Multifunctional cutting machine

Abstract

A multifunctional cutting machine comprises a handle, a shell is arranged at the front end of the handle, a lower cover is arranged on the lower side of the shell, a rotating disc is rotationally arranged on the outer side of the lower cover, a protection disc and a protection cover are arranged at the lower end of the rotating disc, a handle is arranged on the outer side of the protection disc, and a saw blade is rotationally arranged between the protection disc and the protection cover. A cutting notch is formed in one side of the protection disc and one side of the protection cover and comprises a flat part and an inclined part, the inclined part is located on one side of the rotation direction of the saw blade, the protection disc and the protection cover are provided with leaning iron at the inclined part, and the included angle between the tangent line, close to the leaning iron, of the saw blade and the leaning iron is smaller than 90 degrees. The end of the leaning iron is located on the side, close to the axis of the saw blade, of the extension line of the flat part. The sealing device has the advantages of simple structure, reasonable design, convenience in operation, good sealing effect, suitability for cutting materials with different shapes and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of cutting, in particular to a multifunctional cutting machine. Background Art

[0002] Metal cutting is generally done by shearing with a shearing machine or sawing with a cutting machine. Cutting machines are widely used due to their convenience, smooth cutting section, and low cutting loss. However, the cutting machines currently on the market have a single function and cannot be used to cut round steel or square or angle steel at the same time, which greatly limits the promotion and use of cutting machines. Summary of the invention

[0003] The utility model aims to solve the deficiencies of the prior art and provides a multifunctional cutting machine which has a simple structure, reasonable design, convenient operation, good sealing effect and can be applied to cutting materials of different shapes.

[0004] The technical solution adopted by the utility model to solve its technical problems is: a multifunctional cutting machine, including a handle, a shell is provided at the front end of the handle, a lower cover is provided on the lower side of the shell, a rotating disk is rotatably provided on the outer side of the lower cover, a protective disk and a protective cover are provided at the lower end of the rotating disk, a handle is provided on the outer side of the protective disk, a saw blade is rotatably provided between the protective disk and the protective cover, a cutting notch is provided on one side of the protective disk and the protective cover, the cutting notch includes a flat portion and an inclined portion, the inclined portion is located on one side of the saw blade's rotation direction, the protective disk and the protective cover are provided with a rest iron at the inclined portion, the angle between the tangent of the saw blade near the rest iron and the rest iron is less than 90°, and the end of the rest iron is located on the side of the extension line of the flat portion close to the saw blade axis.

[0005] Preferably, a motor is provided in the inner cavity of the handle, a battery pack for powering the motor is provided at the rear end of the handle, a control switch and a display panel are provided on the outside of the handle, and a first sealing ring is provided on the outer ring of the connection between the battery pack and the handle.

[0006] Preferably, a cutting shaft is rotatably provided in the inner cavity of the shell, the lower end of the cutting shaft extends between the protective plate and the protective cover, the saw blade is mounted on the cutting shaft, an output gear is provided on the cutting shaft, the output shaft of the motor extends to the inner cavity of the shell and the end is sleeved with an input gear meshing with the output gear.

[0007] Preferably, a second sealing ring and a third sealing ring are respectively provided between the housing and the handle and the lower cover, and an oil seal is provided between the lower cover and the cutting shaft.

[0008] Preferably, a locking pin is provided on the housing, locking holes matching the locking pin are evenly arranged on the output gear, and a fourth sealing ring is provided between the locking pin and the housing.

[0009] Preferably, a plurality of reinforcing ribs are evenly arranged on the protection plate, and mounting holes for mounting a handle are provided at the ends of the reinforcing ribs.

[0010] Preferably, the end surface of the lower cover is provided with a plurality of limiting holes, the protection plate is provided with a limiting groove, and the limiting groove is provided with limiting steel balls and limiting springs matching the limiting holes.

[0011] When the utility model is in use, the handle can be installed in the installation hole on the outside of the protection plate according to the on-site conditions, and the protection plate and the protective cover can be rotated by the handle, and a limiting steel ball and a limiting hole are arranged between the protection plate and the lower cover to limit the protection plate to prevent it from rotating during cutting, and a cutting notch is arranged on one side of the protection plate and the protective cover, wherein the angle between the inclined portion, the iron support and the saw blade is less than 90°, and the iron support cooperates with the rotation direction of the saw blade to clamp round steel and other materials during cutting, and the end of the iron support is located on the side of the extension line of the flat portion close to the axis of the saw blade, and can be positioned through the flat portion when cutting flat plate materials, ensuring deeper and more convenient cutting, and by arranging sealing rings or oil seals at the joints of the various components, the sealing effect is improved, and the utility model can work underwater; it has the advantages of simple structure, reasonable design, convenient operation, good sealing effect, and can be applicable to cutting of materials of different shapes. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of an embodiment of the utility model;

[0013] Figure 2 It is a top view of an embodiment of the utility model;

[0014] Figure 3 It is a cross-sectional structural diagram of an embodiment of the utility model;

[0015] Figure 4 This utility model Figure 3 A magnified image of point A;

[0016] Figure 5 This utility model Figure 3 Enlarged view of point B.

[0017] In the figure: 1. handle; 11. motor; 12. battery pack; 13. control switch; 14. display panel; 15. input gear; 16. first sealing ring; 2. housing; 21. cutting shaft; 22. output gear; 23. locking pin; 24. locking hole; 25. second sealing ring; 26. third sealing ring; 27. oil seal; 28. fourth sealing ring; 3. lower cover; 31. limiting hole; 4. rotating disk; 5. protective disk; 51. reinforcing rib; 52. mounting hole; 53. limiting groove; 54. limiting steel ball; 55. limiting spring; 6. protective cover; 7. handle; 8. saw blade; 9. cutting notch; 91. flat part; 92. inclined part; 93. iron support. DETAILED DESCRIPTION

[0018] The technical solution of the utility model is further described in detail below through specific embodiments and in conjunction with the accompanying drawings.

[0019] Example:

[0020] like Figures 1 to 5 A multifunctional cutting machine shown includes a handle 1, an inner cavity of the handle 1 is provided with a motor 11, a rear end of the handle 1 is provided with a battery pack 12 for powering the motor 11, a control switch 13 and a display panel 14 are provided on the outer side of the handle 1, and a first sealing ring 16 is provided on the outer ring of the connection between the battery pack 12 and the handle 1.

[0021] A shell 2 is provided at the front end of the handle 1, a lower cover 3 is provided at the lower side of the shell 2, a rotating disk 4 is rotatably provided on the outer side of the lower cover 3, a protective disk 5 and a protective cover 6 are provided at the lower end of the rotating disk 4, a handle 7 is provided on the outer side of the protective disk 5, a plurality of reinforcing ribs 51 are evenly provided on the protective disk 5, and mounting holes 52 for mounting the handle 7 are provided at the ends of the reinforcing ribs 51, a plurality of limiting holes 31 are provided on the end surface of the lower cover 3, a limiting groove 53 is provided on the protective disk 5, a limiting steel ball 54 and a limiting spring 55 matching the limiting hole 31 are provided in the limiting groove 53, a second sealing ring 25 and a third sealing ring 26 are provided between the shell 2 and the handle 1 and the lower cover 3, respectively, and an oil seal 27 is provided between the lower cover 3 and the cutting shaft 21.

[0022] A saw blade 8 is rotatably provided between the protection plate 5 and the protective cover 6, and a cutting notch 9 is provided on one side of the protection plate 5 and the protective cover 6. The cutting notch 9 includes a flat portion 91 and an inclined portion 92, and the inclined portion 92 is located on the side of the rotation direction of the saw blade 8. The protection plate 5 and the protective cover 6 are provided with a support iron 93 at the inclined portion 92, and the angle between the tangent of the saw blade 8 near the support iron 93 and the support iron 93 is less than 90°, and the end of the support iron 93 is located on the side of the extension line of the flat portion 91 close to the axis of the saw blade 8.

[0023] A cutting shaft 21 is rotatably provided in the inner cavity of the shell 2, and the lower end of the cutting shaft 21 extends between the protective plate 5 and the protective cover 6. The saw blade 8 is installed on the cutting shaft 21, and an output gear 22 is provided on the cutting shaft 21. The output shaft of the motor 11 extends to the inner cavity of the shell 2 and an input gear 15 meshing with the output gear 22 is sleeved on the end thereof; a locking pin 23 is provided on the shell 2, and locking holes 24 matching the locking pin 23 are evenly provided on the output gear 22, and a fourth sealing ring 28 is provided between the locking pin 23 and the shell 2.

[0024] When the utility model is in use, the handle 7 can be installed in the installation hole 52 on the outside of the protection plate 5 according to the on-site conditions, and the protection plate 5 and the protective cover 6 can be rotated by the handle 7. A limiting steel ball 54 and a limiting hole 31 are set between the protection plate 5 and the lower cover 3 to limit the protection plate 5 to prevent it from rotating during cutting. A cutting notch 9 is set on one side of the protection plate 5 and the protective cover 6, wherein the angle between the inclined portion 92, the iron support 93 and the saw blade 8 is less than 90°. During cutting, the iron support 93 cooperates with the rotation direction of the saw blade 8 to clamp round steel and other materials, and the end of the iron support 93 is located on the side of the extension line of the flat portion 91 close to the axis of the saw blade 8. When cutting flat plate materials, it can be positioned by the flat portion 91 to ensure deeper and more convenient cutting. By setting a sealing ring or oil seal 27 at the connection between each component, the sealing effect is improved, and it can work underwater.

[0025] The above-described embodiment is only a preferred solution of the present invention and does not limit the present invention in any form. There are other variations and modifications without exceeding the technical solution described in the claims.

Claims

1. A multifunctional cutting machine, comprising a handle (1), characterized in that: A housing (2) is provided at the front end of the handle (1), a lower cover (3) is provided at the lower side of the housing (2), a rotating disk (4) is rotatably provided on the outer side of the lower cover (3), a protective disk (5) and a protective cover (6) are provided at the lower end of the rotating disk (4), a handle (7) is provided on the outer side of the protective disk (5), a saw blade (8) is rotatably provided between the protective disk (5) and the protective cover (6), a cutting notch (9) is provided on one side of the protective disk (5) and the protective cover (6), the cutting notch (9) comprises a flat portion (91) and an inclined portion (92), the inclined portion (92) is located on one side of the saw blade (8) in the rotating direction, a support iron (93) is provided on the inclined portion (92), the angle between the tangent of the saw blade (8) near the support iron (93) and the support iron (93) is less than 90 degrees, and the end of the support iron (93) is located on the side of the extension line of the flat portion (91) near the axis of the saw blade (8).

2. The multifunctional cutting machine according to claim 1, characterized in that: A motor (11) is disposed in the inner cavity of the handle (1), a battery pack (12) for supplying power to the motor (11) is disposed at the rear end of the handle (1), a control switch (13) and a display panel (14) are disposed on the outer side of the handle (1), and a first sealing ring (16) is disposed on the outer ring of the connection between the battery pack (12) and the handle (1).

3. The multifunctional cutting machine according to claim 2, characterized in that: A cutting shaft (21) is rotatably disposed in the inner cavity of the housing (2), the lower end of the cutting shaft (21) extending to between the protection plate (5) and the protection cover (6), the saw blade (8) being mounted on the cutting shaft (21), the cutting shaft (21) being provided with an output gear (22), and the output shaft of the motor (11) extending to the inner cavity of the housing (2) and having an input gear (15) sleeved on the end thereof meshing with the output gear (22).

4. The multifunctional cutting machine according to claim 3, characterized in that: A second sealing ring (25) and a third sealing ring (26) are respectively provided between the housing (2) and the handle (1) and the lower cover (3), and an oil seal (27) is provided between the lower cover (3) and the cutting shaft (21).

5. The multifunctional cutting machine according to claim 3, characterized in that: A locking pin (23) is provided on the housing (2), locking holes (24) matching the locking pin (23) are evenly arranged on the output gear (22), and a fourth sealing ring (28) is provided between the locking pin (23) and the housing (2).

6. The multifunctional cutting machine according to claim 1, characterized in that: A plurality of reinforcing ribs (51) are evenly arranged on the protection plate (5), and mounting holes (52) for mounting the handle (7) are provided at the ends of the reinforcing ribs (51).

7. The multifunctional cutting machine according to claim 1, characterized in that: The end surface of the lower cover (3) is provided with a plurality of limiting holes (31), the protection plate (5) is provided with a limiting groove (53), and the limiting groove (53) is provided with limiting steel balls (54) and limiting springs (55) that match the limiting holes (31).

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