CN110480099A - A kind of process tool and processing method for workpiece reverse side counterbore - Google Patents
A kind of process tool and processing method for workpiece reverse side counterbore Download PDFInfo
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- CN110480099A CN110480099A CN201910645262.6A CN201910645262A CN110480099A CN 110480099 A CN110480099 A CN 110480099A CN 201910645262 A CN201910645262 A CN 201910645262A CN 110480099 A CN110480099 A CN 110480099A
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- 238000000034 method Methods 0.000 title claims abstract description 136
- 230000008569 process Effects 0.000 title claims abstract description 129
- 238000003672 processing method Methods 0.000 title abstract description 8
- 230000000712 assembly Effects 0.000 claims abstract description 36
- 238000000429 assembly Methods 0.000 claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims abstract description 8
- 238000003825 pressing Methods 0.000 claims description 46
- 238000003754 machining Methods 0.000 claims description 13
- 210000002421 cell wall Anatomy 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 2
- 238000005191 phase separation Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000011148 porous material Substances 0.000 abstract description 3
- 238000012856 packing Methods 0.000 abstract 1
- 239000011324 bead Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000008570 general process Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D79/00—Methods, machines, or devices not covered elsewhere, for working metal by removal of material
- B23D79/02—Machines or devices for scraping
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- Drilling And Boring (AREA)
Abstract
The invention discloses a kind of process tool and processing method for workpiece reverse side counterbore, process tool includes mounting base, doctor assemblies and the transmission connecting mechanism being set between mounting base and doctor assemblies, and mounting base includes main part, interconnecting piece and pushing part；Doctor assemblies include blade cover and scraper, and scraper includes blade bearing and blade, and blade cover has main part and wears socket part, and blade bearing is connect with wearing socket part and rotate, and make scraper with packing up and unfolded state；The pushing part of mounting base is inserted in the cavity of blade cover, and pushing part has pushing tow state；Mounting base is connect with doctor assemblies by transmission connecting mechanism, so that drive installation seat is moved, process tool can be driven to be moved and rotate scraper.Process tool provided by the invention can process workpiece reverse side counterbore, realize automatic processing；The hole of different pore size can be processed, there is versatility；Processing method is easy to operate, short the time required to processing, improves production efficiency.
Description
Technical field
The present invention relates to mechanical manufacturing field more particularly to a kind of process tools and processing side for workpiece reverse side counterbore
Method.
Background technique
In the prior art, when scraping flat hole and counterbore to the back side of workpieces processing, general process tool, which can not reach, to be added
The back side of work workpiece needs scraper knife bar from back of work stretching and radial drilling machine hand assembled, is processed, after processing is completed
Scraper knife bar is dismantled again；When Deng starting next anti-scrape hole, reinstalling scraper knife bar and repeating aforesaid operations, it is time-consuming and laborious,
Processing efficiency is low.
Summary of the invention
In order to solve problems in the prior art, the present invention provides a kind of process tool for workpiece reverse side counterbore,
It is easy to operate, it realizes automatic processing, production efficiency can be improved, the technical solution is as follows:
The present invention provides a kind of process tools for workpiece reverse side counterbore comprising mounting base, doctor assemblies, it is described
Doctor assemblies include scraper, and the scraper includes blade bearing and the blade that is arranged on the blade bearing, the mounting base packet
Include main part, interconnecting piece and elongated pushing part for connecting external impetus mechanism；The doctor assemblies include blade cover
With scraper, the scraper includes blade bearing and the blade that is arranged on the blade bearing, the blade cover have main part and
For passing through the socket part of wearing of the through-hole on workpiece to be processed, the blade cover has along its axially extending cavity and the cavity exists
The side-walls that socket part is worn described in correspondence have an edge of a knife, and the socket part of wearing of the blade bearing and the blade cover rotates and connect, and make
The scraper, which has, to be packed up and unfolded state, and when scraper is in collapsed state, the scraper is housed in the chamber of the blade cover
In vivo；When the scraper is in unfolded state, the blade of the scraper exposes from the edge of a knife out；
The pushing part of the mounting base is inserted in the cavity of the blade cover and can be along relative to the blade cover
It moves axially adjacent to or moves away from the scraper, and the pushing part has pushing tow state, when being in pushing tow state, pushing tow
Portion offsets with the scraper, and the scraper is in unfolded state；
The process tool further includes the transmission connecting mechanism being set between the mounting base and the doctor assemblies, institute
It states mounting base and is connect with the doctor assemblies by the transmission connecting mechanism, so that the mounting base is driven to be moved,
The process tool is able to drive to be moved and rotate scraper.
Further, the direction for driving the mounting base towards close scraper is mobile, and the doctor assemblies are not come from
When the external force of moving direction hinders, it is able to drive process tool overall movement；Drive the mounting base towards the side close to scraper
To being moved, and when the doctor assemblies are hindered by the external force from moving direction, it is only able to drive the scraper rotation exhibition
It opens.
Further, the main part of the blade cover have facade, it is described wear socket part be from the facade along
The pipe that the extending direction of the pushing part extends to form, the facade are used to contradict with workpiece to be processed to provide prevention scraper
Cover mobile power.
Further, the mounting base further includes the socket part for being wholely set or being fixedly connected with its main part, the set
The first mounting groove, the second mounting groove are provided in socket part；
The transmission connecting mechanism includes:
Support sleeve, front are set in outside the main part of the blade cover, and the rear part is set in the pushing tow of the mounting base
Outside portion, the support sleeve is located at the front inner of the socket part of the mounting base, the support sleeve towards the mounting base
The first limiting slot is offered on the lateral surface of socket part；
Top cover, is set in outside the pushing part of the mounting base and its front end and the rear end of the support sleeve contradict；
Sliding sleeve, the axial direction along the top cover can be slidably set in outside the top cover, and the sliding sleeve is located at institute
The posterior medial of the socket part of mounting base is stated, is provided on the lateral surface of the socket part towards the mounting base of the sliding sleeve
Second limiting slot；
Pressing sleeve can be slidably sheathed on outside the socket part of the mounting base, offered on the pressing sleeve respectively with
First mounting groove, the second mounting groove adjacent the first escape groove and the second escape groove；
Set is kept out, it is opposite with the support sleeve to be arranged fixedly；
First locating part, relatively described first mounting groove can be movably mounted to along the inward-outward direction of the socket part
In first mounting groove；
Second locating part, relatively described second mounting groove can be movably mounted to along the inward-outward direction of the socket part
In second mounting groove；
First elastic component, the direction for being used to that the top cover to be made to tend to the main part far from the mounting base are slided；
Second elastic component, the direction for being used to that the pressing sleeve to be made to tend to the main part far from the mounting base are slided；
The process tool has original state, machining state, due-in knife-like state,
When the process tool is in original state, first locating part part is located in first mounting groove,
Part is located in the first escape groove, and the first locating part and the cell wall of the first escape groove offset, and second elastic component is in pressure
Contracting state；Second locating part part is located in second mounting groove, is partially located in the second limiting slot, and the second limit
Part faces second escape groove and mutually separates with the pressing sleeve；The scraper is in collapsed state；
When the process tool is in machining state, first locating part part is located in first mounting groove,
Part is located at the rear side in first limiting slot and being in the first limiting slot, and the outer end face of the first locating part and the pressing sleeve
Inner sidewall offset；Second locating part part is located in second mounting groove, is partially located in the second limiting slot, and the
The outer end face of two locating parts and the inner sidewall of the pressing sleeve offset, and second elastic component is in nature elongation state, the pressure
The front end of set offsets with the set of keeping out, and front end and the scraper of the pushing part offset, the scraper be in unfolded state and with
Workpiece contact；
When the process tool is in due-in knife-like state, first locating part part is located at first mounting groove
It is interior, partially it is located in first limiting slot and is in the front side of the first limiting slot, and the first locating part and the pressing sleeve phase point
From；Second locating part part is located in second mounting groove, is partially located in the second escape groove, and the second locating part
The lateral surface of inner face and the sliding sleeve offsets, and second elastic component is in compressive state, the front end of the pressing sleeve and institute
It states and keeps out set and offset, first elastic component is in compressive state, and front end and the scraper of the pushing part offset, at the scraper
It is separated in unfolded state and with workpiece.
Further, the both ends of first elastic component are connect with the main part of the mounting base, the top cover respectively；
And/or the both ends of second elastic component are connect with the top of the main part of the mounting base, the pressing sleeve respectively.
Further, the doctor assemblies further include the reset for making the scraper tend to rotate towards collapsed state
Elastic component, one end of the return springs and the blade bearing contradict, and other end setting is worn socket part and scraped far from described described
The medial end of the main part of broach shell, when the scraper is in unfolded state, the return springs are in compressive state.
Further, first locating part, the second locating part are respectively steel ball；First escape groove, the second evacuation
Slot is respectively provided at least one oblique side wall, when process tool is in original state, first locating part and the first escape groove
Oblique side wall is inconsistent；When process tool is in due-in knife-like state, second locating part and the oblique side wall of the second escape groove offset
Touching.
Further, the doctor assemblies can be releasably arranged in the mounting base.
Further, the medial surface for keeping out set offers third limiting slot, the inside of the main part of the blade cover
Face offers the 4th limiting slot, and third escape groove, the third limiting slot, the 4th limiting slot point are additionally provided on the socket part
Not Ju You oblique side wall, the process tool further include:
Thread bush, front are set in outside the support sleeve, and the rear part, which is set in, keeps out outside set；
Third elastic component, setting are kept out between set and thread bush described；
Third locating part, the relatively described third escape groove can be arranged slidingly back and forth, and the third locating part
External, the internal oblique side wall respectively with the third limiting slot, the 4th limiting slot offsets.
Further, the process tool further includes retainingf key, and the retainingf key is arranged in the support sleeve and the peace
Between the main part for filling seat.
The present invention also provides a kind of using above-mentioned process tool to the processing method of workpiece reverse side counterbore, and the workpiece has
Machined surface and contact surface comprising following steps:
S1, process tool are in original state, provide forward driving force using power mechanism, keep process tool whole to
Preceding movement, make blade cover wears socket part across the through-hole of the workpiece and connecing for the facade of the main part of blade cover and the workpiece
Contacting surface contradicts, and continues to drive forwards mounting base, and blade cover, which is obstructed, to be stopped moving, and the pushing part of mounting base is towards the side close to scraper
To movement, make scraper Unscrew, at this point, scraper is in the open state；
S2, driving force backward is provided using the power mechanism, process tool is driven integrally to move backward, until described
The blade of scraper and the processing face contact of workpiece, at this point, the process tool is in machining state, drive installation seat is rotated, i.e.,
The process tool unitary rotation is driven, blade carries out processing to workpiece and forms counterbore, completes processing；
S3, after processing is completed provides forward driving force using the power mechanism, drives the process tool to Forward
It is dynamic, until the contact surface of the facade of the main part of the blade cover and the workpiece contradicts, continues with the power mechanism and mention
Move forward mounting base for forward driving force, first locating part separates with the pressing sleeve and is pressed into first limit
In the slot of position, second locating part is separated with second limiting slot and is pressed into second escape groove, at this point, described
Process tool is in due-in knife-like state；
S4, stop applying process tool driving force, the process tool returns back to just under the stress of elastic component
Then beginning state provides driving force backward, exit the socket part of wearing of blade cover from the through-hole of workpiece.
Technical solution bring provided by the invention has the beneficial effect that:
A. the process tool provided by the present invention for workpiece reverse side counterbore is, it can be achieved that common process cutter can not be reached
Processing scrape flat hole and counterbore is processed, and mounting base is connect with doctor assemblies by the transmission connecting mechanism so that
It when drive installation seat is moved, is able to drive the process tool and is moved and rotate scraper, to realize automatic add
Work, and it is simple and convenient；
B. the hole of different pore size can be processed, is had provided by the present invention for the process tool of workpiece reverse side counterbore
Versatility；
C. it is provided by the invention using process tool to the processing method of workpiece reverse side counterbore, it is easy to operate, needed for processing
Time is short, improves production efficiency, realizes automatic processing.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the cross-sectional view of the original state of the process tool provided in an embodiment of the present invention for workpiece reverse side counterbore；
Fig. 2 is the facade of the blade cover main part of the process tool provided in an embodiment of the present invention for workpiece reverse side counterbore
The cross-sectional view contacted with workpiece；
Fig. 3 is the cross-sectional view of the blade expansion of the process tool provided in an embodiment of the present invention for workpiece reverse side counterbore；
Fig. 4 is the cross-sectional view of the machining state of the process tool provided in an embodiment of the present invention for workpiece reverse side counterbore；
Fig. 5 is the section view of the due-in knife-like state of the process tool provided in an embodiment of the present invention for workpiece reverse side counterbore
Figure；
Fig. 6 is the cross-sectional view of the completion processing of the process tool provided in an embodiment of the present invention for workpiece reverse side counterbore；
Fig. 7 is that the process tool provided in an embodiment of the present invention for workpiece reverse side counterbore keeps out cuing open for set and thread bush
View；
Fig. 8 is the processing for completing counterbore processing of the process tool provided in an embodiment of the present invention for workpiece reverse side counterbore
The side view of workpiece；
Fig. 9 is the processing for completing counterbore processing of the process tool provided in an embodiment of the present invention for workpiece reverse side counterbore
The cross-sectional view of workpiece.
Wherein, appended drawing reference includes: 1- mounting base, 11- interconnecting piece, 12- pushing part, 2- doctor assemblies, 21- blade cover,
211- wears socket part, 212- facade, the 4th limiting slot of 213-, 22- blade, 23- blade bearing, 24- return springs, 3- support sleeve,
The first limiting slot of 31-, 4- sliding sleeve, the second limiting slot of 41-, the first elastic component of 5-, 6- workpiece, 61- contact surface, 62- machined surface,
7- pressing sleeve, the first escape groove of 71-, the second escape groove of 72-, the first locating part of 8-, the second locating part of 9-, 10- top cover, 13- socket
Portion, the first mounting groove of 131-, the second mounting groove of 132-, 133- third escape groove, 14- retainingf key, 15- third locating part, 16- are anti-
Face counterbore, 17- keep out set, 171- third limiting slot, 18- thread bush, 19- elastic component, the second elastic component of 20-.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover
Covering non-exclusive includes to be not necessarily limited to for example, containing the process, method of a series of steps or units, device, product or equipment
Step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, product
Or other step or units that equipment is intrinsic.
The processing object of process tool provided by the invention is the workpiece with through-hole, and process tool is carried on the back for workpieces processing
What the process tool in face can not reach scrapes flat hole and counterbore, and during processing counterbore, workpiece is fixedly disposed on lathe,
The structure of workpiece is referring to Fig. 8 and Fig. 9.
In one embodiment of the invention, a kind of process tool for workpiece reverse side counterbore is provided, such as Fig. 1 institute
Show, the mounting base 1 includes main part, interconnecting piece 11 and elongated pushing part 12 for connecting external impetus mechanism.
The specific structure of the doctor assemblies 2 is as follows: the doctor assemblies 2 include blade cover 21 and scraper, the scraper
Including blade bearing 23 and the blade 22 being arranged on the blade bearing 23, the blade cover 21 have main part and for across
Through-hole on workpiece to be processed wears socket part 211, and the blade cover 21 has along its axially extending cavity and the cavity is right
Answer the side-walls for wearing socket part 211 that there is the edge of a knife, the blade bearing 23 and the socket part 211 of wearing of the blade cover 21 rotate
Connection has the scraper and packs up and unfolded state, and when scraper is in collapsed state, scraper is contained in the blade cover 21
Cavity in, when the scraper is in unfolded state, the blade 22 of the scraper from it is described go out the edge of a knife expose.
The pushing part 12 of the mounting base 1 is inserted in the cavity of the blade cover 21 and relative to 21 energy of blade cover
Enough to move close to or move away from axially along the scraper, the pushing part 12 has pushing tow state, when in pushing tow shape
When state, pushing part 12 offsets with the scraper, and the scraper is in unfolded state.
The main part of the blade cover 21 have facade 212, it is described wear socket part 211 be from the facade 212 edge
The pipe that extends to form of extending direction of the pushing part 12, the facade 212 be used to contradict to provide with workpiece to be processed
The power for preventing blade cover 21 mobile.
The doctor assemblies 2 further include the return springs for making the scraper tend to rotate towards collapsed state
24, one end of the return springs 24 and the blade bearing 23 contradict, and other end setting is in the socket part 211 of wearing far from described
The medial end of the main part of blade cover 21, the blade bearing 23 are arranged in blade cover 21 by pin shaft, return springs 24
Preferably spring compression bead, the spring compression bead include spring and the positioning bead that connect with spring, the positioning bead and blade bearing
23 contacts.When the scraper is contained in the cavity of the blade cover 21, the blade bearing 23 is close to the side of pushing part 12
Face is inclined surface, i.e., the described blade bearing 23 keeps preset angle close to the one side and horizontal plane of pushing part 12, and angle is less than
90 degree, when blade 22 exposes from the edge of a knife out, the return springs 24 are in compressive state, and blade bearing 23 is close to pushing part 12
One side and horizontal plane be arranged；After the completion of workpieces processing, under elastic stress effect, 24 energy of return springs
Enough scraper is driven to reset.
The process tool further includes the transmission connecting mechanism being set between the mounting base 1 and the doctor assemblies 2,
The mounting base 1 is connect with the doctor assemblies 2 by the transmission connecting mechanism, so that the mounting base 1 is driven to carry out
Movement, is able to drive the process tool and is moved and rotate scraper.Drive the mounting base 1 towards the side close to scraper
To movement, and when the doctor assemblies are not hindered by the external force from moving direction, it is able to drive process tool overall movement；It drives
It moves the mounting base 1 to be moved towards the direction close to scraper, and the doctor assemblies are by the outer mechanical resistance from moving direction
When hindering, it is only able to drive the scraper rotation expansion.
The mounting base 1 further includes the socket part 13 for being wholely set or being fixedly connected with its main part, the socket part 13
On be provided with the first mounting groove 131, the second mounting groove 132.The transmission connecting mechanism includes support sleeve 3, top cover 10, sliding sleeve
4, pressing sleeve 7, keep out set 17, the first locating part 8, the second locating part 9, the first elastic component 5 and the second elastic component 20.
The specific structure of the transmission connecting mechanism is as follows: the front of the support sleeve 3 is set in the blade cover 21
Outside main part, the rear part is set in outside the pushing part 12 of the mounting base 1, and the support sleeve 3 is located at the socket of the mounting base 1
The front inner in portion 13 offers the first limit on the lateral surface of the socket part 13 towards the mounting base 1 of the support sleeve 3
Slot 31.The top cover 10 is set in outside the pushing part 12 of the mounting base 1 and its front end and the rear end of the support sleeve 3 are supported
Touching.The sliding sleeve 4 can be slidably set in outside the top cover 10 along the axial direction of the top cover 10, and the sliding sleeve 4 is located at
The posterior medial of the socket part 13 of the mounting base 1, the outside of the socket part 13 towards the mounting base 1 of the sliding sleeve 4
The second limiting slot 41 is provided on face.The pressing sleeve 7 can be slidably sheathed on outside the socket part 13 of the mounting base 1, in institute
It states and offers the first adjacent with first mounting groove 131, the second mounting groove 132 respectively escape groove 71 and second on pressing sleeve 7
Escape groove 72.It is described keep out set 17 with the support sleeve 3 it is relatively fixed be arranged.First locating part 8 relatively described first
Mounting groove 131 can be movably mounted in first mounting groove 131 along the inward-outward direction of the socket part 13.Described second
Relatively described second mounting groove 132 of locating part 9 can be movably mounted to described second along the inward-outward direction of the socket part 13
In mounting groove 132；First locating part 8, the second locating part 9 are respectively steel ball.The both ends of first elastic component 5 respectively with it is described
The main part of mounting base 1, the top cover 10 connect；And/or the both ends of second elastic component 20 respectively with the mounting base 1
The top of main part, the pressing sleeve 7 connects.First elastic component 5 is for tending to the top cover 10 to far from described
It slides in the direction of the main part of mounting base 1；Second elastic component 20 is for tending to the pressing sleeve 7 to far from the installation
The direction sliding of the main part of seat 1, the first elastic component 5 and the second elastic component 20 are spring or disc spring.
The process tool has original state, machining state, due-in knife-like state, specific as follows:
When the process tool is in original state, 8 part of the first locating part is located at first mounting groove 131
It is interior, partially it is located in the first escape groove 71, and the first locating part 8 and the cell wall of the first escape groove 71 offset, second elasticity
Part 20 is in compressive state；Second locating part, 9 part is located in second mounting groove 132, is partially located at the second limit
In slot 41, and the second locating part 9 faces second escape groove 72 and separates with 7 phase of pressing sleeve；The scraper, which is in, to be received
The state of rising.
When the process tool is in machining state, 8 part of the first locating part is located at first mounting groove 131
It is interior, be partially located in first limiting slot 31 and be in the rear side of the first limiting slot 31, and the outer end face of the first locating part 8 with
The inner sidewall of the pressing sleeve 7 offsets；Second locating part, 9 part is located in second mounting groove 132, is partially located at second
In limiting slot 41, and the outer end face of the second locating part 9 and the inner sidewall of the pressing sleeve 7 offset, and second elastic component 20 is in
Natural elongation state, the front end of the pressing sleeve 7 offset with the set 17 of keeping out, and the front end of the pushing part 12 offsets with scraper,
The scraper is in unfolded state and contacts with workpiece.
When the process tool is in due-in knife-like state, 8 part of the first locating part is located at first mounting groove
In 131, be partially located in first limiting slot 31 and be in the front side of the first limiting slot 31, and the first locating part 8 with it is described
The separation of 7 phase of pressing sleeve；Second locating part, 9 part is located in second mounting groove 132, is partially located at the second escape groove 72
It is interior, and the inner face of the second locating part 9 and the lateral surface of the sliding sleeve 4 offset, second elastic component 20 is in compression shape
State, the front end of the pressing sleeve 7 offset with the set 17 of keeping out, and first elastic component 5 is in compressive state, the pushing part 12
Front end offset with scraper, the scraper is in unfolded state and separates with workpiece.
In a preferred embodiment of the invention, first escape groove 71, the second escape groove 72 are respectively provided at least one
Oblique side wall, when process tool is in original state, first locating part 8 and the oblique side wall of the first escape groove 71 are inconsistent；Add
When work cutter is in due-in knife-like state, second locating part 9 and the oblique side wall of the second escape groove 72 are inconsistent.
The workpiece 6 have contact surface 61 and machined surface 62, the blade 22 can be contacted with the machined surface 62 of workpiece 6 with
Process machined surface 62.
Using above-mentioned process tool workpieces processing reverse side counterbore, the specific method is as follows: in the initial state, such as Fig. 1 institute
Show, 8 part of the first locating part is located in first mounting groove 131, is partially located in the first escape groove 71, and the first limit
Position part 8 and the cell wall of the first escape groove 71 offset, and second elastic component 20 is in compressive state；Second locating part 9
Quartile is partially located in the second limiting slot 41, and the second locating part 9 faces described second in second mounting groove 132
It escape groove 72 and is separated with 7 phase of pressing sleeve；The scraper is in collapsed state.
The connection of the interconnecting piece of machine tool chief axis and process tool, starts power mechanism, provides forward drive using power mechanism
Power, driving process tool are integrally moved forward and (are fed to workpiece direction), so that the socket part 211 of wearing of the blade cover 21 passes through
The through-hole of workpiece, until the contact surface of the facade 212 of the main part of the scraper and workpiece 6 contradicts, blade cover is not moved, and is contradicted
Later, power mechanism drive installation seat 1 continues mobile to workpiece direction, and blade cover, which is obstructed, to be stopped moving, the pushing part of mounting base
It is mobile towards the direction close to scraper, make scraper Unscrew (when the doctor assemblies are hindered by the external force from moving direction,
Only it is able to drive the scraper rotation expansion), specifically, mounting base 1 is mobile to drive sliding sleeve 4 mobile until before sliding sleeve 4
End and the rear end of support sleeve 3 contradict, meanwhile, pressing sleeve 7 is in the case where the elastic force of the second elastic component 20 is pulled to close to workpiece direction
Mobile, until 7 front end of pressing sleeve offsets with the set 17 of keeping out, and the side wall of the first escape groove 71 pushes the first limit in movement
Position part 8 is mobile, so that 8 part of the first locating part is located in first mounting groove 131, is partially located at first limit
Slot 31 is interior and is in the rear side of the first limiting slot 31, and the outer end face of the first locating part 8 and the inner sidewall of the pressing sleeve 7 offset；
And when sliding sleeve 4 and pressing sleeve 7 move, the second locating part 9 moves, so that 9 part of the second locating part is located at institute
It states in the second mounting groove 132, is partially located in the second limiting slot 41, and the outer end face of the second locating part 9 and the pressing sleeve 7 is interior
Side wall offsets；When mobile to workpiece direction, the direction of the pushing part 12 towards close scraper is mobile, until the pushing part
12 front end offsets with scraper so that the scraper Unscrew, the blade 22 of scraper from it is described go out the edge of a knife expose, and described the
Two elastic components 20 are in nature elongation state, at this point, scraper is in the open state, as shown in figure 3, process tool not with workpiece
Process face contact.
After blade 22 is from the exposing of the edge of a knife out, the driving force of power mechanism offer backward is provided, processing is driven
Cutter is integrally moved backward and (is moved to left to far from the feeding of workpiece direction), and the location of workpiece is constant, and the mounting base 1 drives scraper group
Part 2, until the blade 22 is contacted with the machined surface 62 of workpiece 6 to process machined surface 62, is such as schemed to far from the movement of 6 direction of workpiece
Shown in 4, process tool is in machining state, drive installation seat rotation drives the process tool unitary rotation, blade is to work
Part carry out processing formed counterbore (under machining state, the doctor assemblies not by from moving direction external force hinder, power mechanism
Be able to drive process tool overall movement), under machining state, positional relationship between all parts with move before remain unchanged,
Specifically, 8 part of the first locating part is located in first mounting groove 131, is partially located in first limiting slot 31
And it is in the rear side of the first limiting slot 31, and the outer end face of the first locating part 8 and the inner sidewall of the pressing sleeve 7 offset；Described
Two locating parts, 9 part is located in second mounting groove 132, is partially located in the second limiting slot 41, and the second locating part 9 is outer
End face and the inner sidewall of the pressing sleeve 7 offset, and second elastic component 20 is in nature elongation state, the front end of the pressing sleeve 7
It offsets with the set 17 of keeping out, the front end of the pushing part 12 offsets with scraper, and the scraper is in unfolded state and and workpiece
Contact.At this point, the facade 212 of the blade cover 21 keeps spacing with the contact surface 61 of workpiece 6.
When workpiece reverse side counterbore after processing is completed, formed such as the reverse side counterbore 16 in Fig. 4 and Fig. 5, such as figure process tool needs
It is detached from workpiece, forward driving force is provided using the power mechanism, the process tool is driven to move to close to 6 direction of workpiece
It is dynamic so that the facade 212 of the blade cover 21 is contacted with the contact surface 61 of workpiece 6, continue with the power mechanism provide to
Preceding driving force moves forward mounting base, and the first elastic component described in moving process and the second elastic component 20 are compressed,
And the leading flank of the main part of the mounting base 1 pushes the second locating part 9 mobile, so that second locating part 9 and described
Second limiting slot is separated and is pressed into the second escape groove 72, is partially located in second mounting groove 132, and the second locating part
The lateral surface of 9 inner face and the sliding sleeve 4 offsets, so that the second locating part 9 is detached from locking state, resets convenient for scraper；
Meanwhile first locating part 8 also pushed and move by socket part 13, first locating part separates with the pressing sleeve and is pressed into institute
It states in the first limiting slot, and is in the front side of the first limiting slot 31, part is located in first mounting groove 131, such as Fig. 5 institute
Show, in this moving process, the front end of the pressing sleeve 7 offsets with the set 17 of keeping out always, because mounting base 1 is to close to workpiece side
It is mobile to close workpiece direction to drive the pushing part to movement, and the main part position of blade cover is constant, so that pushing part
Front end offset with scraper, the scraper is in unfolded state, and process tool is in due-in knife-like state at this time, as shown in Figure 5.
After scraper expansion, stop applying driving force to process tool, under the elastic stress effect of elastic component,
The mounting base of the process tool to far from workpiece direction, because of top cover 10 and slide to far from the movement of 6 direction of workpiece by the top cover 10
Dynamic set 4 is engaged connection, and it is mobile to separate 6 direction of workpiece that the top cover 10 can drive sliding sleeve 4, and then drives the pushing part 12
It is mobile to separate 6 direction of workpiece, so that the pushing part 12 becomes larger at a distance from blade bearing 23 without abutting blade bearing 23 in turn
The scraper resets so that scraper is contained in the cavity of the blade cover 21；In mounting base to far from workpiece direction moving process
In, pressing sleeve 7 is under the elastic force effect of the second elastic component to far from keeping out, set direction is mobile, and 9 part of the second locating part falls into second
In limiting slot 41, partially be located at the second mounting groove in, and the second locating part 9 face second escape groove 72 and with the pressure
The separation of 7 phases is covered, meanwhile, the socket part pushes first locating part 8 to be detached from the first limiting slot 31, is located at its part described
In first mounting groove 131, partially it is located in the first escape groove 71, and the first locating part 8 and the cell wall of the first escape groove 71 offset,
Part position relations after process tool resets are consistent with the positional relationship in original state, as shown in fig. 6, last provide backward
Driving force, exit the socket part of wearing of blade cover from the through-hole of workpiece.
The process tool further includes the retainingf key 14 being arranged between support sleeve 3 and the main part of mounting base 1, retainingf key
14 are arranged in the side of not locating part, and because of mounting base 1 and 3 joint transmission of support sleeve, blade is rotation when processing counterbore,
Motor clamps mounting base rotation, and rotary drive needs retainingf key 14 to couple.And it is always maintained between sliding sleeve 4 and retainingf key 14 free
Gap, gap work as a buffer, and provide gap for scraper reset.
The doctor assemblies 2 can be releasably arranged in the mounting base 1, wear the straight of socket part 211 because of blade cover 21
The counter bore hole diameters size to be processed is consistent in diameter size and workpiece 6, i.e., blade exposes the opening diameter after the edge of a knife out, so working as
When the variation of the counter bore hole diameters to be processed, new doctor assemblies are needed replacing, referring to Fig. 7, the process tool further includes thread bush
18, front is set in outside the support sleeve 3, the rear part be set in keeps out set 17 outside, it is described keep out set 17 and thread bush 18 it
Between be provided with third elastic component 19, elastic component can be spring or disc spring；The medial surface for keeping out set 17 offers third limit
Slot 171, the medial surface of the main part of the blade cover 21 offer the 4th limiting slot 213, are additionally provided on the socket part 13
Third escape groove 133, the process tool further include third locating part 15, and the relatively described third escape groove can slide back and forth
Ground setting, third limiting slot 171 and the 4th limiting slot 213 all have oblique side wall, and the outside of the third locating part, inner part
Oblique side wall not with the third limiting slot 171, the 4th limiting slot 213 offsets.15 part of third locating part is located at third
In escape groove 133, partially it is located in the 4th limiting slot 213, and the outer end of the third escape groove 133 and the third limit
One cell wall of slot 171 offsets.The opening direction of the third limiting slot 171 is processed towards third locating part 15 in process tool
In workpiece counterbore whole process, third locating part is arranged in described keep out and covers between 17 and the main part of the blade cover 21,
Positional relationship does not change, and when replacing blade cover, the position of third locating part changes, and replaces the specific implementation of blade cover
Method is as follows: to wearing on the 4th limiting slot 213 that socket part applies to the external force far from mounting base direction, on the main part of blade cover
Oblique sidewall extrusion third locating part so that third locating part abut described in keep out set third limiting slot 171 oblique side wall, make
Elastic component (disc spring) compresses, and third locating part 15 can be detached from the 4th limiting slot 213, and third locating part 15 enters third escape groove
Between 133 and third limiting slot 171, then blade cover is detached from mounting base.
The present invention also provides a kind of using above-mentioned process tool to the processing method of workpiece reverse side counterbore comprising following step
It is rapid:
S1, process tool are in original state, provide forward driving force using power mechanism, keep process tool whole to
Preceding movement, make blade cover wears socket part across the through-hole of the workpiece and connecing for the facade of the main part of blade cover and the workpiece
Contacting surface contradicts, and continues to drive forwards mounting base, and blade cover, which is obstructed, to be stopped moving, and the pushing part of mounting base is towards the side close to scraper
To movement, make scraper Unscrew, at this point, scraper is in the open state, but also not with the processing face contact of workpiece；
S2, driving force backward is provided using the power mechanism, process tool is driven integrally to move backward, until described
The blade of scraper and the processing face contact of workpiece, at this point, the process tool is in machining state, drive installation seat is rotated, i.e.,
The process tool unitary rotation is driven, blade carries out processing to workpiece and forms counterbore, completes processing；
S3, after processing is completed provides forward driving force using the power mechanism, drives the process tool to Forward
It is dynamic, until the contact surface of the facade of the main part of the blade cover and the workpiece contradicts, continues with the power mechanism and mention
Move forward mounting base for forward driving force, first locating part separates with the pressing sleeve and is pressed into first limit
In the slot of position, second locating part is separated with second limiting slot and is pressed into second escape groove, at this point, described
Process tool is in due-in knife-like state；
S4, stop applying process tool driving force, the process tool returns back to just under the stress of elastic component
Beginning state, the scraper are contained in the cavity of blade cover, then provide driving force backward, and make blade cover wears socket part from work
It is exited in the through-hole of part.
Process tool provided by the present invention for workpiece reverse side counterbore adds, it can be achieved that can not reach to common process cutter
Work scrape flat hole and counterbore is processed, and mounting base is connect with doctor assemblies by the transmission connecting mechanism, so that driving
When dynamic mounting base is moved, it is able to drive the process tool and is moved and rotate scraper, thus realize automatic processing,
And it is simple and convenient；The hole of different pore size can be added provided by the present invention for the process tool of workpiece reverse side counterbore
Work has versatility；It is provided by the invention using process tool to the processing method of workpiece reverse side counterbore, easy to operate, processing
Required time is short, improves production efficiency.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (11)
1. a kind of process tool for workpiece reverse side counterbore, the process tool includes mounting base (1), doctor assemblies (2), institute
Stating doctor assemblies (2) includes scraper, and the scraper includes the blade of blade bearing (23) and setting on the blade bearing (23)
(22), it is characterised in that:
The mounting base (1) includes main part, interconnecting piece (11) and elongated pushing part for connecting external impetus mechanism
(12)；
The doctor assemblies (2) further include blade cover (21), and the blade cover (21) has main part and for across to be processed
Through-hole on workpiece is worn socket part (211), and the blade cover (21) has along its axially extending cavity and the cavity is in correspondence
The side-walls for wearing socket part (211) have the edge of a knife, and the blade bearing (23) wears socket part (211) with the blade cover (21)
Rotate connection, has the scraper and packs up and unfolded state, when scraper is in collapsed state, the scraper is housed in institute
In the cavity for stating blade cover (21)；When the scraper is in unfolded state, the blade (22) of the scraper reveals from the edge of a knife out
Out；
The pushing part (12) of the mounting base (1) is inserted in the cavity of the blade cover (21) and relative to the blade cover
(21) scraper can be moved close to or move away from axially along, the pushing part (12) has pushing tow state, works as place
When pushing tow state, the pushing part (12) offsets with the scraper, and the scraper is in unfolded state；
The process tool further includes the transmission connecting mechanism being set between the mounting base (1) and the doctor assemblies (2),
The mounting base (1) is connect with the doctor assemblies (2) by the transmission connecting mechanism, so that driving the mounting base
(1) it is moved, is able to drive the process tool and is moved and rotate scraper.
2. being used for the process tool of workpiece reverse side counterbore according to claim 1, which is characterized in that
The direction for driving the mounting base (1) towards close scraper is mobile, and the doctor assemblies are not by from moving direction
When external force hinders, it is able to drive process tool overall movement；
The mounting base (1) is driven to be moved towards the direction close to scraper, and the doctor assemblies are by from moving direction
External force when hindering, be only able to drive scraper rotation expansion.
3. being used for the process tool of workpiece reverse side counterbore according to claim 1, which is characterized in that the blade cover (21)
Main part have facade (212), it is described wear socket part (211) be at the facade (212) along the pushing part (12)
The pipe that extends to form of extending direction, the facade (212) is used to contradict with workpiece to be processed to provide prevention blade cover
(21) mobile power.
4. being used for the process tool of workpiece reverse side counterbore according to claim 3, which is characterized in that the mounting base (1) is also
Including the socket part (13) for being wholely set or being fixedly connected with its main part, the first mounting groove is provided on the socket part (13)
(131), the second mounting groove (132)；
The transmission connecting mechanism includes:
Support sleeve (3), front are set in outside the main part of the blade cover (21), and the rear part is set in the mounting base (1)
Pushing part (12) outside, the support sleeve (3) is located at the front inner of the socket part (13) of the mounting base (1), the support
It covers and offers the first limiting slot (31) on the lateral surface of the socket part (13) towards the mounting base (1) of (3)；
Top cover (10) is set in the pushing part (12) of the mounting base (1) outside and behind its front end and the support sleeve (3)
End contradicts；
Sliding sleeve (4), the axial direction along the top cover (10) can slidably be set in the top cover (10) outside, the sliding sleeve
(4) positioned at the mounting base (1) socket part (13) posterior medial, the sliding sleeve (4) towards the mounting base (1)
The second limiting slot (41) are provided on the lateral surface of socket part (13)；
Pressing sleeve (7), the socket part (13) that can be slidably sheathed on the mounting base (1) outside, open up on the pressing sleeve (7)
There are adjacent with first mounting groove (131), the second mounting groove (132) respectively the first escape groove (71) and the second escape groove
(72)；
Keep out set (17), with the support sleeve (3) it is relatively fixed be arranged；
First locating part (8), relatively described first mounting groove (131) can be along the inward-outward direction activity of the socket part (13)
Ground is mounted in first mounting groove (131)；
Second locating part (9), relatively described second mounting groove (132) can be along the inward-outward direction activity of the socket part (13)
Ground is mounted in second mounting groove (132)；
First elastic component (5), the direction for being used to that the top cover (10) to be made to tend to the main part far from the mounting base (1)
Sliding；
Second elastic component (20), the direction for being used to that the pressing sleeve (7) to be made to tend to the main part far from the mounting base (1)
Sliding；
The process tool has original state, machining state and due-in knife-like state,
When the process tool is in original state, first locating part (8) is partially located at first mounting groove (131)
It is interior, partially it is located in the first escape groove (71), and the first locating part (8) and the cell wall of the first escape groove (71) offset, described the
Two elastic components (20) are in compressive state；Second locating part (9) is partially located in second mounting groove (132), part
In the second limiting slot (41), and the second locating part (9) face second escape groove (72) and with the pressing sleeve (7) phase
Separation；The scraper is in collapsed state；
When the process tool is in machining state, first locating part (8) is partially located at first mounting groove (131)
It is interior, partially it is located in first limiting slot (31) and is in the rear side of the first limiting slot (31), and the first locating part (8) and institute
The inner sidewall for stating pressing sleeve (7) offsets；Second locating part (9) is partially located in second mounting groove (132), is partially located at
In second limiting slot (41), and the second locating part (9) and the inner sidewall of the pressing sleeve (7) offset, second elastic component (20)
In nature elongation state, the front end of the pressing sleeve (7) offsets with the set (17) of keeping out, the front end of the pushing part (12) with
Scraper offsets, and the scraper is in unfolded state and contacts with workpiece；
When the process tool is in due-in knife-like state, first locating part (8) is partially located at first mounting groove
(131) in, partially it is located in first limiting slot (31) and is in the front side of the first limiting slot (31), and first limit
Part (8) is mutually separated with the pressing sleeve (7)；Second locating part (9) is partially located in second mounting groove (132), part
In the second escape groove (72), and the second locating part (9) and the lateral surface of the sliding sleeve (4) offset, second elasticity
Part (20) is in compressive state, and the front end of the pressing sleeve (7) offsets with the set (17) of keeping out, at first elastic component (5)
It offsets in the front end of compressive state, the pushing part (12) with scraper, the scraper is in unfolded state and separates with workpiece.
5. being used for the process tool of workpiece reverse side counterbore according to claim 4, which is characterized in that first elastic component
(5) both ends are connect with the main part of the mounting base (1), the top cover (10) respectively；And/or second elastic component
(20) both ends are connect with the top of the main part of the mounting base (1), the pressing sleeve (7) respectively.
6. being used for the process tools of workpiece reverse side counterbore according to claim 1 or described in 4, which is characterized in that the doctor assemblies
It further include the return springs (24) for making the scraper tend to rotate towards collapsed state, the return springs (24)
One end and the blade bearing (23) contradict, the other end setting it is described wear socket part (211) far from the blade cover (21) master
The medial end in body portion, when the scraper is in unfolded state, the return springs (24) are in compressive state.
7. being used for the process tool of workpiece reverse side counterbore according to claim 4, which is characterized in that first locating part
(8), the second locating part (9) is respectively steel ball；First escape groove (71), the second escape groove (72) are respectively provided at least one
Oblique side wall, when process tool is in original state, first locating part (8) and the oblique side wall of the first escape groove (71) offset
Touching；When process tool is in due-in knife-like state, second locating part (9) and the oblique side wall of the second escape groove (72) are inconsistent.
8. being used for the process tool of workpiece reverse side counterbore according to claim 1, which is characterized in that the doctor assemblies (2)
Can releasably it be arranged on the mounting base (1).
9. being used for the process tool of workpiece reverse side counterbore according to claim 4, which is characterized in that the set (17) of keeping out
Medial surface offers third limiting slot (171), and the medial surface of the main part of the blade cover (21) offers the 4th limiting slot
(213), it is additionally provided with third escape groove (133) on the socket part (13), the third limiting slot (171), the 4th limiting slot
(213) oblique side wall, the process tool are respectively provided with further include:
Thread bush (18), front are set in the support sleeve (3) outside, and the rear part, which is set in, keeps out set (17) outside；
Third elastic component (19), setting are kept out between set (17) and thread bush (18) described；
Third locating part (15), the relatively described third escape groove (133) can be arranged slidingly back and forth, and the third limits
External, the internal oblique side wall respectively with the third limiting slot (171), the 4th limiting slot (213) of part offsets.
10. being used for the process tool of workpiece reverse side counterbore according to claim 9, which is characterized in that the process tool is also
Including retainingf key (14), the retainingf key (14) is arranged between the support sleeve (3) and the main part of the mounting base (1).
11. a kind of process tool using as described in any one of claim 3-10 is to the processing side of workpiece reverse side counterbore
Method, the workpiece have machined surface and contact surface, which comprises the following steps:
S1, process tool are in original state, provide forward driving force using power mechanism, keep process tool whole to Forward
Dynamic, make blade cover wears socket part across the through-hole of the workpiece and the contact surface of the facade of the main part of blade cover and the workpiece
It contradicts, continues to drive forwards mounting base, blade cover, which is obstructed, to be stopped moving, and the pushing part of mounting base is moved towards the direction close to scraper
It is dynamic, make scraper Unscrew, at this point, scraper is in the open state；
S2, driving force backward is provided using the power mechanism, drives process tool integrally to move backward, until the scraper
Blade and workpiece processing face contact, at this point, the process tool is in machining state, drive installation seat rotation drives
The process tool unitary rotation, blade carry out processing to workpiece and form counterbore, complete processing；
S3, after processing is completed provides forward driving force using the power mechanism, the process tool is driven to move forward,
Until the blade cover main part facade and the workpiece contact surface contradict, continue with the power mechanism provide to
Preceding driving force moves forward mounting base, and first locating part separates with the pressing sleeve and is pressed into first limiting slot
In, second locating part is separated with second limiting slot and is pressed into second escape groove, at this point, the processing
Cutter is in due-in knife-like state；
S4, stop applying driving force to process tool, the process tool returns back to initial shape under the stress of elastic component
Then state provides driving force backward, exit the socket part of wearing of blade cover from the through-hole of workpiece.
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|---|---|---|---|
| CN201910645262.6A CN110480099B (en) | 2019-07-17 | 2019-07-17 | Machining tool and machining method for counter bore on back surface of workpiece |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910645262.6A CN110480099B (en) | 2019-07-17 | 2019-07-17 | Machining tool and machining method for counter bore on back surface of workpiece |
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| CN110480099B CN110480099B (en) | 2024-02-02 |
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