Disclosure of Invention
The technical problems to be solved by the invention are as follows: aiming at the problem of lower cleaning efficiency of the existing cleaning device, the brush protecting device and the drilling machine are provided.
In order to solve the technical problems, in one aspect, an embodiment of the present invention provides a brush protecting device, including a driving member, a mounting seat, a brush seat, a protecting cover and a return member; the protective cover is rotationally connected to the mounting seat, and the return piece is connected between the protective cover and the mounting seat;
the brush seat is used for installing a brush, and the output end of the driving piece is connected with the brush seat and drives the brush seat to move between a first position and a second position; when the brush seat moves from the first position to the second position, the protective cover can be driven to be opened so as to expose the brush;
when the brush seat moves from the second position to the first position, the return piece can drive the protective cover to be closed so as to cover the brush.
Optionally, a guide part is disposed on a side of the protective cover, which is close to the brush seat, and the brush seat can move along the guide part when moving from the first position to the second position, so as to drive the protective cover to rotate.
Optionally, a side of the guide part, which is close to the brush seat, is provided with an inclined surface which forms an acute angle with the movement direction of the brush seat.
Optionally, the protective cover comprises a cover body and a shielding part connected to the cover body, the cover body is rotationally connected to the mounting seat, and the guiding part is arranged on the cover body;
the shielding part extends from the cover body towards the direction of the brush and is used for shielding the brush.
Optionally, a transition portion is further provided on the cover body, the transition portion is connected between the guide portion and the shielding portion, and the shielding portion extends beyond the transition portion in the extending direction.
Optionally, the protecting cover comprises a first protecting cover and a second protecting cover, the brush seat is arranged between the first protecting cover and the second protecting cover, and the brush seat moves along the guiding part of the first protecting cover and the guiding part of the second protecting cover so as to push the first protecting cover and the second protecting cover to rotate in opposite directions.
Optionally, the brush protecting device further comprises a rotating shaft, the rotating shaft is connected to the mounting seat, and the protecting cover is suitable for rotating around the rotating shaft;
the protective cover is provided with an accommodating groove, and the return piece is arranged on the rotating shaft and arranged in the accommodating groove.
Optionally, a fixing rod is arranged on the mounting seat, and a clamping groove is formed in the fixing rod;
the return piece is a torsion spring, a rotary oil cylinder or an air cylinder; the torsion spring is provided with a main body, a first torsion arm and a second torsion arm, the main body is sleeved on the rotating shaft, the first torsion arm is arranged in the accommodating groove and abuts against the protective cover, and the second torsion arm is clamped in the clamping groove.
Optionally, the brush protecting device further comprises a connecting plate, the connecting plate is connected between the output end of the driving piece and the brush seat, and the driving piece can drive the brush seat to reciprocate between the first position and the second position through the connecting plate.
In another aspect, an embodiment of the present invention provides a drilling machine, including a brush protecting device and a spindle, where the spindle is provided with a chuck, and a brush of the brush protecting device is adapted to clean the chuck of the spindle.
According to the brush protecting device provided by the embodiment of the invention, the brush seat can push the protecting cover to be opened in the moving process, so that the brush is exposed, and the brush can clean the chuck. After cleaning, the brush seat returns, and the return piece drives the protective cover to rotate, so that the protective cover is closed, artificial installation or removal of the protective cover is not needed, the function of automatically protecting the brush is realized, the operation time can be saved, the labor cost is reduced, the cleaning efficiency is improved, and intelligent operation is realized.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects solved by the invention more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1 to 4, an embodiment of the present invention provides a brush protecting device, which includes a driving member 7, a mounting base 1, a brush base 2, a protecting cover 3 and a return member. The driving piece 7 is installed on the installation seat 1, and the protective cover 3 is connected to the installation seat 1 in a rotating mode, and the protective cover 3 can be placed in an opening position or a closing position through rotation. The return piece is connected between the protective cover 3 and the mounting seat 1, and the return piece can provide the power for returning the protective cover 3.
The brush seat 2 is used for installing the brush 21, and brush seat 2 is connected to the output of driving piece 7, and driving piece 7 can drive brush seat 2 reciprocating motion between first position and second position, and when brush seat 2 moved to the second position from the first position, brush seat 2 can drive protective cover 3 to rotate to the open position from the closed position, opens protective cover 3 for brush 21 can expose. When the brush seat 2 moves from the second position to the first position, the return piece can drive the protective cover 3 to rotate from the open position to the closed position, and the protective cover 3 is closed and the brush 21 is covered.
When the brush holder 2 is in the first position, the protective cover 3 is in a closed state and covers the brush 21, the brush 21 cannot be exposed, and the work of cleaning the chuck of the drilling machine cannot be performed. When the brush holder 2 is in the second position, the cover 3 is in an open state, and the brush 21 can be exposed.
When the chuck of the spindle of the drilling machine needs to be cleaned, the brush seat 2 is moved, the brush seat 2 pushes the protective cover 3 to be opened in the moving process, so that the brush 21 is exposed, then the brush protective device is moved to the lower part of the spindle, the spindle moves up and down through the Z-axis part of the drilling machine, and the relative movement between the brush 21 and the chuck is formed, so that the cleaning of the chuck is completed. After cleaning, the brush seat 2 returns, and the return piece drives the protective cover 3 to return to be closed, possesses the function of automatic protection brush 21, and does not need artificial installation or take off protective cover 3, can save operating time, reduces the cost of labor, promotes cleaning efficiency, helps realizing intelligent operation.
In an embodiment, as shown in fig. 1 and 3, the protecting cover 3 is in a cover shape, and can be covered above the brush 21, the first position is located below the second position, and when the brush base 2 moves from the first position to the second position, the protecting cover 3 rotates in a clockwise (or counterclockwise) direction, so that the protecting cover 3 is opened. When the brush holder 2 is moved from the second position to the first position, the shield cover 3 is rotated in a counterclockwise (or clockwise) direction, thereby closing the shield cover 3.
In an embodiment, the brush 21 is fixedly mounted on the brush holder 2 by means of screws or the like, and the brush 21 cleans the chuck by means of up-and-down movement of the chuck.
In an embodiment, as shown in fig. 4, a guiding portion 311 is disposed on a side of the protection cover 3, which is close to the brush holder 2, and when the brush holder 2 moves from the first position to the second position, the brush holder 2 can move along the guiding portion 311, and the guiding portion 311 can guide the movement of the brush holder 2, and meanwhile, the guiding portion 311 can be pushed under the action of the brush holder 2, so as to drive the protection cover 3 to rotate. Under the action of the guide part 311, the opening of the protective cover 3 can be realized in the moving process of the brush holder 2, the manual removal of the protective cover 3 is avoided, and the cleaning efficiency is improved.
In an embodiment, a side of the guide portion 311 near the brush holder 2 has an inclined surface at an acute angle to the movement direction of the brush holder 2, the outer edge of the brush holder 2 abuts against the inclined surface, and when the brush holder 2 moves from the first position to the second position, the brush holder 2 can move along the inclined surface, so that the protection cover 3 is pushed by the brush holder 2 to rotate, and the protection cover 3 is opened.
The outer edge of the brush holder 2 is provided in an arc shape, and friction can be reduced in the process of moving along the inclined surface.
In an embodiment, as shown in fig. 4, the protective cover 3 includes a cover body 31 and a shielding portion 32 connected to the cover body 31, the cover body 31 and the shielding portion 32 are an integrally formed structure, the cover body 31 is rotatably connected to the mounting base 1, and the guiding portion 311 is disposed on the cover body 31. The shielding portion 32 extends from the cover 31 toward the brush 21, and the shielding portion 32 is located above the brush 21 to shield the brush 21.
Preferably, in the movement direction of the brush holder 2, one end of the cover 31 close to the brush holder 2 is rotatably connected to the mounting base 1, and one end of the cover 31 far away from the brush holder 2 is connected to the shielding portion 32, so that the protective cover 3 can be rotated immediately when the brush holder 2 starts to move upward along the inclined surface of the guide portion 311, thereby preventing the brush 21 from colliding with the shielding portion 32.
In an embodiment, as shown in fig. 4, the cover 31 is further provided with a transition portion 312, the transition portion 312 is connected between the guide portion 311 and the shielding portion 32, the shielding portion 32 extends beyond the transition portion 312 in the extending direction, and when the brush holder 2 is in the first position, a space for accommodating the brush 21 can be defined between the transition portion 312 and the shielding portion 32.
In an embodiment, as shown in fig. 1 and 3, the protection cover 3 includes a first protection cover 3a and a second protection cover 3b which are symmetrically disposed, the brush holder 2 is disposed between the first protection cover 3a and the second protection cover 3b, and the brush holder 2 moves along the guide portion 311 of the first protection cover 3a and the guide portion 311 of the second protection cover 3b, thereby pushing the first protection cover 3a and the second protection cover 3b to rotate in opposite directions.
When the brush seat 2 moves from the first position to the second position, the brush seat 2 pushes the first protective cover 3a and the second protective cover 3b to rotate simultaneously, the first protective cover 3a rotates in the anticlockwise direction, the second protective cover 3b rotates in the clockwise direction, and the brush 21 on the brush seat 2 can be exposed. When the brush holder 2 moves from the second position to the first position, the first protective cover 3a and the second protective cover 3b are connected with return members, so that the first protective cover 3a rotates in the clockwise direction, the second protective cover 3b rotates in the counterclockwise direction, and the cover brush 21 is closed.
In an embodiment, as shown in fig. 3 and 4, the first protective cover 3a and the second protective cover 3b are integrally square, the first protective cover 3a has a first side wall (not shown in the drawings), a second side wall 33, a third side wall 34 and a fourth side wall 35, the first side wall and the second side wall 33 are opposite, the third side wall 34 and the fourth side wall 35 are adjacent and are connected between the first side wall and the second side wall 33, wherein the first side wall is arranged at one side of the first protective cover 3a close to the mounting seat 1, the shielding part 32 of the first protective cover 3a is used for forming the third side wall 34, the guiding part 311 and the transition part 312 of the first protective cover 3a are used for forming the fourth side wall 35, and the inclined surfaces of the first side wall, the second side wall 33 and the guiding part 311 enclose to form a first chute, so that deviation in the moving process of the brush seat 2 can be prevented.
The second protection cover 3b has a fifth side wall (not shown in the drawings), a sixth side wall 36, a seventh side wall 37 and an eighth side wall 38, the fifth side wall and the sixth side wall 36 are disposed opposite to each other, the seventh side wall 37 and the eighth side wall 38 are adjacent to each other and are connected between the fifth side wall and the sixth side wall 36, wherein the fifth side wall is disposed on a side of the second protection cover 3b near the mounting seat 1, the shielding portion 32 of the second protection cover 3b is used for forming the seventh side wall 37, the guiding portion 311 and the transition portion 312 of the second protection cover 3b are used for forming the eighth side wall 38, and the inclined surfaces of the fifth side wall, the sixth side wall 36 and the guiding portion 311 enclose to form a second chute, so that deviation in the moving process of the brush seat 2 can be prevented.
When the first protective cover 3a and the second protective cover 3b are in the closed state, the first protective cover 3a and the second protective cover 3b are mutually abutted, and a seamless joint is formed, so that the protective effect on the hairbrush 21 is ensured. Wherein the first side wall and the fifth side wall are coplanar, the second side wall 33 and the sixth side wall 36 are coplanar, the third side wall 34 and the seventh side wall 37 are coplanar, the fourth side wall 35 and the eighth side wall 38 are parallel to each other, and the first chute and the second chute can form an accommodating space of the brush holder 2 and guide when the brush holder 2 moves.
The accommodation space is trapezoidal, and in the direction from the first position to the second position, the cross-sectional area of the accommodation space is gradually reduced, so that when the brush seat 2 moves, the first protective cover 3a and the second protective cover 3b are simultaneously opened, and the two sides are opened, and the opening effect is presented. Wherein the section of the receiving space means a section perpendicular to the moving direction of the brush holder 2.
In an embodiment, the brush 21 is disposed between the transition portion 312 of the first protecting cover 3a and the transition portion 312 of the second protecting cover 3b, and a space accommodating the brush 21 is formed by enclosing the first, second, third, fifth, sixth and seventh side walls 33, 34, 36 and 37, and the brush 21 is shielded and protected in a closed state.
It will be appreciated that in some embodiments, the first and fifth side walls may be omitted, replaced by the surface of the mount 1.
In one embodiment, as shown in fig. 2 and 3, the brush protecting device further includes a rotation shaft 5, the rotation shaft 5 is connected to the mounting base 1, and the protecting cover 3 is adapted to rotate around the rotation shaft 5. Be provided with holding tank 39 on the protective cover 3, the return piece is installed on rotation axis 5 and is set up in holding tank 39, and brush seat 2 is by first position to the second position when removing, and the return piece can produce and block protective cover 3 pivoted power for protective cover 3 butt brush seat 2 all the time, and then makes under the promotion of brush seat 2, protective cover 3 can not rotate excessively and influence the return.
When the brush holder 2 moves from the second position to the first position, the brush holder 2 is not resisted by the protective cover 3, and the force generated by the return member drives the brush holder 2 to rotate so as to close the protective cover 3. When the brush holder 2 moves to the second position, the protective cover 3 is in the closed position, so that the automatic closing function of the protective cover 3 is realized, and manual operation is not required.
Wherein the return member may be, but is not limited to, a torsion spring 4, a coil spring, a rotary cylinder or a cylinder.
In an embodiment, the rotating shaft 5 penetrates through the protecting cover 3 and then is connected to the mounting seat 1, so that the rotating connection of the protecting cover 3 is realized.
In an embodiment, as shown in fig. 2, a fixing rod 6 is disposed on the mounting base 1, a clamping groove 61 is disposed on the fixing rod 6, when the return member is the torsion spring 4, the torsion spring 4 has a main body 41, a first torsion arm 42 and a second torsion arm 43, the main body 41 is sleeved on the rotating shaft 5, the first torsion arm 42 is disposed in the accommodating groove 39 and abuts against the protective cover 3, and the second torsion arm 43 is clamped in the clamping groove 61.
In the process of opening the protective cover 3, the protective cover 3 rotates to drive the first torsion arm 42 to rotate, and the second torsion arm 43 is kept motionless in the clamping groove 61, so that the torsion spring 4 is twisted by external force, elastically deforms, generates a force for blocking the rotation of the protective cover 3, and pushes the protective cover 3 to return after being not blocked by the brush seat 2.
In some alternative embodiments, the return member is a rotary cylinder or air cylinder, an output end of the rotary cylinder or air cylinder is connected to the protective cover 3, and the rotary cylinder or air cylinder pushes the protective cover 3 to rotate during the process of moving the brush base 2 to the second position, so that the protective cover 3 can be closed.
In an embodiment, as shown in fig. 1 and 3, the brush protecting device further includes a connecting plate 8, the connecting plate 8 is connected between the output end of the driving member 7 and the brush seat 2, and the driving member 7 can drive the brush seat 2 to reciprocate linearly between the first position and the second position through the connecting plate 8. Wherein the driving member 7 is preferably a cylinder.
When the first protective cover 3a and the second protective cover 3b are in a closed state, the output end of the air cylinder is in an extending state, when the main shaft chuck needs to be cleaned, the output end of the air cylinder is retracted, the brush seat 2 is driven to move from the first position to the second position through the connecting plate 8, the brush seat 2 moves upwards, and the first protective cover 3a and the second protective cover 3b are spread towards two sides, so that the brush 21 is exposed. After the cleaning is finished, the output end of the air cylinder stretches out, the hairbrush seat 2 moves downwards, and the first protective cover 3a and the second protective cover 3b are pressed towards the middle under the action of the torsion spring 4 to be closed. The automatic opening and closing of the protective cover 3 is realized through the extension of the air cylinder, and then the automatic protection function of the hairbrush 21 is realized.
Wherein, the motion stroke of the brush seat 2 is controlled by the air cylinder, and the motion stroke of the output end of the air cylinder is consistent with the motion stroke of the brush seat 2, so that the brush seat 2 can be switched between the first position and the second position.
In an embodiment, as shown in fig. 3, an oil suction interface 22 and an oil inlet interface 23 are arranged on the brush seat 2, when the chuck is cleaned, waste oil on the chuck can fall onto the brush seat 2, a collecting cavity is arranged on the brush seat 2 and is used for collecting the waste oil, the oil suction interface 22 and the oil inlet interface 23 are communicated with the collecting cavity, the oil inlet interface 23 is used for oil injection, and the oil suction cavity is used for sucking oil, so that the waste oil in the collecting cavity can be sucked away.
On the other hand, the embodiment of the invention provides a drilling machine, which comprises the brush protecting device and the main shaft, wherein the main shaft is provided with the chuck, and the brush of the brush protecting device is suitable for cleaning the chuck of the main shaft.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.