Chain saw blade with reinforced hard alloy tool bit
The design of the reinforced carbide cutter head solves the problem of insufficient welding surface of the traditional chain saw cutter head, achieves higher welding strength, service life and cutting efficiency, and reduces energy consumption.
Patent Information
- Application Number
- CN202422916396.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-28
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-11-28
AI Technical Summary
The welding surface between the blade head and the blade body of a traditional chain saw is too small, resulting in low structural strength, easy to fall off and crack, affecting the service life and stability.
The reinforced carbide cutter head design is adopted. By setting blocks and slots between the cutter head and the cutter head mounting seat, and using inclined surfaces and reinforcing ribs to increase the welding contact surface, the sharp cutting part is designed to improve cutting efficiency.
The welding strength between the cutter head and the cutter body is improved, which avoids falling off and cracking, prolongs the service life, enhances the stability, increases the cutting speed and labor saving, and reduces the energy consumption.
Smart Images
Figure CN223465651U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to chain saw technology field especially chain saw sword of reinforced hard alloy tool bit. BACKGROUND
[0002] A common bimetal chain saw mainly consists of a power output mechanism, a chain and a support plate, and can be divided into an oil saw, an electric saw, a pneumatic saw and a hydraulic saw according to the power output mechanism. As the name implies, the oil chain saw is powered by a gasoline or diesel engine; the electric chain saw is powered by electricity; the pneumatic chain saw is powered by an air compressor; and the hydraulic chain saw is powered by a hydraulic pump station. The chain consists of a tool bit, a connecting piece, a transmission piece and a rivet, and is installed on the support plate and connected to the power output mechanism. When the power output mechanism is in operation, the chain rotates at high speed along the support plate to cut objects. The most important part of the chain is the tool bit. The conventional tool bit is generally made of single ordinary carbon tool steel and processed through punching, bending, extrusion, heat treatment and grinding, and finally installed on the chain for cutting.
[0003] In the process of heavy load use, the welding surface between the tool bit and the tool body of the existing chain saw sword is too small, resulting in low structural strength and easy falling off and cracking. In order to ensure the service life and stability of the tool bit under heavy load, the applicant has made beneficial design and found a method to solve the above problems. The technical scheme to be introduced below is generated in this background. SUMMARY
[0004] The utility model discloses to overcome the deficiency of the traditional chain saw sword design, provide a kind of product of improving service life, improving stability, labor-saving.
[0005] To solve the above problems, the utility model adopts the following technical scheme.
[0006] A kind of chain saw sword of reinforced hard alloy tool bit, including base body, tool bit, the side of the base body is equipped with tool bit mounting seat, the tool bit mounting seat is equipped with plug-in block, and protrudes the side of the tool bit mounting seat, the tool bit is equipped with the insertion slot for plug-in block insertion, the side wall surface of the insertion slot and plug-in block and the bottom of tool bit and tool bit mounting seat are mutually abutted, and the both are connected and fixed by welding process, the side of the tool bit is equipped with inclined first cutting part, second cutting part, the top of the plug-in block is equipped with first inclined surface, the insertion slot is equipped with second inclined surface corresponding to first inclined surface, and mutually abutted.
[0007] Preferably, the plug-in block protruding the side wall of the tool bit mounting seat is equipped with reinforcing rib, and the side wall of the plug-in block is equipped with at least three pressure surfaces.
[0008] Preferably, the insertion slot is further provided with a contact surface corresponding to the pressure surface, and the two contact surfaces abut against each other.
[0009] Preferably, the first cutting part and the second cutting part are connected to each other, and the intersection of the two is sharp.
[0010] Preferably, the base body is provided with a cutting groove on one side, in front of the cutter head, and the base body is provided with at least two mounting holes.
[0011] Preferably, the cutter head mounting seat is provided in an L shape.
[0012] Beneficial effects:
[0013] Compared with the prior art, the utility model has the beneficial effects that:
[0014] (1) The utility model discloses a first inclined surface and a second inclined surface abut against each other, an insertion block and an insertion slot abut against each other, and a cutter head mounting seat and a cutter head abut against each other, thereby greatly increasing the welding contact surface of the cutter head and the cutter head mounting seat, improving the welding strength, avoiding the cutter head from falling off and cracking, ensuring the service life and stability of the cutter head under heavy load, and making the product have the advantages of improving the service life and improving the stability.
[0015] (2) The utility model discloses a first cutting part and a second cutting part, which improve the cutting efficiency, and the intersection of the first cutting part and the second cutting part is sharp, thereby effectively improving the cutting speed and sharpness, reducing the load of the chain saw power source, making the chain sawing more relaxed and labor-saving, and reducing the energy consumption of the chain saw.
[0016] (3) The utility model discloses an insertion block, which is convenient for the cutter head to be quickly and accurately welded and positioned, plays a foolproof design, and improves the production yield. BRIEF DESCRIPTION OF DRAWINGS
[0017] Fig. 1 It is a finished product structure schematic view of the chain saw knife of the reinforced hard alloy cutter head of the utility model;
[0018] Fig. 2 It is a base body structure schematic view of the chain saw knife of the reinforced hard alloy cutter head of the utility model;
[0019] Fig. 3 It is a cutter head structure schematic view of the chain saw knife of the reinforced hard alloy cutter head of the utility model;
[0020] The correspondence between the annotations of the drawings and the component names in the drawings is as follows:
[0021] Marked: 1, base; 2, tool bit; 11, tool bit mounting seat; 12, plug; 13, reinforcing rib; 14, first inclined surface; 15, pressure bearing surface; 16, cutting groove; 17, mounting hole; 21, insertion slot; 22, first cutting part; 23, second cutting part; 24, second inclined surface; 25, abutting surface. DETAILED DESCRIPTION
[0022] The technical solutions of the utility model will be described below in conjunction with the embodiments, obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the scope of protection of the utility model.
[0023] In the description of the utility model, it needs to be understood that the orientation or position relation indicated by the terms such as 'up', 'down', 'left', 'right' in the specification is the orientation or position relation based on the orientation or position relation shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.
[0024] In the embodiments of the utility model, 'and / or' is only a kind of description of the association relation of associated object, it can represent that there are three kinds of conditions, for example, A and / or B, can represent: exist A alone, exist A and B simultaneously, exist B alone.These three cases.In addition, the character ' / ' in this paper generally indicates that the front and rear associated objects are a kind of 'or' relationship.
[0025] Reference Example Figs. 1 to 3 A chain saw blade of reinforced hard alloy tool bit, including base 1, tool bit 2, the side of base 1 is equipped with tool bit mounting seat 11, tool bit mounting seat 11 is equipped with plug 12, and the side of tool bit mounting seat 11 is protruded, tool bit 2 is equipped with the insertion slot 21 for plug 12 insertion, the side wall surface of insertion slot 21 and the bottom of plug 12 and tool bit 2 and tool bit mounting seat 11 are mutually abutted, and the two are connected and fixed by welding process, the side of tool bit 2 is equipped with inclined first cutting part 22, second cutting part 23, the top of plug 12 is equipped with first inclined surface 14, insertion slot 21 is equipped with second inclined surface 24 corresponding to first inclined surface 14, and mutually abutted, through first inclined surface 14 and second inclined surface 24 mutually abut, plug 12 and insertion slot 21 mutually abut, tool bit mounting seat 11 and tool bit 2 mutually abut, greatly increase the welding contact surface of tool bit 2 and tool bit mounting seat 11, further improve the welding strength, avoid the tool bit 2 to appear to fall off and crack, ensure the service life and stability of tool bit 2 under heavy load work, through plug 12, it is convenient for tool bit 2 to be welded and positioned accurately, play the foolproof design, improve production yield;
[0026] It is worth mentioning that the reinforcing ribs 13 are arranged between the plug-in block 12 of the convex tool bit mounting seat 11 and the side wall of the tool bit mounting seat 11, the side wall of the plug-in block 12 is provided with at least three pressure bearing surfaces 15, the contact area of the plug-in block 12 and the tool bit mounting seat 11 is increased through the reinforcing ribs 13, the plug-in block 12 on one side of the convex tool bit mounting seat 11 increases the contact area of the tool bit mounting seat 11 and the tool bit 2, and the pressure bearing surface 15 provides more support points for the tool bit 2;
[0027] It is worth mentioning that the plug-in slot 21 is also provided with abutting surfaces 25 corresponding to the pressure bearing surfaces 15, and the abutting surfaces 25 abut against each other, and the welding contact area with the pressure bearing slot is increased through the plurality of abutting surfaces 25;
[0028] It is worth mentioning that the first cutting part 22 and the second cutting part 23 are connected to each other, and the intersection of the two is sharp, and the cutting efficiency is improved through the first cutting part 22 and the second cutting part 23, and at the same time, the intersection of the first cutting part 22 and the second cutting part 23 is sharp, which effectively improves the cutting speed and sharpness, so as to reduce the load of the chain saw power source, makes the chain saw more relaxed and saves labor, and reduces the energy consumption of the chain saw;
[0029] It is worth mentioning that the cutting groove 16 is arranged on one side of the base body 1 and located in front of the tool bit 2, and the base body 1 is provided with at least two mounting holes 17, the cutting groove 16 increases the contact area with the material during cutting, and the cutting efficiency is further improved, the mounting hole 17 facilitates the insertion of fasteners, and the plurality of base bodies 1 are connected to each other;
[0030] It is worth mentioning that the tool bit mounting seat 11 is arranged in an L shape, and the L-shaped tool bit mounting seat 11 increases the welding contact area with the tool bit 2.
[0031] The above design scheme can realize the advantages of improving the service life, improving the stability, saving labor, and improving the yield of the product.
[0032] The above content is further described in detail in combination with the specific embodiments, and cannot be considered as being limited to these descriptions. For ordinary skilled persons in the technical field to which the present application belongs, without departing from the concept of the present application, a number of simple deductions or substitutions can be made, and all of them should be considered as belonging to the protection scope determined by the claims of the present application.
Claims
1. A chain saw bar for a reinforced carbide tip, comprising a base (1), a tip (2), a tip mounting seat (11) being provided on one side of the base (1), characterized in that: The tool head mounting seat (11) is provided with an insertion block (12) protruding from one side of the tool head mounting seat (11), the tool head (2) is provided with an insertion slot (21) for the insertion block (12), the side wall surface of the insertion slot (21) and the insertion block (12) and the bottom of the tool head (2) and the tool head mounting seat (11) are in abutment with each other, and the two are fixedly connected by a welding process, one side of the tool head (2) is provided with an inclined first cutting part (22) and a second cutting part (23), the top of the insertion block (12) is provided with a first inclined surface (14), the insertion slot (21) is provided with a second inclined surface (24) corresponding to the first inclined surface (14) and in abutment with each other.
2. A chain saw bar of a reinforced carbide tip according to claim 1, characterized in that: The insertion block (12) protruding from the tool head mounting seat (11) is provided with a reinforcing rib (13) between the side wall of the tool head mounting seat (11), the side wall of the insertion block (12) is provided with at least three pressure bearing surfaces (15).
3. A chain saw bar of a reinforced carbide tip according to claim 2, characterized in that: The insertion slot (21) is also provided with a contact surface (25) corresponding to the pressure bearing surface (15) and in abutment with each other.
4. A chain saw bar of a reinforced carbide tip according to claim 1, characterized in that: The first cutting part (22) and the second cutting part (23) are connected with each other, and the intersection thereof is sharp.
5. A chain saw bar of a reinforced carbide tip according to claim 1, characterized in that: One side of the base body (1) is provided with a cutting groove (16) in front of the tool head (2), and the base body (1) is provided with at least two mounting holes (17).
6. A chain saw bar of a reinforced carbide tip according to any one of claims 2 to 5, characterized in that: The tool head mounting seat (11) is provided in an L shape.