High-performance pre-milling cutter for shaving board processing

By setting up an inclined upper and lower cutting tools on the premill cutter and designing it as an arc-surface chip removal groove, the problem of difficulty in cutting chip discharge in existing premill cutters is solved, and the cutting efficiency and performance are improved, making it easy to use.

CN223000756UActive Publication Date: 2025-06-20LEUCO PRECISION TOOL TAICANG
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Patent Information

Application Number
CN202421947851.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-13
Publication Date
2025-06-20
Estimated Expiration
2034-08-13

AI Technical Summary

Technical Problem

The chip drain space on the back side of the existing premilling cutter is not large, which makes it difficult to discharge long chips generated during the cutting process, which easily blocks the chip drain, affecting the high-speed cutting efficiency and performance of the premilling cutter.

Method used

A high-performance pre-milling cutter is designed. By setting up an upper cutting tool and a lower cutting tool on the milling cutter body and setting it inclined to introduce the wood chips generated during the cutting process into the chip drain groove, and at the same time, the groove surface of the chip drain groove is designed as an arc surface to reduce chip drain resistance.

Benefits of technology

It effectively solves the problem of wood chip discharge difficulties, improves the high-speed cutting efficiency and performance of pre-milling cutters, is easy to use, and is suitable for particle boards of different thicknesses.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of pre-milling cutters, and discloses a high-performance pre-milling cutter for shaving board processing, which comprises a milling cutter body, a cylindrical hole is arranged in the middle of the milling cutter body, a key groove is arranged in the cylindrical hole, a mounting groove is arranged on the middle side of the top of the milling cutter body, and the key groove is arranged in the mounting groove. A mounting block is fixedly connected to the middle side of the bottom of the milling cutter body, a chip groove is formed in the outer side of the milling cutter body, an upper cutter is fixedly connected to the upper side of the surface of the milling cutter body, and a lower cutter is fixedly connected to the lower side of the surface of the milling cutter body. The upper cutting knife and the lower cutting knife are obliquely arranged, so that wood chips generated in the cutting process are guided into the chip discharging grooves, the groove faces of the chip discharging grooves are arc faces, the chip discharging resistance in the groove faces is reduced, the wood chips can be conveniently and rapidly discharged through the chip discharging grooves, high-speed cutting of the pre-milling cutter is facilitated, the cutting efficiency and performance are improved, and use is convenient.
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Description

Technical Field

[0001] The utility model relates to the technical field of pre-milling cutters, and particularly relates to a high-performance pre-milling cutter for particle board processing. Background Technique

[0002] In the process of particle board processing, since the edges of the preliminarily cut and formed boards often have burrs and unevenness, pre-milling is generally carried out before edge sealing to make the side surfaces straight and flat. The pre-milling cutter is a commonly used tool in the pre-milling process.

[0003] The chip removal groove space at the rear of the existing pre-milling cutter is not large. If long wood chips are generated during the cutting process, it will be unfavorable for chip removal, and then it is easy to block the chip removal groove, which is not conducive to discharging the wood chips generated by cutting out of the cutter, thus affecting the high-speed cutting of the pre-milling cutter, and further affecting the cutting efficiency and performance, and it is not convenient to use. Content of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the utility model provides a high-performance pre-milling cutter for particle board processing to solve the problems mentioned in the above background technique that the chip removal groove space at the rear of the existing pre-milling cutter is not large. If long wood chips are generated during the cutting process, it will be unfavorable for chip removal, and then it is easy to block the chip removal groove, which is not conducive to discharging the wood chips generated by cutting out of the cutter, thus affecting the high-speed cutting of the pre-milling cutter, and further affecting the cutting efficiency and performance, and it is not convenient to use.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A high-performance pre-milling cutter for particle board processing, including a milling cutter body. A cylindrical hole is opened in the middle of the milling cutter body, a keyway is opened inside the cylindrical hole, an installation groove is opened in the middle of the upper side of the milling cutter body, an installation hole is opened on the outer side of the upper part of the milling cutter body, a threaded hole is opened at the bottom of the installation hole, a fastening bolt is threadedly connected inside the threaded hole, an installation block is fixedly connected to the middle of the lower side of the milling cutter body, a chip removal groove is opened on the outer side of the milling cutter body, an upper cutting tool is fixedly connected to the upper side of the surface of the milling cutter body, and a lower cutting tool is fixedly connected to the lower side of the surface of the milling cutter body.

[0006] Preferably, the number of the upper cutting tools is several, and several upper cutting tools are distributed in a circular array on the upper side of the surface of the milling cutter body. The distance between several upper cutting tools is the same, and several upper cutting tools are arranged obliquely.

[0007] Preferably, the number of the lower cutting tools is several, and several lower cutting tools are distributed in a circular array on the lower side of the surface of the milling cutter body. The distance between several lower cutting tools is the same, and several lower cutting tools are arranged obliquely.

[0008] Preferably, a plurality of the upper cutting tools and a plurality of the lower cutting tools are symmetrically arranged, and the plurality of the upper cutting tools and the plurality of the lower cutting tools are staggered with each other.

[0009] With the above technical solution, by arranging the upper cutting tool, the lower cutting tool, etc. and using them in cooperation with the chip removal groove, the upper cutting tool and the lower cutting tool are arranged obliquely, so as to introduce the wood chips generated during the cutting process into the chip removal groove. The groove surface of the chip removal groove is an arc surface to reduce the chip removal resistance in the groove surface, facilitating the chip removal groove to quickly discharge the wood chips.

[0010] Preferably, the position of the mounting block is directly below the mounting groove, and the shape and size of the mounting block are adapted to the shape and size of the mounting groove.

[0011] With the above technical solution, by arranging the mounting block, the mounting groove, etc. and using them in cooperation with the threaded holes and the fastening bolts, one milling cutter body can be clamped into the mounting groove of another milling cutter body through the mounting block, so that the two milling cutter bodies are superposed on each other, and then locked by inserting the fastening bolts into the corresponding threaded holes, so as to adapt to particle boards of different thicknesses, without the need to carry a variety of tools, which is convenient to use.

[0012] Preferably, the number of the threaded holes is several, and the several threaded holes are distributed in a circular array on the top of the milling cutter body, and the distances between the several threaded holes are the same.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1. For the high-performance pre-milling cutter for particle board processing, by arranging the upper cutting tool, the lower cutting tool, etc. and using them in cooperation with the chip removal groove, the upper cutting tool and the lower cutting tool are arranged obliquely, so as to introduce the wood chips generated during the cutting process into the chip removal groove. The groove surface of the chip removal groove is an arc surface to reduce the chip removal resistance in the groove surface, facilitating the chip removal groove to quickly discharge the wood chips, facilitating the high-speed cutting of the pre-milling cutter, improving the cutting efficiency and performance, and being convenient to use.

[0015] 2. For the high-performance pre-milling cutter for particle board processing, by arranging the mounting block, the mounting groove, etc. and using them in cooperation with the threaded holes and the fastening bolts, one milling cutter body can be clamped into the mounting groove of another milling cutter body through the mounting block, so that the two milling cutter bodies are superposed on each other, and then locked by inserting the fastening bolts into the corresponding threaded holes, so as to adapt to particle boards of different thicknesses, without the need to carry a variety of tools, which is convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a front view structural schematic diagram of the present utility model;

[0017] Figure 2 It is a bottom view structural schematic diagram of the present utility model;

[0018] Figure 3 This is a schematic top view structure diagram of the present utility model;

[0019] Figure 4 This is a schematic structure diagram of the chip removal groove of the present utility model;

[0020] Figure 5 This is a schematic structure diagram of the fastening bolt of the present utility model.

[0021] In the figure: 1, milling cutter body; 2, upper cutting tool; 3, lower cutting tool; 4, chip removal groove; 5, installation groove; 6, cylindrical hole; 7, keyway; 8, fastening bolt; 9, installation hole; 10, threaded hole; 11, installation block. Specific embodiments

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0023] Embodiment 1:

[0024] Please refer to FIGS. 1-4 in combination. A high-performance pre-milling cutter for particleboard processing includes a milling cutter body 1. A cylindrical hole 6 is provided in the middle of the milling cutter body 1. A keyway 7 is provided inside the cylindrical hole 6. An installation groove 5 is provided in the middle of the top of the milling cutter body 1. An installation hole 9 is provided on the outer side of the top of the milling cutter body 1. A threaded hole 10 is provided at the bottom of the installation hole 9. A fastening bolt 8 is threadedly connected inside the threaded hole 10. An installation block 11 is fixedly connected to the middle of the bottom of the milling cutter body 1. A chip removal groove 4 is provided on the outer side of the milling cutter body 1. An upper cutting tool 2 is fixedly connected to the upper side of the surface of the milling cutter body 1. The number of the upper cutting tools 2 is several. The several upper cutting tools 2 are distributed in a circular array on the upper side of the surface of the milling cutter body 1. The spacing between the several upper cutting tools 2 is the same, and the several upper cutting tools 2 are arranged obliquely. A lower cutting tool 3 is fixedly connected to the lower side of the surface of the milling cutter body 1. The number of the lower cutting tools 3 is several. The several lower cutting tools 3 are distributed in a circular array on the lower side of the surface of the milling cutter body 1. The spacing between the several lower cutting tools 3 is the same, and the several lower cutting tools 3 are arranged obliquely. The several upper cutting tools 2 and the several lower cutting tools 3 are symmetrically arranged, and the several upper cutting tools 2 and the several lower cutting tools 3 are staggered from each other.

[0025] Working principle: When in use, when the staff uses the milling cutter body 1 to cut the particle board, the milling cutter body 1 rotates to drive a number of upper cutting knives 2 and lower cutting knives 3 to cut the particle board at the same time. The upper cutting knives 2 and the lower cutting knives 3 are arranged obliquely. The wood chips generated during the cutting process will be introduced into the chip discharge groove 4 along the angles of the upper cutting knives 2 and the lower cutting knives 3. The groove surface of the chip discharge groove 4 is an arc surface to reduce the chip discharge resistance in the groove surface. Then the wood chips in the chip discharge groove 4 will be discharged from the chip discharge groove 4 as the milling cutter body 1 rotates, which is convenient for the staff to use.

[0026] Compared with the related technology, a high-performance pre-milling cutter for particle board processing provided by the present utility model has the following beneficial effects: By arranging the upper cutting knife 2, the lower cutting knife 3, etc. and cooperating with the chip discharge groove 4, the upper cutting knife 2 and the lower cutting knife 3 are arranged obliquely, so as to introduce the wood chips generated during the cutting process into the chip discharge groove 4. The groove surface of the chip discharge groove 4 is an arc surface to reduce the chip discharge resistance in the groove surface, which is convenient for the chip discharge groove 4 to quickly discharge the wood chips, facilitating the high-speed cutting of the pre-milling cutter, improving the cutting efficiency and performance, and being convenient for use.

[0027] Embodiment 2:

[0028] Please refer to FIGS. 1-5 in combination. A cylindrical hole 6 is opened in the middle of the milling cutter body 1. A keyway 7 is opened inside the cylindrical hole 6. An installation groove 5 is opened in the middle of the top of the milling cutter body 1. Installation holes 9 are opened on the outer side of the top of the milling cutter body 1. A threaded hole 10 is opened at the bottom of the installation hole 9. The number of the threaded holes 10 is several. The several threaded holes 10 are arranged in a circular array on the top of the milling cutter body 1, and the distances between the several threaded holes 10 are the same. A fastening bolt 8 is threadedly connected inside the threaded hole 10. An installation block 11 is fixedly connected to the middle of the bottom of the milling cutter body 1. The position of the installation block 11 is directly below the installation groove 5, and the shape and size of the installation block 11 are adapted to the shape and size of the installation groove 5.

[0029] Working principle: When the thickness of the particle board is too thick, the staff can snap one milling cutter body 1 into the installation groove 5 of another milling cutter body 1 through the installation block 11 to stack the two milling cutter bodies 1 together, and then insert the fastening bolt 8 into the corresponding threaded hole 10 for locking, so as to adapt to particle boards of different thicknesses without carrying a variety of tools, which is convenient for use.

[0030] Compared with the related art, a high-performance pre-milling tool for particle board processing provided by the present utility model has the following beneficial effects: By setting up the mounting block 11, the mounting groove 5, etc. and using them in cooperation with the threaded hole 10 and the fastening bolt 8, a milling cutter body 1 can be snapped into the mounting groove 5 of another milling cutter body 1 through the mounting block 11, so that the two milling cutter bodies 1 are stacked on top of each other, and then the fastening bolt 8 is inserted into the corresponding threaded hole 10 for locking, so as to adapt to particle boards of different thicknesses, without the need to carry a variety of tools, which is convenient to use.

[0031] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model, and the scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A high-performance pre-milling cutter for particleboard processing, comprising a milling cutter body (1), characterized in that: A cylindrical hole (6) is provided in the middle of the milling cutter body (1), a keyway (7) is provided inside the cylindrical hole (6), a mounting groove (5) is provided on the middle side of the top of the milling cutter body (1), a mounting hole (9) is provided on the outer side of the top of the milling cutter body (1), a threaded hole (10) is provided at the bottom of the mounting hole (9), a fastening bolt (8) is connected to the inner thread of the threaded hole (10), a mounting block (11) is fixedly connected to the middle side of the bottom of the milling cutter body (1), a chip removal groove (4) is provided on the outer side of the milling cutter body (1), an upper cutting cutter (2) is fixedly connected to the upper side of the surface of the milling cutter body (1), and a lower cutting cutter (3) is fixedly connected to the lower side of the surface of the milling cutter body (1).

2. A high-performance pre-milling cutter for particleboard processing according to claim 1, characterized in that: The number of the upper cutting knives (2) is a plurality, and the plurality of upper cutting knives (2) are distributed in a ring array on the upper surface of the milling cutter body (1), the spacing between the plurality of upper cutting knives (2) is the same, and the plurality of upper cutting knives (2) are arranged in an inclined shape.

3. A high-performance pre-milling cutter for particleboard processing according to claim 1, characterized in that: The number of the lower cutting knives (3) is several, and the several lower cutting knives (3) are distributed in a ring array on the lower side of the surface of the milling cutter body (1), the spacing between the several lower cutting knives (3) is the same, and the several lower cutting knives (3) are arranged in an inclined shape.

4. A high-performance pre-milling cutter for particleboard processing according to claim 1, characterized in that: The plurality of upper cutting knives (2) and the plurality of lower cutting knives (3) are symmetrically arranged, and the plurality of upper cutting knives (2) and the plurality of lower cutting knives (3) are staggered with each other.

5. A high-performance pre-milling cutter for particleboard processing according to claim 1, characterized in that: The mounting block (11) is located directly below the mounting groove (5), and the shape and size of the mounting block (11) are compatible with the shape and size of the mounting groove (5).

6. A high-performance pre-milling cutter for particleboard processing according to claim 1, characterized in that: The number of the threaded holes (10) is a plurality, and the plurality of threaded holes (10) are distributed in a ring array on the top of the milling cutter body (1), and the spacings between the plurality of threaded holes (10) are the same.