plate, a horizontal base and bearings, the base comprises an upper layer and a lower layer, one side of the upper layer has a protrusion with a gap in the middle, the same side of the lower layer has a plurality of round holes along the length direction, bearings are fixed in the round holes, and the outer periphery of the bearings is outside the round holes; the handle is fixed above the vertical plate of the L-shaped adjusting plate; the straight edge of the L-shaped adjusting plate is flush with the side of the protrusion, the horizontal plate and / or the base has a plurality of long circular through holes B, the length direction of the long circular through holes B is perpendicular to the side, the horizontal plate of the L-shaped adjusting plate is fixed on the upper surface of the base through bolts passing through the long circular through holes B, and the lower end of the round-arc-shaped guard plate is accommodated in the gap of the protrusion.

2. The adjustable wheel cutter of claim 1, wherein: The adjustable tool holder further comprises a fixed plate, the handle is fixed by the vertical plate of the L-shaped adjusting plate and the fixed plate, and the vertical plate of the L-shaped adjusting plate and the fixed plate are fixed through screws.

3. The adjustable wheel cutter of claim 2, wherein: The circular blade is towards the fixed plate.

4. The adjustable wheel cutter of claim 1, wherein: The upper layer of the base is provided with a fixed hole at the position opposite to the center of the round hole, a bolt passes through the fixed hole and the center of the bearing, and the bearing is fixed in the round hole of the lower part of the base.

5. The adjustable wheel cutter of claim 1, wherein: The depth of the gap extends from the protrusion of the side to the middle of the upper layer.

6. The adjustable wheel cutter of claim 1, wherein: The long circular through holes B are four, two on the horizontal plate and two on the base, and the upper and lower positions correspond.

7. The adjustable wheel cutter of claim 1, wherein: The plurality of round holes are three round holes.