Engraving line cutter for EVA (Ethylene Vinyl Acetate) plate
By designing a carving and engraving knife for EVA boards, using skateboards and engraving devices, the problems of inconvenient operation and low accuracy when cutting EVA boards are solved, and precisely depicting isometric straight lines and arc lines is achieved, improving user experience and Material utilization.
Patent Information
- Application Number
- CN202420587424.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-25
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-03-25
AI Technical Summary
In the prior art, it is difficult to control the thickness and depth of the V-shaped groove when cutting EVA sheets with ordinary utility knives, and it is inconvenient to operate, especially for novices to shift, resulting in waste of materials.
A carving and engraving knife for EVA board is designed, using a base plate, a slider, a slider, a connecting rod and an engraving device. The portrayal of equidistant straight and arc lines is achieved through the grip and limit block, simplifying the operation.
It is easy to operate and can accurately carve out equidistant vertical straight lines and arc lines, reducing material waste, and improving user experience and usage efficiency.
Smart Images

Figure CN222135128U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical devices, in particular to an engraving and scoring knife for EVA plates. Background Art
[0002] It is known that various products made of EVA material have the characteristics of anti-slip, strong pressure resistance, softness, and beauty. It can be made into various supplies, such as sports supplies, toys, cushions, etc.
[0003] Nowadays, the tool for cutting a perfect V-shaped cross-section groove on soft boards such as EVA must use an ordinary utility knife or other tools, and it takes two passes back and forth to cut the V-shaped groove. However, the thickness and depth of the V-shaped groove are uncontrollable, and the verticality during cutting is not easy to operate for some novices. Originally, they wanted to carve a straight line, but it was very easy to deviate due to hand shaking halfway, resulting in a whole piece of EVA board being wasted. In order to facilitate users to use, improve user experience, and save costs at the same time, this scheme proposes a carving and engraving knife for EVA boards. Utility Model Content
[0004] The utility model aims to solve the disadvantage of the prior art that the tool is not easy to operate, and proposes a carving and scoring knife for an EVA plate.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A carving line cutting knife for EVA plates comprises a bottom plate, two sides of the top of the bottom plate are symmetrically fixedly connected with slide plates, the top of the slide plates is slidably connected with a slider, the top of the slider is provided with an arc groove, the slider is clamped and connected with a connecting rod, a side of the connecting rod is provided with a carving line device, the carving line cutting device comprises a handle, the bottom end of the handle is fixedly connected with a connecting column, the outer side of the connecting column is rotatably connected with a connecting ring, the outer side of the connecting ring is provided with a clamping groove, the bottom end of the connecting column is fixedly connected with a limiting block, the bottom of the limiting block is fixedly connected with a fixed block, and the bottom of the fixed block is rotatably connected with a carving knife.
[0007] Preferably, a circular groove is formed at the top of the slide plate in the slide groove, and a fixing mechanism is provided at the top of the slide plate.
[0008] Preferably, the fixing mechanism includes a stabilizing block, the top of the stabilizing block is fixedly connected to a connecting column, the top of the connecting column is fixedly connected to a pressing cap, a connecting rope is provided on the outside of the stabilizing block, and one end of the connecting rope is fixedly connected to a locking block.
[0009] Preferably, circular holes are symmetrically opened on the side of the limit block, the diameter of the circular holes is the same as the diameter of the connecting rod, and the limit block and the engraving device are movably penetrated.
[0010] Preferably, the diameter of the engaging block is the same as the diameter of the engaging groove on the side of the connecting ring, and the engaging block is engaged and connected with one side of the connecting ring.
[0011] Preferably, the bottom of the stabilizing block is snap-connected to the sliding plate.
[0012] The utility model has the following beneficial effects:
[0013] Place the EVA sheet to be cut on the base plate, then take out different carving knives and install them on the fixed block. When one or more equidistant straight lines need to be cut, pass the connecting rod through the limit block, and then clamp the two ends of the connecting rod on the slider respectively, and then place the slider on the skateboard, and then directly move it horizontally by holding the handle to carve out equidistant vertical long straight lines. When an arc needs to be carved out, first fix the stabilizing block to a fixed point on the skateboard, and then loosen the connecting rope by turning the pressing cap, and then clamp the locking block on the connecting ring. At this time, fix the pressing cap with one hand, and operate the handle with the other hand to straighten the connecting rope, so that a perfect arc line can be quickly carved, thereby achieving an easy-to-operate effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of a top view of a carving line cutting knife for EVA plates proposed by the utility model;
[0015] Figure 2 This is a structural schematic diagram of a fixing mechanism for an engraving and scoring knife for an EVA sheet material proposed by the utility model;
[0016] Figure 3 This is a structural schematic diagram of a carving line engraving device for an EVA plate proposed by the utility model;
[0017] Figure 4 The utility model is a structural schematic diagram of a carving line engraving device for an EVA plate.
[0018] In the figure: 1. bottom plate; 2. slide plate; 3. slider; 4. connecting rod; 5. engraving device; 501. handle; 502. connecting column; 503. connecting ring; 504. limit block; 505. fixing block; 506. engraving knife; 6. fixing mechanism; 601. stabilizing block; 602. connecting column; 603. pressing cap; 604. connecting rope; 605. locking block. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0020] Reference Figure 1-4 A carving line cutting knife for EVA plate comprises a bottom plate 1, a slide plate 2 is symmetrically fixedly connected to the top of the bottom plate 1 on both sides, a slider 3 is slidably connected to the top of the slide plate 2, an arc groove is provided on the top of the slider 3, a connecting rod 4 is clamped and connected to the slider 3, and a carving device 5 is arranged on the side of the connecting rod 4, and the carving device 5 comprises a grip 501, a connecting column 502 is fixedly connected to the bottom end of the grip 501, a connecting ring 503 is rotatably connected to the outer side of the connecting column 502, a card groove is provided on the outer side of the connecting ring 503, a limiting block 504 is fixedly connected to the bottom of the limiting block 504, a fixed block 505 is fixedly connected to the bottom of the fixed block 505, a carving knife 506 is rotatably connected to the bottom of the fixed block 505, and a circular groove is provided in the top of the slide plate 2 in the slide groove. shaped groove, a fixing mechanism 6 is provided on the top of the slide plate 2, and the fixing mechanism 6 includes a stabilizing block 601, a connecting column 602 is fixedly connected to the top of the connecting column 602, a pressing cap 603 is fixedly connected to the top of the connecting column 602, a connecting rope 604 is provided on the outside of the stabilizing block 601, one end of the connecting rope 604 is fixedly connected to a locking block 605, circular holes are symmetrically provided on the side of the limit block 504, the diameter of the circular holes is the same as the diameter of the connecting rod 4, the limit block 504 and the engraving device 5 are movably penetrated, the diameter of the locking block 605 is the same as the diameter of the locking groove on the side of the connecting ring 503, the locking block 605 is locked and connected to one side of the connecting ring 503, and the bottom of the stabilizing block 601 is locked and connected to the slide plate 2, so as to achieve the effect of easy operation.
[0021] The use method and advantages of the utility model: When the engraving line cutting knife for EVA plate is used, the working process is as follows:
[0022] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, when using the engraving line cutting knife for EVA plates, first place the EVA plate to be cut on the bottom plate 1, then take out different engraving knives 506 and install them on the fixed block 505. When it is necessary to cut one or more equidistant straight lines, the connecting rod 4 is passed through the limit block 504, and then the two ends of the connecting rod 4 are respectively clamped on the slider 3, and then the slider 3 is placed on the slide plate 2, and then the handle 501 is directly moved horizontally by hand, so that equidistant vertical long straight lines can be engraved. When it is necessary to engrave an arc, the stabilizing block 601 is first fixed to a fixed point on the slide plate 2, and then the connecting rope 604 is loosened by rotating the pressing cap 603, and then the clamping block 605 is clamped on the connecting ring 503. At this time, one hand fixes the pressing cap 603, and the other hand operates the handle 501 and then straightens the connecting rope 604, so that a perfect arc line can be quickly engraved, thereby achieving an effect of easy operation.
[0023] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A carving line cutter for EVA sheet material, comprising a base plate (1), characterized in that: The top two sides of the bottom plate (1) are symmetrically fixedly connected with a slide plate (2), the top of the slide plate (2) is slidably connected with a slider (3), the top of the slider (3) is provided with an arc groove, the slider (3) is snap-connected with a connecting rod (4), the side of the connecting rod (4) is provided with a marking device (5), the marking device (5) comprises a handle (501), the bottom end of the handle (501) is fixedly connected with a connecting column (502), the outer side of the connecting column (502) is rotatably connected with a connecting ring (503), the outer side of the connecting ring (503) is provided with a slot, the bottom end of the connecting column (502) is fixedly connected with a limiting block (504), the bottom of the limiting block (504) is fixedly connected with a fixing block (505), and the bottom of the fixing block (505) is rotatably connected with a carving knife (506).
2. The engraving line cutter for EVA sheet according to claim 1, characterized in that: The top of the slide plate (2) is located in the slide groove and is provided with a circular groove. The top of the slide plate (2) is provided with a fixing mechanism (6).
3. The engraving line cutter for EVA sheet according to claim 2, characterized in that: The fixing mechanism (6) comprises a stabilizing block (601), the top of the stabilizing block (601) is fixedly connected to a connecting column (602), the top of the connecting column (602) is fixedly connected to a pressing cap (603), a connecting rope (604) is arranged on the outside of the stabilizing block (601), and one end of the connecting rope (604) is fixedly connected to a locking block (605).
4. The engraving line cutter for EVA sheet according to claim 1, characterized in that: A circular hole is symmetrically provided on the side of the limit block (504), the diameter of the circular hole is the same as the diameter of the connecting rod (4), and the limit block (504) and the marking device (5) are movably interpenetrating.
5. The engraving and scoring knife for EVA sheet according to claim 3, characterized in that: The diameter of the locking block (605) is the same as the diameter of the locking groove on the side of the connecting ring (503), and the locking block (605) is locked and connected with one side of the connecting ring (503).
6. The engraving line cutter for EVA sheet according to claim 3, characterized in that: The bottom of the stabilizing block (601) is snap-connected with the slide plate (2).
