A sawing stock width measuring device

Abstract

The utility model provides a kind of sawing material width measuring device, belong to measuring device technical field;Sawing material width measuring device includes: indicating block, ruler body, first measuring assembly, second measuring assembly, first scale, second scale, first connecting rod, first fixed arm, second connecting rod and second fixed arm;By first scale is set in the bottom of first measuring assembly, second scale is set in the bottom of second measuring assembly, to realize that first scale and second scale can respectively with the two side tooth tip of the saw to be measured be fitted, and make first scale and second scale can be contacted with multiple tooth tips simultaneously, relative to only one tooth tip is contacted, it can ensure that the length direction of first scale and second scale is parallel with the connecting line of multiple saw teeth, to further ensure that the plane where the connecting line of two side tooth tip is perpendicular to saw body center surface, to improve the perpendicular distance of two side tooth tip connecting line, i.

Description

Technical Field

[0001] This utility model belongs to the field of measuring device technology, specifically relating to a saw width measuring device. Background Technology

[0002] In related technologies, during the inspection and identification of saw marks, the width of the saw cut line is mainly determined by the width of the sawn material from the suspected saw, while the size of the sawdust and the characteristics of the saw cut surface are mainly determined by the tooth pitch of the suspected saw, and are also affected by the magnitude of the applied force and the physical and mechanical properties of the object bearing the mark. By measuring the width of the saw cut line and the width of the sawn material from the suspected saw on site, the suspected saw can be quickly ruled out; the sawn material width refers to the vertical distance between the lines connecting the tips of the left and right teeth. During measurement, to ensure the accuracy of the measurement data, the plane containing the line connecting the tips of the two teeth should be basically perpendicular to the center plane of the saw body.

[0003] Currently, the width and tooth pitch of sawn material for different types of saws, such as wood saws, metal saws, and chainsaws, are mainly measured using tools such as vernier calipers. When measuring with vernier calipers, the measuring jaws of the vernier calipers can only contact a single tooth tip, which makes it impossible to ensure that the measuring jaws of the calipers are parallel to the line connecting multiple saw teeth, thus reducing the accuracy of the measurement of the sawn material width. Utility Model Content

[0004] To address the problem in existing technologies where the measuring jaws of a vernier caliper can only contact a single tooth tip during measurement, thus failing to ensure parallelism between the measuring jaws and the line connecting multiple saw teeth and reducing the accuracy of saw width measurement, this invention provides a saw width measuring device. This device employs a first scale positioned at the bottom of a first measuring component and a second scale positioned at the bottom of a second measuring component, with the second scale facing the first scale. This allows both scales to contact the two sides of the saw teeth being measured simultaneously, ensuring that their lengths are parallel to the line connecting multiple saw teeth, compared to contacting only one tooth tip. This ensures the plane containing the line connecting the two sides of the saw teeth is perpendicular to the center plane of the saw body, improving the accuracy of the vertical distance measurement of the line connecting the two sides of the saw teeth, i.e., the saw width measurement. The specific technical solution is as follows: A sawing width measuring device includes: an indicator block, a ruler body, a first measuring component, a second measuring component, a first scale, a second scale, a first connecting rod, a first fixing arm, a second connecting rod, and a second fixing arm. The indicator block has a mounting groove; at least a portion of the ruler body is embedded in the mounting groove; the first measuring component is connected to the ruler body and is located outside the indicator block; the second measuring component is installed at the bottom of the indicator block and is opposite to the first measuring component; the first scale is located at the bottom of the first measuring component; the second scale is located at the bottom of the second measuring component and is opposite to the first scale; the first connecting rod is connected to the end of the first measuring component opposite to the indicator block; the first fixing arm is L-shaped and is fitted onto the outside of the first connecting rod; the second connecting rod is connected to the end of the indicator block opposite to the ruler body; the second fixing arm is L-shaped and is fitted onto the outside of the second connecting rod and is opposite to the first fixing arm.

[0005] In addition, the sawing width measuring device in the above-mentioned technical solution provided by this utility model may also have the following additional technical features: In the above technical solution, the saw width measuring device further includes: a first magnet and a second magnet; the first magnet is installed at the end of the first fixed arm near the second fixed arm; the second magnet is installed at the end of the second fixed arm near the first fixed arm, and the second magnet is opposite to the first magnet; wherein the magnetic poles of the first magnet and the second magnet are opposite.

[0006] In the above technical solution, the first measuring component includes: a first measuring claw, a first connecting frame, and a first connecting bolt; the first measuring claw is connected to both the first connecting rod and the ruler body; a first connecting groove is provided in the first connecting frame, at least part of the first measuring claw is embedded in the first connecting groove, and the first scale is located at the bottom of the first connecting frame; the first connecting bolt passes through the first connecting frame and the first measuring claw in sequence.

[0007] In the above technical solution, the second measuring component includes: a second measuring claw, a second connecting frame, and a second connecting bolt; the second measuring claw is connected to the bottom of the indicator block; a second connecting groove is provided in the second connecting frame, at least part of the second measuring claw is embedded in the second connecting groove, and a second scale is provided at the bottom of the second connecting frame; the second connecting bolt passes through the second connecting frame and the second measuring claw in sequence.

[0008] In the above technical solution, the saw width measuring device further includes: a set screw; the set screw passes through the top of the indicator block and is in contact with the ruler body.

[0009] In the above technical solution, the ruler body and the mounting groove are in clearance fit.

[0010] In the above technical solution, the first fixed arm and the first connecting rod are in clearance fit; the second fixed arm and the second connecting rod are in clearance fit.

[0011] In the above technical solution, the cross-section of the first scale is a right triangle; the cross-section of the second scale is a right triangle.

[0012] The saw width measuring device of this utility model has the following advantages compared with the prior art: 1. By placing a first scale at the bottom of the first measuring component and a second scale at the bottom of the second measuring component, with the second scale facing the first scale, the first and second scales can respectively engage with the two tooth tips on both sides of the saw to be measured. This allows the first and second scales to simultaneously contact multiple tooth tips, compared to contacting only one tooth tip. This ensures that the length direction of the first and second scales is parallel to the line connecting multiple saw teeth, and thus ensures that the plane containing the line connecting the two tooth tips is perpendicular to the center plane of the saw body. This improves the accuracy of measuring the vertical distance between the two tooth tips, i.e., the saw width. Simultaneously, the first or second scale can measure the distance between tooth tips on the same side, enabling the measurement of multiple data points such as saw width and tooth pitch in a single clamping operation. This allows for multi-dimensional measurement of the saw, improving the user experience.

[0013] 2. By installing the first magnet at the end of the first fixed arm near the end of the second fixed arm, and installing the second magnet at the end of the second fixed arm near the end of the first fixed arm, the second magnet is opposite to the first magnet, and the magnetic poles of the first magnet and the second magnet are opposite. This allows the second magnet to attract the first magnet when they are close together, thereby enabling the first magnet and the second magnet to clamp the saw body to be measured, thus improving the stability of the saw and improving the accuracy of the measurement.

[0014] 3. By embedding at least a portion of the first measuring claw into the first connecting groove of the first connecting frame, and passing the first connecting bolt through the first connecting frame and the first measuring claw in sequence, the first connecting frame and the first measuring claw are detachably connected. This enables the saw to be measured by surface contact using the first scale, and also by point contact using the first measuring claw, thus adapting to different measurement environments and improving the user experience of the product.

[0015] 4. By embedding at least part of the second measuring claw into the second connecting groove of the second connecting frame, and passing the second connecting bolt through the second connecting frame and the second measuring claw in sequence, the second connecting frame and the second measuring claw are detachably connected. This enables the saw to be measured by surface contact using the second scale, and also enables the saw to be measured by point contact using the second measuring claw. This adapts to different measurement environments and improves the user experience of the product.

[0016] 5. By passing the set screw through the top of the indicator block and making the set screw fit against the ruler body, the ruler body is fixed inside the indicator block, thereby preventing relative movement between the first measuring component and the second measuring component, thus improving the stability of the first measuring component and improving the accuracy of product measurement.

[0017] 6. By setting the ruler body and the mounting slot to a clearance fit, the ruler body can move within the mounting slot, thereby avoiding jamming when the ruler body moves within the mounting slot and improving the user experience of the product.

[0018] 7. By setting the first fixed arm and the first connecting rod to a clearance fit, and setting the second fixed arm and the second connecting rod to a clearance fit, it is ensured that the first fixed arm can move along the first connecting rod and the second fixed arm can move along the second connecting rod, thereby avoiding jamming of the first and second fixed arms during movement and improving the user experience of the product.

[0019] 8. By setting the cross-section of the first scale ruler to a right-angled triangle and the cross-section of the second scale ruler to a right-angled triangle, the right-angled surfaces of the first and second scale rulers can fit with the tooth tips on both sides of the saw, thereby ensuring that the length direction of the first and second scale rulers is parallel to the line connecting multiple saw teeth. Attached Figure Description

[0020] Figure 1 This is one of the perspective views of a saw width measuring device according to the present invention; Figure 2 This is a second perspective view of a saw width measuring device according to the present invention; in, Figure 1 and Figure 2 The correspondence between the reference numerals and component names in the attached drawings is as follows: 10 Indicator block, 11 Ruler body, 12 First measuring component, 121 First measuring claw, 122 First connecting bracket, 123 First connecting groove, 124 First connecting bolt, 13 Second measuring component, 131 Second measuring claw, 132 Second connecting bracket, 133 Second connecting groove, 134 Second connecting bolt, 14 First scale, 15 Second scale, 16 First connecting rod, 17 First fixing arm, 18 Second connecting rod, 19 Second fixing arm, 20 First magnet, 21 Second magnet, 22 Set screw. Detailed Implementation

[0021] The following are specific implementation cases and appendices. Figure 1 and Figure 2 The present invention will be further described below, but the present invention is not limited to these embodiments.

[0022] A sawn material width measuring device, such as Figure 1 and Figure 2 As shown, the sawing width measuring device includes: an indicator block 10, a ruler body 11, a first measuring component 12, a second measuring component 13, a first scale 14, a second scale 15, a first connecting rod 16, a first fixing arm 17, a second connecting rod 18, and a second fixing arm 19; the indicator block 10 has a mounting groove; at least a portion of the ruler body 11 is embedded in the mounting groove; the first measuring component 12 is connected to the ruler body 11 and is located outside the indicator block 10; the second measuring component 13 is installed at the bottom of the indicator block 10 and is opposite to the first measuring component 12; the first... A scale 14 is located at the bottom of the first measuring component 12; a second scale 15 is located at the bottom of the second measuring component 13, and the second scale 15 is opposite to the first scale 14; a first connecting rod 16 is connected to the end of the first measuring component 12 away from the indicator block 10; a first fixing arm 17 is L-shaped and is fitted onto the outside of the first connecting rod 16; a second connecting rod 18 is connected to the end of the indicator block 10 away from the scale body 11; a second fixing arm 19 is L-shaped and is fitted onto the outside of the second connecting rod 18, and the second fixing arm 19 is opposite to the first fixing arm 17.

[0023] By embedding at least a portion of the ruler body 11 into the mounting groove of the indicator block 10, the ruler body 11 can move within the mounting groove, thereby adjusting the length of the ruler body 11 located outside the indicator block 10; by connecting the first measuring component 12 to the ruler body 11, installing the second measuring component 13 at the bottom of the indicator block 10, and positioning the second measuring component 13 opposite to the first measuring component 12, the first measuring component 12 and the ruler body 11 can move synchronously, thereby adjusting the distance between the first measuring component 12 and the second measuring component 13, and thus enabling the first measuring component 12 and the second measuring component 13 to cooperate in measuring the saw under test. By placing the first scale 14 at the bottom of the first measuring component 12 and the second scale 15 at the bottom of the second measuring component 13, with the second scale 15 facing the first scale 14, the contact area between the first measuring component 12 and the second measuring component 13 and the saw to be measured is increased, thereby improving the accuracy of the measurement of the saw to be measured by the cooperation of the first measuring component 12 and the second measuring component 13; at the same time, the first scale 14 or the second scale 15 can be used to measure the saw to be measured, thereby realizing multi-dimensional measurement of the saw to be measured. By fitting the first fixed arm 17 onto the outside of the first connecting rod 16 and the second fixed arm 19 onto the outside of the second connecting rod 18, and positioning the second fixed arm 19 opposite to the first fixed arm 17, the first fixed arm 17 can move along the outside of the first connecting rod 16, and the second fixed arm 19 can also move along the outside of the second connecting rod 18. This adjusts the distance between the first fixed arm 17 and the second fixed arm 19, allowing them to work together to clamp the saw body under test, thereby improving the stability of the saw and enhancing the accuracy of the measurement of the saw under test by the cooperation of the first measuring component 12 and the second measuring component 13.

[0024] In actual use of the product, first move the first fixed arm 17 and the second fixed arm 19 so that the first fixed arm 17 and the second fixed arm 19 cooperate to clamp the saw body to be measured and position the saw body between the first scale 14 and the second scale 15; then, move the first fixed arm 17, the second fixed arm 19 and the saw body simultaneously so that the tip of the saw teeth on one side of the saw body is in contact with the second measuring component 13; then, move the scale body 11 in the mounting groove so that the first measuring component 12 is in contact with the tip of the saw teeth on the other side of the saw body. This ensures that both the first scale 14 and the second scale 15 are simultaneously in contact with the tips of multiple saw teeth, guaranteeing that the length direction of the first scale 14 and the second scale 15 is parallel to the line connecting the multiple saw teeth, thereby ensuring that the plane containing the line connecting the tips of the two sides is perpendicular to the center plane of the saw body. At this time, the distance between the first measuring component 12 and the second measuring component 13 is the perpendicular distance between the lines connecting the tips of the two sides, i.e., the width of the saw material. At the same time, the distance between the tips of the same side can be measured using the first scale 14 and the second scale 15.

[0025] By employing the above structure, the first scale 14 is positioned at the bottom of the first measuring component 12, and the second scale 15 is positioned at the bottom of the second measuring component 13, with the second scale 15 facing the first scale 14. This allows the first and second scales 14 to respectively engage with the two tooth tips on both sides of the saw to be tested, and to simultaneously contact multiple tooth tips. Compared to contacting only one tooth tip, this ensures that the length direction of the first and second scales 14 and 15 is parallel to the line connecting multiple saw teeth, thereby ensuring that the plane containing the line connecting the two tooth tips is perpendicular to the center plane of the saw body. This improves the accuracy of measuring the vertical distance between the two tooth tips, i.e., the saw width. Simultaneously, the distance between tooth tips on the same side can be measured using either the first scale 14 or the second scale 15, enabling the measurement of multiple data such as saw width and tooth pitch of the saw in a single clamping operation. This allows for multi-dimensional measurement of the saw, improving the user experience.

[0026] Specifically, a moving grid is installed in the mounting slot, a fixed grid is installed on the ruler body 11, and an LCD screen is installed on the indicator block 10. The LCD screen is electrically connected to the moving grid and the fixed grid so that when the ruler body 11 moves in the mounting slot, the LCD screen can display the distance data between the first measuring component 12 and the second measuring component 13, so that the operator can measure the width of the sawn material.

[0027] Specifically, the measurement should be carried out in an environment where the room temperature is less than 40°C, and the speed at which the ruler 11 is moved should not exceed 1 m / s.

[0028] In embodiments of this utility model, such as Figure 1 and Figure 2 As shown, the saw width measuring device further includes: a first magnet 20 and a second magnet 21; the first magnet 20 is installed at the end of the first fixed arm 17 near the end of the second fixed arm 19; the second magnet 21 is installed at the end of the second fixed arm 19 near the end of the first fixed arm 17, and the second magnet 21 is opposite to the first magnet 20; wherein the magnetic poles of the first magnet 20 and the second magnet 21 are opposite.

[0029] By mounting the first magnet 20 on the end of the first fixed arm 17 near the end of the second fixed arm 19, and mounting the second magnet 21 on the end of the second fixed arm 19 near the end of the first fixed arm 17, the second magnet 21 is positioned opposite to the first magnet 20, and their magnetic poles are opposite. This allows the second magnet 21 to attract the first magnet 20 when they are close together, thereby clamping the saw body to be tested with the first magnet 20 and the second magnet 21. This improves the stability of the saw and thus enhances the accuracy of the measurement.

[0030] In embodiments of this utility model, such as Figure 1 and Figure 2 As shown, the first measuring component 12 includes: a first measuring claw 121, a first connecting frame 122, and a first connecting bolt 124; the first measuring claw 121 is connected to both the first connecting rod 16 and the ruler body 11; the first connecting frame 122 is provided with a first connecting groove 123, at least part of the first measuring claw 121 is embedded in the first connecting groove 123, and the first scale 14 is provided at the bottom of the first connecting frame 122; the first connecting bolt 124 passes through the first connecting frame 122 and the first measuring claw 121 in sequence.

[0031] By connecting the first measuring claw 121 to both the first connecting rod 16 and the ruler body 11, the first measuring claw 121 and the ruler body 11 can move synchronously. By embedding at least a portion of the first measuring claw 121 into the first connecting groove 123 of the first connecting frame 122, and passing the first connecting bolt 124 through the first connecting frame 122 and the first measuring claw 121 in sequence, the first connecting frame 122 and the first measuring claw 121 can be detachably connected. This allows for surface contact measurement of the saw using the first scale 14, as well as point contact measurement of the saw using the first measuring claw 121, thus adapting to different measurement environments and improving the user experience of the product.

[0032] In embodiments of this utility model, such as Figure 1 and Figure 2 As shown, the second measuring component 13 includes: a second measuring claw 131, a second connecting frame 132, and a second connecting bolt 134; the second measuring claw 131 is connected to the bottom of the indicator block 10; a second connecting groove 133 is provided in the second connecting frame 132, at least part of the second measuring claw 131 is embedded in the second connecting groove 133, and a second scale 15 is provided at the bottom of the second connecting frame 132; the second connecting bolt 134 passes through the second connecting frame 132 and the second measuring claw 131 in sequence.

[0033] By connecting the second measuring claw 131 to the bottom of the indicator block 10, the indicator block 10 supports the second measuring claw 131, thereby improving the stability of the second measuring claw 131. By embedding at least part of the second measuring claw 131 into the second connecting groove 133 of the second connecting frame 132, and passing the second connecting bolt 134 through the second connecting frame 132 and the second measuring claw 131 in sequence, the second connecting frame 132 and the second measuring claw 131 are detachably connected. This allows for surface contact measurement of the saw using the second scale 15, as well as point contact measurement of the saw using the second measuring claw 131, thus adapting to different measurement environments and improving the user experience of the product.

[0034] In embodiments of this utility model, such as Figure 1 and Figure 2As shown, the saw width measuring device also includes a top screw 22; the top screw 22 passes through the top of the indicator block 10 and is in contact with the ruler body 11.

[0035] By passing the set screw 22 through the top of the indicator block 10 and making the set screw 22 fit against the ruler body 11, the ruler body 11 is fixed inside the indicator block 10, thereby preventing relative movement between the first measuring component 12 and the second measuring component 13, thus improving the stability of the first measuring component 12 and improving the accuracy of product measurement.

[0036] In an embodiment of this utility model, the ruler body 11 and the mounting groove are in clearance fit.

[0037] By setting the ruler body 11 and the mounting slot to a clearance fit, the ruler body 11 can move within the mounting slot, thereby preventing the ruler body 11 from getting stuck when moving within the mounting slot and improving the user experience of the product.

[0038] In the embodiments of this utility model, the first fixed arm 17 and the first connecting rod 16 are in clearance fit; the second fixed arm 19 and the second connecting rod 18 are in clearance fit.

[0039] By setting the first fixed arm 17 and the first connecting rod 16 to a clearance fit, and setting the second fixed arm 19 and the second connecting rod 18 to a clearance fit, it is ensured that the first fixed arm 17 can move along the first connecting rod 16 and the second fixed arm 19 can move along the second connecting rod 18, thereby avoiding jamming of the first fixed arm 17 and the second fixed arm 19 during movement, thus improving the user experience of the product.

[0040] In embodiments of this utility model, such as Figure 1 and Figure 2 As shown, the cross-section of the first scale 14 is a right triangle; the cross-section of the second scale 15 is a right triangle.

[0041] By setting the cross-section of the first scale 14 and the second scale 15 to a right-angled triangle, the right-angled surfaces of the first scale 14 and the second scale 15 can align with the tooth tips on both sides of the saw, ensuring that the length directions of the first scale 14 and the second scale 15 are parallel to the line connecting the multiple saw teeth. Simultaneously, the graduation lines of the first scale 14 and the second scale 15 can be respectively set on the inclined surfaces of the first scale 14 and the second scale 15, facilitating reading by operators and thus improving the user experience.

[0042] In the description of this utility model, the term "multiple" refers to two or more. Unless otherwise explicitly defined, the terms "upper," "lower," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. The terms "connection," "installation," "fixing," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0043] In the description of this utility model, the terms "one embodiment," "some embodiments," "specific embodiment," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of this utility model. In this utility model, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0044] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A sawing stock width measuring device, characterized in that, The sawn width measuring device includes: An indicator block, wherein an installation groove is provided within the indicator block; The ruler body, at least a portion of which is embedded in the mounting groove; A first measuring component is connected to the ruler body and is located outside the indicator block; A second measuring component is mounted on the bottom of the indicator block and is opposite to the first measuring component. A first scale is disposed at the bottom of the first measuring component; A second scale is disposed at the bottom of the second measuring component, and the second scale is opposite to the first scale. A first connecting rod is connected to the end of the first measuring component that is away from the indicator block; The first fixed arm is L-shaped and is fitted onto the outside of the first connecting rod; The second connecting rod is connected to the end of the indicator block that is away from the ruler body; The second fixing arm is L-shaped and is fitted onto the outside of the second connecting rod, and is opposite to the first fixing arm.

2. A saw width measuring device according to claim 1, wherein The saw width measuring device also includes: A first magnet is mounted on the end of the first fixing arm near the second fixing arm; The second magnet is installed at the end of the second fixing arm near the first fixing arm, and the second magnet is opposite to the first magnet; The first magnet has opposite magnetic poles to the second magnet.

3. A saw width measuring device according to claim 1, wherein The first measurement component includes: The first measuring claw is connected to both the first connecting rod and the ruler body; A first connecting frame is provided with a first connecting groove, at least a portion of the first measuring claw is embedded in the first connecting groove, and the first scale is provided at the bottom of the first connecting frame; The first connecting bolt passes sequentially through the first connecting frame and the first measuring claw.

4. A saw width measuring device according to claim 3, wherein The second measurement component includes: The second measuring claw is connected to the bottom of the indicator block; The second connecting frame has a second connecting groove inside, at least part of the second measuring claw is embedded in the second connecting groove, and the second scale is located at the bottom of the second connecting frame; The second connecting bolt passes through the second connecting bracket and the second measuring claw in sequence.

5. A saw width measuring device according to claim 1, wherein The saw width measuring device also includes: A set screw passes through the top of the indicator block and is in contact with the ruler body.

6. The saw width measuring device according to claim 5, characterized in that: The ruler body and the mounting groove are clearance fit.

7. The saw width measuring device according to claim 6, characterized in that: The first fixed arm and the first connecting rod are clearance fit; The second fixed arm and the second connecting rod are clearance-fitted.

8. The saw width measuring device according to claim 1, characterized in that: The cross-section of the first ruler is a right triangle; The second scale is a right triangle in cross section. The second scale is a right triangle in cross section.

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