Be used for two-sided synchronous burring equipment of gear
Technical Field
The invention relates to the technical field of gear machining, in particular to a double-face synchronous deburring device for gears.
Background
Because of the residual burrs on the two sides and the nearby edges of the gear after the gear is machined, the gear is very sharp and dangerous, and the precision of assembly and the appearance quality are affected, so the double-side deburring machining is needed, and the current deburring equipment has the following defects and is analyzed as follows: firstly, because this gear has two-sidedly, and add man-hour at present, need earlier the clamping after to the burring of one side, need again the manual work to overturn the gear, again carry out the burring processing of another side after the secondary clamping again, there is work efficiency low, the auxiliary time is long, and the second, because when present gear was polished, eccentric rotation or axial vibration was serious when having gear rotation, gear axial length size difficult accurate assurance, influence the follow-up assembly precision of gear, consequently, we have provided a two-sidedly synchronous burring equipment for gear to in order to solve the above-mentioned problem of proposing.
Disclosure of Invention
The invention aims to provide a device for synchronously deburring two sides of a gear, which can synchronously deburr the two sides of the gear and accurately position the gear during deburring, so that the gear is more stable in rotating and processing, and the production efficiency and the processing precision are improved.
In order to achieve the purpose, the invention adopts the following technical scheme:
provides a double-sided synchronous deburring device for gears, which comprises a processing table, wherein a temporary storage plate which can be lifted and can accommodate the gears is arranged above the processing table, a feeding rail and a discharging rail are respectively arranged at two ends of the temporary storage plate, one end of the feeding rail and one end of the discharging rail can be respectively in butt joint with two ends of the temporary storage plate, opposite moving components are arranged above the temporary storage plate, a guide wheel component and a double-sided polishing component are respectively arranged below the opposite moving component, the guide wheel component and the double-sided polishing component are symmetrically arranged at two sides of the temporary storage plate, and the tops of guide wheel subassembly and the two-sided subassembly of polishing are connected with the internal drive of two-way movement subassembly respectively, and the top of temporarily keeping the board is provided with locating component, goes up locating component including the last locating piece that can conflict gear top, and the below of temporarily keeping the board is provided with down locating component, and lower locating component is including the lower locating piece that can conflict gear bottom.
Preferably, the subassembly that moves in opposite directions includes cavity type of falling U support and two-way screw rod transmission machine, and the type of falling U support sets up in the top of temporary storage board, the top fixed connection of the bottom of type of falling U support and processing platform, and this two-way screw rod transmission machine is horizontal fixed mounting on the inside top of type of falling U support.
Preferably, the guide wheel assembly includes the second motor and leads the tooth, lead the tooth can with keep in gear engagement on the board and set up the one side of keeping in the board temporarily, the second motor is vertical setting and is leading the top of tooth, the output of second motor with lead the center department fixed connection of tooth, be provided with the first type of falling U frame that is vertical setting on the second motor, the bottom of this first type of falling U frame and the outer wall fixed connection of second motor, the top of first type of falling U frame and the bottom fixed connection of one of them work end of two work ends of two-way screw drive machine.
Preferably, the double-sided polishing assembly comprises a third motor, an upper deburring wheel capable of contacting the upper end of the gear and a lower deburring wheel capable of contacting the lower end of the gear, the upper deburring wheel and the lower deburring wheel are distributed on one side of the temporary storage plate along the vertical direction, the upper deburring wheel and the lower deburring wheel are fixedly connected through a connecting column, the third motor is vertically arranged above the upper deburring wheel, the output end of the third motor is fixedly connected with the center of the upper deburring wheel, a second inverted U-shaped frame vertically arranged is arranged on the third motor, the bottom of the second inverted U-shaped frame is fixedly connected with the outer wall of the third motor, and the top of the third inverted U-shaped frame is fixedly connected with the bottom of one of two working ends of the bidirectional screw rod transmission machine.
Preferably, the inside of the type of falling U support is provided with two spacing posts that are level and parallel arrangement, the both ends of two spacing posts respectively with the inner wall fixed connection of the type of falling U support, the both sides of first type of falling U frame and second type of falling U frame are provided with the stop collar respectively, every stop collar setting that can slide respectively is on every spacing post.
Preferably, the upper positioning assembly further comprises a first cylinder and a first lifting block, the first cylinder is vertically arranged above the temporary storage plate, the first cylinder is fixedly connected with the center of the upper end of the inner portion of the inverted-U-shaped support through a first fixing support, the output end of the first cylinder is arranged downwards, the first lifting block is horizontally and fixedly installed at the output end of the first cylinder, a first bearing is arranged at the bottom of the first lifting block, the upper positioning block is located below the first lifting block, a first rotating shaft is arranged at the top of the upper positioning block, the top of the first rotating shaft can be rotatably inserted into an inner ring of the first bearing, and a first positioning pin which can extend towards the inner ring of the gear is arranged at the bottom of the upper positioning block.
Preferably, the lower positioning assembly further comprises a second cylinder and a second lifting block, the second cylinder is vertically arranged below the temporary storage plate, the second cylinder is fixedly installed at the top of the machining table, the output end of the second cylinder is arranged upwards, the second lifting block is horizontally and fixedly installed at the output end of the second cylinder, a second bearing is arranged at the top of the second lifting block, the lower positioning block is located above the second lifting block, a second rotating shaft is arranged at the bottom of the lower positioning block, the top of the second rotating shaft can be rotatably inserted into an inner ring of the second bearing, and a second positioning pin which can extend towards the inner ring of the gear is arranged at the top of the lower positioning block.
Preferably, the bottom of temporary storage plate is provided with the third cylinder, and the third cylinder is vertical fixed mounting at the top of processing platform, and the output of third cylinder upwards sets up, the output of third cylinder and the bottom fixed connection of temporary storage plate, and temporary storage plate is the level setting, is provided with on the temporary storage plate to be used for dodging passing opening that the lower locating piece removed.
Preferably, the feeding track is horizontally arranged on one side of the temporary storage plate, the bottom of the feeding track is fixedly connected with the top of the processing table through a first vertical frame, one side of the feeding track is provided with a guide track obliquely arranged, one end of the guide track is communicated with one side of the feeding track, the top of the guide track is fixedly connected with the top of the processing table through a second vertical frame, one end, far away from the temporary storage plate, of the feeding track is provided with a material pushing positioning block capable of moving towards the direction of the temporary storage plate, one end of the material pushing positioning block is provided with a fourth cylinder, the output end of the fourth cylinder is fixedly connected with one end of the material pushing positioning block, a first arc-shaped notch capable of abutting against a gear is formed in the material pushing positioning block, and the fourth cylinder is fixedly connected with the top of the processing table through a second fixing.
Preferably, the unloading track is the slope and sets up the one end of keeping away from the feeding track at the board of keeping in, the orbital bottom of unloading erects the top fixed connection of frame and processing platform through the third, the orbital top of unloading is provided with the fifth cylinder that is the level setting, the top fixed connection of fifth cylinder through third fixed bolster and processing platform, the output of fifth cylinder sets up to the direction of fourth cylinder, the axial of fifth cylinder is the same with the axial of fourth cylinder, the output of fifth cylinder is provided with unloading location iron plate, be provided with the second arc incision that can conflict gear on this unloading locating piece, be provided with the electro-magnet on this unloading location iron plate.
The invention has the beneficial effects that: a device for synchronously deburring two sides of a gear is characterized in that when the device is used for machining, the gear is sequentially fed through a material guide rail, when a single gear enters the material feed rail, a fifth air cylinder drives a blanking positioning iron block to be close to one end of a temporary storage plate, a fourth air cylinder is started, the fourth air cylinder drives a material pushing positioning block to push the single gear to the temporary storage plate, the other end of the gear is abutted against a second arc-shaped notch of the blanking positioning iron block for positioning, the gear is positioned at the time, after the gear is machined, an electromagnet is started to magnetize the blanking positioning iron block, the machined gear is moved to the upper part of the blanking rail through the blanking positioning iron block, then the electromagnet stops working, the machined gear falls into the blanking rail for blanking, after the gear is positioned on the temporary storage plate, a second air cylinder is started, the second air cylinder drives a second lifting block to abut against the bottom center of the gear, the second positioning pin is inserted into the inner ring of the gear for positioning, when the gear rotates, the second bearing is arranged to prevent the lifting block from rotating, the lower positioning block is arranged at the bottom of the gear and simultaneously starts the first cylinder, the first cylinder drives the first lifting block to move downwards to enable the upper positioning block to abut against the top center of the gear, the first positioning pin is inserted into the inner ring of the gear for positioning, when the gear rotates, the first bearing is arranged to prevent the first lifting block from rotating, when the gear is respectively abutted by the upper positioning block and the lower positioning block, the third cylinder is started to drive the temporary storage plate to move downwards, after the temporary storage plate moves downwards, the bidirectional screw rod transmission machine is started, two working ends of the bidirectional screw rod transmission machine respectively drive the guide wheel component and the double-sided polishing component to move towards each other and enable the guide wheel component and the double-sided polishing component to respectively approach the positioned gear, when the guide wheel component and the double-sided polishing component move towards each other, the spacing post and the stop collar that set up play spacing removal's effect, when leading the tooth and being close to the gear that needs the processing of being fixed a position, it sets up with the gear engagement that needs the processing to lead the tooth, the second motor drives and leads the tooth rotation, it drives the gear that needs the processing to lead the tooth and rotates, when the gear that needs the processing passes through the guide pulley rotation, go up deburring wheel and lower deburring wheel and contact gear's upper end one side and lower extreme one side simultaneously, at this moment start the third motor, it is rotatory simultaneously with lower deburring wheel to go up deburring wheel and lower deburring wheel in the drive, and then carry out the burring with the two sides of gear simultaneously.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a schematic perspective view of a first embodiment of the present invention;
fig. 2 is a schematic perspective view illustrating a second embodiment of the present invention;
FIG. 3 is a side view of an embodiment of the present invention;
FIG. 4 is a partial perspective view of a first embodiment of the present invention;
FIG. 5 is a partial top view of an embodiment of the present invention;
FIG. 6 is a schematic partial perspective view of a guide wheel assembly and a double-sided sanding assembly according to one embodiment of the present invention;
FIG. 7 is a schematic partial perspective view of an upper positioning assembly and a lower positioning assembly according to an embodiment of the present invention;
in the figure: the device comprises a processing table 1, a temporary storage plate 2, a feeding rail 3, a discharging rail 4, a lower positioning block 5, an inverted U-shaped support 6, a bidirectional screw rod transmission machine 7, a second motor 8, a guide tooth 9, a first inverted U-shaped frame 10, a third motor 11, an upper deburring wheel 12, a lower deburring wheel 13, a second inverted U-shaped frame 14, a limiting column 15, a limiting sleeve 16, a first air cylinder 17, a first lifting block 18, a first bearing 19, a first positioning pin 20, a second air cylinder 21, a second lifting block 22, a second bearing 23, a second positioning pin 24, a third air cylinder 25, an avoidance penetrating opening 26, a material guiding rail 27, a material pushing positioning block 28, a fourth air cylinder 29, a first arc-shaped notch 30, a fifth air cylinder 31, a blanking positioning iron block 32, a second arc-shaped notch 33 and an electromagnet 34.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and the specific meanings of the terms may be understood by those skilled in the art according to specific situations.
In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being fixed or detachable or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 7, the apparatus for synchronously deburring double faces of gears comprises a processing table 1, a temporary storage plate 2 capable of lifting and containing gears is arranged above the processing table 1, a feeding rail 3 and a discharging rail 4 are respectively arranged at two ends of the temporary storage plate 2, one end of the feeding rail 3 and one end of the discharging rail 4 can be respectively butted with two ends of the temporary storage plate 2, opposite moving components are arranged above the temporary storage plate 2, a guide wheel component and a double-face polishing component are respectively arranged below the opposite moving components, the guide wheel component and the double-face polishing component are symmetrically arranged at two sides of the temporary storage plate 2, the tops of the guide wheel component and the double-face polishing component are respectively in transmission connection with the inside of the two-way moving components, an upper positioning component is arranged at the top of the temporary storage plate 2, the upper positioning component comprises an upper positioning block capable of abutting against the top of the gears, and a lower positioning component is arranged below the, the lower positioning assembly comprises a lower positioning block 5 which can abut against the bottom of the gear.
Move the subassembly in opposite directions and include cavity type of falling U support 6 and two-way screw drive machine 7, type of falling U support 6 sets up in the top of keeping in board 2, the bottom of type of falling U support 6 and the top fixed connection of processing platform 1, this two-way screw drive machine 7 is the inside top of level fixed mounting at type of falling U support 6, after keeping in board 2 and removing downwards temporarily, start two-way screw drive machine 7, two work ends of two-way screw drive machine 7 drive guide pulley subassembly and two-sided subassembly of polishing respectively and move in opposite directions to make guide pulley subassembly and two-sided subassembly of polishing be close to the gear of being positioned respectively.
The guide wheel assembly comprises a second motor 8 and guide teeth 9, the guide teeth 9 can be arranged on one side of the temporary storage plate 2 through gear engagement with the temporary storage plate 2, the second motor 8 is vertically arranged above the guide teeth 9, the output end of the second motor 8 is fixedly connected with the center of the guide teeth 9, a first inverted U-shaped frame 10 which is vertically arranged is arranged on the second motor 8, the bottom of the first inverted U-shaped frame 10 is fixedly connected with the outer wall of the second motor 8, the top of the first inverted U-shaped frame 10 is fixedly connected with the bottom of one of two working ends of the bidirectional screw rod transmission machine 7, when the guide teeth 9 are close to the gear to be processed, the guide teeth 9 are arranged through gear engagement with the gear to be processed, the second motor 8 drives the guide teeth 9 to rotate, and the guide teeth 9 drive the gear to be processed to rotate.
The double-side polishing assembly comprises a third motor 11, an upper deburring wheel 12 capable of contacting the upper end of a gear and a lower deburring wheel 13 capable of contacting the lower end of the gear, wherein the upper deburring wheel 12 and the lower deburring wheel 13 are distributed on one side of the temporary storage plate 2 along the vertical direction, the upper deburring wheel 12 and the lower deburring wheel 13 are fixedly connected through a connecting column, the third motor 11 is vertically arranged above the upper deburring wheel 12, the output end of the third motor 11 is fixedly connected with the center of the upper deburring wheel 12, a second inverted U-shaped frame 14 which is vertically arranged is arranged on the third motor 11, the bottom of the second inverted U-shaped frame 14 is fixedly connected with the outer wall of the third motor 11, the top of the third inverted U-shaped frame is fixedly connected with the bottom of one working end of two working ends of the two screw rod transmission machines 7, when the gear to be processed rotates through a guide wheel, the upper deburring wheel 12 and the lower deburring wheel 13 simultaneously contact one side of the upper end and one side of the lower end of the gear, at this time, the third motor 11 is started to drive the upper deburring wheel 12 and the lower deburring wheel 13 to rotate simultaneously, and then two sides of the gear are deburred simultaneously.
The inside of type of falling U support 6 is provided with two and is level and parallel arrangement's spacing post 15, two spacing post 15 both ends respectively with type of falling U support 6's inner wall fixed connection, the both sides of first type of falling U frame 10 and second type of falling U frame 14 are provided with stop collar 16 respectively, every stop collar 16 can gliding setting respectively on every spacing post 15, when guide pulley subassembly and two-sided polishing subassembly remove in opposite directions, the spacing post 15 and the stop collar 16 that set up play the effect of spacing removal.
The upper positioning assembly further comprises a first air cylinder 17 and a first lifting block 18, the first air cylinder 17 is vertically arranged above the temporary storage plate 2, the first air cylinder 17 is fixedly connected with the center of the upper end of the inner part of the inverted U-shaped support 6 through a first fixing support, the output end of the first air cylinder 17 is arranged downwards, the first lifting block 18 is horizontally and fixedly installed at the output end of the first air cylinder 17, a first bearing 19 is arranged at the bottom of the first lifting block 18, an upper positioning block is positioned below the first lifting block 18, a first rotating shaft is arranged at the top of the upper positioning block, the top of the first rotating shaft can be rotatably inserted into an inner ring of the first bearing 19, a first positioning pin 20 capable of extending towards the inner ring of the gear is arranged at the bottom of the upper positioning block, the lower positioning block 5 abuts against the bottom of the gear and simultaneously starts the first air cylinder 17, the first air cylinder 17 drives the first lifting block 18 to move downwards, the upper positioning block is abutted against the top center of the gear, the first positioning pin 20 is inserted into the inner ring of the gear for positioning, and when the gear rotates, the first bearing 19 is arranged to prevent the first lifting block 18 from rotating.
The lower positioning assembly further comprises a second cylinder 21 and a second lifting block 22, the second cylinder 21 is vertically arranged below the temporary storage plate 2, the second cylinder 21 is fixedly arranged at the top of the processing table 1, the output end of the second cylinder 21 is upwards arranged, the second lifting block 22 is horizontally and fixedly arranged at the output end of the second cylinder 21, a second bearing 23 is arranged at the top of the second lifting block 22, the lower positioning block 5 is positioned above the second lifting block 22, a second rotating shaft is arranged at the bottom of the lower positioning block 5, the top of the second rotating shaft can be rotatably inserted into an inner ring of the second bearing 23, a second positioning pin 24 capable of extending towards the inner ring of the gear is arranged at the top of the lower positioning block 5, after the gear is positioned on the temporary storage plate 2, the second cylinder 21 is started, the second cylinder 21 drives the second lifting block 22 to upwards move, so that the lower positioning block 5 is abutted against the bottom center of the gear, the second positioning pin 24 is inserted into the inner race of the gear for positioning, and a second bearing 23 is provided to prevent the second lifter 22 from rotating when the gear rotates.
The bottom of temporary storage board 2 is provided with third cylinder 25, and third cylinder 25 is vertical fixed mounting at the top of processing platform 1, and the output of third cylinder 25 upwards sets up, and the output of third cylinder 25 and the bottom fixed connection of temporary storage board 2, and temporary storage board 2 is the level setting, is provided with on the temporary storage board 2 to be used for dodging the punchthrough 26 that dodges that lower locating piece 5 removed, and when the gear was contradicted respectively by last locating piece and lower locating piece 5, start third cylinder 25, and third cylinder 25 drives temporary storage board 2 and removes downwards.
The feeding track 3 is horizontally arranged on one side of the temporary storage plate 2, the bottom of the feeding track 3 is fixedly connected with the top of the processing table 1 through a first vertical frame, one side of the feeding track 3 is provided with a guide track 27 which is obliquely arranged, one end of the guide track 27 is communicated with one side of the feeding track 3, the top of the guide track 27 is fixedly connected with the top of the processing table 1 through a second vertical frame, one end, far away from the temporary storage plate 2, of the feeding track 3 is provided with a material pushing positioning block 28 which can move towards the temporary storage plate 2, one end of the material pushing positioning block 28 is provided with a fourth cylinder 29, the output end of the fourth cylinder 29 is fixedly connected with one end of the material pushing positioning block 28, a first arc-shaped notch 30 capable of abutting against a gear is arranged on the material pushing positioning block 28, and the fourth cylinder 29 is fixedly connected with the top of the processing table 1 through.
The blanking track is obliquely arranged at one end of the temporary storage plate 2 far away from the feeding track 3, the bottom of the blanking track is fixedly connected with the top of the processing table 1 through a third vertical frame, a horizontally arranged fifth cylinder 31 is arranged above the blanking track, the fifth cylinder 31 is fixedly connected with the top of the processing table 1 through a third fixed support, the output end of the fifth cylinder 31 is arranged towards the direction of the fourth cylinder 29, the axial direction of the fifth cylinder 31 is the same as the axial direction of the fourth cylinder 29, the output end of the fifth cylinder 31 is provided with a blanking positioning iron block 32, the blanking positioning iron block 32 is provided with a second arc-shaped notch 33 capable of abutting against a gear, an electromagnet 34 is arranged on the blanking positioning iron block 32, during processing, the gear is sequentially loaded through the guide track 27, when a single gear enters the feeding track, at this time, the fifth cylinder 31 drives the blanking positioning iron block 32 to be close to one end of the temporary storage plate 2, and starting the fourth cylinder 29, driving the material pushing positioning block 28 to push the single gear to the temporary storage plate 2 by the fourth cylinder 29, enabling the other end of the gear to abut against the second arc-shaped notch 33 of the blanking positioning iron block 32 for positioning, enabling the gear to be in a positioning state at the moment, starting the electromagnet 34 after the gear is machined, enabling the blanking positioning iron block 32 to be magnetized by the electromagnet 34, moving the machined gear to the upper part of the blanking track through the blanking positioning iron block 32, and then stopping the electromagnet 34 to enable the machined gear to fall into the blanking track for blanking.
The working principle is as follows: when the gear is processed, the gear is sequentially loaded through the material guide rail 27, when a single gear enters the material loading rail, at this time, the fifth cylinder 31 drives the blanking positioning iron block 32 to be close to one end of the temporary storage plate 2, the fourth cylinder 29 is started, the fourth cylinder 29 drives the material pushing positioning block 28 to push the single gear to the temporary storage plate 2, the other end of the gear is abutted against the second arc-shaped notch 33 of the blanking positioning iron block 32 for positioning, at this time, the gear is in a positioning state, after the gear is processed, the electromagnet 34 is started, the electromagnet 34 magnetizes the blanking positioning iron block 32, the processed gear is moved to the upper part of the blanking rail through the blanking positioning iron block 32, then the electromagnet 34 stops working, the processed gear falls into the blanking rail for blanking, after the gear is positioned on the temporary storage plate 2, the second cylinder 21 is started, the second cylinder 21 drives the second lifting block 22 to be abutted against the bottom center of the gear, the second positioning pin 24 is inserted into the inner ring of the gear for positioning, when the gear rotates, the second bearing 23 is arranged to prevent the lifting block from rotating, the lower positioning block 5 is abutted against the bottom of the gear, the first cylinder 17 is simultaneously started, the first cylinder 17 drives the first lifting block 18 to move downwards, so that the upper positioning block is abutted against the top center of the gear, the first positioning pin 20 is inserted into the inner ring of the gear for positioning, when the gear rotates, the first bearing 19 is arranged to prevent the first lifting block 18 from rotating, when the gear is respectively abutted by the upper positioning block and the lower positioning block 5, the third cylinder 25 is started, the third cylinder 25 drives the temporary storage plate 2 to move downwards, after the temporary storage plate 2 moves downwards, the two-way screw rod transmission machine 7 is started, two working ends of the two-way screw rod transmission machine 7 respectively drive the guide wheel assembly and the two-sided polishing assembly to move towards each other, and the guide wheel assembly and the two-sided polishing assembly are respectively, when guide wheel subassembly and two-sided subassembly of polishing removed in opposite directions, spacing post 15 and the stop collar 16 that sets up play spacing removal's effect, when leading tooth 9 is close to the gear that needs the processing of being fixed a position, it sets up with the gear engagement that needs the processing to lead tooth 9, second motor 8 drives and leads tooth 9 rotatory, it drives the gear that needs the processing to lead tooth 9 and rotates, when the gear that needs the processing passes through the guide pulley rotatory, go up burr wheel 12 and lower burr wheel 13 and contact upper end one side and lower extreme one side of gear simultaneously, at this moment start third motor 11, it is rotatory simultaneously to drive burr wheel 12 and lower burr wheel 13, and then carry out the burring with the two sides of gear simultaneously.
It should be understood that the above-described embodiments are merely preferred embodiments of the invention and the technical principles applied thereto. It will be understood by those skilled in the art that various modifications, equivalents, changes, and the like can be made to the present invention. However, such variations are within the scope of the invention as long as they do not depart from the spirit of the invention. In addition, certain terms used in the specification and claims of the present application are not limiting, but are used merely for convenience of description.