CN108714721A - A kind of sealing structure of the micro- compensation threading knife handle of central water-cooling - Google Patents
A kind of sealing structure of the micro- compensation threading knife handle of central water-cooling Download PDFInfo
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- CN108714721A CN108714721A CN201810307276.2A CN201810307276A CN108714721A CN 108714721 A CN108714721 A CN 108714721A CN 201810307276 A CN201810307276 A CN 201810307276A CN 108714721 A CN108714721 A CN 108714721A
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- cooling
- compensation
- handle
- micro
- sealing structure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G5/00—Thread-cutting tools; Die-heads
- B23G5/005—Thread-cutting tools; Die-heads with lubrication or cooling devices
Abstract
The invention discloses a kind of sealing structure of the micro- compensation threading knife handle of central water-cooling, the micro- compensation threading knife handle of central water-cooling is using central water-cooling sealing structure, the three-level sealing structure of damping body elastic packing and bindiny mechanism's screw-thread fit raw material band seal with screwed joint composition；Leakproofness intensity is high, is provided simultaneously with high flexibility pre-tightens high performance, tapping stability, precision height, tamper and compact-sized, long lifespan, reliability height, improves the tapping especially simplification of the work of aperture tapping and extra accuracy effect of mechanical processing industry.
Description
Technical field
The present invention relates to field of machining, and in particular to a kind of sealing structure of the micro- compensation threading knife handle of central water-cooling.
Background technology
Existing threading knife handle in actual use, needs the micro stretching contracting all by handle of a knife contained spring, ensures
Handle of a knife screw tap loss in thread mill drilling is preferably minimized.However, the complexity of processing environment, makes the infiltration of external cutting fluid lead
Internal structure precision is caused to be destroyed.
The development of mechanical processing industry at present, while the requirement to product quality is strictly promoted, handle of a knife cutting coolant is in
Dilution is flowed, in this regard, just necessarily requiring handle of a knife internal structure and the compact engagement of external structure, and shows the characteristic of sealing.
To ensure to the high-precision of product requirement, high quality and high service life.Accuracy guarantee thread pitch amount is small, and bounce is small；Quality
Ensure that screw tap tapping is uniform, and tooth is not worn；Which thereby enhance the service life of product.It is compact particularly with internal structure and
Has the threading knife handle of radial floating, it is necessary to assure inner elastomeric structure is not by pollutions such as dirt, water, gas, therefore for internal structure
Safeguard procedures must effectively in place, therefore, the handle of a knife internal structure must leakproofness it is strong.
However, existing threading knife handle leakproofness processing mainly has following manner.
Mode 1, the threading knife handle using rigid structure
Such as patent CN206105069U：A kind of rigid tapping handle of a knife
The sealing that can guarantee internal connection mating surface for the structure, makes entire contact surface be in sealing effect, and reach
The structure of integral type.But in handle of a knife processing work, internal structure is also easy to produce mechanical oscillation and mechanical wear, causes to sealing
Part generate destruction, therefore cannot being optimal sealing effect, service life is also ofer short duration, while part is changed and repaired
To handle of a knife precision it is difficult to ensure that；On the other hand due to there is no radial floating mechanism, lead to screw tap abrasion quickly, small screw tap is easy folding
Disconnected, tapping back aperture is unable to control, and accuracy of thread requirement is not achieved.
Elastic large-displacement structure is used inside mode 2, threading knife handle
Such as 205927388 U of patent CN：A kind of micro stretching contracting rigid tapping handle of a knife
Relative to rigid tapping handle of a knife, the case where which is broken in tapping, however attacking
When silk small-diameter thread hole, the torque of generation is smaller, therefore can not perceive small torque, so overload protection is to the minor diameter that is easily broken off
Screw tap is unable to get effective protection.Within the scope of certain tapping, what is shown is not benign consistent with rigid structure threading knife handle, and
For rigid tapping handle of a knife, this handle of a knife manufacturing cost higher, assembly difficulty bigger.Therefore tapping is still worn quickly, small tapping
Be easy to fracture, to tapping precision it is difficult to ensure that.
Mode 3, using the threading knife handle of micro- compensation sealing structure
Such as 205798479 U of patent No. CN：A kind of micro compensation screw pitch synchronization numerical control rigid tapping handle of a knife
The handle of a knife of which compensates for the deficiency for aforesaid way 1,2 in tapping structure, in tapping especially minor diameter
Miniature compensation is carried out to small torque in tapping, torsion is uneven in effective adjustment tapping.The presence of sealing structure ensure that
Coolant liquid smoothly flows out, and apparent insufficient defect is without increasing spare measure of protecting, and prolonged mechanical movement makes sealing
Structure is squeezed, wears, and water, gas, dirt and iron filings is caused to rapidly permeate into, and accelerates handle of a knife seal body interior and thoroughly destroys, to
Member anticorrosion erosion, antirust ability ability is caused to reduce, cooperation precision is deteriorated, service life serious curtailment.
To sum up, existing threading knife handle structure is single, simple, and single protection is used particularly with minor diameter tapping to tapping
Effective multilayer proofing effect is not accomplished in measure.And the part that actual processing comes out, still remain subtle processing and assembly
Error, prolonged mechanical movement make sealing structure be squeezed, wear, and cause water, gas, dirt and iron filings to rapidly permeate into, rapidly
Internal structure pollution corrosion occur leads to product failure；And after elastomeric seal abrasion, it is fast that speed is scrapped in handle of a knife corrosion,
Service life of the product itself service life all dependent on sealing element.
Invention content
For overcome the deficiencies in the prior art, the purpose of the present invention is to provide a kind of micro- compensation threading knife handles of central water-cooling
Sealing structure, can solve the problems, such as existing handle of a knife poor sealing performance, short life.
The purpose of the present invention is realized using following technical scheme：
A kind of sealing structure of the micro- compensation threading knife handle of central water-cooling, the threading knife handle includes blind rivet structure, handle of a knife sheet
Body unit, cooling core, fixing sleeve, plug, the adjusting screw with limbers, collet and locking nut；
Blind rivet structure is connect by external screw thread with the internal thread of handle of a knife body unit internal cavity, and fixed using circlip
Position；
Upper end and upper surface of the lower end of handle of a knife body unit by the epimere of stepped hole against cooling core have hollow
The hypomere of the cooling core of water conservancy diversion through-hole is against fixing sleeve epimere endoporus and is inserted into the endoporus of epimere of plug, the tune with limbers
The lower section of the cooling core is socketed in the endoporus for the hypomere that section screw is set to fixing sleeve and in the macropore of epimere；
The peripheral surface of fixing sleeve is socketed by aluminium set；
The hypomere of plug is in class cone-shaped cavity, and the screw tap clamping piece of back taper is arranged in the class cone-shaped cavity；Screw tap
Epimere be inserted into the screw tap clamping piece in the hypomere class cone-shaped cavity of plug, and fixation is tightened by locking nut screw-thread fit
Screw tap；
The micro- compensation threading knife handle of central water-cooling uses central water-cooling sealing structure, damping body elastic packing and bindiny mechanism's spiral shell
Line coordinates the three-level sealing structure of raw material band seal with screwed joint composition.
Wherein, central water-cooling mechanism is the notch ring groove shape that is assembled to form of step ring of handle of a knife ontology and cooling core into ladder
Cavity, which includes upper groove and lower groove, and upper groove and lower groove position are staggered, upper groove by its
The O-ring seal of interior setting squeezes to form intermediate seal connector, and blocking coolant liquid is overflowed lower groove and entered in upper groove, is formed
Mazy central water-cooling sealing structure；
Wherein, O-ring seal between aluminium set and the fitting surface of plug is set and constitutes elastomer damping seal, cutting fluid is prevented to ooze
Enter；
Wherein, it is connected through a screw thread between handle of a knife ontology and fixing sleeve, and the raw material band elastic in threaded connection place winding,
Form the sealing of bindiny mechanism.
Preferably, the screw tap clamping piece is the clamp spring of back taper or the screw tap collet chuck of back taper, the screw tap clamping piece
It is set in the class cone-shaped cavity of plug, for coordinating clamping screw tap.
Preferably, spring is equipped with for attacking in the big endoporus of the fixing sleeve hypomere and cavity between mandrel outer peripheral wall
Micro- compensation of silk torque.
Preferably, the positioning component of radial positioning pin and positioning ball composition is equipped between the fixing sleeve and plug, with
Prevent the absolute value of the positioning of plug radial-play and spring and axial stretching amount.
Preferably, in the radial setting axially position pin of the handle of a knife body unit and fixing sleeve ensureing spring end face
It positions and ensures micro- flexible compensation.
Lock-screw one is set in radial direction in one end of the fixing sleeve and spring, in the other end and plug of spring
Clamping screw two is set in radial direction, spring to be fixed in the cavity that fixing sleeve is constituted with plug.
Preferably, central water-cooling mechanism is by setting gradually from top to bottom by the center cooling duct of blind rivet structure, handle of a knife
Through cooling tube, band limbers in the central through hole composition of major diameter cooling tube, cooling core that the central through hole of body unit is constituted
The path cooling tube that constitutes of central through hole of adjusting screw constitute, and the aperture of above-mentioned cooling tube is sequentially reduced, coolant liquid according to
The secondary liquid outlet being arranged by the central through hole and radial skew of screw tap after heart magnetism servo-electric motor water-cooling among the above that flows through is discharged.
Compared with prior art, the beneficial effects of the present invention are：Handle of a knife tapping under machine tool chief axis operating condition has
It loads highly sensitive flexible compensation (compensation rate is ± 0.15mm) and handle of a knife shows higher combination to the clamping of screw tap
Precision (dress knife screw tap beat accuracy guarantee 0.005mm within) and it can ensure handle of a knife central water-cooling effect, it is on the other hand complete
The infiltration of full isolation iron filings, dust, reaches antirust, the excellent results of acid-proof alkaline, internal structure threaded pre-tightening structure is with bullet
Spring radial floating is deviated and is moved, and is compensated by the deformation of elastic O-ring and be tightly bonded in face gap.The handle of a knife has
The features such as Anti-dismantling effect, inner sealing are strong, life cycle is long, good reliability.
Description of the drawings
Fig. 1 is a kind of sealing structure sectional view of the micro- compensation threading knife handle of central water-cooling of the present invention；
Fig. 2 is the enlarged drawing at A in Fig. 1；
Fig. 3 is the enlarged drawing at B in Fig. 1；
Fig. 4 is the enlarged drawing at C in Fig. 1；
Fig. 5 is seal with screwed joint enlarged drawing in Fig. 4；
Fig. 6 is that the central water-cooling mechanism of coolant liquid in Fig. 1 flows to schematic diagram；
Fig. 7 is the central water-cooling structural scheme of mechanism in Fig. 1；
Fig. 8 is the circulation passage schematic diagram of the central water-cooling mechanism of coolant liquid in the figure 7.
In figure：101, blind rivet structure；102, handle of a knife body unit；103, cooling core；104, aluminium set；105, fixing sleeve；
106, spring；107, plug；108, collet；109, locking nut；110, screw tap；111, radial positioning pin；112, positioning ball；
113, axially position pin；114, lock-screw one；115, lock-screw two；116, band limbers adjusting screw；201, O-ring；
202, upper groove；203, lower groove；204, outside handle of a knife；205, ladder cavity；301/302, O-ring seal；401, it connects
At screw thread；501, raw material band；601, flow or coolant flow direction；701, central water-cooling mechanism；801, major diameter cooling tube；
802, central diameter cooling tube；803, path cooling tube.
Specific implementation mode
With reference to the attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
It should be noted that when component is referred to as " being fixed on " another component, it can be directly on another component
Or there may also be components placed in the middle.When a component is considered as " connection " another component, it can be directly connected to
To another component or it may be simultaneously present component placed in the middle.When a component is considered as " being set to " another component, it
Can be set up directly on another component or may be simultaneously present component placed in the middle.Term as used herein is " vertical
", " horizontal ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article and belong to the technical field of the present invention
The normally understood meaning of technical staff is identical.Used term is intended merely to description tool in the description of the invention herein
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the Listed Items of pass.
Conventional threading knife handle screw tap in tapping reaches the depth of setting, due to the tolerance of apparatus control so that lead at this time
Brill attack unit (being made of threading knife handle and its clamped screw tap) occur add up angular errors cause certain turn error and
The case where axial error, the surge torque thus generated in screw tap positive and negative rotating axial feed motion so that screw tap load sudden change,
Shearing or phenomenon of rupture occurs, and causes to process thread quality unevenness, is processed phenomena such as thread is thin, tooth is rotten or root is cut.
In order to solve the problems, such as above-mentioned phenomenon or, referring to Fig. 1-8, provide a kind of sealing of the micro- compensation threading knife handle of central water-cooling
Structure, threading knife handle include blind rivet structure 101, handle of a knife body unit 102, cooling core 103, fixing sleeve 105, plug 107, band logical
Adjusting screw 116, collet 108 and the locking nut 109 in water hole；
Blind rivet structure 101 is used to threading knife handle structure being connected to numerically-controlled machine tool or machining center；
Locking nut 109 is for coordinating collet 108 that screw tap 110 is anchored on the threading knife handle lower end；
The external screw thread that blind rivet structure 101 is arranged by blind rivet hypomere periphery is set with 102 epimere internal cavity of handle of a knife body unit
The internal thread connection set, and positioned using circlip；
Upper end and upper surface of the lower end of handle of a knife body unit 102 by the epimere of stepped hole against cooling core 103, tool
Have the hypomere of the cooling core 103 of hollow flow-guiding through-hole against 105 epimere endoporus of fixing sleeve and be inserted into plug 107 epimere endoporus
In, it is socketed in the endoporus for the hypomere that the adjusting screw 116 with limbers is set to fixing sleeve 105 and in the macropore of epimere described cold
But the lower section of core 103；
The peripheral surface of fixing sleeve 105 is socketed by aluminium set 104；
Lock-screw 1 is set in radial direction in one end of fixing sleeve 105 and spring 106, in the another of spring 106
Clamping screw 2 115 is arranged in radial direction with plug 107 in end, spring 106 is fixed on fixing sleeve 105 and plug 107
In the cavity of composition；
The hypomere of plug 107 is in class cone-shaped cavity, and the screw tap clamping piece of back taper is arranged in the class cone-shaped cavity；Silk
The epimere of cone 110 is inserted into the screw tap clamping piece in the hypomere class cone-shaped cavity of plug 107, and passes through 109 screw thread of locking nut
Fixed screw tap 110 is tightened in cooperation.
The screw tap clamping piece is that the clamp spring of back taper or the screw tap collet chuck of back taper, the screw tap clamping piece are set to core
In the class cone-shaped cavity of stick 107, for coordinating clamping screw tap 110.
The micro- compensation threading knife handle of central water-cooling uses central water-cooling sealing structure, damping body elastic packing and bindiny mechanism's spiral shell
Line coordinates the three-level sealing structure of raw material band seal with screwed joint composition (referring to Fig. 2-5).
Wherein, the landolsring that central water-cooling mechanism is assembled to form for the step ring of handle of a knife body unit 102 and cooling core 103
Slot forms ladder cavity 205, which includes upper groove 202 and lower groove 203, and upper groove 202 and lower ditch
203 position of slot is staggered, and upper groove squeezes the O-ring seal being arranged inside to form intermediate seal connector, blocking cooling
Hydrorrhea goes out lower groove 203 and enters in upper groove 202, forms mazy central water-cooling sealing structure.
Wherein, it is close that the composition elastomer damping of O-ring seal 301,302 is set between aluminium set 104 and the fitting surface of plug 107
Envelope prevents cutting fluid from penetrating into.
Wherein, it is connected through a screw thread between handle of a knife body unit 102 and fixing sleeve 105, and bullet is wound in threaded connection place
The raw material band 501 of property, forms the sealing of bindiny mechanism.
It is equipped with spring 106 in the big endoporus of 105 hypomere of fixing sleeve and cavity between 107 periphery wall of plug and is used for tapping
Micro- compensation of torque.
The positioning component that radial positioning pin 111 is formed with positioning ball 112 is equipped between fixing sleeve 105 and plug 107, with
Prevent the absolute value of the positioning of plug radial-play and spring and axial stretching amount.
Axially position pin 113 is set in the radial direction of handle of a knife body unit 102 and fixing sleeve 105 to ensure that spring end face is fixed
Position simultaneously ensures micro- flexible compensation.
What is set gradually from top to bottom is led to by the center cooling duct of blind rivet structure 101, the center of handle of a knife body unit 102
Through cooling tube 802, the adjusting spiral shell with limbers in the central through hole composition of major diameter cooling tube 801, cooling core 103 that hole is constituted
The path cooling tube 803 that the central through hole of nail 116 is constituted constitutes central water-cooling mechanism, and the aperture of above-mentioned cooling tube subtracts successively
Small, coolant liquid goes out liquid followed by after heart magnetism servo-electric motor water-cooling among the above by what the central through hole and radial skew of screw tap 110 were arranged
Mouth discharge.
The sealing grade of the three-level sealing of the threading knife handle internal seal structure be IPX6 grade (the strong water spray test of abbreviation,
It is position at the nozzle 2.5-3m of 12.5mm that sample, which is placed from water spray bore, according to water flow 100L/min, outside test sample
Every square metre of shell surface area calculates for 1min, at least 3min) waterproof effect.Now the sealing of this three-level is explained respectively：
1, contactless labyrinth seal prevents cutting liquid from flowing backwards
Referring to Fig. 2, water cooled seal structure centered on handle of a knife, the presence of non-face contact formula sealing makes handle of a knife internal cavity 205
The air pressure body for forming a meagre layer, with 204 natural atmosphere swagings outside handle of a knife at apparent difference, handle of a knife 204 air pressures of outside
Less than 205 air pressure of handle of a knife internal cavity, therefore the cutting fluid splash outside handle of a knife is completely blocked, and cannot be penetrated into groove naturally
202；On the other hand, the contact of handle of a knife body unit 102 compresses cooling core 103, forms the cavity 205 of stepped-style, in centre bore
Even if coolant liquid is penetrated by handle of a knife body unit 102 and 103 fit-up gap face of cooling core in lower groove 203, due to upper ditch
Coolant liquid, can also be accumulated in lower position groove 203 by the presence of 203 difference in height of slot 202 and lower groove.Handle of a knife body unit
102 compress cooling core 103, squeeze O-ring damping body elasticity and obstruct, and 201, intermediate seal connector is formed, cooling hydrorrhea is avoided
Go out low groove 203 and enter in 202, thus carries out secondary seal.
2, the elasticity barrier of damping body
Referring to Fig. 3, the cooperation installation of handle of a knife inner structural members exists to prevent contact position aluminium set 104 and plug 107 from coordinating
Gap, therefore face contact position uses O-ring damping body elasticity barrier 301 and 302.Due to the natural elasticity attribute of O-ring, aluminium set
104 and plug 107 assembly by O-ring damping body elasticity barrier 301 and 302 squeeze, there will be assembly gap carry out face compensation
And reach sealing, effectively stop the infiltration of cutting fluid outside handle of a knife.O-ring damps itself elasticity that body elasticity obstructs 301 and 302
Characteristic can adjust with the variation in 107 coordinate contact surfac gap of assembling structure part aluminium set 104 and plug, therefore reach component assembly
The complete fitting of mating surface ensures the effect that handle of a knife internal structure chart one is fully sealed.
3, the sealing of bindiny mechanism
Referring to Fig. 4 and Fig. 5, the fit system that handle of a knife body unit 102 tightens 401 with fixing sleeve 105 by screw thread is connect,
And it is threaded with the presence in gap, therefore connection need to have sealing, just be avoided that at this that structure causes to cut there are thread gaps
The infiltration of liquid.By 401 winding raw material band 501 at handle of a knife body unit 102 and 105 connection screw thread of fixing sleeve, due to raw material band 501
Natural elasticity, can be with being threadedly coupled natural shrinking and expansion.Also increase fixing sleeve 105, spring 106 and plug simultaneously
108 connection so that transmission is more stablized, and handle of a knife side processes oil filler point, inwardly injects lubricating oil, ensures spring mechanism 106
Stretching motion keeps smooth, ensure that the accuracy of micro- compensation.
Torque compensation and the general description of sealing are as follows：
Signal is provided in numerically-controlled machine tool control unit to carry out moving back silk, due to screw tap buffering effect, can retain attacking for transience
Tooth process, 106 connecting clip 108 of micro- compensation mechanism-spring in this structure, and it is transmitted to screw tap 110, until cutting down the torsion retained
Square power；In addition this handle of a knife interface 102 is BT series high leakproofness handle of a knifes, and Knife handle structure is compact and long conical surface positioning system, passes through
Blind rivet 101 and the broaching tool system of machine tool chief axis are connected to static main shaft or spindle box, pass through internal chain fitting and elasticity O
The leakproofness of shape circle makes the isolation completely of cutting fluid, coolant liquid outside, contactless labyrinth structure, elastic damping structure and machine
Structure connection sealing three-level protection altogether, effectively enhances the rust-proof effect of spring, keeps intrinsic micro- expansion performance of spring 106.Make knot
Thoroughly structure waterproof efficacy, central water-cooling mechanism 701 are cooled down by major diameter cooling tube 801, central diameter cooling tube 802 and path for structure assembly
The combination connection of pipe 803, coolant liquid flow to central diameter cooling tube 802 to path cooling tube 803, due to cooling by major diameter cooling tube 801
Bore is gradually reduced, and reduces and is damped along journey, and water flow pressure successively enhances, and ensures the absolute outflow of coolant liquid.Grips silk
Cone, when screw tap rotates tapping, when 110 tapping of screw tap of the micro stretching contracting effective compensation of spring 106, when reaching set depth due to
Inertia or tolerance due to apparatus control so that by the screw tap 110 clamped by threading knife handle occur slightly to rotate at this time or
Offset, the change in torque that compensation screw tap is generated when entering knife and withdrawing.
In summary：The present invention has under handle of a knife tapping operating mode, and under the working environment of handle of a knife central water-cooling, leakproofness is strong
Degree is high, is provided simultaneously with high high flexibility preload performance, tapping stability, precision height, tamper and compact-sized, long lifespan, is reliable
Property it is high, directly enhance the tapping especially simplification of the work of aperture tapping and extra accuracy effect of mechanical processing industry, push
The change of mechanical processing industry.
It will be apparent to those skilled in the art that technical solution that can be as described above and design, make various other
Corresponding change and deformation, and all these changes and deformation should all belong to the protection domain of the claims in the present invention
Within.
Claims (9)
1. a kind of sealing structure of the micro- compensation threading knife handle of central water-cooling, water cooled seal structure, resistance centered on the sealing structure
Buddhist nun's body elasticity seals and the three-level sealing structure of bindiny mechanism's screw-thread fit raw material band seal with screwed joint composition, feature exist
In：
Central water-cooling mechanism is the notch ring groove shape that is assembled to form of the step ring of handle of a knife body unit and cooling core into ladder cavity
Body, which includes upper groove and lower groove, and upper groove and lower groove position are staggered, and upper groove will be set in it
The O-ring seal set squeezes to form intermediate seal connector, and blocking coolant liquid is overflowed lower groove and entered in upper groove, and labyrinth is formed
The central water-cooling sealing structure of formula；
O-ring seal is set between fixing sleeve and the fitting surface of plug and constitutes elastomer damping seal, cutting fluid is prevented to penetrate into；
It is connected through a screw thread between handle of a knife body unit and fixing sleeve, and in the raw material band of threaded connection place winding elasticity, is formed
Bindiny mechanism's screw-thread fit raw material band seal with screwed joint.
2. the sealing structure of the micro- compensation threading knife handle of central water-cooling according to claim 1, it is characterised in that：Under plug
Section is in class cone-shaped cavity, and the screw tap clamping piece of back taper is arranged in the class cone-shaped cavity；The screw tap clamping piece is back taper
The clamp spring of shape or the screw tap collet chuck of back taper, the screw tap clamping piece are set in the class cone-shaped cavity of plug, for matching co-clip
Screw tap is held, and fixed screw tap is tightened by locking nut screw-thread fit.
3. the sealing structure of the micro- compensation threading knife handle of central water-cooling according to claim 1, it is characterised in that：Under fixing sleeve
Micro- compensation that spring is used for tapping torque is equipped in the big endoporus of section and the cavity between mandrel outer peripheral wall.
4. the sealing structure of the micro- compensation threading knife handle of central water-cooling according to claim 1 or 3, it is characterised in that：It is fixed
The positioning component of radial positioning pin and positioning ball composition is equipped between set and plug, to prevent plug radial-play and spring
The absolute value of positioning and axial stretching amount.
5. the sealing structure of the micro- compensation threading knife handle of central water-cooling according to claim 1 or 3, it is characterised in that：In knife
The radial setting axially position pin of handle body unit and fixing sleeve positions ensureing spring end face and ensures micro- flexible compensation.
6. the sealing structure of the micro- compensation threading knife handle of central water-cooling according to claim 1, it is characterised in that：In fixing sleeve
Lock-screw one is set in radial direction with one end of spring, locking screw is set in radial direction with plug in the other end of spring
Bolt two, spring to be fixed in the cavity that fixing sleeve is constituted with plug.
7. the sealing structure of the micro- compensation threading knife handle of central water-cooling according to claim 6, it is characterised in that：Fixing sleeve
Peripheral surface is socketed by aluminium set, to protect internal structure.
8. the sealing structure of the micro- compensation threading knife handle of central water-cooling according to claim 1, it is characterised in that：From top to bottom
It is the major diameter cooling tube being made of the central through hole of the center cooling duct of blind rivet structure, handle of a knife body unit that sets gradually, cold
But the path cooling tube structure that the central through hole through cooling tube, adjusting screw with limbers during the central through hole of core is constituted is constituted
It is sequentially reduced at the aperture of central water-cooling mechanism, and above-mentioned cooling tube, coolant liquid is led to followed by after heart magnetism servo-electric motor water-cooling among the above
Cross the central through hole of screw tap and the liquid outlet discharge of radial skew setting.
9. the sealing structure of the micro- compensation threading knife handle of central water-cooling according to claim 2, it is characterised in that：The locking
Nut is steel ball nut or snap-gauge nut.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810307276.2A CN108714721A (en) | 2018-04-08 | 2018-04-08 | A kind of sealing structure of the micro- compensation threading knife handle of central water-cooling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810307276.2A CN108714721A (en) | 2018-04-08 | 2018-04-08 | A kind of sealing structure of the micro- compensation threading knife handle of central water-cooling |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109732382A (en) * | 2018-12-19 | 2019-05-10 | 广州市昊志机电股份有限公司 | A kind of cold handle device of external-change-internal |
| CN110421389A (en) * | 2019-07-17 | 2019-11-08 | 成都成林数控刀具有限公司 | A kind of tapping clamp device knife handle of the axial micro- compensation of band |
| CN113245645A (en) * | 2021-05-19 | 2021-08-13 | 山东金杰机械有限公司 | Micro-compensation synchronous tapping knife handle |
| CN116984911A (en) * | 2023-09-26 | 2023-11-03 | 成都比扬精密机械有限公司 | Floating cutter bar with mechanical processing spring structure |
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| CN109732382A (en) * | 2018-12-19 | 2019-05-10 | 广州市昊志机电股份有限公司 | A kind of cold handle device of external-change-internal |
| CN110421389A (en) * | 2019-07-17 | 2019-11-08 | 成都成林数控刀具有限公司 | A kind of tapping clamp device knife handle of the axial micro- compensation of band |
| CN110421389B (en) * | 2019-07-17 | 2024-03-15 | 成都成林数控刀具股份有限公司 | Tapping chuck knife handle with axial micro-compensation |
| CN113245645A (en) * | 2021-05-19 | 2021-08-13 | 山东金杰机械有限公司 | Micro-compensation synchronous tapping knife handle |
| CN116984911A (en) * | 2023-09-26 | 2023-11-03 | 成都比扬精密机械有限公司 | Floating cutter bar with mechanical processing spring structure |
| CN116984911B (en) * | 2023-09-26 | 2023-12-15 | 成都比扬精密机械有限公司 | Floating cutter bar with mechanical processing spring structure |
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