Four-blade V-shaped carving cutter for slotting paperboard prop

By using a limiting block and fastening bolt connection in a four-blade V-shaped engraving tool with slots in cardboard props, combined with an adjustable lead screw and protective sleeve, the problem of insufficient tool stability is solved, achieving stable tool installation and blade protection, and extending service life.

CN223778097UActive Publication Date: 2026-01-09SHANGHAI BAILIANAI ADVERTISING CO LTD
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Patent Information

Application Number
CN202520118511.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-19
Publication Date
2026-01-09
Estimated Expiration
2035-01-19

AI Technical Summary

Technical Problem

Existing cardboard tooling grooving tools are not very stable during the engraving process and are easily damaged.

Method used

The tool uses a four-bladed V-shaped engraving tool. Limiting blocks are fixed at the four corners of the base, and the blade is connected to the base with fastening bolts. Combined with an adjustable lead screw and protective sleeve, the blade is stably installed and protected.

Benefits of technology

It improves the stability of the cutting tool, extends its service life, and protects the blade with a protective sleeve to prevent deformation and damage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of carving tools, and particularly discloses a four-edge V-shaped carving tool for slotting paperboard props, which comprises a base and blades, the blades are respectively arranged at the front, back, left and right positions of the top of the base, welding rods are welded between the blades and the base, and limiting blocks are respectively fixed at four corners of the top of the base. Third screw holes are formed in the limiting blocks, and second screw holes are formed in the bottoms of the two sides of the blade correspondingly. According to the four-blade V-shaped carving cutter for slotting the paperboard prop, limiting blocks are fixed to the four corners of the top of the base correspondingly, the four sets of blades on the top of the base are installed through welding of welding rods, the limiting blocks at the four corners can prevent the adjacent blades from being separated, then the limiting blocks are aligned to third screw holes and second screw holes, fastening bolts are screwed into the third screw holes and the second screw holes, and therefore the carving cutter can be used for carving the paperboard prop. And the blade and the base are reinforced from the periphery of the blade, so that the blade is not easy to crack and separate even if the blade is in contact with a paperboard tool, and the problem of poor stability of the cutter is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of engraving tool, concretely to a paperboard prop grooving four -blade V type engraving tool. BACKGROUND

[0002] The tip shape of the engraving tool is different, can be forged by steel, can be inlaid with diamond and other materials to cut, the rear is provided with a rod body or an assembly component to connect a mechanical arm or a motor shaft, and the tool can also be manually held and used to engrave different objects.

[0003] The paperboard prop needs to be grooved in advance to facilitate assembly, and then connected with the prop or assembled and processed, and the previously drawn engraving line is installed for cutting, but the previous tool is usually fixed by welding, lacks auxiliary structure, and the tool is easily damaged during engraving.

[0004] Now, a new type of four-blade V-shaped engraving tool for paperboard prop grooving is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a four-blade V-shaped engraving tool for paperboard prop grooving to solve the problem of poor stability of the tool in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a four-blade V-shaped engraving tool for paperboard prop grooving, comprising a base and a blade, the front, back, left and right of the top of the base are respectively provided with a blade, and a welding rod is welded between the blade and the base, the four corners of the top of the base are respectively fixed with a limiting block, and a screw hole three is arranged in the inside of the limiting block, screw holes two are respectively arranged on the bottom of the two sides of the blade, and a fastening bolt is threadedly assembled between the screw hole three and the screw hole two.

[0007] As a further technical scheme of the utility model, the limiting block is attached between the adjacent blades, and the fastening bolt, the screw hole two and the screw hole three are arranged in concentric circles.

[0008] As a further technical scheme of the utility model, the bottom of the base is fixed with a sleeve, a receiving groove is longitudinally arranged in the inside of the sleeve, a handle is movably connected to the bottom of the sleeve, a lead screw is movably connected between the receiving groove and the handle, a fixed sheet is installed at the bottom of the lead screw, assembly holes are respectively arranged in the inside of the two sides of the fixed sheet, a sleeve block is welded to the lower right corner of the outside of the sleeve, a plug rod is inserted into the sleeve block, screw holes one are arranged between the upper and lower surfaces of the front surface of the plug rod, and a positioning bolt is assembled in the hole at the front end of the sleeve block.

[0009] As a further technical scheme of the utility model, the rear end of the positioning bolt can be embedded in the screw hole one, and the inside of the handle is provided with the matching thread of the screw rod.

[0010] As a further technical scheme of the utility model, the top of the blade and the base is clamped with a protective sleeve, and the top of the inside of the protective sleeve is fixed with a magnetic strip, the top of the inside of the protective sleeve is fixed with four clamping blocks, and the inside of the protective sleeve is provided with a clamping groove.

[0011] As a further technical scheme of the utility model, the magnetic strip is attached above the metal blade, and the clamping block is embedded in the top of the adjacent blade.

[0012] Compared with the prior art, the utility model has the beneficial effects that the four-blade V-shaped engraving tool for paperboard prop slotting not only realizes the stability of each blade, the length adjustment of the connecting structure, and the protection of the engraving bit.

[0013] (1) By fixing the limiting block at the four corners of the top of the base, the four blades on the top of the base are installed by welding with the welding rod, and the limiting blocks at the four corners can prevent the adjacent blades from separating, and then aligning the screw hole three and the screw hole two and rotating the fastening bolt, the structure of the blade is stabilized, and the service life is prolonged.

[0014] (2) The screw rod is movably connected between the storage groove and the handle, the handle is rotated, the screw rod in the sleeve is vertically pushed out or retracted into the sleeve by the thread groove in the inside of the handle and the screw rod, the positioning bolt in the screw hole one locks the inserting rod, the distance between the sleeve and the screw rod is adjusted by the fixing piece, and the tool is convenient for processing the paperboard prop.

[0015] (3) The protective sleeve is clamped at the top between the blade and the base, the top of the blade is cross-shaped, the clamping block in the protective sleeve is clamped, if the tool is used, the protective sleeve is reconnected on the blade, the magnetic strip inside the protective sleeve can be attracted to the metal blade, the sharp blade is protected, and the clamping block can also prevent the deformation of the blade. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a front view of the structure of the utility model;

[0017] Figure 2 It is a blade top view structure schematic diagram of the utility model;

[0018] Figure 3 It is a front view of the structure of the utility model;

[0019] Figure 4 It is a front view sectional structure diagram of the protective sleeve of the utility model.

[0020] In the figure: 1, base; 2, blade; 3, welding rod; 4, protective sleeve; 5, clamping block; 6, magnetic attraction strip; 7, limiting block; 8, fastening bolt; 9, sleeve; 10, insertion rod; 11, sleeve block; 12, positioning bolt; 13, screw hole one; 14, fixed sheet; 15, screw rod; 16, assembly hole; 17, handle; 18, storage groove; 19, screw hole two; 20, screw hole three; 21, clamping groove. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figures 1-4 The utility model provides an embodiment: a four-blade V-shaped engraving tool for paperboard prop slotting, which comprises a base 1 and a blade 2. The front, back, left and right parts of the top of the base 1 are respectively provided with the blade 2, and welding rods 3 are welded between the blade 2 and the base 1. The four corners of the top of the base 1 are respectively fixed with limiting blocks 7, and the limiting blocks 7 are provided with screw holes three 20 inside. The bottoms of the two sides of the blade 2 are respectively provided with screw holes two 19. The fastening bolts 8 are threadedly assembled between the screw holes three 20 and the screw holes two 19.

[0023] The limiting blocks 7 are attached between the adjacent blades 2, and the fastening bolts 8, the screw holes two 19 and the screw holes three 20 are arranged in concentric circles.

[0024] Specifically, as shown in Figure 1 and Figure 2 The four groups of blades 2 on the top of the base 1 are installed through the welding of the welding rods 3. The limiting blocks 7 at the four corners can prevent the adjacent blades 2 from separating. Then, the screw holes three 20 and the screw holes two 19 are aligned and the fastening bolts 8 are screwed in. The blades 2 are reinforced with the base 1 from all around, so that the paperboard props will not easily crack and separate even if they are touched.

[0025] The bottom of the base 1 is fixed with a sleeve 9, and the inside of the sleeve 9 is longitudinally provided with a receiving groove 18, the bottom of the sleeve 9 is movably connected with a dial 17, the receiving groove 18 and the dial 17 are movably connected with a lead screw 15, and the bottom of the lead screw 15 is provided with a fixed sheet 14, the inside of the fixed sheet 14 is provided with an assembly hole 16, the lower right corner of the outside of the sleeve 9 is welded with a sleeve block 11, and the sleeve block 11 is inserted with a plug rod 10, the upper and lower of the front surface of the plug rod 10 is provided with a screw hole 13, the hole of the front end of the sleeve block 11 is assembled with a positioning bolt 12, the rear end of the positioning bolt 12 can be embedded in the screw hole 13, and the inside of the dial 17 is left with a matching thread of the lead screw 15;

[0026] Specifically, as shown in Figure 1 and Figure 3 , the dial 17 is rotated, the thread groove in the inside of the dial 17 is engaged with the lead screw 15, the right side of the fixed sheet 14 is embedded in the sleeve block 11 through the plug rod 10, the lead screw 15 in the sleeve 9 can be vertically pushed out or retracted by dialing the dial 17, and then the plug rod 10 is locked by the positioning bolt 12 screwed into the screw hole 13, and the distance between the sleeve 9 and the lead screw 15 is adjusted and installed through the fixed sheet 14.

[0027] The top of the blade 2 and the base 1 is clamped with a protective sleeve 4, and the top of the inside of the protective sleeve 4 is fixed with a magnetic strip 6, the top of the inside of the protective sleeve 4 is fixed with four groups of clamping blocks 5, the inside of the protective sleeve 4 is provided with a clamping groove 21, the magnetic strip 6 is attached above the metal blade 2, and the clamping block 5 is embedded in the top of the adjacent blade 2;

[0028] Specifically, as shown in Figure 1 and Figure 4 , the top of the blade 2 is cross-shaped, which can be clamped with the clamping block 5 in the protective sleeve 4, if the tool is used up, the protective sleeve 4 is reconnected on the blade 2, and the magnetic strip 6 above the inside of the protective sleeve 4 can also be attracted to the metal blade 2, which can protect the sharp blade 2.

[0029] Working principle: the utility model discloses when using, four groups of blades 2 of base 1 top install through the welding of welding rod 3, and the limiting block 7 of four corners can avoid the adjacent blade 2 to separate, then aligns screw hole three 20, screw hole two 19 and rotates into fastening bolt 8, and the four periphery of blade 2 is reinforced with base 1, then turns the handle 17, and the screw groove in the inside of handle 17 is engaged with screw rod 15, because the right side of fixed sheet 14 is embedded in the nest block 11 through the insertion rod 10, when handle 17 is moved, the screw rod 15 in sleeve pipe 9 can be vertically ejected or received, and then the insertion rod 10 is locked by the positioning bolt 12 of screw hole one 13, and the distance between sleeve pipe 9 and screw rod 15 is adjusted, and then fixed sheet 14 is installed, because the top of blade 2 is cross-shaped, the clamping block 5 in protective sleeve 4 can be clamped, if the tool is used, then protective sleeve 4 is reconnected on blade 2, and the magnetic attraction strip 6 in the inside of protective sleeve 4 can also be adsorbed on metal blade 2, and the sharp blade 2 is protected.

[0030] It is obvious for those skilled in the art that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the utility model is defined by the appended claims instead of the above description, so as to include all changes falling within the meaning and scope of the equivalent elements of the claims in the utility model. Any figure mark in the claims should not be regarded as limiting the involved claims.

Claims

1. A four-blade V-shaped engraving tool for slitting a paperboard prop, comprising a base (1) and a blade (2), characterized in that: The front, back, left and right of the top of the base (1) are respectively provided with blades (2), and welding rods (3) are welded between the blades (2) and the base (1), the four corners of the top of the base (1) are respectively fixed with limiting blocks (7), and the inside of the limiting block (7) is provided with a screw hole three (20), the bottom of the two sides of the blade (2) is respectively provided with a screw hole two (19), the screw hole three (20) and the screw hole two (19) are threadedly assembled with a fastening bolt (8).

2. A four-bladed V-shaped engraving tool for slotting a paperboard prop according to claim 1, characterized in that: The limiting block (7) is attached between adjacent blades (2), the fastening bolt (8), the screw hole two (19) and the screw hole three (20) are arranged in concentric circles.

3. A four-bladed V-shaped engraving tool for slitting paperboard props according to claim 1, characterized in that: The bottom of the base (1) is fixed with a sleeve (9), and the inside of the sleeve (9) is longitudinally provided with a receiving groove (18), the bottom of the sleeve (9) is movably connected with a dial (17), the receiving groove (18) and the dial (17) are movably connected with a lead screw (15), and the bottom of the lead screw (15) is provided with a fixed sheet (14), the inside of the fixed sheet (14) is respectively provided with an assembly hole (16), the lower right corner of the outside of the sleeve (9) is welded with a sleeve block (11), and the sleeve block (11) is inserted with a plug rod (10), the upper and lower of the front surface of the plug rod (10) is provided with a screw hole one (13), the hole of the front end of the sleeve block (11) is assembled with a positioning bolt (12).

4. A four-bladed V-shaped engraving tool for slitting paperboard props according to claim 3, characterized in that: The rear end of the positioning bolt (12) can be embedded in the screw hole one (13), and the inside of the dial (17) is left with a matching thread of the lead screw (15).

5. A four-bladed V-shaped engraving tool for slitting paperboard props according to claim 1, characterized in that: The top of the blade (2) and the base (1) are clamped with a protective sleeve (4), and the top end of the inside of the protective sleeve (4) is fixed with a magnetic strip (6), the top end of the inside of the protective sleeve (4) is fixed with four groups of clamping blocks (5), and the inside of the protective sleeve (4) is provided with a clamping groove (21).

6. A four-bladed V-shaped engraving tool for slotting a paperboard prop according to claim 5, characterized in that: The magnetic strip (6) is attached above the metal blade (2), and the clamping block (5) is embedded in the top of the adjacent blade (2).