A positioning device for saw blade grinding

By employing multiple inclined positioning grooves and beveled structures in the saw blade grinding positioning device, combined with the design of fixed blocks and movable blocks, the problems of unstable saw blade positioning and limited angle adjustment are solved, achieving efficient and stable saw tooth processing, which is suitable for various saw blade processing scenarios.

CN224463827UActive Publication Date: 2026-07-07NANJING KUN ZHI JIE MECHANICAL & ELECTRICAL EQUIP CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NANJING KUN ZHI JIE MECHANICAL & ELECTRICAL EQUIP CO LTD
Filing Date
2025-08-08
Publication Date
2026-07-07

AI Technical Summary

Technical Problem

Existing saw blade grinding and positioning devices suffer from problems such as unstable saw blade positioning, limited angle adjustment, and low processing efficiency.

Method used

A positioning device comprising a base, a fixed block, and a movable block was designed. It employs multiple inclined positioning grooves and a beveled structure, combined with precision notches and clearance grooves, to achieve high-precision positioning and stable fixation of the saw blade, and is used in conjunction with a multi-tooth grinding wheel for one-time forming grinding.

Benefits of technology

It improves the processing quality and efficiency of saw teeth, ensures the stability and precision of the saw blade during the grinding process, is suitable for various processing scenarios, and meets the needs of mass production.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224463827U_ABST
    Figure CN224463827U_ABST
Patent Text Reader

Abstract

This utility model provides a positioning device for saw blade tooth grinding, belonging to the technical field of saw blade processing equipment, including a saw blade and a positioning device. The positioning device consists of a base, a fixed block, a movable block, and multiple inclined positioning grooves. The positioning groove on the upper surface of the base is inclined at 60° to the front surface, adapting to the inclined surface of the bottom end of the saw blade, and cooperating with a multi-tooth grinding wheel to achieve inclined tooth profile grinding, improving cutting efficiency. The fixed block and the movable block are engaged with the saw blade head and connecting part through notches, combined with a 10° inclined surface clamping design to prevent the saw blade from shifting or tilting in the horizontal and vertical directions during grinding, ensuring positioning stability. The clearance groove is precisely matched with the bottom end of the saw blade, distributing the force and reducing processing errors. The movable block is detachable, facilitating saw blade loading and unloading, and making operation convenient. The grinding wheel shaft can rotate and swing up and down to compensate for the angle deviation of the grinding surface, achieving efficient one-time forming. This utility model solves the problems of unstable positioning, limited angle adjustment, and low efficiency of existing devices.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of saw blade processing equipment technology, and in particular to a positioning device for saw blade grinding teeth. Background Technology

[0002] As a widely used tool for cutting materials such as wood and metal, the saw blade's tooth processing precision and quality directly affect cutting efficiency and service life. In the saw blade production process, tooth grinding is one of the key steps, and the positioning and fixing of the saw blade are crucial for ensuring grinding precision. Traditional saw blade tooth positioning devices often employ simple clamping mechanisms or fixing fixtures, but these have the following problems: First, the saw blade is prone to horizontal or vertical displacement during grinding, leading to uneven tooth profiles or large processing errors; second, the fixing stability of different parts of the saw blade is insufficient, especially at the head or tail, where uneven force can easily cause it to tilt, affecting the grinding quality; third, existing devices have limited ability to adjust the saw blade's tilt angle, failing to meet the requirements of specific cutting angles and limiting the saw blade's performance in special application scenarios.

[0003] To address these issues, some improved positioning devices have emerged on the market. These devices enhance stability by adding clamping mechanisms or adjusting the fixture structure. However, these devices are typically complex in structure, inconvenient to operate, and their precision control over the saw blade angle remains insufficient. Furthermore, some positioning devices cannot effectively adapt to the one-step forming requirements of multi-tooth grinding wheels, resulting in low processing efficiency or the need for multiple grinding operations, thus increasing production costs.

[0004] Therefore, designing a saw blade positioning device that is simple in structure, easy to operate, stable in positioning, and adaptable to grinding requirements at specific tilt angles has become a technical problem that urgently needs to be solved in this field. Utility Model Content

[0005] The purpose of this section is to outline some aspects of the embodiments of this utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of this section, the abstract and the title of this utility model. Such simplifications or omissions shall not be used to limit the scope of this utility model.

[0006] In view of the problems existing in the above and / or prior art, the present invention is proposed.

[0007] Therefore, this utility model aims to solve the problems of unstable saw blade positioning, limited angle adjustment, and low processing efficiency in existing saw blade grinding and positioning devices.

[0008] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a positioning device for grinding saw blade teeth, including a saw blade and a positioning device. The positioning device includes a base, a fixing block is fixedly installed on the right side of the base by bolts, and a movable block is fixedly installed on the left side of the base by bolts. A positioning groove is opened on the upper surface of the base, and the saw blade is fixedly engaged in the positioning groove by the fixing block and the movable block.

[0009] As a preferred embodiment of the positioning device for grinding saw blade teeth according to the present invention, the fixed block has a first notch on the side near the positioning groove, the movable block has a second notch on the side near the positioning groove, the head of the saw blade is engaged in the first notch, and the connecting part of the saw blade is engaged in the second notch.

[0010] As a preferred embodiment of the positioning device for grinding saw teeth according to the present invention, a plurality of positioning grooves are provided, and the plurality of positioning grooves are inclined at 60° to the front surface of the base.

[0011] As a preferred embodiment of the positioning device for grinding saw teeth according to the present invention, the inner bottom wall of the positioning groove is provided with a first inclined surface, and the first inclined surface is adapted to the inclined surface at the bottom end of the saw blade.

[0012] As a preferred embodiment of the positioning device for grinding saw teeth according to the present invention, a second inclined surface is provided on the outer side of the fixing block.

[0013] As a preferred embodiment of the positioning device for grinding saw teeth according to the present invention, a clearance groove is provided at the left end of the bottom surface of the positioning groove, and the bottom end of the saw blade abuts against the bottom surface of the clearance groove.

[0014] As a preferred embodiment of the positioning device for grinding saw teeth according to the present invention, wherein: a plurality of saw blades are fixedly positioned in a plurality of positioning grooves, and the upper surfaces of the plurality of saw blades extend to the outside of the plurality of positioning grooves.

[0015] The beneficial effects of this invention are as follows: This device achieves high-precision positioning of the saw blade through multiple inclined positioning grooves on the base, ensuring that the ground saw teeth have a specific angle, thereby improving cutting efficiency and processing quality. The coordinated clamping design of the fixed block and the movable block, combined with the precise notch and inclined surface structure, effectively prevents the saw blade from shifting or lifting horizontally or vertically during the grinding process, ensuring processing stability. The fit between the clearance groove and the inclined surface at the bottom of the saw blade further enhances the tightness of positioning and the uniformity of force distribution, reducing processing errors. In addition, the device has a simple structure, and the detachable design of the movable block facilitates the quick loading and unloading of the saw blade, significantly improving operating efficiency. Combined with a multi-tooth grinding wheel and an adjustable grinding wheel shaft, it can achieve efficient one-time forming grinding, meeting the needs of mass production. It is suitable for various saw blade processing scenarios and has high practical value and promising prospects for promotion. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0018] Figure 2 This is a front view of the present invention;

[0019] Figure 3 This is a sectional view of the connection between the saw blade and the positioning groove of this utility model.

[0020] Figure 4 This is a sectional view of the positioning groove in the positioning device of this utility model. Detailed Implementation

[0021] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0022] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0023] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not according to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, actual manufacturing should include the three-dimensional spatial dimensions of length, width, and depth.

[0024] Furthermore, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0025] Example

[0026] Referring to the figures, this embodiment provides a positioning device for saw blade tooth grinding, including a saw blade 100 and a positioning device 200. It aims to provide high-precision and stable positioning support for saw blade tooth grinding, ensuring the fixation of the saw blade 100 and the accuracy of tooth profile machining during the grinding process. The saw blade 100, as the workpiece to be processed, has a specific shaped head bevel and a left-end connecting portion. Its bottom end is provided with a bevel structure adapted to processing requirements, used to achieve optimized cutting performance during the cutting process. The positioning device 200 includes a base 201, a fixing block 202, a movable block 203, and a positioning groove 204. The overall structural design is scientific and reasonable, effectively fixing the saw blade 100 and adapting to the grinding process of multi-tooth grinding wheels, ensuring processing efficiency and quality.

[0027] Specifically, the base 201, as the core supporting component of the positioning device 200, is made of high-strength material, possessing excellent rigidity and stability. Its upper surface is precision-machined to form multiple positioning grooves 204 for accommodating and fixing multiple saw blades 100. The fixing block 202 is securely mounted to the right side of the base 201 with bolts. A first notch 202a is provided on the side near the positioning grooves 204 for precisely engaging the head of the saw blade 100. The head of the saw blade 100 has a beveled edge at a specific angle, precisely matching the shape of the first notch 202a. When the saw blade 100 engages with the first notch 202a, it effectively prevents the right end of the saw blade from lifting due to uneven force during the grinding process, thus ensuring the horizontal stability of the saw blade 100 during processing. The outer side of the fixing block 202 also has a second inclined surface 202b, designed with a 10° inclination angle. When pressed together with the clamping block on the equipment, this simultaneously restricts the horizontal and vertical displacement of the saw blade 100, further enhancing the stability of the positioning device 200 and ensuring grinding accuracy.

[0028] Furthermore, the movable block 203 is detachably fixed to the left side of the base 201 by bolts. A second notch 203a is provided on the side near the positioning groove 204 for engaging the left end connection of the saw blade 100. The structural design of the second notch 203a matches the protruding shape of the left end of the saw blade 100. By tightening the bolts to create a 2-3mm gap between the movable block 203 and the base 201, the saw blade 100 can be firmly clamped, preventing the left end of the saw blade from lifting or shifting due to the cutting force of the grinding wheel during tooth grinding. The detachable design of the movable block 203 facilitates the loading and unloading of the saw blade 100. Simply loosening the bolts allows for quick placement or removal of the saw blade 100 into the positioning groove 204, significantly improving operational efficiency while ensuring the reliability of the clamping.

[0029] Furthermore, multiple positioning grooves 204 are provided, arranged regularly along the upper surface of the base 201, with the bottom of each positioning groove 204 inclined at 60° to the front surface of the base 201. This inclined design allows the saw blade 100 to be placed at a specific angle within the positioning groove 204. When the multi-tooth grinding wheel rotates and moves from back to front and passes over the upper surface of the saw blade 100, it can grind teeth with a certain bevel on its upper surface. This beveled tooth shape can significantly improve the cutting efficiency and surface quality of the saw blade 100 in actual cutting, and is particularly suitable for applications with high requirements for cutting performance.

[0030] Preferably, the inner bottom wall of the positioning groove 204 is provided with a first inclined surface 204a, the inclination angle of which is precisely matched with the inclined surface at the bottom of the saw blade 100, ensuring that the saw blade 100 fits tightly in the groove, avoiding minor displacement during the processing, and further improving the accuracy and consistency of the grinding teeth.

[0031] In addition, a clearance groove 204b is provided at the left end of the bottom surface of the positioning groove 204. Its depth and shape match the protruding structure at the bottom of the saw blade 100. The bottom of the saw blade 100 is in close contact with the bottom surface of the clearance groove 204b, which can effectively disperse the force during the grinding process and prevent the saw blade 100 from deforming or shifting due to local stress concentration.

[0032] It should be noted that the positioning device 200 is located below the multi-tooth grinding wheel, which is mounted on the rear side above the base 201. The grinding wheel shaft can not only rotate but also move by fixing the right end and swinging the left end up and down through a hinge-like mechanism to compensate for the problem of uneven grinding surfaces caused by angular deviations after the saw blade 100 is placed. The multi-tooth grinding wheel can perform preliminary shaping grinding on the upper surface of the saw blade 100 in one movement, forming a tooth-like structure. Subsequently, a second grinding process is used to further refine the tooth shape, ensuring that both cutting surfaces of each tooth meet the design requirements. Multiple saw blades 100 can be simultaneously fixed in multiple positioning grooves 204, and the upper surface of each saw blade 100 extends to the outside of the positioning groove 204 to ensure that the multi-tooth grinding wheel can fully contact the area to be processed on the saw blade 100, achieving efficient and continuous grinding operations.

[0033] Through the above structural design, the saw blade grinding positioning device of this utility model can achieve high-precision positioning and stable fixation of the saw blade 100 during the grinding process, significantly improving the quality and efficiency of tooth profile processing. Its inclined groove design and beveled surface fit structure effectively optimize the cutting angle of the saw teeth, adapting to various processing requirements; the coordinated clamping mechanism of the movable block 203 and the fixed block 202, combined with the precise engagement of the clearance groove 204b and the first notch 202a, ensures the all-around stability of the saw blade 100 during the grinding process; the cooperation between the multi-tooth grinding wheel and the adjustable grinding wheel shaft further enhances processing flexibility and precision. This device has a simple structure, is easy to operate, and has a wide range of applications, making it particularly suitable for batch saw blade grinding, meeting the demands of modern industry for high-efficiency, high-quality saw blade production.

[0034] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible (e.g., changes in the size, dimensions, structure, shape and proportion of various elements, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in this application). For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of this utility model. The order or sequence of any process or method steps may be changed or rearranged according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and not only structural equivalents but also equivalent structures. Without departing from the scope of this invention, other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments. Therefore, this invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0035] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of actual embodiments (i.e., those features that are not relevant to the best mode of carrying out the present invention as currently considered, or those features that are not relevant to implementing the present invention) may be omitted.

[0036] It should be understood that numerous specific implementation decisions can be made during the development of any practical implementation, such as in any engineering or design project. Such development efforts may be complex and time-consuming, but for those skilled in the art who benefit from this disclosure, the development effort will be a routine work of design, manufacturing, and production without requiring much experimentation.

[0037] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A positioning device for grinding saw teeth, characterized in that: include, Saw blade (100); and, The positioning device (200) includes a base (201), a fixing block (202) is fixedly installed on the right side of the base (201) by bolts, and a movable block (203) is fixedly installed on the left side of the base (201) by bolts. A positioning groove (204) is provided on the upper surface of the base (201), and the saw blade (100) is fixed in the positioning groove (204) by the fixing block (202) and the movable block (203).

2. The positioning device for saw blade grinding teeth according to claim 1, characterized in that: The fixed block (202) has a first notch (202a) on the side near the positioning groove (204), and the movable block (203) has a second notch (203a) on the side near the positioning groove (204). The head of the saw blade (100) is engaged in the first notch (202a), and the connecting part of the saw blade (100) is engaged in the second notch (203a).

3. The positioning device for saw blade grinding teeth according to claim 2, characterized in that: Multiple positioning grooves (204) are provided, and the multiple positioning grooves (204) are inclined at 60° to the front surface of the base (201).

4. The positioning device for saw blade grinding teeth according to claim 3, characterized in that: The inner bottom wall of the positioning groove (204) is provided with a first inclined surface (204a), and the first inclined surface (204a) is adapted to the inclined surface at the bottom end of the saw blade (100).

5. The positioning device for saw blade grinding teeth according to claim 4, characterized in that: The outer side of the fixing block (202) is provided with a second inclined surface (202b).

6. The positioning device for saw blade grinding teeth according to claim 5, characterized in that: An anti-cavity groove (204b) is provided at the left end of the bottom surface of the positioning groove (204), and the bottom end of the saw blade (100) abuts against the bottom surface of the anti-cavity groove (204b).

7. The positioning device for saw blade grinding teeth according to claim 6, characterized in that: Multiple saw blades (100) are fixedly positioned within the multiple positioning grooves (204), and the upper surfaces of the multiple saw blades (100) extend to the outside of the multiple positioning grooves (204).