Electric circular saw with optical tracing device

Abstract

The present application relates to the technical field of electric tools, and especially relates to an electric circular saw with an optical tracing device, which comprises an electric circular saw body, an arc-shaped protective cover elastically installed on the side wall of the electric circular saw body, an electrically-controlled optical tracing probe installed on the arc-shaped surface of the outer side of the arc-shaped protective cover, a side-hung dust collection bin installed on the outer wall of the arc-shaped protective cover, and a centrally-arranged integrated pump installed on the side-hung dust collection bin. The electric circular saw with the optical tracing device can elastically reduce the impact of flying chips, thereby reducing the adhesion to the inner wall and facilitating the suction of the flying chips into the side-hung dust collection bin. The side-hung dust collection bin installed on the outer wall of the arc-shaped protective cover can quickly separate the flying chips and high temperature, thereby improving the cutting efficiency and reducing the influence on the surrounding environment.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electric tools, in particular to an electric circular saw with an optical tracing device. BACKGROUND

[0002] An electric circular saw is an electric tool powered by a single-phase series motor, which drives a circular saw blade to perform sawing operations through an internal transmission mechanism, and has the characteristics of safety and reliability, small size, and high work efficiency. It is widely used for sawing operations of various wood, fiberboard, plastic, and soft cable.

[0003] Traditional electric circular saws on the market require continuous downward pressure to ensure cutting stability during cutting, and then cut along the pre-marked line. However, relying entirely on manual operation not only increases the feeling of fatigue, but also requires a high degree of personal operation proficiency, and cannot automatically correct the angle during operation, making the functionality relatively simple. SUMMARY

[0004] The technical problem to be solved by the present application is that traditional electric circular saws on the market not only increase the feeling of fatigue during operation, but also require a high degree of personal operation proficiency, and cannot automatically correct the angle during operation, making the functionality relatively simple.

[0005] The technical solution adopted by the present application to solve the technical problem is an electric circular saw with an optical tracing device, comprising an electric circular saw body, an arc-shaped protective cover is elastically mounted on the side wall of the electric circular saw body, an electrically controlled optical tracing probe is mounted on the outer arc surface of the arc-shaped protective cover, a side-hung dust collection bin is mounted on the outer wall of the arc-shaped protective cover, and a centrally integrated pump is mounted on the side-hung dust collection bin.

[0006] An annular assembly groove is formed in the side wall of the electric circular saw body, a lateral assembly ring is elastically assembled in the annular assembly groove, and the arc-shaped protective cover is fixedly assembled with the lateral assembly ring through bolts.

[0007] An outwardly protruding lateral mounting frame is fixed on the outer arc surface of the arc-shaped protective cover, and the side-hung dust collection bin is fixedly mounted on the outer side of the lateral mounting frame.

[0008] An arc-shaped adjustment guide rail for mounting the electrically controlled optical tracing probe is fixedly assembled on the side wall of the lateral mounting frame.

[0009] The electrically-controlled optical tracking probe comprises a side-hung adjusting slider slidingly assembled inside the arc-shaped adjusting guide rail, an external boss fixed outside the side-hung adjusting slider, a turnover adjusting box movably sleeved on the external boss, an optical emission module and an optical monitoring probe fixed inside the turnover adjusting box, a worm gear driving unit installed inside the side-hung adjusting slider, and an angle adjusting unit installed inside the external boss.

[0010] The bottom support frame is provided with an arc-shaped barrier plate protruding upward on the upper surface of the bottom support frame corresponding to both sides of the arc-shaped protective cover.

[0011] The bottom turnover adjusting frame is movably assembled at the lower end of the bottom support frame, and the bottom turnover adjusting frame is internally provided with an upwardly protruding strip-shaped transmission frame.

[0012] The strip-shaped transmission frame is movably assembled with an electrically-controlled track controlled by the optical monitoring probe.

[0013] The bottom support frame is internally provided with a strip-shaped gap matched with the strip-shaped transmission frame.

[0014] The electric circular saw body is provided with a control handle at the upper end.

[0015] The beneficial effects of the present application are:

[0016] (1) The electric circular saw with an optical tracking device can elastically reduce the impact of flying debris by elastically installing an arc-shaped protective cover on the side wall of the electric circular saw body, thereby reducing the adhesion to the inner wall and facilitating the suction of the flying debris into the side-hung dust collection bin.

[0017] (2) The side-hung dust collection bin installed on the outer wall of the arc-shaped protective cover can quickly separate the flying debris and high temperature, thereby improving the cutting efficiency and reducing the impact on the surrounding environment.

[0018] (3) The electrically-controlled optical tracking probe is installed on the arc-shaped adjusting guide rail on the outer arc surface of the arc-shaped protective cover, which can calibrate the mark on the cutting surface or the cutting surface according to the electrically-controlled optical tracking probe, and then directly display the cutting direction of the electric circular saw, thereby facilitating the movement of the cutting for the operator.

[0019] (4) The electrically-controlled optical tracking probe can be electrically controlled to move to different positions of the arc-shaped protective cover, which can not only calibrate the mark line, but also calibrate the cutting opening, and the calibration method is more diverse.

[0020] (5) The bottom overturning adjusting frame is movably assembled at the lower end of the bottom supporting frame, and a strip-shaped transmission frame with an electrically-controlled track installed inside is arranged in the bottom overturning adjusting frame. The electrically-controlled track controlled by the electrically-controlled optical tracking probe can correct the cutting angle of the electric circular saw in real time during operation, and can also assist in translation, greatly improving the cutting precision and reducing the operation difficulty. BRIEF DESCRIPTION OF DRAWINGS

[0021] The application will be further described below in conjunction with the drawings and embodiments.

[0022] Figure 1 is a structural schematic diagram of the application.

[0023] Figure 2 is a lateral internal structure schematic diagram of the application.

[0024] Figure 3 is a partial schematic diagram of the assembly end of the bottom supporting frame, the bottom overturning adjusting frame and the strip-shaped transmission frame in the application.

[0025] Figure 4 is a lateral schematic diagram of the electrically-controlled optical tracking probe in the application.

[0026] Figure 5 is a structural schematic diagram of the lateral assembly ring in the application. DETAILED DESCRIPTION

[0027] The application will be further described below in conjunction with the drawings and embodiments. These drawings are all simplified schematic diagrams, and only illustrate the basic structure of the application in a schematic manner, and thus only show the components related to the application.

[0028] In the description of the application, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or detachably connected, or integrally connected; it can be mechanically connected, or electrically connected; it can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.

[0029] Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 An electric circular saw with an optical tracking device is shown in the drawings, which comprises an electric circular saw body 1, an arc-shaped protective cover 2 is elastically mounted on the side wall of the electric circular saw body 1, an electrically-controlled optical tracking probe 3 is mounted on the outer arc surface of the arc-shaped protective cover 2, a side-hung dust collection bin 4 is mounted on the outer wall of the arc-shaped protective cover 2, and a centrally-integrated pump 5 is mounted on the side-hung dust collection bin 4.

[0030] Working principle: the middle integrated pump 5 is driven by a turbine fan, which is fixed outside the side-hung dust bin 4 and discharges waste gas through a lateral exhaust port. The waste residue drawn into the side-hung dust bin 4 is blocked inside the side-hung dust bin 4 by the filter screen.

[0031] To match the lateral assembly, an annular assembly groove is formed on the side wall of the electric circular saw body 1, and a lateral assembly ring 6 is elastically assembled inside the annular assembly groove. The arc-shaped protective cover 2 is fixedly assembled with the lateral assembly ring 6 through bolts.

[0032] The lateral assembly ring 6 is elastically assembled with the annular assembly groove through a torsion spring inside the annular assembly groove. When the electric circular saw body 1 is cutting, the flying debris will be guided into the arc-shaped protective cover 2. As the arc-shaped protective cover 2 guides the material upward, the generated extrusion force will drive the lateral assembly ring 6 to rotate for a short distance. When the impact force decreases, the torsion spring drives the lateral assembly ring 6 and the arc-shaped protective cover 2 to rebound, thereby generating vibration to shake off and separate the arc-shaped protective cover 2, so as to be conveniently drawn into the side-hung dust bin 4 inside the arc-shaped protective cover 2 through the opening on the side wall of the arc-shaped protective cover 2.

[0033] To match the assembly, an outwardly protruding lateral mounting frame 7 is fixed on the outer arc surface of the arc-shaped protective cover 2, and the side-hung dust bin 4 is fixedly mounted outside the lateral mounting frame 7.

[0034] To improve the adjustment guiding property, an arc-shaped adjustment guide rail 8 for mounting the electrically controlled optical tracking probe 3 is fixedly assembled on the side wall of the lateral mounting frame 7.

[0035] The side-hung dust bin 4 and the arc-shaped adjustment guide rail 8 are respectively fixed on both sides of the lateral mounting frame 7.

[0036] An arc-shaped tooth groove is formed on the inner wall of the arc-shaped adjustment guide rail 8.

[0037] To match the electrically controlled adjustment, the electrically controlled optical tracking probe 3 includes a side-hung adjustment sliding block 31 slidingly assembled inside the arc-shaped adjustment guide rail 8, an external boss 32 fixed outside the side-hung adjustment sliding block 31, a flip adjustment box 33 movably sleeved on the external boss 32, an optical emission module 34 and an optical monitoring probe 35 fixed inside the flip adjustment box 33, a worm gear drive unit 36 mounted inside the side-hung adjustment sliding block 31, and an angle adjustment unit 37 mounted inside the external boss 32.

[0038] The worm gear drive unit 36 includes an inner drive gear mounted on the side-hung adjustment sliding block 31 and engaged with the arc-shaped tooth groove, an inner drive worm fixed coaxially with the inner drive gear, and an electrically controlled worm engaged with the inner drive worm. The electrically controlled worm drives the inner drive worm, thereby driving the inner drive gear to rotate, and thereby driving the side-hung adjustment sliding block 31 to move along the arc-shaped tooth groove inside the arc-shaped adjustment guide rail 8.

[0039] The angle adjusting unit 37 includes an internal adjusting motor fixed inside the external boss 32 and an external adjusting gear axially fixed on the adjusting shaft at the end of the internal adjusting motor. The flip adjusting box 33 is assembled on the wall of the face, and an annular adjusting gear slot is arranged on the wall of the face. The external adjusting gear is engaged with the annular adjusting gear slot. The internal adjusting motor drives the flip adjusting box 33 to flip by controlling the rotation of the external adjusting gear.

[0040] In the initial operation, the side-hung adjusting slider 31 drives the flip adjusting box 33 to move to the front end of the arc-shaped protective shell 2, and the flip adjusting box 33 flips forward. At this time, the optical emission module 34 emits a laser line downward, and the optical monitoring probe 35 compares the positions of the laser line and the mark line to confirm whether the cutting direction of the electric circular saw is accurate through video comparison. When cutting a distance, the length exceeds the mark line, at this time, the side-hung adjusting slider 31 drives the flip adjusting box 33 to move to the rear end of the arc-shaped protective shell 2, and the flip adjusting box 33 flips backward. At this time, the optical emission module 34 emits a laser line downward to the cutting opening, and the optical monitoring probe 35 compares the position of the laser line. If the laser line passes through the cutting opening, no light spot will be generated on both sides of the cutting opening. At this time, it indicates that the angle is accurate.

[0041] When the position is found to be skewed, the angle of the electric circular saw is actively corrected to keep the angle consistent.

[0042] In order to improve the bottom support force and avoid the flying debris from flying outward, the bottom support frame 9 is fixedly assembled at the bottom of the electric circular saw body 1. The upper surface of the bottom support frame 9 is provided with an arc-shaped barrier plate 10 upwardly protruding corresponding to both sides of the arc-shaped protective shell 2.

[0043] The bottom support frame 9 is internally provided with an opening matched with the circular saw of the electric circular saw body 1.

[0044] In order to cooperate with the bottom installation, the bottom flip adjusting frame 11 is movably assembled at the lower end of the bottom support frame 9. The bottom flip adjusting frame 11 is internally provided with a strip-shaped transmission frame 12 upwardly protruding.

[0045] The bottom support frame 9 is movably assembled with the bottom flip adjusting frame 11 through the shaft assembled at one side of the lower end.

[0046] In order to cooperate with the driving translation and angle correction, the strip-shaped transmission frame 12 is movably assembled with the electric control track 13 controlled by the optical monitoring probe 35.

[0047] The electric control track 13 is installed in the strip-shaped transmission frame 12 on both sides of the bottom flip adjusting frame 11. The electric control track 13 drives the entire bottom flip adjusting frame 11 and the bottom support frame 9 to translate or adjust by rotating.

[0048] When the two sides of the electrically controlled track 13 are synchronized and run in the same direction, the bottom overturning adjustment frame 11 and the bottom supporting frame 9 drive the electric circular saw body 1 to translate; and when the two sides of the electrically controlled track 13 are synchronized and run in opposite directions, the bottom overturning adjustment frame 11 and the bottom supporting frame 9 drive the electric circular saw body 1 to adjust the angle.

[0049] In order to cooperate with the installation and transition, the bottom supporting frame 9 is internally provided with a strip-shaped gap matched with the strip-shaped transmission frame 12.

[0050] When the bottom supporting frame 9 is overturned and attached to the upper end of the bottom overturning adjustment frame 11, the strip-shaped gap is sleeved outside the strip-shaped transmission frame 12, so that the bottom supporting frame 9 can be overturned and attached to the upper surface of the bottom overturning adjustment frame 11.

[0051] In order to facilitate the lifting operation stability, the electric circular saw body 1 is provided with a control handle 14 at the upper end.

[0052] People control the electric circular saw body 1 by holding the control handle 14.

[0053] 1. Comparison method of optical monitoring probe

[0054] The comparison of the electrically controlled optical tracking probe is realized through three steps of “laser emission-image acquisition-algorithm analysis”:

[0055] Laser emission: the optical emission module 34 emits a 650nm red laser line (power 5mW), aligns the workpiece mark line before cutting, and aligns the cutting opening during cutting;

[0056] Image acquisition: the optical monitoring probe 35 adopts a 1000 pixel CMOS sensor, and acquires 20 frames of images per second to capture the relative position of the laser line and the mark line / cutting opening;

[0057] Algorithm analysis: the probe is provided with an MCU processor, which runs an “edge detection algorithm”, extracts the profile of the laser line and the mark line / cutting opening, calculates the offset (accuracy ±0.1mm), and triggers the calibration signal if the offset is greater than 0.1mm.

[0058] 2. Implementation method of video comparison

[0059] The video comparison relies on the “real-time image storage+frame comparison” technology:

[0060] Storage: the probe is provided with an 8GB flash memory to store the acquired image frames in real time;

[0061] Contrast: the processor compares the current frame with the "standard frame" (laser alignment line frame before cutting), if the coincidence of the laser line and the alignment line is <95%, it is determined to be abnormal; if the laser line does not "completely pass through the cutting port" during cutting, it is determined to be angle deviation.

[0062] 3. The way of controlling the track by the optical monitoring probe

[0063] The probe controls the electric track 13 through "signal transmission-driving adjustment", the specific logic is as follows:

[0064] Signal transmission: the probe transmits the offset signal (electrical signal) to the electric circular saw main control board through the CAN bus;

[0065] Driving adjustment: the main control board controls the track driving motor in the bar-shaped transmission frame 12 according to the offset direction (left offset / right offset), when left offset, the right track speed is increased by 10% and the left track speed is decreased by 10%, realizing right calibration; when right offset, vice versa; if translation is needed, the tracks on both sides run at the same speed of 500 rpm.

[0066] With the above ideal embodiments according to the present application as inspiration, through the above description, relevant staff can make various changes and modifications without deviating from the scope of the technical idea of the present application. The technical scope of the present application is not limited to the contents in the specification, and must be determined according to the scope of the claims.

Claims

1. An electric circular saw equipped with an optical tracking device, comprising an electric circular saw body (1), characterized in that: An arc-shaped protective cover (2) is elastically installed on the side wall of the electric circular saw body (1). An electronically controlled optical tracking probe (3) is installed on the outer arc surface of the arc-shaped protective cover (2). A side-mounted dust collection bin (4) is installed on the outer wall of the arc-shaped protective cover (2). A centrally located integrated pump (5) is installed on the side-mounted dust collection bin (4). The arc-shaped protective cover (2) has an outwardly protruding lateral mounting frame (7) fixed on its outer arc surface, and the side-mounted dust collection bin (4) is fixedly installed on the outside of the lateral mounting frame (7). The lateral mounting frame (7) is fixedly fitted with an arc-shaped adjustment rail (8) for mounting an electronically controlled optical tracking probe (3). The electrically controlled optical tracking probe (3) includes a side-mounted adjustment slider (31) slidably mounted inside the arc-shaped adjustment guide rail (8), an external boss (32) fixed outside the side-mounted adjustment slider (31), a flip adjustment box (33) movably mounted on the external boss (32), an optical emission module (34) and an optical monitoring probe (35) fixed inside the flip adjustment box (33), a worm gear drive unit (36) installed inside the side-mounted adjustment slider (31), and an angle adjustment unit (37) installed inside the external boss (32).

2. The electric circular saw equipped with an optical tracking device according to claim 1, characterized in that: The electric circular saw body (1) has an annular assembly groove on its side wall, and a lateral assembly ring (6) is elastically assembled inside the annular assembly groove. The arc-shaped protective cover (2) is fixedly assembled with the lateral assembly ring (6) by bolts.

3. The electric circular saw equipped with an optical tracking device according to claim 1, characterized in that: The bottom of the electric circular saw body (1) is fixedly equipped with a bottom support frame (9), and the upper surface of the bottom support frame (9) has an upwardly protruding arc-shaped barrier plate (10) on both sides of the arc-shaped protective cover (2).

4. An electric circular saw equipped with an optical tracking device according to claim 3, characterized in that: The bottom support frame (9) is movably fitted with a bottom flip adjustment frame (11), and the bottom flip adjustment frame (11) has an upwardly protruding strip transmission frame (12) inside.

5. An electric circular saw equipped with an optical tracking device according to claim 4, characterized in that: The strip drive frame (12) is internally fitted with an electrically controlled track (13) controlled by an optical monitoring probe (35).

6. An electric circular saw equipped with an optical tracking device according to claim 4, characterized in that: The bottom support frame (9) has a strip-shaped notch inside that matches the strip-shaped transmission frame (12).

7. An electric circular saw equipped with an optical tracking device according to claim 1, characterized in that: The upper end of the electric circular saw body (1) is equipped with a control handle (14).

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