Saw blade replacement assembly and edge trimmer

By setting assembly and reinforcing components on the shaft of the trimmer, and utilizing the plug-in design of the stabilizer and reinforcing rods, the problem of saw blade loosening due to vibration during high-speed operation is solved, thereby improving the fixation stability of the saw blade and processing safety.

CN223748675UActive Publication Date: 2026-01-02FREEWON CHINA CO LTD
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Patent Information

Application Number
CN202520244700.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-17
Publication Date
2026-01-02
Estimated Expiration
2035-02-17

AI Technical Summary

Technical Problem

The saw blades on existing trimming machines are prone to loosening due to machine vibration during high-speed operation, leading to displacement or shaking, which affects processing safety.

Method used

Assembly components and reinforcing components are set on the shaft. The fixing stability of the saw blade is improved by designing stabilizing bars and reinforcing bars. This includes setting stabilizing holes and grooves on the side wall of the saw blade, fixing it by inserting stabilizing bars and reinforcing bars, and strengthening the fixing by rotating rubber rods and elliptical plates.

Benefits of technology

It improves the fixation and stability of the saw blade, reduces the possibility of saw blade deviation or vibration, and enhances the processing safety of the trimming machine.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of edge trimmers, in particular to a saw blade replacement assembly and an edge trimmer, which comprises a motor and a shaft lever arranged on an output shaft of the motor, and a circular saw blade is movably inserted into the peripheral wall of the shaft lever; an assembling assembly is arranged on the side wall of the shaft rod and used for fixing the circular saw blade. A reinforcing assembly is arranged in the shaft rod and used for limiting the assembling assembly. According to the saw blade replacing assembly and the edge trimmer, the assembling assembly is arranged on the side wall of the shaft rod, and during assembling, the stabilizing rod on the assembling assembly penetrates through the circular saw blade and is inserted into the stabilizing groove, so that the stability of the circular saw blade when the circular saw blade is clamped and fixed can be improved, and the situation that the circular saw blade deviates or shakes is reduced; and meanwhile, the reinforcing assembly is arranged in the shaft rod, so that the second assembly part can be further reinforced and fixed, and the fixity and stability of the second assembly part during assembly are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of edge trimmer, concretely is a saw blade replacement subassembly and edge trimmer. BACKGROUND

[0002] The edge trimmer is a kind of machine for trimming the edge of product, with the advantages of quick cutting and high cutting precision, mainly used for the edge cutting and trimming of rubber product to meet the requirements of size, appearance and precision.

[0003] The saw blade on the existing edge trimmer is mainly fixed on the clamp of shaft by nut extrusion, since the saw blade is replaced periodically when being used, however, nut is prone to wear and thread slipping in the process of repeated disassembly and assembly, so that nut is prone to loosening due to machine vibration in the process of high speed of saw blade, thereby causing the phenomenon of deviation or shaking of saw blade, which can affect the safety of edge trimmer processing. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of saw blade replacement subassembly and edge trimmer to solve the problem that nut on the edge trimmer is prone to loosening due to machine vibration in the process of high speed of saw blade, thereby causing the phenomenon of deviation or shaking of saw blade, which can affect the safety of edge trimmer processing.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of saw blade replacement subassembly and edge trimmer, including motor and the shaft of motor output shaft, the outer peripheral wall of the shaft is movably inserted with circular saw blade;

[0006] Assembly component, the assembly component is arranged on the side wall of shaft, and the assembly component is used to fix circular saw blade, and the assembly component includes first assembly part, and the first assembly part is fixedly connected to the outer peripheral wall of shaft, and the side wall of the first assembly part is provided with stabilizing rod, and the stabilizing rod is fixedly connected to the side wall of first assembly part, and the stabilizing rod penetrates the side wall of circular saw blade;

[0007] Reinforcing component, the reinforcing component is arranged in the inside of shaft, and the reinforcing component is used to limit assembly component, and the reinforcing component includes reinforcing rod, and the reinforcing rod penetrates the upper and lower sides of shaft, and two groups of reinforcing rod are provided with oval plate between.

[0008] Preferably, the assembly component further includes second assembly part, the second assembly part is sleeved on the outer peripheral wall of shaft, and the second assembly part and first assembly part are oppositely arranged, and the circular saw blade is installed between the second assembly part and first assembly part.

[0009] Preferably, the side wall of the circular saw blade is provided with a stabilizing hole, the side wall of the second assembly part is provided with a plurality of stabilizing grooves, and the stabilizing rod penetrates through the stabilizing hole and is inserted into the stabilizing grooves.

[0010] Preferably, the side wall of the shaft rod is provided with a clamping groove, and the inner wall of the second assembly part is fixedly connected with a clamping piece which is inserted into the inner wall of the clamping groove.

[0011] Preferably, the end side of the shaft rod is threadedly connected with a fixing piece which abuts against the side wall of the second assembly part, and the side walls of the second assembly part and the first assembly part are both provided with gaskets.

[0012] Preferably, the reinforcing assembly further comprises a rubber rod which is fixedly connected to the side wall of the elliptical plate, the elliptical plate is rotationally connected to the inside of the shaft rod, and the reinforcing rod is slidingly connected to the outer peripheral wall of the elliptical plate.

[0013] Preferably, the inner wall of the second assembly part is provided with a reinforcing groove, and the reinforcing rod is inserted into the reinforcing groove.

[0014] A trimming machine comprises the saw blade replacing assembly.

[0015] Compared with the prior art, the saw blade replacing assembly has the advantages that the stabilizing rod of the assembly part penetrates through the circular saw blade and is inserted into the stabilizing grooves when the assembly part is assembled, so that the stability of the circular saw blade when clamped and fixed is improved, and the situation that the circular saw blade deviates or shakes is reduced.

[0016] Meanwhile, the reinforcing assembly is arranged in the inside of the shaft rod, and the reinforcing rod of the reinforcing assembly is inserted into the second assembly part, so that the second assembly part is further reinforced and fixed, and the fixity and stability of the second assembly part when assembled are improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 FIG. 1 is a three-dimensional structural schematic view of the circular saw blade;

[0018] Figure 2 FIG. 5 is a structural schematic view of the fixing piece;

[0019] Figure 3 FIG. 7 is an expanded structural schematic view of the assembly part;

[0020] Figure 4 FIG. 9 is a structural schematic view of the second assembly part;

[0021] Figure 5 FIG. 11 is a sectional structural schematic view of the shaft rod;

[0022] Figure 6This is a schematic diagram of the overall structure of the motor of this utility model.

[0023] In the diagram: 1. Motor; 2. Circular saw blade; 201. Shaft; 3. Assembly assembly; 301. First assembly part; 302. Stabilizer bar; 3021. Stabilizer hole; 3022. Stabilizer groove; 303. Second assembly part; 3031. Clip; 3032. Clip groove; 304. Fixing part; 305. Shim; 4. Reinforcing assembly; 401. Reinforcing rod; 4011. Reinforcing groove; 402. Elliptical plate; 403. Rubber rod. Detailed Implementation

[0024] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0025] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0026] like Figures 1-6 As shown, this application provides a saw blade replacement assembly and an edge trimmer, including a motor 1 and a shaft 201 disposed on the output shaft of the motor 1, with a circular saw blade 2 movably inserted into the outer peripheral wall of the shaft 201;

[0027] Specifically, such as Figure 2 As shown, an assembly assembly 3 is provided on the side wall of the shaft 201. The assembly assembly 3 is used to fix the circular saw blade 2. The assembly assembly 3 includes a first assembly part 301, which is fixedly connected to the outer peripheral wall of the shaft 201. A stabilizing rod 302 is provided on the side wall of the first assembly part 301. The stabilizing rod 302 is fixedly connected to the side wall of the first assembly part 301 and penetrates the side wall of the circular saw blade 2.

[0028] A second fitting 303 is sleeved on the outer peripheral wall of the shaft 201. The second fitting 303 and the first fitting 301 are arranged opposite to each other. The circular saw blade 2 is installed between the second fitting 303 and the first fitting 301. By setting a stabilizing rod 302 on the side wall of the first fitting 301, and by passing the stabilizing rod 302 through the circular saw blade 2 and inserting it into the inside of the stabilizing groove 3022, the stability of the circular saw blade 2 when it is clamped and fixed can be improved, and the circular saw blade 2 can be prevented from easily loosening from the shaft 201 when rotating at high speed, thus avoiding displacement or shaking.

[0029] Specifically, such as Figure 4As shown, the side wall of the circular saw blade 2 is provided with a stabilizing hole 3021, the side wall of the second assembly part 303 is provided with a plurality of stabilizing grooves 3022, the stabilizing rod 302 penetrates through the stabilizing hole 3021 and is inserted into the stabilizing grooves 3022.

[0030] The side wall of the shaft rod 201 is provided with a clamping groove 3032, the inner wall of the second assembly part 303 is fixedly connected with a clamping part 3031, the clamping part 3031 is inserted into the inner wall of the clamping groove 3032, when the second assembly part 303 is installed, the stabilizing grooves 3022 and the stabilizing rod 302 can be accurately docked and installed by inserting the clamping part 3031 into the clamping groove 3032, thereby improving the convenience during installation.

[0031] The end side of the shaft rod 201 is threadedly connected with a fixing part 304, the fixing part 304 abuts against the side wall of the second assembly part 303, the side walls of the second assembly part 303 and the first assembly part 301 are both provided with a gasket 305, the second assembly part 303 can be fixed by threadedly rotating the fixing part 304 until the fixing part 304 abuts against the second assembly part 303.

[0032] The gasket 305 can improve the tightness when the circular saw blade 2 is clamped and fixed.

[0033] Specifically, as shown in the figure, Figure 5 As shown, the inside of the shaft rod 201 is provided with a reinforcing assembly 4, the reinforcing assembly 4 is used for limiting the assembly part 3, the reinforcing assembly 4 comprises reinforcing rods 401, the reinforcing rods 401 penetrate through the upper and lower sides of the shaft rod 201, and an oval plate 402 is arranged between the two reinforcing rods 401.

[0034] The side wall of the oval plate 402 is fixedly connected with a rubber rod 403, the oval plate 402 is rotationally connected in the inside of the shaft rod 201, and the reinforcing rods 401 are slidingly connected to the outer peripheral wall of the oval plate 402, by rotating the rubber rod 403 and the oval plate 402 until the rubber rod 403 is rotated to be vertical, the oval plate 402 will extrude the two reinforcing rods 401 to the two sides, at this time, the reinforcing rods 401 will be inserted into the reinforcing grooves 4011 of the second assembly part 303 by inertia, for further reinforcing and fixing, thereby improving the fixity and stability of the second assembly part 303 and avoiding the situation that the second assembly part 303 is prone to rotating and loosening.

[0035] The inner wall of the second assembly part 303 is provided with reinforcing grooves 4011, and the reinforcing rods 401 are inserted into the inside of the reinforcing grooves 4011.

[0036] A trimming machine comprises the saw blade replacing assembly.

[0037] The specific scheme is: first, rotate the fixed part 304 outward, rotate the rubber rod 403 and the oval plate 402, until the rubber rod 403 is rotated to be horizontal, the oval plate 402 drives the two groups of reinforcing rods 401 to shrink inward in the shaft 201, then the second assembly part 303 and the circular saw blade 2 are taken out from the shaft 201, finally, install a new circular saw blade 2 in the reverse order according to the above steps.

[0038] Those skilled in the art will understand that the above discussion of any of the embodiments is merely exemplary; the technical features among the above embodiments or different embodiments can also be combined under the idea of the present application, the steps can be implemented in any order, and there are many other changes of different aspects of the present application as described above, which are not provided in details for the sake of simplicity.

[0039] The present application is intended to cover all such alternatives, modifications, and variations as fall within the broad scope of the appended claims. Accordingly, any and all such alternatives, modifications and variations are intended to be encompassed by the appended claims.

Claims

1. A saw blade replacement assembly, comprising a motor (1) and a shaft rod (201) provided on the output shaft of the motor (1), and a circular saw blade (2) movably inserted into the outer wall of the shaft rod (201); characterized in that an assembly component (3) is provided on the side wall of the shaft rod (201), and the assembly component (3) is used for fixing the circular saw blade (2), and the assembly component (3) comprises a first assembly part (301) fixedly connected to the outer wall of the shaft rod (201), and a stabilizing rod (302) provided on the side wall of the first assembly part (301) and fixedly connected to the side wall of the first assembly part (301), and the stabilizing rod (302) penetrates through the side wall of the circular saw blade (2); and a reinforcing component (4) is provided inside the shaft rod (201), and the reinforcing component (4) is used for limiting the assembly component (3), and the reinforcing component (4) comprises reinforcing rods (401) penetrating through the upper and lower sides of the shaft rod (201), and an elliptical plate (402) provided between the two groups of reinforcing rods (401). The assembly component (3) further comprises a second assembly part (303) sleeved on the outer wall of the shaft rod (201), and the second assembly part (303) and the first assembly part (301) are oppositely arranged, and the circular saw blade (2) is mounted between the second assembly part (303) and the first assembly part (301). The side wall of the circular saw blade (2) is provided with a stabilizing hole (3021), the side wall of the second assembly part (303) is provided with a plurality of stabilizing grooves (3022), the stabilizing rod (302) penetrates through the stabilizing hole (3021) and is inserted into the stabilizing grooves (3022).

2. A blade exchange assembly according to claim 1, wherein, The side wall of the shaft rod (201) is provided with a clamping groove (3032), and a clamping part (3031) is fixedly connected to the inner wall of the second assembly part (303) and is inserted into the inner wall of the clamping groove (3032).

3. A blade exchange assembly according to claim 2, wherein, The end side of the shaft rod (201) is threadedly connected with a fixing part (304), the fixing part (304) abuts against the side wall of the second assembly part (303), and the side walls of the second assembly part (303) and the first assembly part (301) are both provided with a gasket (305).

4. A blade exchange assembly according to claim 3, wherein, The reinforcing component (4) further comprises a rubber rod (403) fixedly connected to the side wall of the elliptical plate (402), the elliptical plate (402) is rotationally connected inside the shaft rod (201), and the reinforcing rods (401) are slidingly connected to the outer wall of the elliptical plate (402).

5. A blade changing assembly according to claim 4, wherein, The inner wall of the second assembly part (303) is provided with a reinforcing groove (4011), and the reinforcing rods (401) are inserted into the reinforcing groove (4011).

6. A blade exchange assembly according to claim 1 wherein, The saw blade replacement assembly according to any one of claims 1-7.

7. A blade changing assembly according to claim 2, wherein, ​ 8. A trimming machine characterized by ​