CN106964804A - A kind of Counterboring apparatus - Google Patents
A kind of Counterboring apparatus Download PDFInfo
- Publication number
- CN106964804A CN106964804A CN201710365060.7A CN201710365060A CN106964804A CN 106964804 A CN106964804 A CN 106964804A CN 201710365060 A CN201710365060 A CN 201710365060A CN 106964804 A CN106964804 A CN 106964804A
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- CN
- China
- Prior art keywords
- reamer
- main shaft
- counterboring apparatus
- swivel head
- head
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/0018—Drills for enlarging a hole
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Units (AREA)
- Milling Processes (AREA)
Abstract
The invention discloses a kind of Counterboring apparatus, including：Base, elevating mechanism, reamer, mobile device, turning device and lower ejection device, elevating mechanism is arranged on the traveller of base, turning device is arranged on base by mobile device, reamer is arranged on the crane of elevating mechanism with lower ejection device, lower ejection device includes micro-move device device and top tray device, the instantaneous of workpiece is contacted in the reamer of reamer, micro-move device device drives top tray device top pressure on the top of the main shaft of reamer, it is to avoid the reamer is impacted and damage in contact workpiece initial stage.Present invention decreases the axial float of main shaft, make machining accuracy high, and reamer is difficult to be damaged.
Description
Technical field
The present invention relates to machining technology field, and in particular to a kind of Counterboring apparatus.
Background technology
The cutter head of Counterboring apparatus is linked together with rotating shaft, and rotating shaft is rotatably arranged on support by bearing, due to
Bearing has certain axial float in itself, and the actual amount of feeding of the cutter head during feeding can be less than the amount of feeding of feed arrangement,
The actual grade in the hole processed can be less than design load, have impact on machining accuracy, when cutter head and workpiece instantaneous touch, due to axle
Hold and there is axial float, cutter head starts to hit with workpiece during cutting, and easily occurring forging a knife damages cutter head, not only wastes
Resource, also influences processing efficiency.
The content of the invention
In view of the above-mentioned problems, the present invention provides a kind of machining accuracy height, the Counterboring apparatus of cutter head service life length.
To achieve the above object, the present invention provides following technical scheme：
A kind of Counterboring apparatus, including：
Base, the base be provided with traveller and elevating mechanism, the elevating mechanism include lifting motor, elevating screw and
Crane, the lifting motor is fixedly mounted on the top of the traveller, and the elevating screw is movably arranged on the traveller
Side, the elevating screw is connected with the output shaft of the lifting motor, and the crane is slidably arranged on the traveller,
The nut of the crane is set on the elevating screw；
Reamer, the reamer includes casing, spindle motor, driving pulley, belt, driven pulley and main shaft, described
Casing is fixedly mounted on the right-hand member of the crane, and the spindle motor is arranged on the casing, and the spindle mobility is set
On the casing, the driving pulley is arranged on the output shaft of the spindle motor, and the driven pulley is arranged on described
The upper end of main shaft, the belt is set on the driving pulley and the driven pulley, and the spindle motor passes through the master
Movable belt pulley drives the belt movement, and the belt of motion drives the driven pulley to drive the main shaft rotation；
Mobile device, the mobile device is arranged in the frame of the base, and the mobile device includes drive cylinder
And movable plate, the drive cylinder is in the frame, and the movable plate is fixedly connected on the push rod of the drive cylinder
On；
Turning device, the turning device is located at the lower section of the main shaft, and the turning device includes electric rotating machine, rotation
Axle and clamping device, the electric rotating machine are arranged on the movable plate, the rotary shaft is movably arranged on the movable plate,
And be connected with the output shaft of the electric rotating machine, the clamping device is arranged on the right-hand member of the rotary shaft；
Lower ejection device, the lower ejection device is arranged in the casing, and the lower ejection device includes micro-move device device and top
Disk device, the instantaneous of workpiece is contacted in the reamer of the reamer, and the micro-move device device drives the top tray device top pressure
On the top of the main shaft, it is to avoid the reamer is impacted and damage in contact workpiece initial stage；
Control device, the control device coordinates each moving component work of control.
Further, the top tray device includes small axle, several steel balls, several swivel heads and retainer, described small
Axle is connected to the lower end of the guide rod of the micro-move device device, and several steel balls are contained in the groove of the small axle lower end, described
Swivel head is contained between the supporting body on the lower end of the small axle and the main shaft top, and the loading end of the swivel head is kept out
On the carrying conical surface of the steel ball and the supporting body, several swivel heads by the retainer interval holding together.
Further, the groove is several, and is evenly distributed on the lower end of the small axle, of the swivel head
Number is identical with the number of the groove.
Further, the swivel head is corresponding with the groove and the steel ball.
Further, the top tray device also includes several side rotary heads and a pair of clamping shells, and the side rotary head is fixed
On the swivel head, a pair of clamping shells are each attached to the upper end of the small axle, and the extrados of the side rotary head is kept out described
In the slideway for clamping shell inwall.
Further, the side rotary head is fixed on by connecting shaft in the endoporus of the swivel head.
Further, a pair of clamping shells are fixed on the upper end of the small axle by neck.
Further, the axis of the relatively described swivel head of the loading end is obliquely installed.
Further, the angle of the axis of the relatively described swivel head of the loading end is 5 °~15 °.
It can be seen from above-mentioned technical scheme that, it is an advantage of the invention that：Machining accuracy is high, and cutter head service life is long.
In addition to objects, features and advantages described above, the present invention also has other objects, features and advantages.
Below with reference to figure, the present invention is further detailed explanation.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.In the accompanying drawings：
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the mobile device of the present invention and the installation diagram of turning device.
Fig. 3 is the structural representation of the turning device of the present invention.
Fig. 4 is the structural representation of the mobile device of the present invention.
Fig. 5 is the partial sectional view of the present invention.
Fig. 6 is the structural representation of the top tray device of the lower ejection device of the present invention.
Marked in figure：Base 100, column 110, traveller 111, elevating mechanism 120, lifting motor 121, elevating screw
122nd, crane 123, frame 10, riser 11, mobile device 20, slide rail 21, sliding block 22, movable plate 23, side plate 231, driving gas
Cylinder 24, push rod 241, turning device 30, electric rotating machine 31, rotary shaft 32, clamping cylinder 33, clamp arm 34, upper fixture block 35, lower folder
Block 36, reamer 40, reamer 41, main shaft 42, supporting body 421, the carrying conical surface 4211, spindle motor 43, driving pulley 44, skin
Band 45, driven pulley 46, casing 47, cooling device 50, nozzle 51, bogey 60, lower ejection device 70, stepper motor 71, snail
Bar 72, turbine 73, tooth 731, guide rod 74, top tray device 75, small axle 751, groove 7511, steel ball 752, swivel head 753, loading end
7531st, side rotary head 754, connecting shaft 7541, clamping shell 755, neck 7551, slideway 7552, retainer 756.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Embodiment one
Referring to figs. 1 to Fig. 6, a kind of Counterboring apparatus as depicted in figs. 1 and 2, including base 100 are set on the base 100
There are column 110 and frame 10, the upper surface of the column 110, which is provided with a traveller 111, the traveller 111, slideably to be set
There is an elevating mechanism 120, the elevating mechanism 120 includes lifting motor 121, elevating screw 122 and crane 123, the liter
Drop motor 121 is fixedly mounted on the top of the traveller 111, and the elevating screw 122 is movably arranged on the one of the traveller 111
Side, the elevating screw 122 is connected with the output shaft of the lifting motor 121, and the crane 123 is slidably arranged in described
On traveller 111, the nut of the crane 123 is set on the elevating screw 122；The frame 10 is provided with a movement dress
20 are put, the mobile device 20 is provided with a turning device 30, and the turning device 30 is located under the crane 123
Side, the mobile device 20 is used for the position height for adjusting the turning device 30, and the turning device 30, which can be realized, once to be filled
Folder, the punching of multiple planes.
As shown in Figure 2, Figure 3 and Figure 4, the mobile device 20 includes a pair of slide rails 21, sliding block 22, drive cylinder 24 and moved
Dynamic plate 23, the drive cylinder 24 is arranged in the frame 10, and the movable plate 23 is fixedly connected on the drive cylinder 24
Push rod 241 on, the two ends of the movable plate 23 are equipped with a sliding block 22, and a pair of slide rails 21 are respectively fixedly disposed at the frame
On 10 a pair of risers 11, and the slide rail 21 is perpendicular to the ground, and a pair of sliding blocks 22 are slidably connected with a pair of slide rails 21,
Wherein, the upper surface of the movable plate 23 is provided with side plate 231；The turning device 30 includes electric rotating machine 31, rotary shaft
32 and clamping device, the electric rotating machine 31 is arranged on the side plate 231 of the movable plate 23, and the activity of rotary shaft 32 is set
It is connected on the movable plate 23 and with the output shaft of the electric rotating machine 31, the clamping device is mounted on described
On the bogey 60 of the right-hand member of rotary shaft 32, wherein, the clamping device include clamping cylinder 33, a pair of clamp arms 34, on
Fixture block 35 and lower fixture block 36, the clamping cylinder 33 are fixedly installed on the bogey 60, and a pair of clamp arms 34 are arranged on
The two ends of the clamping cylinder 33, the upper fixture block 35 and lower fixture block 36 are respectively fixedly disposed at the inner side of a pair of clamp arms 34,
The setting of the upper fixture block 35 and lower fixture block 36 makes the blessing of workpiece more reliable.
As shown in figure 5, the Counterboring apparatus also includes the reamer 40 being arranged on the crane 123, the reamer
40 include casing 47, spindle motor 43, driving pulley 44, belt 45, driven pulley 46, main shaft 42 and reamer 41, the case
Body 47 is fixedly mounted on the right-hand member of the crane 123, and the spindle motor 43 is arranged on the casing 47, the main shaft 42
It is movably arranged on by bearing on the casing 47, the driving pulley 44 is arranged on the output shaft of the spindle motor 43,
The driven pulley 46 is arranged on the upper end of the main shaft 42, and the belt 45 is set in the driving pulley 44 and described driven
On belt wheel 46, the spindle motor 43 drives the belt 45 to move by the driving pulley 44, and the belt 45 of motion drives
The driven pulley 46 drives the main shaft 42 to rotate, and the reamer 41 is removably disposed in the lower end of the main shaft 42,
The rotation of main shaft 42 drives the rotation of reamer 41 to carry out hole machined, and the reamer 41 is located at the turning device 30
Top.
The Counterboring apparatus also includes lower ejection device 70, and the lower ejection device 70 is arranged in the casing 47, the lower top
Device 70 includes micro-move device device and top tray device 75, and the micro-move device device includes stepper motor 71, worm screw 72, the and of turbine 73
Guide rod 74, the stepper motor 71 is fixedly connected on the casing 47, and the worm screw 72 is articulated in the casing 47, and institute
The one end for stating worm screw 72 is fixedly connected with the output shaft of the stepper motor 71, and the turbine 73 is articulated in the casing 47,
And the turbine 73 is engaged with the worm screw 72, tooth 731 is additionally provided with the turbine 73, the guide rod 74 is slidably arranged on institute
State on casing 47, and the tooth 731 on the turbine 73 is engaged with the straight-tooth on the guide rod 74, the top tray device
75 are arranged on the lower end of the guide rod 74, and the guide rod 74 carries out micro-shifting in the effect of the turbine 73 and moved, because bearing has
Axial float, the instantaneous of workpiece is contacted in the reamer 41, and the micro-move device device drives the top pressure of top tray device 75 to exist
The top of the main shaft 42, certain pretightning force is applied to the main shaft 42, it is to avoid the reamer 41 is at contact workpiece initial stage
Impacted and damaged, can improved operating efficiency while saving the energy, also avoid the play of bearing from causing the depth in hole small
The mismachining tolerance caused in design load, makes machining accuracy high.
As shown in fig. 6, the top tray device 75 includes small axle 751, several steel balls 752, several swivel heads 753 and protected
Frame 756 is held, the small axle 751 is fixedly connected on the lower end of the guide rod 74, and the lower end of the small axle 751 is provided with a boss, institute
The lower end for stating boss is provided with several equally distributed grooves 7511 in a ring, and several steel balls 752 are contained in the groove
In 7511, the swivel head 753 is contained between the supporting body 421 on the lower end of the small axle 751 and the top of the main shaft 42, institute
The loading end 7531 for stating swivel head 753 is kept out on the carrying conical surface 4211 of the steel ball 752 and the supporting body 421, some
Individual swivel head 753 by the interval holding of retainer 756 together, and the number of the swivel head 753 and the groove 7511
Number it is identical, and the swivel head 753 is corresponding with the groove 7511 and the steel ball 752, wherein, the loading end
The axis of 7531 relatively described swivel heads 753 is obliquely installed, and can make the self-centering of main shaft 42, reduces the main shaft 42
Radial-play.
Preferably, the number of the steel ball 752 and the swivel head 753 is 8.
Preferably, the angle of the axis of the relatively described swivel head 753 of the loading end 7531 is 5 °~15 °.
Optimally, the angle of the axis of the relatively described swivel head 753 of the loading end 7531 is 7.5 °.
The top tray device 75 also includes several side rotary heads 754 and a pair of clamping shells 755, and the side rotary head 754 passes through
Connecting shaft 7541 is fixed in the endoporus of the swivel head 753, and a pair of clamping shells 755 are fixed on described small by neck 7551
On the upper end of axle 751, the extrados of the side rotary head 754 is kept out in the slideway 7552 of the clamping inwall of shell 755.
Using structure as the top tray device 75, the setting of the steel ball 752, the extrados of the side rotary head 754
Keep out and be to ensure that the swivel head 753 can be with the supporting body 421 in the slideway 7552 of the clamping inwall of shell 755
Smoothly rotate, make the main shaft 42 can also smooth rotation while reducing axial float.
The Counterboring apparatus also includes cooling device 50, the nozzle 51 of the cooling device 50 close to the reamer 41, by
The cooling of reamer 41 is set to realize Continuous maching in injection liquid.
The Counterboring apparatus also includes control device, the lifting motor 121, the control magnetic valve of drive cylinder 24, rotation
Motor 31, the control magnetic valve of clamping cylinder 33, spindle motor 43 and stepper motor 71 are electrically connected with the control device, institute
State control device and coordinate each moving component work of control, wherein, the lifting motor 121 is coding motor.
Embodiment two
Referring to figs. 1 to Fig. 6, a kind of Counterboring apparatus as depicted in figs. 1 and 2, including base 100 are set on the base 100
There are column 110 and frame 10, the upper surface of the column 110, which is provided with a traveller 111, the traveller 111, slideably to be set
There is an elevating mechanism 120, the elevating mechanism 120 includes lifting motor 121, elevating screw 122 and crane 123, the liter
Drop motor 121 is fixedly mounted on the top of the traveller 111, and the elevating screw 122 is movably arranged on the one of the traveller 111
Side, the elevating screw 122 is connected with the output shaft of the lifting motor 121, and the crane 123 is slidably arranged in described
On traveller 111, the nut of the crane 123 is set on the elevating screw 122；The frame 10 is provided with a movement dress
20 are put, the mobile device 20 is provided with a turning device 30, and the turning device 30 is located under the crane 123
Side, the mobile device 20 is used for the position height for adjusting the turning device 30, and the turning device 30, which can be realized, once to be filled
Folder, the punching of multiple planes.
As shown in Figure 2, Figure 3 and Figure 4, the mobile device 20 includes a pair of slide rails 21, sliding block 22, drive cylinder 24 and moved
Dynamic plate 23, the drive cylinder 24 is arranged in the frame 10, and the movable plate 23 is fixedly connected on the drive cylinder 24
Push rod 241 on, the two ends of the movable plate 23 are equipped with a sliding block 22, and a pair of slide rails 21 are respectively fixedly disposed at the frame
On 10 a pair of risers 11, and the slide rail 21 is perpendicular to the ground, and a pair of sliding blocks 22 are slidably connected with a pair of slide rails 21,
Wherein, the upper surface of the movable plate 23 is provided with side plate 231；The turning device 30 includes electric rotating machine 31, rotary shaft
32 and clamping device, the electric rotating machine 31 is arranged on the side plate 231 of the movable plate 23, and the activity of rotary shaft 32 is set
It is connected on the movable plate 23 and with the output shaft of the electric rotating machine 31, the clamping device is mounted on described
On the bogey 60 of the right-hand member of rotary shaft 32, wherein, the clamping device include clamping cylinder 33, a pair of clamp arms 34, on
Fixture block 35 and lower fixture block 36, the clamping cylinder 33 are fixedly installed on the bogey 60, and a pair of clamp arms 34 are arranged on
The two ends of the clamping cylinder 33, the upper fixture block 35 and lower fixture block 36 are respectively fixedly disposed at the inner side of a pair of clamp arms 34,
The setting of the upper fixture block 35 and lower fixture block 36 makes the blessing of workpiece more reliable.
As shown in figure 5, the Counterboring apparatus also includes the reamer 40 being arranged on the crane 123, the reamer
40 include casing 47, spindle motor 43, driving pulley 44, belt 45, driven pulley 46, main shaft 42 and reamer 41, the case
Body 47 is fixedly mounted on the right-hand member of the crane 123, and the spindle motor 43 is arranged on the casing 47, the main shaft 42
It is movably arranged on by bearing on the casing 47, the driving pulley 44 is arranged on the output shaft of the spindle motor 43,
The driven pulley 46 is arranged on the upper end of the main shaft 42, and the belt 45 is set in the driving pulley 44 and described driven
On belt wheel 46, the spindle motor 43 drives the belt 45 to move by the driving pulley 44, and the belt 45 of motion drives
The driven pulley 46 drives the main shaft 42 to rotate, and the reamer 41 is removably disposed in the lower end of the main shaft 42,
The rotation of main shaft 42 drives the rotation of reamer 41 to carry out hole machined, and the reamer 41 is located at the turning device 30
Top.
The Counterboring apparatus also includes lower ejection device 70, and the lower ejection device 70 is arranged in the casing 47, the lower top
Device 70 includes micro-move device device and top tray device 75, and the micro-move device device includes stepper motor 71, worm screw 72, the and of turbine 73
Guide rod 74, the stepper motor 71 is fixedly connected on the casing 47, and the worm screw 72 is articulated in the casing 47, and institute
The one end for stating worm screw 72 is fixedly connected with the output shaft of the stepper motor 71, and the turbine 73 is articulated in the casing 47,
And the turbine 73 is engaged with the worm screw 72, tooth 731 is additionally provided with the turbine 73, the guide rod 74 is slidably arranged on institute
State on casing 47, and the tooth 731 on the turbine 73 is engaged with the straight-tooth on the guide rod 74, the top tray device
75 are arranged on the lower end of the guide rod 74, and the guide rod 74 carries out micro-shifting in the effect of the turbine 73 and moved, because bearing has
Axial float, the instantaneous of workpiece is contacted in the reamer 41, and the micro-move device device drives the top pressure of top tray device 75 to exist
The top of the main shaft 42, certain pretightning force is applied to the main shaft 42, it is to avoid the reamer 41 is at contact workpiece initial stage
Impacted and damaged, can improved operating efficiency while saving the energy, also avoid the play of bearing from causing the depth in hole small
The mismachining tolerance caused in design load, makes machining accuracy high.
As shown in fig. 6, the top tray device 75 includes small axle 751, several steel balls 752, several swivel heads 753 and protected
Frame 756 is held, the small axle 751 is fixedly connected on the lower end of the guide rod 74, and the lower end of the small axle 751 is provided with a boss, institute
The lower end for stating boss is provided with several equally distributed grooves 7511 in a ring, and several steel balls 752 are contained in the groove
In 7511, the swivel head 753 is contained between the supporting body 421 on the lower end of the small axle 751 and the top of the main shaft 42, institute
The loading end 7531 for stating swivel head 753 is kept out on the carrying conical surface 4211 of the steel ball 752 and the supporting body 421, some
Individual swivel head 753 by the interval holding of retainer 756 together, and the number of the swivel head 753 and the groove 7511
Number it is identical, and the swivel head 753 is corresponding with the groove 7511 and the steel ball 752, wherein, the loading end
The axis of 7531 relatively described swivel heads 753 is obliquely installed, and can make the self-centering of main shaft 42, reduces the main shaft 42
Radial-play.
Preferably, the number of the steel ball 752 and the swivel head 753 is 12.
Preferably, the angle of the axis of the relatively described swivel head 753 of the loading end 7531 is 8 °.
Optimally, the angle of the axis of the relatively described swivel head 753 of the loading end 7531 is 4 °.
The top tray device 75 also includes several side rotary heads 754 and a pair of clamping shells 755, and the side rotary head 754 passes through
Connecting shaft 7541 is fixed in the endoporus of the swivel head 753, and a pair of clamping shells 755 are fixed on described small by neck 7551
On the upper end of axle 751, the extrados of the side rotary head 754 is kept out in the slideway 7552 of the clamping inwall of shell 755.
Using structure as the top tray device 75, the setting of the steel ball 752, the extrados of the side rotary head 754
Keep out and be to ensure that the swivel head 753 can be with the supporting body 421 in the slideway 7552 of the clamping inwall of shell 755
Smoothly rotate, make the main shaft 42 can also smooth rotation while reducing axial float.
The Counterboring apparatus also includes cooling device 50, the nozzle 51 of the cooling device 50 close to the reamer 41, by
The cooling of reamer 41 is set to realize Continuous maching in injection liquid.
The Counterboring apparatus also includes control device, the lifting motor 121, the control magnetic valve of drive cylinder 24, rotation
Motor 31, the control magnetic valve of clamping cylinder 33, spindle motor 43 and stepper motor 71 are electrically connected with the control device, institute
State control device and coordinate each moving component work of control, wherein, the lifting motor 121 is coding motor.
The preferred embodiments of the present invention are these are only, are not intended to limit the invention, for those skilled in the art
For member, the present invention can have various modifications and variations.Any modification within the spirit and principles of the invention, being made,
Equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of Counterboring apparatus, it is characterised in that including：
Base (100), the base (100) is provided with traveller (111) and elevating mechanism (120), elevating mechanism (120) bag
Lifting motor (121), elevating screw (122) and crane (123) are included, the lifting motor (121) is fixedly mounted on the cunning
The top of post (111), the elevating screw (122) is movably arranged on the side of the traveller (111), the elevating screw
(122) output shaft with the lifting motor (121) is connected, and the crane (123) is slidably arranged in the traveller (111)
On, the nut of the crane (123) is set on the elevating screw (122)；
Reamer (40), the reamer (40) include casing (47), spindle motor (43), driving pulley (44), belt (45),
Driven pulley (46) and main shaft (42), the casing (47) are fixedly mounted on the right-hand member of the crane (123), the main shaft electricity
Machine (43) is arranged on the casing (47), and the main shaft (42) is movably arranged on the casing (47), the driving pulley
(44) on the output shaft of the spindle motor (43), the driven pulley (46) is arranged on the upper of the main shaft (42)
End, the belt (45) is set on the driving pulley (44) and the driven pulley (46), and the spindle motor (43) is led to
Cross the driving pulley (44) and drive belt (45) motion, the belt (45) of motion drives the driven pulley (46) to drive
Main shaft (42) rotation；
Mobile device (20), the mobile device (20) is arranged in the frame of the base (100) (10), the mobile device
(20) drive cylinder (24) and movable plate (23) are included, the drive cylinder (24) is arranged in the frame (10), described to move
Dynamic plate (23) is fixedly connected on the push rod of the drive cylinder (24) (241)；
Turning device (30), the turning device (30) is located at the lower section of the main shaft (42), and the turning device (30) includes
Electric rotating machine (31), rotary shaft (32) and clamping device, the electric rotating machine (31) are arranged on the movable plate (23), described
Rotary shaft (32) is movably arranged on the movable plate (23) and is connected with the output shaft of the electric rotating machine (31), described
Clamping device is arranged on the right-hand member of the rotary shaft (32)；
Lower ejection device (70), the lower ejection device (70) is arranged in the casing (47), and the lower ejection device (70) includes micro-
Drive device and top tray device (75), the reamer (41) in the reamer (40) contact instantaneous, the micro-move device of workpiece
Device drives top tray device (75) top pressure on the top of the main shaft (42), it is to avoid the reamer (41) is in contact workpiece
Initial stage is impacted and damaged；
Control device, the control device coordinates each moving component work of control.
2. Counterboring apparatus according to claim 1, it is characterised in that the top tray device (75) include small axle (751) if,
Dry steel ball (752), several swivel heads (753) and retainer (756), the small axle (751) are connected to the micro-move device dress
The lower end for the guide rod (74) put, several steel balls (752) are contained in the groove (7511) of small axle (751) lower end, described
Swivel head (753) is contained between the supporting body (421) on the lower end of the small axle (751) and the main shaft (42) top, described
The loading end (7531) of swivel head (753) keeps out the carrying conical surface (4211) in the steel ball (752) and the supporting body (421)
On, several swivel heads (753) by the retainer (756) interval holding together.
3. Counterboring apparatus according to claim 2, it is characterised in that the groove (7511) is several, and uniformly divided
Cloth is in the lower end of the small axle (751), and the number of the swivel head (753) is identical with the number of the groove (7511).
4. Counterboring apparatus according to claim 3, it is characterised in that the swivel head (753) and the groove (7511)
And the steel ball (752) is corresponding.
5. Counterboring apparatus according to claim 2, it is characterised in that the top tray device (75) also includes several sides and turned
Head (754) and a pair of clamping shells (755), the side rotary head (754) are fixed on the swivel head (753), a pair of clamping shells
(755) upper end of the small axle (751) is each attached to, the extrados of the side rotary head (754) is kept out in the clamping shell (755)
In the slideway (7552) of inwall.
6. Counterboring apparatus according to claim 5, it is characterised in that the side rotary head (754) passes through connecting shaft (7541)
In the endoporus for being fixed on the swivel head (753).
7. Counterboring apparatus according to claim 5, it is characterised in that a pair of clamping shells (755) pass through neck (7551)
On the upper end for being fixed on the small axle (751).
8. Counterboring apparatus according to claim 2, it is characterised in that the relatively described swivel head of loading end (7531)
(753) axis is obliquely installed.
9. Counterboring apparatus according to claim 8, it is characterised in that the relatively described swivel head of loading end (7531)
(753) angle of axis is 5 °~15 °.
10. Counterboring apparatus according to claim 9, it is characterised in that the relatively described swivel head of loading end (7531)
(753) angle of axis is 8 °.
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