Main shaft assembly of circular saw

Abstract

The utility model discloses a main shaft assembly of a circular saw, which belongs to the technical field of sliding table saws and comprises a main shaft, and a main sleeve is mounted on the outer side of the main shaft. The bearing, the main sleeve, the bearing seat, the main shaft and the bearing end cover are assembled together, when the single saw blade assembly is used, the first inner saw blade clamp, the first outer saw blade clamp and the locking nut are assembled on the main shaft, then the single saw blade is installed, when the combined saw blade needs to be used, the single saw blade assembly is detached and replaced with the combined saw blade assembly, then the combined saw blade is installed, and the combined saw blade assembly is replaced with the combined saw blade assembly. The thickness of the combined saw blade is adjusted through the third secondary sleeve, the second secondary sleeve and the first secondary sleeve in the combined saw blade assembly, combined saw blades of various styles and thicknesses can be installed according to requirements, and replacement of a single saw blade and the combined saw blade can be achieved by replacing small parts of parts. A single cutting saw blade or a combined cutting saw blade can be installed on one machine through simple structure interchange at the same time, customers do not need to purchase various devices any more, and better experience is brought to the customers.

Description

Technical Field

[0001] The utility model relates to the technical field of panel saws, and more specifically, to a circular saw spindle assembly. Background Art

[0002] In the field of woodworking machinery, table saws or panel saws are often used for cutting or grooving on panels.

[0003] Based on the above, the inventor found that: at present, in the existing circular saw structure, the saw blade is either a single-piece cutting saw blade or a combined cutting saw blade, and the two cannot be interchanged. Only one type can be used alone on one machine, resulting in the need to purchase multiple devices during processing, increasing equipment investment and occupying a large floor area. Therefore, in view of this, the existing structure is studied and improved to provide a circular saw spindle assembly, aiming to achieve a more practical value. Summary of the Utility Model

[0004] 1. Technical Problems to be Solved

[0005] Aiming at the problems existing in the prior art, the purpose of the utility model is to provide a circular saw spindle assembly, which can realize the interchange of single-piece cutting saw blades and combined cutting saw blades at any time, enabling a single machine to be equipped with either a single-piece cutting saw blade or a combined cutting saw blade through simple structural interchange, eliminating the need for customers to purchase multiple devices and bringing a better experience to customers.

[0006] 2. Technical Solutions

[0007] To solve the above problems, the utility model adopts the following technical solutions.

[0008] A circular saw spindle assembly includes a spindle. A main sleeve is installed on the outer side of the spindle. A bearing seat is installed inside the main sleeve. A bearing is arranged inside the bearing seat. A bearing end cover is threadedly connected to the left side of the bearing seat. One end of the spindle includes an inner saw blade clamp one and an outer saw blade clamp one. A single-piece saw blade assembly and a combined saw blade assembly are respectively installed on the left side of the spindle.

[0009] Single-piece saw blade assembly: The single-piece saw blade assembly consists of an inner saw blade clamp one, a single-piece saw blade, and an outer saw blade clamp one. The single-piece saw blade is installed in the middle position between the inner saw blade clamp one and the outer saw blade clamp one. A locking nut is threadedly connected to the outer side of the outer saw blade clamp one.

[0010] Combined saw blade assembly: A combined saw blade is installed inside the combined saw blade assembly. The combined saw blade is composed of an inner saw blade clamp two, a secondary sleeve one, a secondary sleeve two, a secondary sleeve three, and an outer saw blade clamp two. The secondary sleeve one, the secondary sleeve two, the secondary sleeve three, and the outer saw blade clamp two are distributed on the outer side of the inner saw blade clamp two from right to left in sequence. A key is installed inside the inner saw blade clamp two.

[0011] Further, one end of the main shaft is equipped with a motor pulley, and the inner diameters of the inner saw blade clamp one and the outer saw blade clamp one are adapted to each other.

[0012] Further, the single-piece saw blade is sleeved on the inner sides of the inner saw blade clamp one and the outer saw blade clamp one.

[0013] Further, the locking nut is threadedly connected to the tail end of the main shaft.

[0014] Further, the inner diameters of the secondary sleeve one, the secondary sleeve two, the secondary sleeve three and the outer saw blade clamp two are the same.

[0015] 3. Beneficial effects

[0016] Compared with the prior art, the advantages of the present utility model are as follows:

[0017] In this solution, by assembling the bearing, the main sleeve, the bearing seat, the main shaft and the bearing end cover together, when using the single-piece saw blade assembly, the inner saw blade clamp one, the outer saw blade clamp one and the locking nut are assembled on the main shaft, and then the single-piece saw blade is installed. When a combined saw blade is needed, the single-piece saw blade assembly is removed and replaced with a combined saw blade assembly, and then the combined saw blade is installed. The thickness of the combined saw blade is adjusted by the secondary sleeve three, the secondary sleeve two and the secondary sleeve one inside the combined saw blade assembly. Various styles and thicknesses of combined saw blades can be installed according to requirements. By replacing a small number of parts, the replacement of the single-piece saw blade and the combined saw blade can be realized, so that a single machine can be equipped with a single-piece cutting saw blade or a combined cutting saw blade through simple structural interchange, eliminating the need for customers to purchase multiple devices and bringing a better experience to customers. Description of the drawings

[0018] Figure 1 It is a schematic diagram of the overall circular saw main shaft assembly of the present utility model;

[0019] Figure 2 It is a schematic diagram of the circular saw main shaft assembly of the present utility model;

[0020] Figure 3 It is a schematic diagram of the disassembly of the circular saw main shaft assembly of the present utility model.

[0021] Explanation of the reference numerals in the drawings:

[0022] 1. Bearing; 2. Main sleeve; 3. Bearing seat; 4. Main shaft; 5. Bearing end cover; 6. Inner saw blade clamp one; 7. Single-piece saw blade; 8. Outer saw blade clamp one; 9. Locking nut; 10. Combined saw blade assembly; 11. Inner saw blade clamp two; 12. Secondary sleeve one; 13. Secondary sleeve two; 14. Secondary sleeve three; 15. Outer saw blade clamp two; 16. Combined saw blade; 17. Key. Specific implementation manners

[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0024] Embodiment 1:

[0025] When using a single saw blade 7;

[0026] A single saw blade assembly, the single saw blade assembly includes an inner saw blade clamp 6, a single saw blade 7, and an outer saw blade clamp 8. The inner saw blade clamp 6 and the outer saw blade clamp 8 are used to install the single saw blade 7. The single saw blade 7 is installed at the middle position between the inner saw blade clamp 6 and the outer saw blade clamp 8. A locking nut 9 is threadedly connected to the outside of the outer saw blade clamp 8, and the locking nut 9 is used to limit the inner saw blade clamp 6 and the outer saw blade clamp 8.

[0027] Refer to Figure 1 , one end of the main shaft 4 is installed with a motor pulley. The inner diameters of the inner saw blade clamp 6 and the outer saw blade clamp 8 are adapted to each other. By setting the motor pulley, the main shaft 4 can be driven to rotate.

[0028] Refer to Figure 1 , the single saw blade 7 is sleeved on the inner sides of the inner saw blade clamp 6 and the outer saw blade clamp 8. By setting the inner saw blade clamp 6 and the outer saw blade clamp 8, the wood can be cut.

[0029] Refer to Figure 1 , the locking nut 9 is threadedly connected to the tail end of the main shaft 4. By setting the locking nut 9, the inner saw blade clamp 6 and the outer saw blade clamp 8 can be limited.

[0030] Embodiment 2:

[0031] When using a combined saw blade 16;

[0032] A combined saw blade assembly 10, the combined saw blade 16 is installed inside the combined saw blade assembly 10. The combined saw blade assembly 10 is used to install the combined saw blade 16. The combined saw blade 16 is composed of an inner saw blade clamp 11, a secondary sleeve 12, a secondary sleeve 13, a secondary sleeve 14, and an outer saw blade clamp 15. The secondary sleeve 12, the secondary sleeve 13, the secondary sleeve 14, and the outer saw blade clamp 15 are distributed on the outside of the inner saw blade clamp 11 from right to left in sequence. By setting the secondary sleeves 12, 13, and 14 with different thicknesses, the thickness of the combined saw blade 16 can be changed. A key 17 is installed inside the inner saw blade clamp 11.

[0033] Refer to Figure 2 and Figure 3, the inner diameters of the first secondary sleeve 12, the second secondary sleeve 13, the third secondary sleeve 14 and the second outer saw blade clamp 15 are the same. By setting the first secondary sleeve 12, the second secondary sleeve 13, the third secondary sleeve 14 and the second outer saw blade clamp 15 with the same inner diameter, the installation can be facilitated.

[0034] During use: First, assemble the bearing 1, the main sleeve 2, the bearing seat 3, the main shaft 4, and the bearing end cover 5 together. When using the single saw blade assembly, assemble the first inner saw blade clamp 6, the first outer saw blade clamp 8, and the locking nut 9 on the main shaft 4, and then install the single saw blade 7. When the combined saw blade 16 is needed, remove the single saw blade assembly and replace it with the combined saw blade assembly 10, and then install the combined saw blade 16. The thickness of the combined saw blade 16 is adjusted by the third secondary sleeve 14, the second secondary sleeve 13, and the first secondary sleeve 12 inside the combined saw blade assembly 10. Various styles and thicknesses of combined saw blades 16 can be installed according to requirements. By replacing a small number of parts, the replacement of the single saw blade 7 and the combined saw blade 16 can be realized, enabling a single machine to have the function of installing a single cutting saw blade or a combined cutting saw blade through simple structural interchange, eliminating the need for customers to purchase multiple devices and bringing a better experience to customers.

[0035] Finally, it should be noted that in the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0036] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and defined, the terms "set", "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0037] The above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A circular saw spindle assembly, comprising a spindle (4), a main sleeve (2) being mounted on the outer side of the spindle (4), and a bearing seat (3) being mounted on the inner side of the main sleeve (2), characterized in that: A bearing (1) is arranged on the inner side of the bearing seat (3); a bearing end cover (5) is threadedly connected to the left side of the bearing seat (3); and one end of the main shaft (4) comprises a single-piece saw blade assembly and a combined saw blade assembly (10); A single-piece saw blade assembly, the single-piece saw blade assembly comprising an inner saw blade clamp (6), a single-piece saw blade (7) and an outer saw blade clamp (8), the single-piece saw blade (7) being installed at a middle position between the inner saw blade clamp (6) and the outer saw blade clamp (8), and a locking nut (9) is threadedly connected to the outer side of the outer saw blade clamp (8); A combined saw blade assembly (10), wherein a combined saw blade (16) is installed on the inner side of the combined saw blade assembly (10), wherein the combined saw blade (16) is composed of an inner saw blade clamp (2) (11), a secondary sleeve (12), a secondary sleeve (13), a secondary sleeve (14) and an outer saw blade clamp (2) (15), wherein the secondary sleeve (12), the secondary sleeve (13), the secondary sleeve (14) and the outer saw blade clamp (2) (15) are sequentially distributed on the outer side of the inner saw blade clamp (2) (11) from right to left, and a key (17) is installed on the inner side of the inner saw blade clamp (2) (11).

2. A circular saw spindle assembly according to claim 1, characterized in that: A motor wheel is installed at one end of the main shaft (4), and the inner diameters of the inner saw blade clamp (6) and the outer saw blade clamp (8) are matched.

3. A circular saw spindle assembly according to claim 1, characterized in that: The single saw blade (7) is sleeved on the inner side of the inner saw blade clamp (6) and the outer saw blade clamp (8).

4. The circular saw spindle assembly according to claim 1, characterized in that: The locking nut (9) is threadedly connected to the rear end of the main shaft (4).

5. The circular saw spindle assembly according to claim 1, characterized in that: The inner diameters of the secondary sleeve 1 (12), the secondary sleeve 2 (13), the secondary sleeve 3 (14) and the outer saw blade clamp 2 (15) are consistent.

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