CN101954494B - Vertical servo hydraulic tool rest - Google Patents
Vertical servo hydraulic tool rest Download PDFInfo
- Publication number
- CN101954494B CN101954494B CN2010105028594A CN201010502859A CN101954494B CN 101954494 B CN101954494 B CN 101954494B CN 2010105028594 A CN2010105028594 A CN 2010105028594A CN 201010502859 A CN201010502859 A CN 201010502859A CN 101954494 B CN101954494 B CN 101954494B
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- Prior art keywords
- fixed
- fluted disc
- vertical shaft
- stopping
- bearing block
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- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 238000005096 rolling process Methods 0.000 claims description 8
- 210000004907 gland Anatomy 0.000 claims description 7
- 238000009987 spinning Methods 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000017105 transposition Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
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Abstract
The invention discloses a vertical servo hydraulic tool rest, which comprises a base, cylindrical vertical shafts, a drive system, inner gear rings, tool stages and a braking and loosening component, wherein the inner sides of the lower ends of the tool stages are fixedly with a movable fluted disc respectively, while upper ends are fixedly connected with the inner gear rings; fixed fluted discs are arranged on the upper end face of the base between the movable fluted discs and the vertical shafts; meshing teeth are arranged on the upper end faces of the movable fluted discs and the fixed fluted discs; the inner gear rings and the tool stages are driven by the drive system to rotate; the drive system comprises a speed reducer, a servo motor, a drive gear and a transmission gear; the speed reducer and the servo motor are connected with each other and are arranged below a bearing block; the drive gear is arranged above the bearing block, and is connected with an output shaft of the speed reducer; and the transmission gear is arranged on the bearing block, is externally meshed with the drive gear and is internally meshed with the inner gear rings. The vertical servo hydraulic tool rest has the characteristics of small moment of inertia, stable rotation, large output torque and relatively larger braking torque.
Description
Technical field
The present invention relates to field of machining, more particularly, relate to that a kind of rotary inertia is little, spin stabilization, output torque be big, and the vertical servo-hydraulic knife rest with the tight moment of stopping more greatly.
Background technology
Numerically-controlled slide is critical function parts of numerically controlled lathe, and its performance quality directly influences the overall performance of lathe.The vertical knife rest of using always now, as shown in Figure 2, adopt the rotation of stepper motor driven gear group, three fluted discs location, the tense-lax of stopping is opened and is relied on rectangular thread drive duplex fluted disc to move up and down, and leans on the interaction force between three fluted discs to realize.
The tense-lax of stopping of prior art is opened and is not used hydraulic pressure, but the duplex fluted disc is connected through key with the cutter platform, increases by a turning set on the duplex fluted disc; Turning set is connected with vertical shaft through the transmission of nut rectangular thread again, and when fluted disc meshed, key restriction cutter platform and turning set rotated like this; It can only be moved up and down; The tense-lax that realizes in this way stopping is opened, and the tight power of stopping can not be guaranteed effectively that transposition is also unreliable; Adopt stepper motor driven gear group to realize the rotation of cutter platform simultaneously,, use gear progression generally to be not less than 4 grades in order to meet the requirements of speed reducing ratio, as shown in Figure 3; Limit by the space, gear is all smaller, and gear shaft is also thinner; Cause high-speed rotary body too much like this, rotary inertia is big, and the strength of gear teeth is low; The transmission moment of torsion is little, in case moment of torsion is big slightly, gear teeth and gear shaft are easy to fracture.
Summary of the invention
Technical problem to be solved by this invention provides that a kind of rotary inertia is little, spin stabilization, output torque are big, and the vertical servo-hydraulic knife rest with the tight moment of stopping more greatly.
For realizing above-mentioned purpose, the invention provides technical scheme: a kind of vertical servo-hydraulic knife rest, base, its upper surface is provided with fixed tooth disk;
Vertical shaft, the profile of said vertical shaft is made up of two different cylinders of diameter up and down, and the less end of external diameter is fixed on the said base, and the end that external diameter is bigger is fixed with bearing block;
Transmission system is fixed on the said bearing block;
The ring gear of connection fixed to one another and cutter platform; The inboard, lower end of said cutter platform is fixed with active toothed disk; Its upper end is fixedly connected with said ring gear; Said fixed tooth disk is arranged on the base upper surface between said active toothed disk and the vertical shaft, and the upper surface of said active toothed disk and said fixed tooth disk is provided with engaging tooth, and said ring gear and cutter platform rotate through transmission system drives;
The tense-lax of stopping is opened assembly; Place in said cutter platform and the formed annular space of vertical shaft, and surround an airtight annular space space, when the said tense-lax of stopping is opened assembly and moved down with said ring gear and base; Mesh simultaneously with said active toothed disk and fixed tooth disk and to make said cutter platform be in the tight state of stopping; When the said tense-lax of stopping is opened when moving on the assembly, break away from engagement with said active toothed disk and fixed tooth disk, said cutter platform can be done spinning movement;
Said transmission system comprises:
Reductor connected to one another and servomotor place the below of said bearing block;
One driving gear places said bearing block top, with the output shaft connection of said reductor;
One travelling gear is arranged on the said bearing block, and with said driving gear external toothing, with meshing in the said ring gear.
The said tense-lax of stopping is opened assembly and is comprised:
Duplex fluted disc and control the tight sensor of stopping that said duplex fluted disc moves along said vertical shaft axis, unclamp sensor and the bar of posting a letter; Said duplex fluted disc places in the said airtight annular space space, forms between itself and the said vertical shaft to go up hydraulic cavities and lower hydraulic pressure chamber, when last hydraulic cavities during greater than the pressure in the lower hydraulic pressure chamber; Said duplex fluted disc moves down along its axis; Its lower end is meshed simultaneously with said active toothed disk and fixed tooth disk said cutter platform is stopped tightly, and when last hydraulic cavities during less than the pressure in the lower hydraulic pressure chamber, said duplex fluted disc is along moving on its axis; Its lower end breaks away from engagement simultaneously with said active toothed disk and fixed tooth disk, and said cutter platform unclamps;
The said tight sensor of stopping is positioned at said below of unclamping sensor, and is fixed on the said bearing block;
The lower end of the said bar of posting a letter is fixed on the said duplex fluted disc, be used to respond to said stop tight sensor with unclamp the position of sensor, and send signal and give the control system.
The upper end of said bearing block is provided with the gland that is used to limit said cutter platform amount of movement, and when said cutter platform was in releasing orientation, the lower surface of said gland contacted with the upper surface of said ring gear.
Be fixed with bearing pin on the said vertical shaft, said bearing pin is provided with along said vertical shaft axis direction, and said duplex fluted disc is provided with the pin-and-hole that supplies said pin slide, and said bearing pin places said pin-and-hole and makes said duplex fluted disc moving axially along bearing pin.
Be provided with packed-piston in the said lower hydraulic pressure chamber, the medial surface of said packed-piston is fixed on the periphery of said vertical shaft, and its bottom surface is tightly connected with the upper surface of said base.
Said airtight annular space is provided with rolling bearing in the space, and said rolling bearing places between said duplex fluted disc and the ring gear, and realizes moving about support through the outer face of said vertical shaft.
The present invention has following advantage:
Compared with present technology vertical servo-hydraulic knife rest of the present invention has following good effect:
1, the tense-lax of stopping of prior art is opened and is not used hydraulic pressure, but the duplex fluted disc is connected through key with the cutter platform, increases by a turning set on the duplex fluted disc; Turning set is connected with vertical shaft through the rectangular thread transmission again, and when fluted disc meshed, key restriction cutter platform and turning set rotated like this; It can only be moved up and down, and the tense-lax that realizes in this way stopping is opened, and the tight power of stopping can not effectively be guaranteed; Transposition is also unreliable; And vertical knife rest of the present invention compresses the duplex fluted disc through the pressure that pressure oil produces, and the duplex fluted disc has no rotation, the big and accurate positioning of the tight power of stopping under the effect of bearing pin;
2, prior art adopts stepper motor driven gear group to drive the rotation of cutter platform at last, in order to meet the requirements of speed reducing ratio, uses gear progression generally to be not less than 4 grades, limit by the space; Gear is all smaller, and gear shaft is also thinner, causes high-speed rotary body too much like this, and rotary inertia is big; The strength of gear teeth is low, and it is little to transmit moment of torsion, in case moment of torsion is big slightly, gear teeth and gear shaft are easy to fracture; After the present invention increases reductor, reduce travelling gear quantity, can increase parameters such as module and gear shaft diameter, reduced the rotary inertia of knife rest self; Improve the intensity of gear, made stability of rotation reliable, can bear bigger moment of torsion simultaneously;
3, servomotor replaces stepper motor, can improve each item performance of the present invention greatly.
Description of drawings
Shown in Figure 1 is structure chart of the present invention;
Shown in Figure 2 is prior art constructions figure;
Shown in Figure 3 is prior art intermediate slide gear train cutaway view.
Reference numeral is expressed as among the figure:
1; Base 2; Vertical shaft 3; Active toothed disk 4; Cutter platform 5; Duplex fluted disc 6; Bearing pin 7; Packed-piston 8; Bearing block 9; Driving gear 10; Ring gear 11; Bearing cap 12; Rolling bearing 13; The tight sensor 14 of stopping; Unclamp sensor 15; Gland 16; Cover 17; Reductor 18; Servomotor 19; The bar 20 of posting a letter; Travelling gear 21; Last hydraulic cavities 22; Lower hydraulic pressure chamber 23; Pin-and-hole 24; Fixed tooth disk 25; Key 26; Turning set 27; Nut.
The specific embodiment
Below will combine accompanying drawing, and use following examples that the present invention is further set forth.
By shown in Figure 1; This hydraulic support comprises that base 1, hollow vertical shaft 2, transmission system, bearing block 8, ring gear 10, cutter platform 4 and the tense-lax of stopping open assembly; The middle part of base 1 vertically is fixed with hollow vertical shaft 2; The upper end of hollow vertical shaft 2 is fixed with bearing block 8, and transmission system wherein is fixed on the bearing block 8.Transmission system mainly comprises servomotor 18, and its output connects reductor 17, and reductor 17 is the high accuracy planetary reducer; Reductor 17 is fixed on the lower surface of bearing block 8 with servomotor 18; The output shaft of reductor 17 passes bearing block 8, is fixed with driving gear 9 on it, on bearing block 8, also is provided with the travelling gear 20 with driving gear 9 external toothings; Travelling gear 20 is with engagement in the ring gear 10; Ring gear 10 wherein connects through the pin tightening with the upper end of cutter platform 4, and the inboard of cutter platform 4 lower ends is fixed with active toothed disk 3, and the upper surface of active toothed disk 3 is provided with engaging tooth; On base 1 upper surface between active toothed disk 3 and the vertical shaft 2, be provided with fixed tooth disk 24, the upper surface of fixed tooth disk 24 is provided with engaging tooth.
The tense-lax of stopping is opened assembly and is placed in cutter platform 4 and the vertical shaft 2 formed annular spaces, and surrounds an airtight annular space space with ring gear 10 and base 1, when the said tense-lax of stopping is opened assembly and moved down; Mesh simultaneously with active toothed disk 3 and fixed tooth disk 24 and to make cutter platform 4 be in the tight state of stopping; When the tense-lax of stopping is opened when moving on the assembly, break away from engagement with active toothed disk 3 and fixed tooth disk 24, cutter platform 4 can be done spinning movement; The tense-lax of stopping is opened assembly and is comprised: duplex fluted disc 5 and control duplex fluted disc 5 along the tight sensor of stopping of moving of vertical shaft 2 axis 13, unclamp sensor 14 and the bar 19 of posting a letter; Duplex fluted disc 5 places in the airtight annular space space, forms between itself and the vertical shaft 2 and goes up hydraulic cavities 21 and lower hydraulic pressure chamber 22, is provided with packed-piston 7 in the lower hydraulic pressure chamber 22; The medial surface of packed-piston 7 is fixed on the periphery of vertical shaft 2, and its bottom surface is tightly connected with the upper surface of base 1.
Be provided with the gland 15 that is used to limit cutter platform 4 amount of movements in the upper end of bearing block 8, when cutter platform 4 was in releasing orientation, the lower surface of gland 15 contacted with the upper surface of ring gear 10.Be fixed with bearing pin on the vertical shaft 2, bearing pin 6 is along vertical shaft 2 axis direction settings, and duplex fluted disc 5 is provided with the pin-and-hole that supply and marketing axle 6 slides; Bearing pin 6 places pin-and-hole 23; When duplex fluted disc 5 moves up and down, can make duplex fluted disc 5 along the moving axially of bearing pin 6, prevent the rotation of duplex fluted disc 5.In airtight annular space space, be provided with rolling bearing 12, rolling bearing 12 places between duplex fluted disc 5 and the ring gear 10, and realizes moving about support through the outer face of vertical shaft 2, can guarantee the stationarity of rotating.
In addition, on the upper surface of ring gear, be fixed with cover 16, sealing ring is installed at the position that respectively communicates in inside simultaneously, guarantees overall sealing performance.
Stopping tightly when unclamping action, pressure oil feeds hydraulic cavities and lower hydraulic pressure chamber respectively through base, vertical shaft, when last hydraulic cavities 21 during greater than the pressure in the lower hydraulic pressure chamber 22; Duplex fluted disc 5 moves down along its axis, and its lower end is meshed simultaneously with active toothed disk 3 and fixed tooth disk 24 the cutter platform is stopped tightly, when last hydraulic cavities 21 during less than the pressure in the lower hydraulic pressure chamber 22; Duplex fluted disc 5 is along moving on its axis; And jack-up rolling bearing 12, and then with ring gear jack-up, at this moment; The lower end of duplex fluted disc 5 breaks away from engagement simultaneously with active toothed disk 3 and fixed tooth disk 24, and the cutter platform unclamps; The tight sensor of stopping is positioned at the below of unclamping sensor 14, and is fixed on the bearing block 8, and the lower end of the bar 19 of posting a letter is fixed on the duplex fluted disc 5, be used to respond to stop tight sensor 13 with unclamp the position of sensor 14, and send signal and give the control system.
Though the present invention has carried out detailed elaboration through the specific embodiment to it; But; Any form that does not exceed the claim protection domain that those skilled in the art should be understood that on this basis to be made and the variation of details all belong to invention which is intended to be protected.
Claims (5)
1. vertical servo-hydraulic knife rest comprises:
Base (1), its upper surface are provided with fixed tooth disk (24);
Vertical shaft (2), the profile of said vertical shaft is made up of two different cylinders of diameter up and down, and the less end of external diameter is fixed on the said base (1), and the end that external diameter is bigger is fixed with bearing block (8);
Transmission system is fixed on the said bearing block (8);
The ring gear of connection fixed to one another (10) He Daotai (4); The inboard, lower end of said cutter platform (4) is fixed with active toothed disk (3); Its upper end is fixedly connected with said ring gear (10); Said fixed tooth disk is arranged on the base upper surface between said active toothed disk (3) and the vertical shaft, and the upper surface of said active toothed disk (3) and said fixed tooth disk (24) is provided with engaging tooth, and said ring gear (10) He Daotai (4) rotates through transmission system drives;
The tense-lax of stopping is opened assembly, places in said cutter platform (4) and the formed annular space of vertical shaft (2), and surrounds an airtight annular space space with said ring gear (10) and base (1); When the said tense-lax of stopping is opened assembly and is moved down; Mesh simultaneously with said active toothed disk (3) and fixed tooth disk (24) and to make said cutter platform (4) be in the tight state of stopping, open when moving on the assembly, break away from engagement with said active toothed disk (3) and fixed tooth disk (24) when the said tense-lax of stopping; Said cutter platform (4) can be done spinning movement, it is characterized in that:
Said transmission system comprises:
Reductor connected to one another (17) and servomotor (18) place the below of said bearing block (8);
One driving gear (9) places said bearing block (8) top, with the output shaft connection of said reductor (17);
One travelling gear (20) is arranged on the said bearing block (8), and with said driving gear (9) external toothing, with engagement in the said ring gear (10);
The said tense-lax of stopping is opened assembly and is comprised:
Duplex fluted disc (5) and control the tight sensor (13) of stopping that said duplex fluted disc (5) moves along said vertical shaft axis, unclamp sensor (14) and the bar of posting a letter (19),
Said duplex fluted disc (5) places in the said airtight annular space space; Form between itself and the said vertical shaft (2) and go up hydraulic cavities (21) and lower hydraulic pressure chamber (22), when last hydraulic cavities (21) during greater than the pressure in the lower hydraulic pressure chamber (22), said duplex fluted disc (5) moves down along its axis; Its lower end is meshed simultaneously with said active toothed disk (3) and fixed tooth disk (24) said cutter platform is stopped tightly; When last hydraulic cavities (21) during less than the pressure in the lower hydraulic pressure chamber (22), said duplex fluted disc (5) is along moving on its axis, and its lower end breaks away from engagement simultaneously with said active toothed disk (3) and fixed tooth disk (24); Said cutter platform unclamps
The said tight sensor of stopping is positioned at said below of unclamping sensor (14), and is fixed on the said bearing block (8),
The lower end of the said bar of posting a letter (19) is fixed on the said duplex fluted disc (5), is used to respond to the said tight sensor (13) and unclamp the position of sensor (14) stopped, and sends signal and give the control system.
2. vertical servo-hydraulic knife rest according to claim 1; It is characterized in that: the upper end of said bearing block (8) is provided with the gland (15) that is used to limit said cutter platform (4) amount of movement; Said cutter platform (4) is when being in releasing orientation, and the lower surface of said gland (15) contacts with the upper surface of said ring gear (10).
3. vertical servo-hydraulic knife rest according to claim 2; It is characterized in that: said vertical shaft is fixed with bearing pin on (2); Said bearing pin (6) is along said vertical shaft (2) axis direction setting; Said duplex fluted disc (5) is provided with the pin-and-hole (23) that supplies said bearing pin (6) to slide, and said bearing pin (6) places said pin-and-hole (23) and makes said duplex fluted disc (5) moving axially along bearing pin (6).
4. vertical servo-hydraulic knife rest according to claim 3; It is characterized in that: be provided with packed-piston (7) in the said lower hydraulic pressure chamber (22); The medial surface of said packed-piston (7) is fixed on the periphery of said vertical shaft (2), and its bottom surface is tightly connected with the upper surface of said base (1).
5. according to the described vertical servo-hydraulic knife rest of the arbitrary claim of claim 1 to 4; It is characterized in that: said airtight annular space is provided with rolling bearing (12) in the space; Said rolling bearing (12) places between said duplex fluted disc (5) and the ring gear (10), and realizes moving about support through the outer face of said vertical shaft (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105028594A CN101954494B (en) | 2010-10-11 | 2010-10-11 | Vertical servo hydraulic tool rest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105028594A CN101954494B (en) | 2010-10-11 | 2010-10-11 | Vertical servo hydraulic tool rest |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101954494A CN101954494A (en) | 2011-01-26 |
| CN101954494B true CN101954494B (en) | 2012-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105028594A Expired - Fee Related CN101954494B (en) | 2010-10-11 | 2010-10-11 | Vertical servo hydraulic tool rest |
Country Status (1)
| Country | Link |
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| CN (1) | CN101954494B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102319908A (en) * | 2011-07-26 | 2012-01-18 | 沈阳机床股份有限公司数控刀架分公司 | Vertical servo numerical control turret |
| CN105127462B (en) * | 2015-09-06 | 2017-02-22 | 烟台环球机床附件集团有限公司 | Hydraulic capstan turret enhancing braking force |
| CN114310422A (en) * | 2022-01-24 | 2022-04-12 | 苗晓飞 | Electric-drive hydraulic locking machine tool rest |
| CN114406301B (en) * | 2022-01-30 | 2023-02-07 | 海德曼（上海）自动化技术有限公司 | Knife rest |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002307212A (en) * | 2001-04-10 | 2002-10-23 | Teijin Seiki Co Ltd | Turret head driving device for turret lathe |
| JP4311705B2 (en) * | 2002-06-26 | 2009-08-12 | 中村留精密工業株式会社 | B-axis clamp structure in compound lathe |
| CN201261072Y (en) * | 2008-10-13 | 2009-06-24 | 济南一机床集团有限公司 | Vertical tool holder |
| CN201446240U (en) * | 2009-06-10 | 2010-05-05 | 烟台环球机床附件集团有限公司 | Hydraulic tool rest |
| CN201841273U (en) * | 2010-10-11 | 2011-05-25 | 烟台环球机床附件集团有限公司 | Vertical servo hydraulic knife rest |
-
2010
- 2010-10-11 CN CN2010105028594A patent/CN101954494B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN101954494A (en) | 2011-01-26 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201230 Address after: 265500 no.563, Jufu Road, Fushan District, Yantai City, Shandong Province Patentee after: YANTAI UNIVERSAL MACHINE TOOL ACCESSORY GROUP Co.,Ltd. Address before: 264001 No.1, Fenghuangtai Road, Zhifu District, Yantai City, Shandong Province Patentee before: YANTAI UNIVERSAL MACHINE TOOL ACCESSORY GROUP Co.,Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A vertical servo hydraulic tool holder Effective date of registration: 20220512 Granted publication date: 20120711 Pledgee: China Postal Savings Bank Corporation Yantai Fushan District sub branch Pledgor: YANTAI UNIVERSAL MACHINE TOOL ACCESSORY GROUP CO.,LTD. Registration number: Y2022980005480 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 |