CN111545797A - Device for automatically replacing drill bit of electric drill - Google Patents
Device for automatically replacing drill bit of electric drill Download PDFInfo
- Publication number
- CN111545797A CN111545797A CN202010464111.3A CN202010464111A CN111545797A CN 111545797 A CN111545797 A CN 111545797A CN 202010464111 A CN202010464111 A CN 202010464111A CN 111545797 A CN111545797 A CN 111545797A
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- cavity
- switching
- sleeve shaft
- pushing
- chamber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
- B23B45/02—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor driven by electric power
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
Abstract
The invention discloses a device for automatically replacing drill bits of an electric drill, which comprises a shell, wherein a pushing cavity is arranged in the shell, a switching device is arranged on the left side of the pushing cavity, the switching device comprises a switching cavity communicated with the left side of the pushing cavity, the circumferential wall of the switching cavity is communicated with a semi-annular turntable cavity with an upward opening, a turntable is arranged on the inner circular wall of the turntable cavity in a rotatable manner, a sleeve shaft cavity communicated with the switching cavity is arranged on the left side and the right side of the inner center position of the turntable in a penetrating manner, six containing cavities are arranged in the annular array of the circumferential wall of the sleeve shaft cavity and communicated, and switching blocks are arranged in the containing cavities in a slidable manner. The drill bit is stretched out and simultaneously the used drill bit is clamped and fixed, and the use process is simple and convenient.
Description
Technical Field
The invention relates to the technical field of electric tools, in particular to a device for automatically replacing an electric drill bit.
Background
In the production life, often can use the electric drill to carry out some operations, different functions can be realized through the drill bit of changing different models to general electric drill, to the change of drill bit, all need manual dismantlement drill bit to change usually, and the change mode of some electric drills is more loaded down with trivial details, is frequently changing under the use scene of drill bit in needs simultaneously, and manual change can bring bigger trouble, and frequent dismantlement drill bit also has certain influence to the life of electric drill. The present invention sets forth a device that solves the above problems.
Disclosure of Invention
The technical problem is as follows: the common electric drill needs to be replaced by a drill bit manually, the replacement mode is complicated, and the manual replacement mode is not suitable for the use condition that the drill bit is frequently replaced.
In order to solve the problems, the embodiment designs a device for automatically replacing an electric drill bit, the device for automatically replacing the electric drill bit comprises a shell, a pushing cavity is arranged in the shell, a switching device is arranged on the left side of the pushing cavity and comprises a switching cavity communicated with the left side of the pushing cavity, the circular wall of the switching cavity is communicated with a semi-annular turntable cavity with an upward opening, a turntable is arranged on the inner circular wall of the turntable cavity in a rotating manner, a sleeve shaft cavity communicated with the switching cavity is arranged on the left side and the right side of the center position of the inner circular wall of the turntable in a penetrating manner, six storage cavities are arranged in the annular array of the circular wall of the sleeve shaft cavity and communicated with each other, a switching block is arranged in the storage cavities in a sliding manner, a switching spring is fixedly connected between one end of the sleeve shaft cavity and the inner wall of the storage cavity, and a switching column penetrating through the sleeve shaft cavity is fixedly arranged on, the switching column is internally provided with a switching groove which penetrates left and right and has an upward opening, the lower end of the switching block positioned right above the switching groove is abutted against the bottom of the inner wall of the switching groove, the rest of the switching blocks are close to one end of the switching column and abutted against the outer circular surface of the switching column, the right end surface of the switching column is fixedly provided with a positioning column, a positioning block is fixedly arranged on the upper side of the switching cavity and the circumferential wall of the switching cavity above the positioning column, one end of the switching block, which is close to the switching column, is provided with a sleeve shaft hole which penetrates left and right, the sleeve shaft hole is internally provided with a sleeve shaft which can slide left and right and rotate, the sleeve shaft extends rightwards into the pushing cavity, the annular array at the right end of the outer circular surface of the sleeve shaft is provided with a spline groove, the right side in the shell is provided with a pushing device, the push cavity is internally provided with a push block which can slide left and right and can rotate, the left end surface of the rotating column is vertically and symmetrically provided with a push rod, the push rod is in threaded connection with the inside of the push block, the left side of the push block is provided with a clamping device, the clamping device comprises a clamping cavity which is arranged in the push block and is positioned at the left side of the push rod, the clamping cavity is internally and vertically symmetrically provided with spline sleeves which can be close to each other, the spline sleeves can be clamped into the spline grooves for spline fit, the left end of the sleeve shaft is provided with a locking device, the locking device comprises inclined sliding grooves which are arranged at the upper, lower, front and rear four sides in the left end surface of the sleeve shaft, the inclined sliding grooves are internally provided with fastening strips which can slide left, the drill bit grooves which can slide left and right are provided with drill bits, the fastening strips slide obliquely along the sliding grooves, the left ends of the fastening strips at the, and clamping the drill bit.
Preferably, the annular array is equipped with just right in the carousel right-hand member face accomodate the locking chamber on chamber right side, the annular array is equipped with just right in the carousel chamber right wall the lock head groove on locking chamber right side, the locking intracavity can the horizontal slip be equipped with the locking piece, the locking piece right-hand member face is spherical and extends to the lock head inslot, works as when the carousel rotates the locking piece can the roll-off the lock head groove works as the locking chamber with the lock head groove is just to the time, the locking piece right-hand member face can slide in the lock head inslot, the locking piece left end face with fixedly connected with locking spring between the locking chamber left wall.
Preferably, the left side is equipped with the gear chamber in the rotation post, both sides from top to bottom the catch bar right-hand member rotate connect in the gear chamber right side wall, both sides from top to bottom the outer disc of catch bar right-hand member just is located the gear intracavity is equipped with a pair of drive gear of intermeshing, the fixed push motor that is equipped with in gear chamber right side, the upside is connected to push motor left end power the catch bar right-hand member, the left side is equipped with the annular ring of accomodating of opening left in the catch bar.
Preferably, the clamping cavity left side is communicated with a clamping hole, the clamping cavity left wall is provided with left sliding chutes in an up-down symmetrical manner, the clamping cavity right wall is provided with right sliding chutes in an up-down symmetrical manner, the spline housing left end surface on the upper side and the lower side is fixedly provided with a left sliding shaft capable of sliding up and down in the left sliding chute, the spline housing right end surface on the upper side and the lower side is fixedly provided with a right sliding shaft capable of sliding up and down in the right sliding chute, an annular cylinder cavity with a leftward opening is arranged on the left side of the pushing block and between the clamping cavity and the accommodating ring, a cylinder is arranged in the cylinder cavity and capable of sliding left and right, a cylinder spring is fixedly connected between the cylinder right end surface and the cylinder cavity right wall, the cylinder cavity and the clamping cavity are communicated with connecting rod cavities in an up-down symmetrical manner, the cylinder inner surface and the up-down symmetrical hinge connection, the outer sides of the spline sleeves on the upper side and the lower side are respectively hinged with the connecting rods on the upper side and the lower side.
Preferably, the fixed card ball that is equipped with of sleeve right-hand member face, press from both sides the fixed buckle that is equipped with of tight chamber right side wall, the card ball can block and advance in the buckle, and work as the sleeve stops moving to the right and the buckle continues when moving to the right the buckle can break away from the card ball, the outer disc in sleeve left side is kept away from switch post one side is fixed and is equipped with the stopper, accomodate the chamber left side and be close to switch post one side intercommunication and be equipped with the stopper groove, the stopper can freely pass in and out the stopper groove.
Preferably, a fastening ring is fixedly arranged at the left end of the sleeve shaft, a fastening groove which is through from left to right is formed in the fastening ring, an annular threaded ring is rotatably arranged between the right end face of the fastening ring and the left end face of the sleeve shaft, and the inner circular surface of the threaded ring is in threaded connection with one side, away from the drill bit, of the fastening strip.
Preferably, a support hole which is opened leftwards and can allow the sleeve shaft to pass through is arranged on the left side of the switching cavity in a communicating mode, and a bearing is fixedly arranged in the circumferential wall of the support hole.
Preferably, the right side is equipped with the connection chamber of opening right in the post rotates, connect the fixed connecting axle that can be connected with the electric drill main shaft that is equipped with of chamber left side wall, both sides are equipped with opening right spread groove about the shell right-hand member face, the spread groove can be connected with the electric drill shell.
The invention has the beneficial effects that: the six drill bits can be quickly replaced, the common electric drill is improved into the electric drill with various drill bits by being arranged on the common electric drill, the drill bits are switched by manually rotating the external rotary table, the drill bits are stretched out and simultaneously the used drill bits are clamped and fixed after the switching is finished, and the using process is simple and convenient.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
Fig. 1 is a schematic view showing the overall structure of an apparatus for automatically replacing a drill bit of an electric drill according to the present invention;
FIG. 2 is a schematic view of the structure in the direction "A-A" of FIG. 1;
FIG. 3 is a schematic view of the structure in the direction "B-B" of FIG. 1;
FIG. 4 is an enlarged view of the structure of "C" of FIG. 1;
FIG. 5 is an enlarged view of the structure of "D" of FIG. 1;
fig. 6 is an enlarged view of the structure of "E" in fig. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-6, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The device for automatically replacing the drill bit of the electric drill comprises a shell 11, a pushing cavity 12 is arranged in the shell 11, a switching device 101 is arranged on the left side of the pushing cavity 12, the switching device 101 comprises a switching cavity 13 communicated with the left side of the pushing cavity 12, a semi-annular turntable cavity 14 with an upward opening is communicated with the circumferential wall of the switching cavity 13, a turntable 15 is rotatably arranged on the inner circular wall of the turntable cavity 14, a sleeve shaft cavity 70 communicated with the switching cavity 13 is arranged on the left side and the right side of the center position of the inner circle of the turntable 15 in a penetrating manner, six storage cavities 16 are communicated with the circumferential wall of the sleeve shaft cavity 70 in an annular array, a switching block 17 is slidably arranged in the storage cavities 16, a switching spring 18 is fixedly connected between one end, far away from the sleeve shaft cavity 70, of the switching block 17 and the inner wall of the storage cavity 16, a switching column 19 penetrating through the sleeve shaft cavity 70 is fixedly arranged on the left wall of the, the switching post 19 is provided with a left-right through and upward opening switching groove 20, the switching block 17 lower end right above the switching block 17 is abutted against the inner wall bottom of the switching groove 20, the switching block 17 is close to one end of the switching post 19 and abutted against the outer circular surface of the switching post 19, the right end surface of the switching post 19 is fixedly provided with a positioning post 23, the upper circumferential wall of the switching cavity 13 is positioned above the positioning post 23, a positioning block 24 is fixedly arranged, the switching block 17 is close to one end of the switching post 19 and provided with a sleeve shaft hole 21 which is through from left to right, a sleeve shaft 22 which can slide from left to right and can rotate is arranged in the sleeve shaft hole 21, the sleeve shaft 22 extends rightwards to the inside of the pushing cavity 12, the annular array at the right end of the outer circular surface of the sleeve shaft 22 is provided with a spline groove 75, the right side of the shell 11 is provided with a pushing device 102, the pushing device 102, the rotary drill bit is characterized in that a rotary column 34 is rotatably arranged in the rotary cavity 33, a push block 35 is rotatably arranged in the push cavity 12 in a left-right sliding manner, push rods 39 are rotatably arranged on the left end face of the rotary column 34 in an up-down symmetrical manner, the push rods 39 are in threaded connection with the push block 35, a clamping device 103 is arranged on the left side in the push block 35, the clamping device 103 comprises a clamping cavity 46 which is arranged in the push block 35 and is positioned on the left side of the push rods 39, spline sleeves 54 which can be close to each other are symmetrically arranged in the clamping cavity 46 in an up-down symmetrical manner, the spline sleeves 54 can be clamped into the spline grooves 75 for spline matching, a locking device 104 is arranged at the left end of the sleeve shaft 22, the locking device 104 comprises inclined sliding grooves 64 which are arranged on the upper, lower, front and rear sides and four sides in the left end face of the sleeve shaft 22, fastening strips 65 are slidably arranged in the inclined sliding grooves 64, the drill bit groove 62 is internally provided with a drill bit 63 which can slide left and right, the fastening strip 65 slides along the inclined sliding groove 64, and the left ends of the fastening strips 65 at the upper, lower, front and rear sides are close to each other and clamp the drill bit 63.
Beneficially, annular array is equipped with just in the carousel 15 right-hand member face and just to accomodate the locking chamber 29 on chamber 16 right side, annular array is equipped with just to in the carousel chamber 14 right side wall locking groove 30 on locking chamber 29 right side, the locking chamber 29 internal energy horizontal slip be equipped with locking block 31, locking block 31 right-hand member face is spherical and extends to in the locking groove 30, works as when carousel 15 rotates locking block 31 can the roll-off locking groove 30, works as locking chamber 29 with locking groove 30 is just right to the time, locking block 31 right-hand member face can slide in the locking groove 30, locking block 31 left end face with fixedly connected with locking spring 32 between the locking chamber 29 left side wall.
Beneficially, a gear cavity 38 is arranged on the left side in the rotating column 34, the right ends of the push rods 39 on the upper side and the lower side are rotatably connected in the right wall of the gear cavity 38, a pair of transmission gears 40 which are meshed with each other are arranged on the outer circular surface of the right end of the push rod 39 on the upper side and the lower side and located in the gear cavity 38, a push motor 41 is fixedly arranged on the right side of the gear cavity 38, the left end of the push motor 41 is in power connection with the right end of the push rod 39 on the upper side, and an annular accommodating ring 36 with a leftward opening is arranged on.
Beneficially, the left side of the clamping cavity 46 is communicated with a clamping hole 47, the left wall of the clamping cavity 46 is provided with a left sliding chute 52 in a vertically symmetrical manner, the right wall of the clamping cavity 46 is provided with a right sliding chute 53 in a vertically symmetrical manner, the left end surface of the spline housing 54 at the upper side and the lower side is fixedly provided with a left sliding shaft 55 capable of sliding vertically in the left sliding chute 52, the right end surface of the spline housing 54 at the upper side and the lower side is fixedly provided with a right sliding shaft 56 capable of sliding vertically in the right sliding chute 53, the left side of the pushing block 35 is provided with an annular cylinder cavity 48 with a leftward opening between the clamping cavity 46 and the receiving ring 36, the cylinder cavity 48 is provided with a cylinder 49 capable of sliding horizontally, a cylinder spring 50 is fixedly connected between the right end surface of the cylinder 49 and the right wall of the cylinder cavity 48, a vertically symmetrical connecting rod cavity 57 is communicated between the cylinder cavity 48 and the clamping cavity 46, an inner surface of, the connecting rod 60 is positioned in the connecting rod cavity 57, and the outer sides of the spline housing 54 at the upper side and the lower side are respectively hinged with the connecting rod 60 at the upper side and the lower side.
Beneficially, a clamping ball 45 is fixedly arranged on the right end face of the sleeve shaft 22, a buckle 51 is fixedly arranged on the right wall of the clamping cavity 46, the clamping ball 45 can be clamped into the buckle 51, the buckle 51 can be separated from the clamping ball 45 when the sleeve shaft 22 stops moving rightward and the buckle 51 continues moving rightward, a limit block 27 is fixedly arranged on the outer circumferential surface of the left side of the sleeve shaft 22, which is far away from the switching column 19, a limit block groove 28 is communicated with the left side of the accommodating cavity 16, which is close to the switching column 19, and the limit block 27 can freely enter and exit the limit block groove 28.
Advantageously, a fastening ring 61 is fixedly arranged at the left end of the sleeve shaft 22, a fastening groove 72 which penetrates through the fastening ring 61 from left to right is formed in the fastening ring 61, an annular threaded ring 66 is rotatably arranged between the right end face of the fastening ring 61 and the left end face of the sleeve shaft 22, and the inner circular face of the threaded ring 66 is in threaded connection with the side, away from the drill bit 63, of the fastening strip 65.
Advantageously, the switching chamber 13 is provided with a support hole 25 which is open to the left and can allow the sleeve shaft 22 to pass through, and a bearing 26 is fixedly arranged in the circumferential wall of the support hole 25.
Beneficially, a right-opening connecting cavity 42 is formed in the rotating column 34 on the right side, a connecting shaft 43 capable of being connected with a spindle of an electric drill is fixedly arranged on the left wall of the connecting cavity 42, and right-opening connecting grooves 44 are formed in the upper side and the lower side of the right end face of the shell 11 and can be connected with an outer shell of the electric drill through the connecting grooves 44.
The following describes in detail the use steps of an apparatus for automatically changing drill bits of an electric drill according to the present invention with reference to fig. 1 to 6: in an initial state, the sleeve shaft 22 is located at the right limit position, the switching block 17 located right above moves downwards under the elastic force of the corresponding switching spring 18, the corresponding sleeve shaft 22 moves downwards into the switching groove 20 and is located at the lower limit position, the rest switching springs 18 are in a compressed state, the pushing block 35 is located at the right limit position, the spline sleeves 54 at the upper side and the lower side are far away from each other, and the cylinder 49 is located at the left limit position relative to the pushing block 35.
When the switching mechanism works, the rotary table 15 is rotated to drive the switching block 17 to rotate around the switching column 19, and further drive the sleeve shaft 22 to rotate around the switching column 19, when the switching block 17 located in the switching groove 20 rotates to the process of abutting against the rear wall of the switching groove 20, the sleeve shaft 22 connected with the switching block 17 located in the switching groove 20 does not abut against the positioning block 24 any more, the corresponding switching spring 18 is restored, and the corresponding switching block 17 is driven to slide to be completely accommodated in the accommodating cavity 16, meanwhile, the next sleeve shaft 22 slides to the position right above the positioning column 23 along the positioning block 24 due to the rotation of the positioning block 24, and further drives the corresponding switching block 17 to slide, and further stretches the corresponding switching spring 18, and simultaneously, the rotary table 15 rotates to drive the locking block 31 to rotate around the switching column 19, and further drives the locking block 31 to slide out of the corresponding locking block 31, and further compresses the corresponding locking spring 32, when the next sleeve shaft 22 slides to the position right above the positioning column 23, the right end of the locking block 31 enters the next lock head groove 30, the locking spring 32 is restored to complete the switching of the sleeve shaft 22, at this time, the pushing motor 41 is started to drive the upper pushing rod 39 to rotate, further the upper transmission gear 40 is driven to rotate, the lower transmission gear 40 is driven to rotate through gear engagement, further the lower pushing rod 39 is driven to rotate, the pushing block 35 is driven to slide leftwards through threaded connection, further the cylinder 49 is driven to move leftwards, when the right wall of the clamping cavity 46 abuts against the clamping ball 45 of the sleeve shaft 22 located at the central position, the clamping ball 45 is clamped into the buckle 51, meanwhile, the rest of the sleeve shafts 22 enter the annular containing ring 36, the pushing block 35 continues to move leftwards, the sleeve shaft 22 located at the central position is driven to move leftwards, further the drill bit 63 is driven to pass through the supporting hole 25 to move out of the switching cavity 13, the pushing block 35 continues to move to the left end, the cylinder 49 moves rightwards relative to the pushing block 35 to compress the cylinder spring 50, so that one end of the connecting rod 60 fixed on the cylinder 49 moves rightwards, one end of the connecting rod 60 fixed on the spline housing 54 is driven to approach each other, the spline housing 54 on the upper side and the spline housing 54 on the lower side are driven to approach each other, so that the spline housing 54 is in spline fit with the spline grooves 75 and clamped, meanwhile, the sleeve shaft 22 moves leftwards until the left end passes through the supporting hole 25 and moves out of the switching chamber 13, the left end of the outer circular surface of the sleeve shaft 22 is rotatably connected with the bearing 26, when the left end surface of the pushing block 35 abuts against the left wall of the pushing chamber 12, the pushing motor 41 is stopped, at this time, the drill bits 63 of different types are put into the drill bit grooves 62 at the right end of the sleeve shaft 22, the threaded ring 66 is rotated to drive the fastening strips 65 to slide along the inclined sliding grooves 64 through threaded connection, the pushing block 35 is driven to move rightwards, the sleeve shaft 22 is driven to move rightwards, the cylinder 49 moves leftwards relative to the pushing block 35, the spline sleeve 54 is driven to move away from each other, the clamping ball 45 is still clamped in the clamping buckle 51 at the moment, the sleeve shaft 22 can be driven to move rightwards continuously, the sleeve shaft 22 moves rightwards to the right limit position, the limiting block 27 abuts against the switching block 17, the sleeve shaft 22 stops moving, the pushing block 35 continues moving, the clamping buckle 51 is separated from the clamping ball 45, the pushing block 35 moves to the right limit position, the pushing motor 41 is stopped, the rotary table 15 is rotated to be switched to the next sleeve shaft 22 at the moment, the steps are repeated to finish the installation of the next drill bit, the installation of the remaining four drill bits is finished sequentially, then the connecting shaft 43 is connected with the main shaft of the electric drill, the connecting groove 44 is connected with the shell of the electric drill, the rotary table 15 is rotated when the drill bit needs to work, the main shaft is rotatory, and then drives the rotation post 34 rotatory, and then drives and promote the piece 35 rotatory, and then drives the sleeve 22 rotatory, and then drives drill bit 63 rotatory, and the electric drill stop work in-process need change the drill bit of other models, repeats above-mentioned step and can accomplish the change drill bit.
The invention has the beneficial effects that: the six drill bits can be quickly replaced, the common electric drill is improved into the electric drill with various drill bits by being arranged on the common electric drill, the drill bits are switched by manually rotating the external rotary table, the drill bits are stretched out and simultaneously the used drill bits are clamped and fixed after the switching is finished, and the using process is simple and convenient.
In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.
Claims (8)
1. The utility model provides an automatic change device of electric drill bit, includes the shell, its characterized in that: a pushing cavity is arranged in the shell, a switching device is arranged on the left side of the pushing cavity and comprises a switching cavity communicated with the left side of the pushing cavity, the circumferential wall of the switching cavity is communicated with a semi-annular turntable cavity with an upward opening, a turntable is arranged on the inner circular wall of the turntable cavity in a rotatable manner, a sleeve shaft cavity communicated with the switching cavity is arranged in the turntable in a left-right penetrating manner at the center position, six accommodating cavities are arranged in the sleeve shaft cavity in an annular array manner in a communicated manner, a switching block is arranged in the accommodating cavity in a slidable manner, a switching spring is fixedly connected between one end of the switching block, which is far away from the sleeve shaft cavity, and the inner wall of the accommodating cavity, a switching column penetrating through the sleeve shaft cavity is fixedly arranged on the left wall of the switching cavity, a switching groove penetrating in the left-right direction and with an upward opening is arranged in the switching column, and the lower end of the switching block, the rest of the switching blocks are close to one end of the switching column and abut against the outer circular surface of the switching column, a positioning column is fixedly arranged on the right end surface of the switching column, a positioning block is fixedly arranged on the side circumferential wall of the switching cavity and positioned above the positioning column, a sleeve shaft hole which is communicated left and right is arranged at one end of the switching block, a sleeve shaft can slide left and right in the sleeve shaft hole and can be rotatably arranged, the sleeve shaft extends rightwards into the pushing cavity, a spline groove is arranged on the right end annular array of the outer circular surface of the sleeve shaft, a pushing device is arranged on the right side in the shell and comprises a rotating cavity which is communicated with the right side of the pushing cavity and has a right opening, a rotating column is rotatably arranged in the rotating cavity, pushing blocks are rotatably arranged in the pushing cavity and can slide left and right in the pushing cavity, pushing rods are vertically symmetrically and rotatably arranged on the left end surface of the rotating column and, the left side in the promotion piece is equipped with clamping device, clamping device is including locating in the promotion piece just be located the left tight chamber of clamp of catch bar, the tight intracavity longitudinal symmetry be equipped with can be close to each other the spline housing, the spline housing can block into spline inslot spline fit, the sleeve axle left end is equipped with locking device, locking device is including locating the oblique spout of four sides around from top to bottom in the sleeve axle left end face, the slidable is equipped with the fastening strip in the oblique spout, the sleeve axle left end face is equipped with the drill bit groove of opening left side, the drill bit inslot internal energy horizontal slip be equipped with the drill bit, the fastening strip along the oblique spout slides, four sides around from top to bottom the fastening strip left end is close to each other, and presss from both sides tightly the drill bit.
2. An apparatus for automatically changing drill bits of a power drill according to claim 1 wherein: annular array is equipped with just right in the carousel right-hand member face accomodate the locking chamber on chamber right side, annular array is equipped with just right in the carousel chamber right side wall the lock groove on locking chamber right side, the locking intracavity can the horizontal slip be equipped with the locking piece, the locking piece right-hand member face is spherical and extends to the lock inslot works as when the carousel rotates the locking piece can the roll-off the lock groove works as the locking chamber with the lock groove is just to the time, the locking piece right-hand member face can slide in the lock inslot, the locking piece left end face with fixedly connected with locking spring between the locking chamber left wall.
3. An apparatus for automatically changing drill bits of a power drill according to claim 1 wherein: the left side is equipped with the gear chamber in the rotation post, both sides from top to bottom the catch bar right-hand member rotate connect in the gear chamber right side wall, both sides from top to bottom the outer disc of catch bar right-hand member just is located a pair of drive gear of intermeshing is equipped with in the gear chamber, the fixed push motor that is equipped with in gear chamber right side, the upside is connected to push motor left end power the catch bar right-hand member, the left side is equipped with the annular ring of accomodating of opening left in the promotion piece.
4. An apparatus for automatically changing drill bits of a power drill according to claim 1 wherein: the left side of the clamping cavity is communicated with a clamping hole, the left wall of the clamping cavity is provided with left sliding chutes which are vertically symmetrical, the right wall of the clamping cavity is symmetrically provided with right sliding grooves up and down, the left end surfaces of the spline housing at the upper side and the lower side are fixedly provided with left sliding shafts capable of sliding up and down in the left sliding grooves, the right end surfaces of the spline housing at the upper side and the lower side are fixedly provided with right sliding shafts capable of sliding up and down in the right sliding grooves, an annular cylinder cavity with a leftward opening is arranged on the left side of the pushing block and between the clamping cavity and the containing ring, a cylinder is arranged in the cylinder cavity in a left-right sliding manner, a cylinder spring is fixedly connected between the right end surface of the cylinder and the right wall of the cylinder cavity, a connecting rod cavity which is symmetrical up and down is communicated between the cylinder cavity and the clamping cavity, the connecting rods are hinged on the inner circular surface of the cylinder in an up-and-down symmetrical manner, the connecting rod is located in the connecting rod cavity, and the outer sides of the spline housing at the upper side and the lower side are respectively hinged with the connecting rod at the upper side and the lower side.
5. An apparatus for automatically changing drill bits of a power drill according to claim 1 wherein: the fixed card ball that is equipped with of cover axle right-hand member face, press from both sides the fixed buckle that is equipped with of tight chamber right side wall, the card ball can block and advance in the buckle, and work as the cover axle stops moving to the right and the buckle continues when moving to the right the buckle can break away from the card ball, the outer disc in cover axle left side is kept away from switch post one side is fixed and is equipped with the stopper, accomodate the chamber left side and be close to switch post one side intercommunication and be equipped with the stopper groove, the stopper can freely pass in and out the stopper groove.
6. An apparatus for automatically changing drill bits of a power drill according to claim 1 wherein: the drill bit is characterized in that a fastening ring is fixedly arranged at the left end of the sleeve shaft, a fastening groove which is through from left to right is formed in the fastening ring, an annular threaded ring is arranged between the right end face of the fastening ring and the left end face of the sleeve shaft in a rotatable mode, and the inner circular face of the threaded ring is in threaded connection with the fastening strip far away from one side of the drill bit.
7. An apparatus for automatically changing drill bits of a power drill according to claim 1 wherein: the switching cavity is communicated with a supporting hole which is provided with an opening towards the left and can allow the sleeve shaft to pass through, and a bearing is fixedly arranged in the circumferential wall of the supporting hole.
8. An apparatus for automatically changing drill bits of a power drill according to claim 1 wherein: the right side is equipped with the opening connection chamber to the right in the rotation post, connect the fixed connecting axle that can be connected with the electric drill main shaft that is equipped with of chamber left side wall, both sides are equipped with opening spread groove to the right about the shell right-hand member face, the spread groove can be connected with the electric drill shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010464111.3A CN111545797A (en) | 2020-05-27 | 2020-05-27 | Device for automatically replacing drill bit of electric drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010464111.3A CN111545797A (en) | 2020-05-27 | 2020-05-27 | Device for automatically replacing drill bit of electric drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111545797A true CN111545797A (en) | 2020-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010464111.3A Withdrawn CN111545797A (en) | 2020-05-27 | 2020-05-27 | Device for automatically replacing drill bit of electric drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111545797A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112620695A (en) * | 2020-12-07 | 2021-04-09 | 安徽科达汽车轴瓦有限公司 | Automatic punching equipment of flowing water type axle bush convenient to change drill bit |
| CN112676611A (en) * | 2021-01-13 | 2021-04-20 | 成都辰恒驰科技有限公司 | Electric drill easy to maintain and having drill bit fast switching function |
-
2020
- 2020-05-27 CN CN202010464111.3A patent/CN111545797A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112620695A (en) * | 2020-12-07 | 2021-04-09 | 安徽科达汽车轴瓦有限公司 | Automatic punching equipment of flowing water type axle bush convenient to change drill bit |
| CN112620695B (en) * | 2020-12-07 | 2022-05-13 | 安徽科达汽车轴瓦有限公司 | Automatic punching equipment of flowing water type axle bush convenient to change drill bit |
| CN112676611A (en) * | 2021-01-13 | 2021-04-20 | 成都辰恒驰科技有限公司 | Electric drill easy to maintain and having drill bit fast switching function |
| CN112676611B (en) * | 2021-01-13 | 2023-04-28 | 浙江立邦电器有限公司 | Electric drill with drill bit quick switching function and easy maintenance |
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| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200818 |
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| WW01 | Invention patent application withdrawn after publication |