CN211248568U - Miter saw with shape-following auxiliary connecting rod - Google Patents
Miter saw with shape-following auxiliary connecting rod Download PDFInfo
- Publication number
- CN211248568U CN211248568U CN201921962623.1U CN201921962623U CN211248568U CN 211248568 U CN211248568 U CN 211248568U CN 201921962623 U CN201921962623 U CN 201921962623U CN 211248568 U CN211248568 U CN 211248568U
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- connecting rod
- saw blade
- blade shield
- saw
- auxiliary connecting
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Abstract
The utility model discloses a miter saw with a shape-following auxiliary connecting rod, wherein a saw blade shield is rotationally connected with a housing at the output shaft of a driving mechanism and can rotate along the housing; a connecting rod is arranged between the rocker arm and the saw blade shield, one end of the connecting rod is connected with the saw blade shield through a bolt and a nut, and the other end of the connecting rod is provided with a strip-shaped hole which is connected with the rocker arm through a bolt and a nut arranged at the strip-shaped hole; the rocker arm is also provided with a shape following auxiliary connecting rod, the shape following auxiliary connecting rod is provided with a groove, the depth of the wall surface of the middle part of the groove is gradually increased, the connecting rod is provided with a following screw rod, and when the machine head is pressed down, the following screw rod is attached to the wall surface of the groove and moves along with the wall surface of the groove, so that the saw blade shield is driven to rotate. The utility model discloses well saw bit guard shield and output shaft swivelling joint, rethread set up the retinue screw rod on the connecting rod with follow shape auxiliary connecting rod cooperation realize opening, closing the control that carries out speed to the saw bit guard shield, improve the speed of opening, avoid the saw bit guard shield and wait to cut the work piece bump, reduce the speed when closing.
Description
Technical Field
The utility model relates to a mitre saw specifically is the mitre saw of supplementary connecting rod of area along with shape.
Background
Currently, miter saws on the market suffer from the following disadvantages: the existing miter saw realizes the opening and closing of the saw blade shield through the connecting rod, the opening speed of the miter saw is uncontrollable, and the saw blade shield is easy to interfere with a workpiece to be cut when the miter saw is opened; when closed, the blade guard cannot be closed slowly.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
To the not enough of prior art, the utility model provides a take mitre saw along with supplementary connecting rod of shape has solved the problem of mentioning in the background art.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme:
the miter saw with the shape following auxiliary connecting rod comprises a base, a rotating table arranged on the base and rotationally connected with the base, a machine head arranged on the rotating table and provided with a rocker arm and hinged with the rocker arm, wherein the machine head comprises a driving mechanism and a saw blade driven by an output shaft of the driving mechanism, and a housing and a saw blade shield are arranged outside the saw blade; the saw blade shield is rotationally connected with a housing at the output shaft of the driving mechanism and can rotate along the housing; a connecting rod is arranged between the rocker arm and the saw blade shield, one end of the connecting rod is connected with the saw blade shield through a bolt and a nut, and the other end of the connecting rod is provided with a strip-shaped hole which is connected with the rocker arm through a bolt and a nut arranged at the strip-shaped hole; the rocker arm is also provided with a conformal auxiliary connecting rod, the top wall surface of the conformal auxiliary connecting rod is provided with an inclined plane inclined to the left side, the middle part of the conformal auxiliary connecting rod is provided with a groove sunken to the right side, the sunken depth is gradually increased from top to bottom, a follower screw rod is arranged on the connecting rod, when the machine head is pressed down, the follower screw rod on the connecting rod is abutted against the inclined plane and slides along the inclined plane to drive the connecting rod to move left, the connecting rod pulls the saw blade shield to accelerate the opening speed of the saw blade shield, and the saw blade shield is prevented from being opened; after the cutting is finished, the following screw rod moves along the groove, and the saw blade shield performs a slow falling and resetting process.
Preferably, the driving mechanism comprises a motor, a speed reducer and a transmission roller, the motor and the speed reducer are driven by a belt, the speed reducer and the transmission roller are connected by a coupling, and an output shaft of the transmission roller is connected with the saw blade.
Preferably, the shape-following auxiliary connecting rod is detachably fixed at the hinged position of the rocker arm and the machine head.
(III) advantageous effects
The utility model provides a miter saw with a shape-following auxiliary connecting rod. The method has the following beneficial effects:
when the machine head of the utility model is pressed downwards, the following screw rod on the connecting rod is abutted against the inclined plane and slides along the inclined plane to drive the connecting rod to move left, the connecting rod pulls the saw blade shield to accelerate the opening speed of the saw blade shield, and the saw blade shield is prevented from being slowly opened and colliding with a workpiece to be cut; after the cutting is finished, the following screw rod moves along the groove, and the saw blade shield performs a slow falling and resetting process.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a side view of the present invention.
Fig. 2 is a schematic view of the structure of the nose section (showing the blade guard).
In the figure: the cutting machine comprises a base 1, a rotating table 2, a rocker arm 3, a driving mechanism 4, a saw blade 5, a housing 6, a saw blade shield 7, a connecting rod 8, a strip-shaped hole 81, a following screw rod 82, a following auxiliary connecting rod 9, a groove 91 and an inclined plane 911.
Detailed Description
The following detailed description of the present invention will be made with reference to the accompanying drawings and examples.
As shown in fig. 1-2, the utility model provides a technical solution: the miter saw with the shape following auxiliary connecting rod comprises a base 1, a rotating table 2 arranged on the base 1 and rotationally connected with the base, a machine head arranged on the rotating table 2 and provided with a rocker arm 3 and hinged with the rocker arm 3, wherein the machine head comprises a driving mechanism 4 and a saw blade 5 driven by an output shaft of the driving mechanism 4, and a housing 6 and a saw blade shield 7 are arranged outside the saw blade 5; the saw blade shield 7 is rotationally connected with a housing 6 at the output shaft of the driving mechanism 4 and can rotate along the housing 6; a connecting rod 8 is arranged between the rocker arm 3 and the saw blade shield 7, one end of the connecting rod 8 is connected with the saw blade shield 7 through a bolt and a nut, and the other end of the connecting rod 8 is provided with a strip-shaped hole 81 and is connected with the rocker arm 3 through a bolt and a nut arranged at the strip-shaped hole 81; the rocker arm 3 is further provided with a shape following auxiliary connecting rod 9, the shape following auxiliary connecting rod 9 is provided with a groove 91, the depth of the groove 91 is gradually increased from top to bottom, the connecting rod 8 is provided with a following screw rod 82, and when the machine head is pressed downwards, the following screw rod 82 is attached to the wall surface of the groove 91 and moves along with the wall surface of the groove 91, so that the saw blade shield 7 is driven to rotate. The rocker arm 3 is further provided with a conformal auxiliary connecting rod 9, the top wall surface of the conformal auxiliary connecting rod 9 is provided with an inclined surface 911 inclined towards the left side, the middle part of the conformal auxiliary connecting rod 9 is provided with a groove sunken towards the right side, the sunken depth is gradually increased from top to bottom, a follower screw 82 is arranged on the connecting rod 8, when the machine head is pressed downwards, the follower screw 82 on the connecting rod 8 is abutted against the inclined surface 911 and slides along the inclined surface 911 to drive the connecting rod 8 to move leftwards, the connecting rod 8 pulls the saw blade shield 7 to accelerate the opening speed of the saw blade shield 7, and the saw blade shield 7 is prevented from being opened; after the cutting is completed, the follower screw 82 moves along the groove, and the blade guard 7 performs a slow falling and resetting process.
Wherein the section of the saw blade shield 7 is a u-shaped structure, and the saw blade 5 is positioned inside.
Preferably, the driving mechanism 4 comprises a motor, a speed reducer and a transmission roller, the motor and the speed reducer are driven by a belt, the speed reducer and the transmission roller are connected by a coupling, and an output shaft of the transmission roller is connected with the saw blade 5.
Preferably, the shape-following auxiliary connecting rod 9 is detachably fixed at the hinged position of the rocker arm 3 and the machine head.
In fig. 2, 10 is a bolt and a nut.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (3)
1. The area is along with miter saw of shape auxiliary connecting rod, it includes the base, set up on the base and rather than swivelling joint's revolving stage, set up be equipped with the rocking arm on the revolving stage and with rocking arm articulated aircraft nose, its characterized in that: the machine head comprises a driving mechanism and a saw blade driven by an output shaft of the driving mechanism, and a housing and a saw blade shield are arranged outside the saw blade; the saw blade shield is rotationally connected with the housing, the connection position corresponds to the rotation center of the saw blade, and the saw blade shield can rotate along the housing; a connecting rod is arranged between the rocker arm and the saw blade shield, one end of the connecting rod is connected with the saw blade shield through a bolt and a nut, and the other end of the connecting rod is provided with a strip-shaped hole which is connected with the rocker arm through a bolt and a nut arranged at the strip-shaped hole; the rocker arm is also provided with a conformal auxiliary connecting rod, the top wall surface of the conformal auxiliary connecting rod is provided with an inclined plane inclined to the left side, the middle part of the conformal auxiliary connecting rod is provided with a groove sunken to the right side, the sunken depth is gradually increased from top to bottom, a follower screw rod is arranged on the connecting rod, when the machine head is pressed down, the follower screw rod on the connecting rod is abutted against the inclined plane and slides along the inclined plane to drive the connecting rod to move left, the connecting rod pulls the saw blade shield to accelerate the opening speed of the saw blade shield, and the saw blade shield is prevented from being opened; after the cutting is finished, the following screw rod moves along the groove, and the saw blade shield performs a slow falling and resetting process.
2. A miter saw with a profile following assist link as in claim 1, wherein: the driving mechanism comprises a motor, a speed reducer and a transmission roller, the motor and the speed reducer are driven by a belt, the speed reducer and the transmission roller are connected by a coupler, and an output shaft of the transmission roller is connected with the saw blade.
3. A miter saw with a profile following assist link as in claim 1, wherein: the shape following auxiliary connecting rod is detachably fixed at the hinged position of the rocker arm and the machine head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921962623.1U CN211248568U (en) | 2019-11-14 | 2019-11-14 | Miter saw with shape-following auxiliary connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921962623.1U CN211248568U (en) | 2019-11-14 | 2019-11-14 | Miter saw with shape-following auxiliary connecting rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211248568U true CN211248568U (en) | 2020-08-14 |
Family
ID=71964819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921962623.1U Active CN211248568U (en) | 2019-11-14 | 2019-11-14 | Miter saw with shape-following auxiliary connecting rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211248568U (en) |
-
2019
- 2019-11-14 CN CN201921962623.1U patent/CN211248568U/en active Active
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