CN107598286B - External screw thread axial direction groover and its grooving method - Google Patents
External screw thread axial direction groover and its grooving method Download PDFInfo
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- CN107598286B CN107598286B CN201710869817.6A CN201710869817A CN107598286B CN 107598286 B CN107598286 B CN 107598286B CN 201710869817 A CN201710869817 A CN 201710869817A CN 107598286 B CN107598286 B CN 107598286B
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000009434 installation Methods 0.000 claims abstract description 87
- 230000007246 mechanism Effects 0.000 claims abstract description 30
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- 238000004891 communication Methods 0.000 claims abstract description 3
- 238000003825 pressing Methods 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 238000005381 potential energy Methods 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
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- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
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Abstract
The invention discloses a kind of external screw thread axial direction groover and its grooving methods, including fixture, the installation part with inner hole and driving mechanism, installation part can be connected in mounting groove and the side-walls of inner hole are provided with internal screw thread, wherein it is also provided with the first cutter groove of several radial communication inner holes on the outer wall of installation part, the first cutter groove opens up that position is corresponding with the setting of blade and blade can slide axially in the first cutter groove；Driving mechanism can apply a driving force effect makes it along the axially displaced of mounting groove in installation part, force blade that opposite sliding occurs along the axial of the first cutter groove, by the way that the fastener to grooving is limited in installation part, applying driving force to installation part moves it in the mounting groove of blade plate, the blade being set in mounting groove to carry out sliding in the first cutter groove of installation part to realize to the externally threaded grooving operations of fastener, and the grooving of preset quantity, position and depth can be disposably cut out, processing efficiency is improved.
Description
Technical field
The present invention relates to a kind of screw thread grooving processing unit (plant), in particular to a kind of external screw thread axial direction groover and its grooving
Method.
Background technique
Threaded connection, which is that one kind is widely used, to be removably fixedly connected, and the cooperation of internal and external threads is utilized to realize two components
Between connection.And some attachment screws or nut in such as automotive field of some fields require higher connection
Fixing, existing way are that generally grooving one kind for example shown in FIG. 1 can have externally threaded fastener 10 on screw thread,
Several groovings 12 are offered on external screw thread 11, can be reduced the loosening after being threadedly coupled in this way and be improved the work after component connection
Stability.
In another example disclosing a kind of " cleaning plant and outer spiral shell of internal screw thread in the patent that publication No. is CN105855199A
The cleaning plant of line " draws bits slot wherein having opened up on externally threaded cleaning plant surface.Similar above-mentioned drawing is considered slot to be worth doing or is cut
Slot generallys use the processing method of milling in the actual processing process, this is drawn bits slot using milling machine and is processed.But such side
Formula can only mill out a grooving every time, and a grooving milled after need to reinstall limit parts to be machined, cause adding
It is lower in work efficiency rate.
Summary of the invention
It is an object of the present invention to provide a kind of external screw thread axial direction groovers, primary property can cut out institute on external screw thread
The grooving of quantity is needed, processing efficiency is improved.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of external screw thread axial direction groover, comprising:
Fixture, the fixture include a blade plate, and the blade plate offers mounting groove, from the side wall of mounting groove to center
Position, which is extended, several blades；
Installation part with inner hole, the installation part can be connected in mounting groove and the side-walls of inner hole are provided with interior spiral shell
Line, wherein being also provided with the first cutter groove of several radial communication inner holes on the outer wall of the installation part, first cutter groove is opened
If position is corresponding with the setting of blade and blade can slide axially in the first cutter groove；
Driving mechanism, can apply a driving force effect makes it along the axially displaced of mounting groove in installation part, forces knife
Along the axial of the first cutter groove opposite sliding occurs for piece.
By using above-mentioned technical proposal, the internal screw thread using installation part inner hole cooperates with the fastener external screw thread to grooving
So that fastener is limited in the axial direction, after installation part is connected in mounting groove, it is set to several blade meetings in mounting groove
It is inserted into the first cutter groove that mounting groove is opened up, is finally exerted a force installation part so that installation part is slowly to knife using driving mechanism
The movement of piece side is realized to externally threaded grooving operations, and is set according to grooving position, grooving quantity and cutting groove depth correspondence
The length of blade position in mounting groove, knife number and blade is set, it can be achieved that different desired grooving operations；It secondly can one
Secondary performance completes the operation to a plurality of grooving, improves processing efficiency.
Preferably, the blade plate is also provided with limiting slot, and the limiting slot includes being connected to and being used for mounting groove
The cutter head slot for accommodating the second cutter groove of blade and being connected to the second cutter groove, the end of the blade, which is additionally provided with, can be placed in knife
Cutter head in head slot, wherein the maximum gauge of cutter head is greater than the thickness of blade.
By using above-mentioned technical proposal, blade can be contained in the second cutter groove of blade plate, and utilize blade end institute
The cutter head of setting, which is contained in cutter head slot, limits blade in the horizontal direction, as long as and lower end on blade axial direction
Be connected to arbitrary plane upper limit be axially downwardly displaced can grooving work, such be arranged facilitate the dismounting of blade, be suitable for
Different grooving requirements.
Preferably, the fixture further includes pressing plate and the fixation for being individually fixed in blade plate upper surface and lower end surface
Plate, the blade and cutter head are pressed between pressing plate and fixed plate；The pressing plate and fixed plate correspond to the position of mounting groove
Set the first relief hole and the second relief hole for offering and being connected to mounting groove.
By using above-mentioned technical proposal, the setting of pressing plate and fixed plate first limits blade with cutter head in the axial direction；
Secondly the first relief hole effect location hole opened up on pressing plate facilitates installation part to pass through to snap onto mounting groove, institute in fixed plate
The second relief hole opened up improves axially directed property of the installation part in displacement process, improves the essence of grooving as guiding role
Degree.
Preferably, first relief hole, the second relief hole are identical as the shape of mounting groove and size.
By using above-mentioned technical proposal, the depth of the first relief hole and the second relief hole intensification mounting groove improves installation
Guiding performance of the part when being subjected to displacement, and then improve the precision of grooving.
It preferably, further include an ejecting mechanism, the ejecting mechanism includes that partial slip is connected to the second relief hole
In support base and set on support base bottom and the elasticity that forces support base upper surface to abut always with the lower end surface of installation part
Part.
It will push support base synchronous shift by using above-mentioned technical proposal, when installation part is subjected to displacement in blade plate,
So that the elastic component compression storage elastic potential energy for being connected to support base lower end surface removes driving mechanism after completing grooving operations
Driving force support base can reset under the action of the elastic member installation part is pushed slowly to eject from the mounting groove of blade plate, it is convenient
Installation part is taken out, processing efficiency is improved.
Preferably, the fixture further includes backing plate and bottom plate, and the backing plate is fixed on the lower section of fixed plate, bottom plate
It is fixed on the lower section of backing plate, the backing plate and bottom plate are offered for support base guide groove in axial sliding；The ejecting mechanism is also
Including upper limit plate and lower limiting board, the elastic component is set between upper and lower limits plate, the end abutment of the support base in
Upper limit plate, wherein upper and lower limits plate is set to the lower section of bottom plate, the upper limit plate and lower limiting board by several connectors
Axial displacement can occur along connector.
By using above-mentioned technical proposal, the guide groove mating part opened up on backing plate slides on the resigning of fixed plate second
The support base in hole preferably improves the guiding performance of entire support base；The upper and lower limits plate being connect secondly by connector with bottom plate
Elastic component is limited, acting on upper limit plate using support base makes its opposite joints that axial displacement compression elastic piece occur or lead to
It crosses elastic component release elastic potential energy and acts on the promotion support base reset operation of upper limit plate.
Preferably, the connector is screw rod, and the threaded one end of the screw rod is connected on bottom plate, other end screw thread
It is connected with adjusting nut.
By using above-mentioned technical proposal, connection fixing is improved using the thread connecting mode of screw rod and bottom plate, and
Using the decrement of the adjustable elastic component of adjusting nut, increase or reduce elastic force suffered by support base, it is ensured that tight
Grooving is processed on firmware external screw thread, is avoided due to the too small effect for influencing grooving of installation part bottom support force.
Preferably, be additionally provided with supporting block in the inner hole, the side wall of the upper surface of the supporting block and inner hole it
Between form a hole shoulder.
By using above-mentioned technical proposal, after fastener threads are connected to installation part, bottom can be connected to the support of inner hole
Position-limiting action can be played on block first；It can guarantee when being secondly driven the driving force that mechanism applied with installation part in fastener
Installation part and fastener synchronizing moving avoid fastener and installation part that axially opposite movement occurs.
Preferably, the driving mechanism includes formed punch and hydraulic cylinder, the piston rod company of the formed punch and hydraulic cylinder
It connects.
By using above-mentioned technical proposal, it is applied on formed punch using the hydraulic coupling of hydraulic cylinder by piston rod, formed punch exists
Effect pushes installation part in axial movement realization grooving operations occur in mounting groove on mountings, using hydraulic coupling with respect to other
Driving force has power big, drives stable effect, it is ensured that stablizing for grooving operations carries out.
Two purposes of the invention are to provide a kind of method of external screw thread axial direction grooving, primary property can cut out on external screw thread
Required amount of grooving improves processing efficiency.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of grooving method using the external screw thread axial direction groover, comprising the following steps:
1) mode will be connected through a screw thread first to the fastener of external screw thread grooving to be tightened in the inner hole of installation part, and
The lower end surface of fastener will abut in the supporting block in inner hole；
2) the first cutter groove alignment for opening up its outer wall the installation part for fixing fastener is located at the installation of blade plate
Blade in slot, and installation part is snapped fit into the branch that the lower end surface in mounting groove until installation part is connected to below blade plate
It supports on seat end face；
3) starting driving mechanism makes it apply a driving force promotion installation part with the fastener edge to grooving to installation part
Mounting groove moves axially downwards, and blade is slided with respect to generation to fastener in the first cutter groove in the folding process of installation part
External screw thread carries out grooving operations, the identical grooving of corresponding knife number is disposably cut out on external screw thread, while installation part is under
Support base is pushed to move down during moving, compression is set to the elastic component of support base bottom, and elastic component stores elastic potential energy；
4) it completes grooving rear drive mechanism and removes the driving force to installation part, the elastic component of support base bottom discharges elastic potential
Support base can be pushed to move up, while the installation part for being connected to support base upper end surface being pushed to make its slowly quilt from mounting groove
Ejection resets, and takes out installation part from mounting groove after the completion of reset；
5) fastener is rotated backward from the inner hole of installation part by hand-operated tools to take out, continue next fastener
Grooving processing.
By using above-mentioned technical proposal, the fastener of grooving to be processed is connected using installation part as carrier by screw thread
It connects mode the male thread portion of fastener is placed in the first cutter groove of installation part, installation part is applied using driving mechanism
Driving force push installation part moved in mounting groove, several blades in mounting groove can occur relatively in the first cutter groove
Slide and grooving operations carried out to the external screw thread that is placed in the first cutter groove, can disposably process default cutter groove quantity, width with
And the grooving of depth, and ejected installation part out of mounting groove using the reset of support base after completing grooving, it improves and adds
Work efficiency rate.
In conclusion the invention has the following advantages:
1, by the way that the fastener to grooving to be limited in installation part, applying driving force to installation part makes it in blade plate
It is moved in mounting groove, enables the blade being set in mounting groove to carry out sliding in the first cutter groove of installation part and realize to tight
The externally threaded grooving operations of firmware, and the grooving of preset quantity, position and depth can be disposably cut out, improve processing effect
Rate；
2, by the way that support base is arranged and is connected to the elastic component of support base bottom, completing grooving in fastener can make automatically
Installation part is ejected out of mounting groove, convenient artificially to take out higher raising processing efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the fastener that external screw thread has grooving；
Fig. 2 is structural schematic diagram of the one China and foreign countries' screw thread axial direction groover of embodiment when preparing grooving；
Fig. 3 is the cross-sectional view of blade plate in embodiment one；
Fig. 4 is the top view of blade and cutter head in embodiment one；
The structural schematic diagram of installation part in Fig. 5 embodiment one；
Fig. 6 is the cross-sectional view of Fig. 5；
Fig. 7 is structural schematic diagram of the one China and foreign countries' screw thread axial direction groover of embodiment when completing grooving.
In figure: 10, fastener；11, external screw thread；12, grooving；20, fixture；21, pressing plate；211, the first relief hole；22, knife
Sheet；221, mounting groove；222, the second cutter groove；223, cutter head slot；23, fixed plate；231, the second relief hole；24, backing plate；241,
Guide groove；25, bottom plate；26, blade；261, cutter head；262, guiding incline；30, installation part；301, inner hole；302, the first cutter groove；
303, supporting block；40, driving mechanism；41, formed punch；42, punch fixing plate；43, fixed form；44, piston rod；50, ejector
Structure；51, support base；511, pedestal；512, seat bottom；52, elastic component；53, upper limit plate；531, upper limit position groove；54, lower limit
Plate；541, lower limit slot；55, screw rod；56, adjusting nut；60, bolt.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment one
Referring to fig. 2, a kind of external screw thread axial direction groover, including for installing fastener 10 to be processed fixture 20 and
The driving mechanism 40 for applying a driving force above fixture 20.The fixture 20 includes successively being laminated from the bottom to top
Bottom plate 25, backing plate 24, fixed plate 23, blade plate 22 and pressing plate 21, above-mentioned five big plate is fastened to each other by bolt 60, wherein padding
Plate 24, fixed plate 23, the size of blade plate 22 and pressing plate 21 are consistent and rounded, and the surface area of bottom plate 25 is greater than
Remaining four big plate is fixed on horizontal workbench by bottom plate 25 at work and entire fixture 20 is fixed.
In conjunction with Fig. 2 and Fig. 3, the mounting groove 221 in regular hexagon is offered positioned at the middle part of blade plate 22, in mounting groove
The second cutter groove 222 and the cutter head slot being connected to far from 221 side of mounting groove with the second cutter groove 222 there are six opening up are connected in 221
223, the second cutter groove 222 is uniformly distributed with cutter head slot 223 around mounting groove 221, and the second cutter groove 222 is used as knife with cutter head slot 223
The limiting slot of piece 26, limit blade 26 move horizontally.
In conjunction with Fig. 3 and Fig. 4, the end of the blade 26 that receiving shape matches in the second cutter groove 222, blade 26 is integrally formed
There is cutter head 261, the shape of cutter head 261 is identical as the shape of cutter head slot 223, so that cutter head 261 can be contained in cutter head slot 223
It is interior, while after blade 26 is contained in the second cutter groove 222, the inside mounting groove 221 in the inside of portion blade 26 from mounting groove 221
Middle part extends protrusion.Blade 26 is uniform thickness, and the thickness of blade 26 is less than the maximum gauge of cutter head 261 and makes cutter head
261 be contained in cutter head slot 223 after blade 26 horizontal play can not occur, in addition by symmetrical between blade 26 and cutter head 261
Two guiding inclines 262 connection, two guiding inclines 262 are abutted with the inside of cutter head slot 223 increases contact area, raising blade 26 peace
Stability after dress.
Fig. 2 is returned to, the height of blade 26 is equal to the depth of mounting groove 221, the i.e. upper and lower end face of blade 26 and blade plate 22
Upper and lower plate face be in same level.Pressing plate 21 offers identical as mounting groove 221 big respectively with the middle part of fixed plate 23
Small and shape the first relief hole 211 and the second relief hole 231, the first relief hole 211, the second relief hole 231 respectively with peace
Tankage 221 is connected to, and blade 26 and cutter head 261 are compressed by the pressing plate 21 and fixed plate 23 for being located at 22 upper and lower of blade plate
Axial play is limited, is limited in blade plate 22 together so that blade 26 is connected to cutter head 261.
Ejecting mechanism 50 includes a support base 51 for positioned at the elastic component 52 of 51 lower section of support base.Support base 51 includes one
Body formed pedestal 511 and seat bottom 512, the maximum width of pedestal 511 are less than the minimum widith of pedestal, so that the two is in rank
Scalariform.Wherein the cross sectional shape of pedestal 511 is identical as the second relief hole 231, and the partial slip of pedestal 511 is connected to second and allows
In the hole 231 of position, backing plate 24 and the connection of bottom plate 25 offer guide groove 241, and the sliding of seat bottom 512 is connected in guide groove 241, leads
The sliding axially in 241 side of guide groove of limit base bottom 512 is used for a hole shoulder is formed between slot 241 and the second relief hole 231.
Ejecting mechanism 50 further includes the upper limit plate 53 and lower limiting board 54 positioned at 25 lower section of bottom plate, the seat bottom 512
It is connected on the end face of upper limit plate 53, is connected between upper limit plate 53 and lower limiting board 54 by several screw rods 55, screw rod 55
Connector as upper limit plate 53 and lower limiting board 54 uses, and elastic component 52 is limited in upper limit plate 53 and lower limiting board 54
Between, the elastic component 52 in the present embodiment is the spring of rectangular section, has biggish rigidity.Upper limit plate 53 and lower limiting board
54 offer the through-hole worn for screw rod 55, and one end of screw rod 55 is connected through a screw thread the lower end surface that mode is fixed on bottom plate 25
On, the other end is threaded with adjusting nut 56.One end face of adjusting nut 56 is connected on the end face of lower limiting board 54, so that
Elastic component 52 is limited.And the pressure of elastic component 52 can also be adjusted in the position on screw rod 55 by rotating adjusting nut 56
Contracting amount, and then adjust the rigidity of elastic component 52.
In addition, also offered respectively on an end face of upper limit plate 53 and 54 face of lower limiting board upper limit position groove 531 and
Lower limit slot 541, the both ends of elastic component 52 are respectively contained in upper limit position groove 531 and lower limit slot 541, improve elastic component 52
Fixed property reduce horizontal direction play.
For the fixed property for improving lower limiting board 54, can be connected using two or more adjusting nut 56
On same root screw rod 55.Secondly entire ejecting mechanism 50 is due to protruding from bottom plate 25, can on the table aperture for ejection
The accommodating of mechanism 50 is installed to realize.
The driving mechanism 40 includes hydraulic cylinder (not shown) and the formed punch 41 connecting with hydraulic cylinder, formed punch 41
It is fixed on punch fixing plate 42, the top of punch fixing plate 42 is on fixed form 43, the piston rod 44 and stent of hydraulic cylinder
Plate 43 connect, fixed form 43 can be set to one sliding bracket on, with piston rod 44 flexible drive punch fixing plate 42
In the movement in axial direction and then the displacement of driving formed punch 41.
In conjunction with Fig. 2, Fig. 5 and Fig. 6, this groover further includes an installation part 30, and the installation part 30 is as to be processed tight
The carrier of firmware 10.Its cross sectional shape and size are consistent with the shape size of mounting groove 221, and middle part has an inner hole 301, interior
The side wall in hole 301 offers internal screw thread, and the screw pitch of internal screw thread is identical as 11 screw pitch of external screw thread of fastener 10 to be processed and section
Shape is also consistent, a kind of external screw thread 11 for fastener 10 that such as Fig. 1 is used so that the two can match each other.
A supporting block 303 is additionally provided in the inner hole 301 of installation part 30, the supporting block 303 is by an end seal of installation part 30
It closes, which plays the role of axial limiting, and the depth of inner hole 301 is equal to the length of grooving 12.In the outer wall of installation part 30
On be also provided with several first cutter grooves 302, the first cutter groove 302 is connected to inner hole 301, and quantity and open up position and limit exist
26 quantity of blade and position in mounting groove 221 is corresponding.
Entire installation part 30, which can be clamped, to be entered in mounting groove 221, and blade 26 is embedded in the first cutter groove 302.Installation
The bottom of part 30 is connected to the upper end surface of pedestal 511, and the upper surface of pedestal 511 is connected on the lower end surface of several blades 26,
And then it is limited in the axial direction.
The shape that mounting groove 221 is defined in the present embodiment is position and the quantity of regular hexagon and blade 26, but root
Factually border process requirements, the setting being not limited in the present embodiment.
Embodiment two
A kind of method of external screw thread axial direction grooving is achieved using the external screw thread axial direction groover in embodiment one,
Specifically includes the following steps:
1) fastener 10 processed to external screw thread grooving mode is connected through a screw thread first to be tightened in installation part 30
In hole 301, and the lower end surface of fastener 10 will abut in the supporting block 303 in inner hole 301.
2) by the blade 26 in the first cutter groove 302 alignment mounting groove 221 on installation part 30, then installation part 30 passed through the
One relief hole 211 is caught in mounting groove 221, until the lower end surface of installation part 30 is connected to the support positioned at 22 lower section of blade plate
On 51 end faces of seat.
3) starting the hydraulic cylinder in driving mechanism 40, the elongation of piston rod 44 drives formed punch 41 to move toward 20 side of fixture, after
It is continuous to make it that formed punch 41 be driven to apply a driving force promotion installation part 30 with the fastener processed to grooving to installation part 30 downwards
10 moving axially downwards along mounting groove 221, blade 26 is opposite in the first cutter groove 302 in the folding process of installation part 30 occurs
It slides and grooving operations is carried out to the external screw thread 11 of fastener 10, it is identical that corresponding 26 quantity of blade is disposably cut out on external screw thread 11
Grooving 12, while installation part 30 pushes support base 51 to move down in folding process, and support base 51 acts on upper limit plate 53
So that upper limit plate 53 acts on elastic component 52 and then compression elastic piece 52, allows elastic component 52 to store elastic potential energy and join
According to the state for going to Fig. 7 from Fig. 2 state.
4) completion grooving rear drive mechanism 40 removes the retraction of driving force piston rod 44 to installation part 30,51 bottom of support base
Elastic component 52 discharge elastic potential energy support base 51 pushed to move up, while pushing and being connected to the peace of 51 upper end surface of support base
Piece installing 30 makes that it is slowly ejected from mounting groove 221 and part stretches out in the first relief hole 211, by installation part 30 from fixture 20
Middle taking-up.
5) fastener 10 is rotated backward from the inner hole 301 of installation part 30 by hand-operated tools to take out, continue next
The grooving of fastener 10 is processed.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (7)
1. a kind of external screw thread axial direction groover characterized by comprising
Fixture (20), the fixture (20) include the bottom plate (25) being successively laminated from the bottom to top, backing plate (24), fixed plate
(23), blade plate (22) and pressing plate (21), above-mentioned five big plate is fastened to each other, and the blade plate (22) offers mounting groove
(221), being extended from the side wall of mounting groove (221) to center has several blades (26), and the blade plate (22) is also opened
Equipped with limiting slot, the limiting slot include be connected to mounting groove (221) and the second cutter groove (222) for accommodating blade (26) with
And the cutter head slot (223) being connected to the second cutter groove (222), the end of the blade (26), which is additionally provided with, can be placed in cutter head slot
(223) cutter head (261) in, wherein the maximum gauge of cutter head (261) is greater than the thickness of blade (26), the blade (26) with
And cutter head (261) is pressed between pressing plate (21) and fixed plate (23)；The pressing plate (21) and the corresponding peace of fixed plate (23)
The position of tankage (221) offers the first relief hole (211) and the second relief hole (231) being connected to mounting groove (221)；
Installation part (30) with inner hole (301), the installation part (30) can be connected in mounting groove (221) and inner hole (301)
Side-walls be provided with internal screw thread, wherein being also provided with several radial communication inner holes (301) on the outer wall of the installation part (30)
The first cutter groove (302), first cutter groove (302) opens up that position is corresponding with the setting of blade (26) and blade (26) can
It slides axially in the first cutter groove (302)；
Driving mechanism (40), the driving mechanism (40) include formed punch (41) and hydraulic cylinder, the formed punch (41) and hydraulic cylinder
Piston rod (44) connection, wherein driving mechanism (40) can apply a driving force effect makes it along mounting groove in installation part (30)
(221) axially displaced forces blade (26) that opposite sliding occurs along the axial of the first cutter groove (302).
2. external screw thread axial direction groover according to claim 1, which is characterized in that first relief hole (211),
Two relief holes (231) are identical as the shape of mounting groove (221) and size.
3. external screw thread axial direction groover according to claim 1, which is characterized in that it further include an ejecting mechanism (50),
The ejecting mechanism (50) include the support base (51) that partial slip is connected in the second relief hole (231) and be set to support base
(51) bottom and the elastic component (52) for forcing support base (51) upper surface to abut always with the lower end surface of installation part (30).
4. external screw thread axial direction groover according to claim 3, which is characterized in that the backing plate (24) and bottom plate (25)
It offers for support base (51) guide groove (241) in axial sliding；The ejecting mechanism (50) further include upper limit plate (53) with
And lower limiting board (54), the elastic component (52) are set between upper and lower limits plate (53,54), the end of the support base (51)
Upper limit plate (53) are connected to, wherein upper and lower limits plate (53,54) is set to the lower section of bottom plate (25), institute by several connectors
Stating upper limit plate (53) and lower limiting board (54) can occur axial displacement along connector.
5. external screw thread axial direction groover according to claim 4, which is characterized in that the connector is screw rod (55),
The threaded one end of the screw rod (55) is connected on bottom plate (25), and the other end is threaded with adjusting nut (56).
6. external screw thread axial direction groover according to claim 1, which is characterized in that also set up in the inner hole (301)
Have supporting block (303), forms a hole shoulder between the upper surface of the supporting block (303) and the side wall of inner hole (301).
7. a kind of grooving method using external screw thread axial direction groover as claimed in any one of claims 1 to 6, feature exist
In, comprising the following steps:
1), the inner hole that mode is tightened in installation part (30) will be connected through a screw thread first to the fastener of external screw thread grooving (10)
(301) in, and the lower end surface of fastener (10) will abut in the supporting block (303) in inner hole (301)；
2), by the blade (26) in the first cutter groove (302) alignment mounting groove (221) on installation part (30), then by installation part
(30) it is caught in by the first relief hole (211) to mounting groove (221), until the lower end surface of installation part (30) is connected to positioned at knife
On support base (51) end face below sheet (22)；
3), starting driving mechanism (40) makes it apply driving force promotion installation part (30) with to grooving to installation part (30)
Fastener (10) moving axially downwards along mounting groove (221), blade (26) is in the first knife in the folding process of installation part (30)
With respect to external screw thread (11) progress grooving (12) operation of the sliding to fastener (10) occurs in slot (302), disposably in external screw thread
(11) the identical grooving (12) of corresponding blade (26) quantity is cut out on, while installation part (30) pushes support base in folding process
(51) it moves down, compression is set to the elastic component (52) of support base (51) bottom, and elastic component (52) stores elastic potential energy；
4) grooving rear drive mechanism (40), are completed and remove the driving force to installation part (30), the elastic component of support base (51) bottom
(52) release elastic potential energy pushes support base (51) to move up, while pushing the installation for being connected to support base (51) upper end surface
Part (30) makes it slowly be ejected reset from mounting groove (221), after the completion of reset by installation part (30) from mounting groove (221)
It takes out；
5) fastener (10) taking-up from the inner hole (301) of installation part (30), is rotated backward by hand-operated tools, under continuing
The grooving of a fastener (10) is processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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|---|---|---|---|---|
| CN201339632Y (en) * | 2008-12-12 | 2009-11-04 | 林宪能 | Anti-looseness structure of bolt |
| CN204673292U (en) * | 2015-04-01 | 2015-09-30 | 航天精工股份有限公司 | A kind of on securing member external screw thread turning twist into two parts the frock of groove |
| CN105927650A (en) * | 2016-06-29 | 2016-09-07 | 王辉 | Tuning self-locking screw rod for radio frequency device and manufacture method thereof |
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| DE102011013789B3 (en) * | 2011-03-02 | 2012-06-14 | Hartmetall-Werkzeugfabrik Paul Horn Gmbh | die stock |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201339632Y (en) * | 2008-12-12 | 2009-11-04 | 林宪能 | Anti-looseness structure of bolt |
| CN204673292U (en) * | 2015-04-01 | 2015-09-30 | 航天精工股份有限公司 | A kind of on securing member external screw thread turning twist into two parts the frock of groove |
| CN105927650A (en) * | 2016-06-29 | 2016-09-07 | 王辉 | Tuning self-locking screw rod for radio frequency device and manufacture method thereof |
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