Large circular saw blade and production method thereof

Abstract

The present invention provides a large circular saw blade, wherein a serration portion is arranged on the outer edge of the saw blade body; a mounting portion for mounting a cutter head is also arranged on the rear side of the serration portion, the side wall and the bottom wall of the mounting portion are perpendicular to each other, the front angle of the cutter head is A, the rear angle is B, and A>B is satisfied; an additional portion is also arranged on the radial inner side of the mounting portion, and the outer edge of the additional portion is parallel to the side wall of the mounting portion; by arranging the additional portion on the radial inner side of the mounting portion, once the serration portion at a certain position of the outer edge is damaged, the cutter head can be replaced by cutting off the bottom additional portion, thereby replacing the method of replacing the saw blade as a whole in the prior art, thereby effectively reducing the economic cost.

Description

Technical Field

[0001] The invention relates to the technical field of saw blades, and in particular to a large circular saw blade and a production method thereof. Background Art

[0002] Saw blades are a general term for thin circular tools used to cut solid materials, which usually include diamond saw blades, high-speed steel saw blades, and carbide saw blades. Depending on the actual use environment, the saw blades will be set to different diameters. For large-scale cutting saw blades, the diameter can reach 3-5 meters.

[0003] The existing large circular saw blades still have the following defects and shortcomings in actual use:

[0004] 1) The manufacturing cost of large circular saw blades is high, which also leads to high replacement costs. Once the saw teeth at a certain position on the outer edge are damaged, the saw blade needs to be replaced as a whole, resulting in high economic costs;

[0005] 2) The loading and unloading of large circular saw blades is complicated and requires multiple positions to be fixed and locked, which takes a long time to load and unload;

[0006] 3) The design accuracy of large circular saw blades cannot be effectively guaranteed. Once the accuracy of a certain position is too low, it will affect the overall cutting effect and service life of the saw blade, further increasing the economic cost.

[0007] Therefore, there is an urgent need to provide a large circular saw blade and a production method thereof to solve the defects and shortcomings in the above-mentioned prior art. Summary of the invention

[0008] In order to solve the defects and shortcomings in the prior art, the present invention provides a large circular saw blade and a production method thereof.

[0009] The specific scheme provided by the present invention is:

[0010] A large circular saw blade, comprising a saw blade body, a center hole is formed at the center of the saw blade body, a transmission hole is formed inside the saw blade body and radially outside the center hole, a processing hole is formed inside the saw blade body and radially outside the transmission hole, and a sawtooth portion is formed at the outer edge of the saw blade body;

[0011] Features:

[0012] The sawtooth portion comprises a front sawtooth portion, a spacer portion is concavely arranged between adjacent sawtooth portions, the front side of the sawtooth portion is arranged in a first curved shape, the inner side of the spacer portion is arranged in a second curved shape, and the front side of the sawtooth portion is smoothly transitionally connected with the inner side of the front adjacent spacer portion;

[0013] A mounting portion for mounting a cutter head is also provided at the rear side of the saw tooth portion, the side wall and the bottom wall of the mounting portion are perpendicular to each other, the front angle of the cutter head is A, the rear angle is B, and A>B is satisfied;

[0014] An additional portion is further arranged on the radial inner side of the mounting portion, and an outer edge of the additional portion is parallel to the side wall of the mounting portion.

[0015] Furthermore, the present invention also provides a method for producing the large circular saw blade, characterized in that it comprises the following steps:

[0016] 1) Collect saw blade substrate parameters and enter them into the system;

[0017] 2) Generate a corresponding saw blade substrate model according to the input saw blade substrate parameters;

[0018] 3) Determine the parameters of the finished saw blade and enter the parameters of the finished saw blade into the system;

[0019] 4) Generate the corresponding saw blade finished product model according to the input saw blade finished product parameters;

[0020] 5) Compare the saw blade base material model with the saw blade finished product model to determine the shape deviation and size deviation between the saw blade finished product and the saw blade base material;

[0021] 6) Determine the recommended processing parameters for the saw blade substrate based on the determined shape deviation value and size deviation value between the finished saw blade and the saw blade substrate;

[0022] 7) Quench and temper the saw blade substrate according to the recommended processing parameters;

[0023] 8) Processing the saw blade body on the saw blade substrate;

[0024] 9) The center hole, transmission hole and processing hole are processed at the corresponding positions inside the saw blade body;

[0025] 10) Clean and polish the saw blade body after opening the hole;

[0026] 11) Conduct sampling inspection on the finished saw blade body to determine whether the saw blade body needs to be corrected;

[0027] 12) Process the teeth on the outer edge of the saw blade:

[0028] 13) Clean and polish the processed serrations;

[0029] 14) Conduct sampling inspection on the processed sawtooth parts to determine whether the sawtooth parts need to be corrected;

[0030] 15) Install the diamond bit at the corresponding position of the mounting part;

[0031] 16) Perform secondary tempering on the saw blade with the diamond cutter head installed;

[0032] 17) Clean and polish the saw blade;

[0033] 18) Conduct random inspection on the finished saw blades to determine whether the saw blades need to be corrected;

[0034] 19) Predict the wear trend of the additional parts based on the sampling test results, and prepare the corresponding diamond cutter heads with matching sizes for replacement. At the same time, record and store the wear trend data to provide a basis for modifying the recommended processing parameters.

[0035] As a further preferred embodiment of the present invention, in step 5), based on the comparison result between the saw blade substrate model and the saw blade finished product model, the shape deviation value between the saw blade finished product and the saw blade substrate is first determined, and then the size deviation value between the saw blade finished product and the saw blade substrate is determined based on the shape deviation value between the saw blade finished product and the saw blade substrate.

[0036] As a further preferred embodiment of the present invention, in step 6), the recommended processing parameters include at least: quenching and tempering parameters, processing dimensions of the saw blade, processing dimensions of the center hole, transmission hole and processing hole, processing parameters of the serration part, secondary tempering parameters, cleaning and grinding parameters.

[0037] As a further preferred embodiment of the present invention, the step 12) comprises the following steps:

[0038] 12.1) Cutting off the outer edge of the saw blade body to form a saw tooth portion and a spacer portion respectively;

[0039] 12.2) Grind and reshape the saw teeth and spacing parts respectively;

[0040] 12.3) Cut off the corresponding position on the rear side of the sawtooth portion to form a mounting portion;

[0041] 12.4) Processing additional parts.

[0042] As a further preferred embodiment of the present invention, the step 12.1) comprises the following steps:

[0043] 12.11) Cut off the outer edge of the saw blade body to form the spacer first;

[0044] 12.12) Cut off the outer edge of the saw blade body and then form the saw teeth;

[0045] 12.13) Remove the remaining burrs and waste on the surface of the spacing part and the saw tooth part.

[0046] As a further preferred embodiment of the present invention, in step 12.2), the saw teeth and the spacing parts are polished and reshaped respectively to meet the following requirements:

[0047] 12.21) forming the front side of the saw tooth portion into a first curved shape;

[0048] 12.22) forming the inner side of the spacer into a second curved shape;

[0049] 12.23) so that a smooth transition is achieved between the front side of the saw tooth portion and the inner side of the adjacent spacing portion on the front side.

[0050] As a further preferred embodiment of the present invention, the step 12.3) includes the following steps:

[0051] 12.31) Cut off the corresponding position on the rear side of the saw tooth portion to form a mounting portion;

[0052] 12.32) Confirm whether the side wall and bottom wall of the mounting part are perpendicular to each other;

[0053] 12.33) Confirm whether the front angle and rear angle dimensions meet the preset requirements;

[0054] 12.34) Remove burrs and waste remaining at the installation location.

[0055] As a further preferred embodiment of the present invention, the step 12.4) comprises the following steps:

[0056] 12.41) Process an additional portion at the bottom of the mounting portion;

[0057] 12.42) A diamond bit mounting portion is provided on the top of the mounting portion;

[0058] 12.43) Add reminder mark in the appendix.

[0059] As a further preferred embodiment of the present invention,

[0060] In the step 11), a sampling test is performed on the processed saw blade body, and the shape parameters, size parameters and performance parameters in the test results are respectively compared with the preset parameters corresponding to the current saw blade body processing stage in the saw blade finished product model. When the error falls into the preset correction range, it is determined that correction is required; when it is determined that correction is required, the shape parameters, size parameters and performance parameters of the saw blade body in the test results are compared with the corresponding preset parameters of the final finished product stage in the saw blade finished product model to determine the correction priority and correction parameters corresponding to the saw blade body;

[0061] In the step 14), the processed sawtooth parts are sampled and tested, and the shape parameters, size parameters and performance parameters in the test results are compared with the preset parameters corresponding to the current sawtooth part processing stage in the saw blade finished product model. When the error falls into the preset correction range, it is determined that correction is required; when it is determined that correction is required, the shape parameters, size parameters and performance parameters of the sawtooth part in the test results are compared with the corresponding preset parameters of the final finished product stage in the saw blade finished product model to determine the correction priority and correction parameters corresponding to the sawtooth part;

[0062] In the step 18), a sampling test is performed on the processed saw blades, and the shape parameters, size parameters and performance parameters in the test results are compared with the preset parameters corresponding to the current saw blade processing stage in the saw blade finished product model. When the error falls within the preset correction range, it is determined that correction is required; when it is determined that correction is required, the shape parameters, size parameters and performance parameters of the saw blade in the test results are compared with the corresponding preset parameters of the final finished product stage in the saw blade finished product model to determine the correction priority and correction parameters corresponding to the saw blade.

[0063] Compared with the prior art, the present invention can achieve the following technical effects:

[0064] 1) The present invention provides a large circular saw blade and a production method thereof. By arranging an additional portion on the radial inner side of the mounting portion, on the one hand, the fixing stability of the cutter head is increased; on the other hand, once the sawtooth portion at a certain position of the outer edge is damaged, the bottom additional portion can be cut off and then the cutter head can be replaced, thereby replacing the method of replacing the saw blade as a whole in the prior art, thereby effectively reducing the economic cost.

[0065] 2) The present invention provides a large circular saw blade and a production method thereof, which does not require the saw blade to be assembled and unassembled as a whole, thereby reducing assembly time and improving assembly efficiency.

[0066] 3) The present invention provides a large circular saw blade and a production method thereof. During the production process of the saw blade, corresponding sampling inspections are performed on the saw blade body, the saw tooth part and the saw blade to determine whether a corresponding correction process is required, thereby achieving effective control of the production quality at different stages of the saw blade production process, further improving the overall design accuracy, ensuring the overall cutting effect and service life of the saw blade, and further reducing the economic cost.

[0067] 4) The present invention provides a large circular saw blade and a production method thereof. Each time a sampling test is performed, an error comparison is performed on the shape parameters, size parameters and performance parameters in the test results and the preset parameters corresponding to the current processing stage in the saw blade finished product model, thereby further improving the comparison accuracy of the sampling test; and when it is determined that correction is needed, the shape parameters, size parameters and performance parameters in the test results are compared with the corresponding preset parameters of the final finished product stage in the saw blade finished product model to determine the corresponding correction priority and correction parameters, so that the result of each correction can be closer to the corresponding preset parameters of the final finished product stage, thereby further improving the current correction accuracy, further reducing the correction amplitude of the next time, and improving the correction efficiency.

[0068] 5) The present invention provides a large circular saw blade and a production method thereof, which predicts the wear trend of the additional part based on the sampling test results, and prepares the corresponding diamond cutter head of the matching size for replacement, thereby further improving the replacement efficiency. At the same time, the wear trend data is recorded and stored, and a correction basis is provided for the recommended processing parameters, so as to further improve the accuracy and credibility of the recommended processing parameters. BRIEF DESCRIPTION OF THE DRAWINGS

[0069] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0070] like Figure 1 Shown is a schematic structural diagram of a large circular saw blade provided by the present invention;

[0071] like Figure 2 The figure shows an enlarged structural view of the sawtooth portion of a large circular saw blade provided by the present invention. DETAILED DESCRIPTION

[0072] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0073] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0074] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" 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 a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0075] [First embodiment]

[0076] like Figure 1-2 The first embodiment provided by the present invention is shown, which discloses a large circular saw blade, such as Figure 1 As shown, the circular saw blade includes a saw blade body 1. In this embodiment, the diameter of the saw blade body 1 is 2950-3000mm. A center hole 2 is opened at the center position of the saw blade body 1. A transmission hole 3 is opened inside the saw blade body 1 and located radially outside the center hole 2. The transmission hole 3 is used to achieve the fixed installation of the saw blade with the cutting shaft when the saw blade is cutting and rotating. In this embodiment, the diameter of the transmission hole 3 is 20-22mm. A total of 8 holes are opened and are evenly arranged along the radial outer circumference of the center hole 2; a processing hole 4 is opened inside the saw blade body 1 and located radially outside the transmission hole 3. The processing hole 4 is used to achieve the fixed installation of the saw blade with the processing shaft when the saw blade is processed. In this embodiment, the diameter of the processing hole 4 is 50mm. A total of 4 holes are opened and are evenly arranged along the radial outer circumference of the transmission hole 3. A serrated portion 5 is provided on the outer edge of the saw blade body 1.

[0077] like Figure 2 As shown, the sawtooth portion 5 includes a front sawtooth portion 51, and a spacer portion 54 is concavely arranged between adjacent sawtooth portions 51, the front side 511 of the sawtooth portion is set to a first curved shape, and the inner side 541 of the spacer portion is set to a second curved shape, and the front side 511 of the sawtooth portion is smoothly connected with the inner side 541 of the front adjacent spacer portion; according to actual cutting needs, the first curved shape and the second curved shape can be selected from any one or more combinations of arc lines, hyperbolas, parabolas or other curves.

[0078] A mounting portion 52 for mounting a diamond cutter head is also provided at the rear side of the saw tooth portion 51. The side wall and the bottom wall of the mounting portion 52 are perpendicular to each other, so as to facilitate the positioning and mounting of the internal cutter head. The front angle of the cutter head is A, and the back angle is B. The front angle affects whether the cutting is light, and the back angle determines the sawing resistance. The smaller the angle, the higher the sharpness, but the wear also increases accordingly. In this embodiment, A>B is satisfied. As a preferred embodiment of this embodiment, the front angle is set to 10°, and the back angle is set to 8°.

[0079] An additional portion 53 is also provided on the radial inner side of the mounting portion 52. By providing the additional portion on the radial inner side of the mounting portion, on the one hand, the fixing stability of the cutter head is increased, and on the other hand, once the serration portion at a certain position of the outer edge is damaged, the cutter head can be replaced by cutting off the bottom additional portion, so as to replace the overall replacement of the saw blade in the prior art, thereby effectively reducing the economic cost. In the present embodiment, the outer edge of the additional portion 53 is parallel to the side wall of the mounting portion 52, which is convenient for the user to identify and facilitates positioning during subsequent cutting operations. As a preferred embodiment of the present embodiment, a prompt mark can be further added to the additional portion, which is convenient for the user to identify and facilitates the user to position during subsequent cutting operations, assists the user to determine the cutting size, and facilitates the standardized configuration of the subsequent replacement of the cutter head size. The prompt mark includes but is not limited to handwriting marks, paint marks, or scratch marks.

[0080] [Second embodiment]

[0081] A second embodiment of the present invention further provides a method for producing a large circular saw blade, comprising the following steps:

[0082] 1) Collect saw blade substrate parameters and enter them into the system; saw blade substrate parameters may include the three-dimensional size, material, substrate model, strength, etc. of the saw blade substrate.

[0083] 2) Generate a corresponding saw blade substrate model based on the entered saw blade substrate parameters; the saw blade substrate model is stored in the system, and classified storage is required according to the type and model of the saw blade substrate for subsequent retrieval and use.

[0084] 3) Determine the parameters of the finished saw blade and enter them into the system; the parameters of the finished saw blade may include the three-dimensional size, material, saw blade model, hole size, tooth size, hardness, flatness, surface smoothness, etc. of the finished saw blade.

[0085] 4) Generate the corresponding saw blade finished product model according to the input saw blade finished product parameters; the saw blade finished product model is stored in the system, and is also classified and stored according to the different types and models of saw blade finished products for subsequent retrieval and use.

[0086] 5) Compare the saw blade substrate model with the saw blade finished product model to determine the shape deviation value and size deviation value between the saw blade finished product and the saw blade substrate; in this embodiment, based on the comparison result of the saw blade substrate model with the saw blade finished product model, first determine the shape deviation value between the saw blade finished product and the saw blade substrate, and then determine the size deviation value between the saw blade finished product and the saw blade substrate based on the shape deviation value between the saw blade finished product and the saw blade substrate, and the size deviation value should at least include a three-dimensional size deviation value and an angle deviation value, etc.

[0087] 6) Determine the recommended processing parameters for the saw blade substrate based on the determined shape deviation and size deviation between the finished saw blade and the saw blade substrate; the recommended processing parameters should at least include: quenching and tempering parameters, processing dimensions of the saw blade, processing dimensions of the center hole, transmission hole and processing hole, processing parameters of the tooth part, secondary tempering parameters, cleaning and grinding parameters, etc.

[0088] 7) According to the recommended processing parameters, the saw blade substrate is quenched and tempered to further even out the internal stress of the saw blade substrate and improve the internal strength of the saw blade substrate, thereby facilitating the normal progress of subsequent processing steps.

[0089] 8) Processing the saw blade body on the saw blade substrate.

[0090] 9) A center hole, a transmission hole and a processing hole are respectively processed at corresponding positions inside the saw blade body; preferably, the processing sequence in this embodiment is: first process the center hole, then process the processing hole, and finally process the transmission hole, thereby providing support for the subsequent processing and opening process in turn, facilitating the subsequent processing and opening operation.

[0091] 10) Clean and polish the saw blade body after the hole is opened to remove the debris and waste remaining on the saw blade body and improve the overall flatness of the saw blade body.

[0092] 11) Perform sampling inspection on the finished saw blade body to determine whether it is qualified and whether the saw blade body needs to be corrected; the specific operation process is: perform sampling inspection on the finished saw blade body, and compare the shape parameters, size parameters and performance parameters in the inspection results with the preset parameters corresponding to the current saw blade body processing stage in the finished saw blade model.

[0093] The comparison results include three situations:

[0094] 11A) When the error falls within the preset error range, the processing at this stage is deemed qualified and no correction is required;

[0095] 11B) When the error exceeds the preset error range but falls within the preset correction range, it is determined that correction is required; when it is determined that correction is required, the shape parameters, size parameters and performance parameters of the saw blade body in the test results are compared with the corresponding preset parameters of the final finished product stage in the saw blade finished product model to determine the correction priority and correction parameters corresponding to the saw blade body;

[0096] 11C) When the error exceeds the preset error range but falls within the preset scrap range, the processing at this stage is deemed unqualified and the product is scrapped without correction.

[0097] 12) Processing the saw teeth on the outer edge of the saw blade body: specifically including the following steps:

[0098] 12.1) Cutting off the outer edge of the saw blade body to form a saw tooth portion and a spacer portion respectively; specifically comprising the following steps:

[0099] 12.11) Cut off the outer edge of the saw blade body to form a spacer first, so as to facilitate the positioning of the spacer and the saw tooth part;

[0100] 12.12) Cut off the outer edge of the saw blade body and then form the saw teeth;

[0101] 12.13) Remove the burrs and waste materials remaining on the surface of the spacer and saw teeth to improve the overall cleanliness of the spacer and saw teeth to facilitate the subsequent grinding process;

[0102] 12.2) Grinding and shaping the sawtooth portion and the spacing portion respectively; in this embodiment, the sawtooth portion and the spacing portion are ground and shaped to meet the following conditions:

[0103] 12.21) forming the front side of the saw tooth portion into a first curved shape;

[0104] 12.22) forming the inner side of the spacer into a second curved shape;

[0105] 12.23) so that the front side of the saw tooth portion and the inner side of the adjacent spacing portion on the front side achieve a smooth transition; similarly, in this embodiment, the first curve shape and the second curve shape can be selected according to the actual cutting requirements, and any one or more combinations of arc lines, hyperbolas, parabolas or other curves can be selected;

[0106] 12.3) Cutting off the corresponding position on the rear side of the saw tooth portion to form a mounting portion; specifically comprising the following steps:

[0107] 12.31) Cut off the corresponding position on the rear side of the saw tooth portion to form a mounting portion;

[0108] 12.32) Confirm whether the side wall and bottom wall of the mounting part are perpendicular to each other, so as to facilitate the positioning and installation of the cutter head;

[0109] 12.33) Confirm whether the front angle and the back angle meet the preset requirements; the front angle affects whether the cutting is smooth, and the back angle determines the sawing resistance. The smaller the angle, the higher the sharpness, but the wear also increases accordingly. In this embodiment, A>B is satisfied. As the preferred embodiment, the front angle is set to 10° and the back angle is set to 8°;

[0110] 12.34) Remove the burrs and waste materials remaining at the installation part to improve the overall cleanliness of the installation part and facilitate the normal processing of the subsequent additional parts;

[0111] 12.4) Processing the additional parts; specifically including the following steps:

[0112] 12.41) Process an additional portion at the bottom of the mounting portion;

[0113] 12.42) A diamond bit mounting portion is provided on the top of the mounting portion, and the diamond bit mounting portion can be provided in the form of a mounting groove or a welding groove or other structure;

[0114] 12.43) Adding prompt marks to the additional part to facilitate user identification and to help users locate the blade during subsequent cutting operations, assisting users in determining the cutting size and facilitating the standardized configuration of the blade size for subsequent replacement. The prompt marks include but are not limited to handwriting marks, paint marks or scratch marks, etc.

[0115] 13) Clean and polish the processed sawtooth part to improve the cleanliness and flatness of the sawtooth part and facilitate the smooth progress of subsequent inspection procedures;

[0116] 14) Conduct sampling inspection on the processed sawtooth parts to determine whether the sawtooth parts need to be corrected; specifically including:

[0117] The processed sawtooth parts are sampled and tested, and the shape parameters, size parameters and performance parameters in the test results are compared with the preset parameters corresponding to the current sawtooth processing stage in the saw blade finished product model:

[0118] Similarly, the comparison results include three situations:

[0119] 14A) When the error falls within the preset error range, the processing at this stage is deemed qualified and no correction is required;

[0120] 14B) When the error exceeds the preset error range but falls within the preset correction range, it is determined that correction is required; when it is determined that correction is required, the shape parameters, size parameters and performance parameters of the sawtooth portion in the test results are compared with the corresponding preset parameters of the final product stage in the saw blade finished product model to determine the correction priority and correction parameters corresponding to the sawtooth portion;

[0121] 14C) When the error exceeds the preset error range but falls within the preset scrap range, the processing at this stage is deemed unqualified and the product is scrapped without correction;

[0122] 15) Install the diamond cutter head at the corresponding position of the mounting part; the cutter head can be fixedly installed by welding, or by combining clamping and welding;

[0123] 16) Perform secondary tempering on the saw blade with the diamond cutter head installed to even out the internal stress and reduce the impact that may be caused by the welding process;

[0124] 17) Clean and polish the saw blade;

[0125] 18) Conduct random inspection on the finished saw blades to determine whether the saw blades need to be corrected;

[0126] The method comprises the following steps: sampling and testing the finished saw blades, and comparing the shape parameters, size parameters and performance parameters in the test results with the preset parameters corresponding to the current saw blade processing stage in the saw blade finished product model;

[0127] Similarly, the comparison results include three situations:

[0128] 18A) When the error falls within the preset error range, the processing at this stage is deemed qualified and no correction is required;

[0129] 18B) When the error exceeds the preset error range but falls within the preset correction range, it is determined that correction is required; when it is determined that correction is required, the shape parameters, size parameters and performance parameters of the saw blade in the test results are compared with the corresponding preset parameters of the final finished product stage in the saw blade finished product model to determine the correction priority and correction parameters corresponding to the saw blade;

[0130] 18C) When the error exceeds the preset error range but falls within the preset scrap range, the processing at this stage is deemed unqualified and the product is scrapped without correction.

[0131] During the production process of the saw blade, corresponding sampling inspections are carried out on the saw blade body, the saw tooth part and the saw blade to determine whether a corresponding correction process is required, thereby achieving effective control of the production quality at different stages of the saw blade production process, further improving the overall design accuracy, ensuring the overall cutting effect and service life of the saw blade, and further reducing the economic cost; at the same time, each time a sampling inspection is carried out, the shape parameters, size parameters and performance parameters in the inspection results are respectively compared with the preset parameters corresponding to the current processing stage in the saw blade finished product model for errors, thereby further improving the comparison accuracy of the sampling inspection; and when it is determined that correction is needed, the shape parameters, size parameters and performance parameters in the inspection results are compared with the corresponding preset parameters of the final finished product stage in the saw blade finished product model to determine the corresponding correction priority and correction parameters, so that the result of each correction can be closer to the corresponding preset parameters of the final finished product stage, thereby further improving the current correction accuracy, further reducing the correction amplitude of the next time, and improving the correction efficiency.

[0132] 19) Predict the wear trend of the additional parts based on the sampling test results, and prepare the corresponding diamond cutter heads with matching sizes for replacement, so as to further improve the replacement efficiency. At the same time, record and store the wear trend data, and provide a basis for correction of the recommended processing parameters, so as to further improve the accuracy and credibility of the recommended processing parameters.

[0133] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A method for producing a large circular saw blade, the circular saw blade comprising a saw blade body (1), a center hole (2) being formed at the center of the saw blade body (1), a transmission hole (3) being formed inside the saw blade body (1) and located radially outside the center hole (2), a processing hole (4) being formed inside the saw blade body (1) and located radially outside the transmission hole (3), and a saw tooth portion (5) being formed on the outer edge of the saw blade body (1); The sawtooth portion (5) comprises a front sawtooth portion (51), a spacer portion (54) is concavely arranged between adjacent sawtooth portions (51), the front side (511) of the sawtooth portion is arranged in a first curved shape, the inner side (541) of the spacer portion is arranged in a second curved shape, and the front side (511) of the sawtooth portion is smoothly transitionally connected to the inner side (541) of the adjacent spacer portion on the front side; a mounting portion (52) for mounting a cutter head is further arranged on the rear side of the sawtooth portion (51), the side wall and the bottom wall of the mounting portion (52) being perpendicular to each other, the front angle of the cutter head being A, the rear angle being B, and A>B being satisfied; an additional portion (53) is further arranged on the radial inner side of the mounting portion (52), the outer edge of the additional portion (53) being parallel to the side wall of the mounting portion (52); Features: The following steps are involved: 1) Collect saw blade substrate parameters and enter them into the system; 2) Generate a corresponding saw blade substrate model according to the input saw blade substrate parameters; 3) Determine the parameters of the finished saw blade and enter the parameters of the finished saw blade into the system; 4) Generate the corresponding saw blade finished product model according to the input saw blade finished product parameters; 5) Compare the saw blade base material model with the saw blade finished product model to determine the shape deviation and size deviation between the saw blade finished product and the saw blade base material; 6) Determine the recommended processing parameters for the saw blade substrate based on the determined shape deviation value and size deviation value between the finished saw blade and the saw blade substrate; 7) Quench and temper the saw blade substrate according to the recommended processing parameters; 8) Processing the saw blade body on the saw blade substrate; 9) The center hole, transmission hole and processing hole are processed at the corresponding positions inside the saw blade body; 10) Clean and polish the saw blade body after opening the hole; 11) Sampling inspection of the finished saw blade body to determine whether it is qualified and needs to be corrected; 12) Process the teeth on the outer edge of the saw blade: 13) Clean and polish the processed serrations; 14) Conduct sampling inspection on the processed sawtooth parts to determine whether the sawtooth parts need to be corrected; 15) Install the diamond bit at the corresponding position of the mounting part; 16) Perform secondary tempering on the saw blade with the diamond cutter head installed; 17) Clean and polish the saw blade; 18) Conduct random inspection on the finished saw blades to determine whether the saw blades need to be corrected; 19) Predict the wear trend of the additional parts based on the sampling test results, and prepare the corresponding diamond cutter heads with matching sizes for replacement. At the same time, record and store the wear trend data to provide a basis for modifying the recommended processing parameters.

2. The method for producing a large circular saw blade according to claim 1, characterized in that: In step 5), the shape deviation value between the finished saw blade and the saw blade substrate is first determined based on the comparison result between the saw blade substrate model and the finished saw blade model, and then the size deviation value between the finished saw blade and the saw blade substrate is determined based on the shape deviation value between the finished saw blade and the saw blade substrate.

3. The method for producing a large circular saw blade according to claim 1, characterized in that: In step 6), the recommended processing parameters at least include: quenching and tempering parameters, processing dimensions of the saw blade, processing dimensions of the center hole, transmission hole and processing hole, processing parameters of the serration part, secondary tempering parameters, cleaning and grinding parameters.

4. The method for producing a large circular saw blade according to claim 1, characterized in that: The step 12) includes the following steps: 12.1) Cutting off the outer edge of the saw blade body to form a saw tooth portion and a spacer portion respectively; 12.2) Grind and reshape the saw teeth and spacing parts respectively; 12.3) Cut off the corresponding position on the rear side of the sawtooth portion to form a mounting portion; 12.4) Processing additional parts.

5. The method for producing a large circular saw blade according to claim 4, characterized in that: The step 12.1) includes the following steps: 12.11) Cut off the outer edge of the saw blade body to form the spacer first; 12.12) Cut off the outer edge of the saw blade body and then form the saw teeth; 12.13) Remove the remaining burrs and waste on the surface of the spacing part and the saw tooth part.

6. The method for producing a large circular saw blade according to claim 4, characterized in that: In step 12.2), the saw teeth and the spacing parts are polished and shaped to meet the following requirements: 12.21) forming the front side of the saw tooth portion into a first curved shape; 12.22) forming the inner side of the spacer into a second curved shape; 12.23) so that a smooth transition is achieved between the front side of the saw tooth portion and the inner side of the adjacent spacing portion on the front side.

7. The method for producing a large circular saw blade according to claim 4, characterized in that: The step 12.3) includes the following steps: 12.31) Cut off the corresponding position on the rear side of the saw tooth portion to form a mounting portion; 12.32) Confirm whether the side wall and bottom wall of the mounting part are perpendicular to each other; 12.33) Confirm whether the front angle and rear angle dimensions meet the preset requirements; 12.34) Remove burrs and waste remaining at the installation location.

8. The method for producing a large circular saw blade according to claim 4, characterized in that: The step 12.4) includes the following steps: 12.41) Process an additional portion at the bottom of the mounting portion; 12.42) A diamond bit mounting portion is provided on the top of the mounting portion; 12.43) Add reminder mark in the appendix.

9. The method for producing a large circular saw blade according to claim 1, characterized in that: In the step 11), a sampling test is performed on the processed saw blade body, and the shape parameters, size parameters and performance parameters in the test results are respectively compared with the preset parameters corresponding to the current saw blade body processing stage in the saw blade finished product model. When the error falls into the preset correction range, it is determined that correction is required; when it is determined that correction is required, the shape parameters, size parameters and performance parameters of the saw blade body in the test results are compared with the corresponding preset parameters of the final finished product stage in the saw blade finished product model to determine the correction priority and correction parameters corresponding to the saw blade body; In the step 14), the processed sawtooth parts are sampled and tested, and the shape parameters, size parameters and performance parameters in the test results are compared with the preset parameters corresponding to the current sawtooth part processing stage in the saw blade finished product model. When the error falls into the preset correction range, it is determined that correction is required; when it is determined that correction is required, the shape parameters, size parameters and performance parameters of the sawtooth part in the test results are compared with the corresponding preset parameters of the final finished product stage in the saw blade finished product model to determine the correction priority and correction parameters corresponding to the sawtooth part; In the step 18), a sampling test is performed on the processed saw blades, and the shape parameters, size parameters and performance parameters in the test results are compared with the preset parameters corresponding to the current saw blade processing stage in the saw blade finished product model. When the error falls within the preset correction range, it is determined that correction is required; when it is determined that correction is required, the shape parameters, size parameters and performance parameters of the saw blade in the test results are compared with the corresponding preset parameters of the final finished product stage in the saw blade finished product model to determine the correction priority and correction parameters corresponding to the saw blade.

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