Track saw with quick positioning angle structure

Abstract

The utility model relates to a track saw with a rapid angle positioning structure, which comprises a track saw main body, a track saw bottom plate, an angle adjusting bottom plate, an angle adjusting panel and an angle rapid positioning device, the angle quick positioning device comprises an angle positioning block, an angle positioning knob and an angle positioning pin; the angle positioning block is fixedly mounted in the angle adjusting bottom plate and is provided with a plurality of groups of positioning grooves which respectively correspond to a plurality of adjusting angles; the angle positioning pin is fixedly installed on the angle positioning knob, the angle positioning knob is rotationally connected with the outer surface of the angle adjusting panel, an angle positioning sliding groove is formed in the angle adjusting panel, and the angle positioning pin penetrates through the angle positioning sliding groove and is matched with the multiple sets of positioning grooves of the angle positioning block in a matched mode. By means of the knob type multi-gear design, multi-angle fast switching is achieved, and operation convenience and structure simplicity are achieved at the same time.

Description

Technical Field

[0001] This utility model belongs to the field of track saw technology, and specifically relates to a track saw with a rapid positioning angle structure. Background Technology

[0002] As a precision cutting tool, the rail saw is widely used in woodworking, construction, metal processing, and other fields. Its core function lies in achieving high-precision control of linear cutting through a guide rail system. The angle adjustment mechanism, as a key module for achieving bevel and compound angle cuts, directly determines the equipment's adaptability to various scenarios and its processing efficiency. Especially in scenarios such as custom furniture production and irregular component processing, operators need to frequently switch cutting angles within a range of 0-45° or even larger, while ensuring angle repeatability within ±0.5°. However, existing angle adjustment technologies generally suffer from slow adjustment speed, low positioning accuracy, and insufficient locking reliability, severely restricting the improvement of processing efficiency and product quality.

[0003] Currently, mainstream angle adjustment mechanisms are mainly divided into four types: bolt-scale mechanical structure, gear-type locking mechanism, universal joint linkage adjustment system, and ratchet quick positioning mechanism. However, existing technologies have core defects. First, the adjustment efficiency and ease of operation are insufficient. Traditional bolt fastening structures require an average of 3-5 operation steps (loosening bolts - rotating - aligning the scale - tightening bolts), taking more than 2 minutes. In processes such as cabinet door panel grooving that require frequent angle switching, angle adjustment time accounts for 38% of the total operation time, seriously restricting the production line cycle time. While some quick-adjustment mechanisms shorten the single operation time, they are limited by preset angle settings and still cannot cover all working conditions. Second, there are defects in positioning accuracy and repeatability. The parallax error of mechanical scales is generally above ±1°, and insufficient rigidity of the base plate can lead to angle deviation after locking. Then there are issues with reliability and durability. The failure rate of moving parts (such as pawls and gears) in existing quick-adjustment mechanisms remains high in dusty environments. Frequent operation leads to significant mechanical wear, resulting in a severe decrease in angle repeatability accuracy. Furthermore, none of the existing technologies mentioned above can achieve rapid switching between multiple angles.

[0004] Chinese patent CN217412672U discloses a fixing device for adjusting the extension angle of a rail saw. It relates to the field of rail saws. A support base has a connecting through hole. One end of a screw passes through the cutting bevel guide groove on a guide seat and the connecting through hole on the support base, connecting to a knob. A limit wall seat is provided on the top left side of the guide seat. An adjusting screw hole is provided on the side of the limit wall seat, and a limit adjusting screw is screwed into the adjusting screw hole. A limit protrusion is provided on one side of the lower end of the guide seat. An expansion rod connecting cavity is provided on the inner side of one end of the support base, and an adjusting expansion rod is installed inside the expansion rod connecting cavity. By installing an adjustable extension angle fixing device on the rail saw, the operator can accurately control the cutting angle of the rail saw at -1 degree and 47 degrees. The adjustment and positioning methods for the -1 degree and 47 degree cutting angles are simple, achieving multi-angle adjustment cutting effects. However, it cannot achieve rapid switching between multiple angles; continuous fine-tuning is still required when angle adjustment is needed, and rapid positioning is not possible. Utility Model Content

[0005] The technical problem to be solved by this utility model is to provide a rail saw with a quick positioning angle structure. Through the knob-type multi-gear design, multiple angles can be quickly switched, which combines convenient operation and simple structure.

[0006] This utility model provides a rail saw with a rapid angle positioning structure, including a rail saw body and a rail saw base plate. The rail saw body and the rail saw base plate are rotatably connected. It also includes an angle adjustment base plate, an angle adjustment panel, and an angle rapid positioning device. The angle adjustment base plate is fixedly connected to the rail saw body, and the angle adjustment panel is fixedly connected to the rail saw base plate. The angle rapid positioning device includes an angle positioning block, an angle positioning knob, and an angle positioning pin. The angle positioning block is fixedly installed in the angle adjustment base plate and has several sets of positioning grooves, each corresponding to a certain adjustment angle. The angle positioning pin is fixedly installed on the angle positioning knob, and the angle positioning knob is rotatably connected to the outer surface of the angle adjustment panel. The angle adjustment panel has an angle positioning groove, and the angle positioning pin passes through the angle positioning groove and cooperates with the several sets of positioning grooves of the angle positioning block.

[0007] Preferably, the positioning groove is provided in three sets, corresponding to adjustment angles of 22.5°, 45°, and 47° respectively. This allows for angle adjustment at three levels: 22.5°, 45°, and 47°.

[0008] Preferably, the inner wall of the positioning groove has a sloping structure. This facilitates the engagement and disengagement of the angular positioning pin with different positioning grooves.

[0009] Preferably, the outer surface of the angle adjustment panel is provided with a plurality of angle marks, which correspond to the positioning grooves. This facilitates quick identification of the corresponding angle and enables rapid angle adjustment.

[0010] Preferably, it further includes an angle adjustment device, which comprises an angle adjustment slide, an adjustment pin, an adjustment knob, an angle gauge, and an angle indicator. The angle adjustment slide is disposed on the angle adjustment panel. The bottom of the adjustment pin is fixedly connected to the angle adjustment base plate, and the top passes through the adjustment slide and is threadedly connected to the adjustment knob. The adjustment knob is located on the outer surface of the angle adjustment panel. The angle gauge is fixedly disposed on the angle adjustment panel, and the angle indicator is fixedly disposed on the angle adjustment base plate. The angle gauge and the angle indicator are adapted to each other. The angle adjustment device allows for adjustment of more angles. The structure, where the bottom of the adjustment pin is fixedly connected to the angle adjustment base plate and the top passes through the adjustment slide and is threadedly connected to the adjustment knob, allows the track saw body to be fixed after the angle adjustment is completed by tightening the adjustment knob.

[0011] This utility model has the following technical effects:

[0012] 1. Multiple angle positioning is achieved by using several sets of positioning grooves corresponding to several adjustment angles. The structure of the angle positioning pin on the angle adjustment panel and several sets of positioning grooves on the angle adjustment base plate enables precise positioning at multiple gears and rapid angle switching, meeting the needs of the track saw for rapid switching of different angles in subdivided scenarios.

[0013] 2. The structure is fixedly installed on the angle positioning knob by the angle positioning pin, so that the quick positioning angle device has a knob design. The gear switching can be completed by rotating the angle positioning knob only once. The operation is convenient and no auxiliary tools are required. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of a rail saw with a rapid positioning angle structure, omitting the angle adjustment panel.

[0015] Figure 2 This is a schematic diagram of a rail saw with a rapid positioning angle structure.

[0016] In the diagram: 1. Main body of the track saw; 11. Angle adjustment base plate; 2. Track saw base plate; 21. Angle adjustment panel; 3. Angle quick positioning device; 31. Angle positioning block; 32. Angle positioning knob; 33. Angle positioning pin; 311. Positioning groove; 4. Angle positioning knob indicator; 5. Angle mark; 6. Angle adjustment device; 61. Angle adjustment slide; 62. Adjustment pin; 63. Adjustment knob; 64. Angle ruler; 65. Angle indicator. Detailed Implementation

[0017] To make the objectives, technical solutions and advantages of this utility model clearer, the following detailed description of this utility model is provided in conjunction with the accompanying drawings.

[0018] like Figure 1 , Figure 2 As shown, a rail saw with a rapid angle positioning structure includes a rail saw body 1 and a rail saw base plate 2. The rail saw body 1 and the rail saw base plate 2 are rotatably connected. It also includes an angle adjusting base plate 11, an angle adjusting panel 21, and an angle rapid positioning device 3. The angle adjusting base plate 11 is fixedly connected to the rail saw body 1, and the angle adjusting panel 21 is fixedly connected to the rail saw base plate 2. Figure 2 As shown, the angle rapid positioning device 3 includes an angle positioning block 31, an angle positioning knob 32, and an angle positioning pin 33. The angle positioning block 31 is fixedly installed in the angle adjustment base plate 11 and has several sets of positioning grooves 311, each corresponding to a certain adjustment angle. The angle positioning pin 33 is fixedly installed on the angle positioning knob 32, which is rotatably connected to the outer surface of the angle adjustment panel 21. The angle adjustment panel 21 has an angle positioning groove, and the angle positioning pin 33 passes through the angle positioning groove and cooperates with the several sets of positioning grooves 311 of the angle positioning block 31. By having several sets of positioning grooves 311 correspond to several adjustment angles, positioning at multiple angles can be achieved. Through the structure of the angle positioning pin 33 on the angle adjustment panel 21 cooperating with the several sets of positioning grooves 311 on the angle adjustment base plate 11, multi-level precise positioning and rapid angle switching can be achieved, meeting the needs of the rail saw for rapid switching of different angles in subdivided scenarios. The structure of the angle positioning knob 32 is fixedly installed by the angle positioning pin 33, so that the quick positioning angle device is a knob design. The gear switching can be completed by rotating the angle positioning knob 32 only once, which is convenient to operate and does not require auxiliary tools.

[0019] The positioning groove 311 has three sets, corresponding to adjustable angles of 22.5°, 45°, and 47° respectively. This allows for angle adjustment at three levels: 22.5°, 45°, and 47°.

[0020] The inner wall of the positioning groove 311 has a sloping structure, which facilitates the engagement and disengagement of the angle positioning pin 33 with different positioning grooves 311.

[0021] The angle positioning knob 32 is equipped with an angle positioning knob indicator 4, and the outer surface of the angle adjustment panel 21 is provided with several angle marks 5, which correspond to the positioning grooves 311. This facilitates quick identification of the corresponding angle and enables rapid angle adjustment.

[0022] It also includes an angle adjustment device 6, which comprises an angle adjustment groove 61, an adjustment pin 62, an adjustment knob 63, an angle gauge 64, and an angle indicator 65. The angle adjustment groove 61 is disposed on the angle adjustment panel 21. The bottom of the adjustment pin 62 is fixedly connected to the angle adjustment base plate 11, and the top angle passes through the adjustment groove and is threadedly connected to the adjustment knob 63. The adjustment knob 63 is placed on the outer surface of the angle adjustment panel 21. The angle gauge 64 is fixedly disposed on the angle adjustment panel 21, and the angle indicator 65 is fixedly disposed on the angle adjustment base plate 11. The angle gauge 64 and the angle indicator 65 are adapted to each other. The angle gauge 64 has a range of -1° to 47°. The angle adjustment device 6 allows for adjustment of more angles. The structure, where the bottom of the adjustment pin 62 is fixedly connected to the angle adjustment base plate 11 and the top angle passes through the adjustment groove and is threadedly connected to the adjustment knob 63, allows for the fixing of the track saw body 1 after angle adjustment by tightening the adjustment knob 63.

[0023] The method of using a rail saw with a rapid positioning angle structure is as follows:

[0024] In use, rotate the adjustment knob 63 counterclockwise to create a gap between the adjustment pin 62 and the angle adjustment slide 61, releasing the fixed state between the track saw body 1 and the angle adjustment panel 21. Observe the angle markings 5 ​​on the surface of the angle adjustment panel 21 to determine the target angle to be switched to: 22.5°, 45°, or 47°. Rotate the angle positioning knob 32 to move the angle positioning pin 33 radially along the angle positioning slide. Rotate the track saw body until the angle positioning pin 33 slides into the corresponding positioning groove 311, at which point the ramp structure of the positioning groove 311 guides the pin to precisely engage. Rotate the angle positioning knob 32 clockwise to the limit point. At this point, the track saw base plate 2 and the track saw body 1 form a preset angle, thereby achieving rapid angle positioning.

[0025] When finer adjustments are needed, keep the adjustment knob 63 in the loose position. Observe the current alignment scale of the angle ruler 64 and the angle indicator 65 to determine the reference angle. Rotate the track saw body 1 to slide the adjustment pin 62 along the angle adjustment slide 61, and rotate the angle adjustment base plate 11 relative to the angle adjustment panel 21. Precisely adjust to the desired angle (such as 30° or a custom angle) by changing the scale of the angle indicator 65 corresponding to the angle ruler 64. Tighten the adjustment knob 63 clockwise to press the adjustment pin 62 and the angle adjustment slide 61 together through the thread pressure, thus locking the track saw angle.

[0026] When it is necessary to frequently switch between the 22.5°, 45° and 47° standard angles, the angle can be quickly switched by simply operating the angle positioning knob 32. This is suitable for standardized operations such as floor splicing and frame cutting.

[0027] When cutting non-standard angles (such as irregular cuts in custom furniture), the 1° precision scale of the angle ruler 64 allows for fine-tuning of any angle within the range of -1° to 47°, meeting the needs of special working conditions.

[0028] The angle can be quickly positioned to the nearest standard angle (e.g., 45°) using the angle positioning device 3, and then the adjustment device can be used to make fine adjustments within a range of ±5°, balancing efficiency and accuracy.

[0029] The embodiments described above are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model. Various modifications and improvements made to the technical solutions of the present utility model by those skilled in the art without departing from the spirit of the present utility model should fall within the protection scope defined by the claims of the present utility model.

Claims

1. A track saw having a fast positioning angle structure, comprising a track saw main body and a track saw base plate, the track saw main body being rotationally connected with the track saw base plate, characterized in that, It also includes angle adjusting base plate, angle adjusting panel and angle quick positioning device, the angle adjusting base plate is fixedly connected with the track saw body, the angle adjusting panel is fixedly connected with the track saw base plate, the angle quick positioning device includes angle positioning block, angle positioning knob and angle positioning pin; The angle positioning block is fixedly installed in the angle adjusting base plate, and is provided with a plurality of groups of positioning grooves corresponding to a plurality of adjusting angles; The angle positioning pin is fixedly installed on the angle positioning knob, the angle positioning knob is rotatably connected with the outer surface of the angle adjusting panel, the angle adjusting panel is provided with an angle positioning sliding groove, and the angle positioning pin passes through the angle positioning sliding groove and is matched with the positioning grooves of the angle positioning block.

2. A track saw with a fast positioning angle structure according to claim 1, characterized in that, The positioning groove is provided with three groups, and corresponds to 22.5°, 45° and 47° adjusting angles respectively.

3. A track saw with a fast positioning angle structure according to claim 2, characterized in that, The inner wall of the positioning groove is a slope structure.

4. The track saw with a fast positioning angle structure according to claim 1, characterized in that, The outer surface of the angle adjusting panel is provided with a plurality of angle marks, and the angle marks correspond to the positioning grooves.

5. The track saw with a fast positioning angle structure according to claim 1, wherein, It also includes angle adjusting device, the angle adjusting device includes angle adjusting sliding groove, adjusting pin, adjusting knob, angle ruler and angle indicating part, the angle adjusting sliding groove is arranged on the angle adjusting panel, the bottom of the adjusting pin is fixedly connected with the angle adjusting base plate, and the top angle is threadedly connected with the adjusting knob through the adjusting sliding groove; The adjusting knob is arranged on the outer surface of the angle adjusting panel; The angle ruler is fixedly arranged on the angle adjusting panel, and the angle indicating part is fixedly arranged on the angle adjusting base plate; The angle ruler is matched with the angle indicating part.

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