CN206140193U - Magnetic suspension machining center weighting system - Google Patents

Magnetic suspension machining center weighting system Download PDF

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Publication number
CN206140193U
CN206140193U CN201621154933.7U CN201621154933U CN206140193U CN 206140193 U CN206140193 U CN 206140193U CN 201621154933 U CN201621154933 U CN 201621154933U CN 206140193 U CN206140193 U CN 206140193U
Authority
CN
China
Prior art keywords
head
machining center
pipeline
magnetic suspension
weighting system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201621154933.7U
Other languages
Chinese (zh)
Inventor
陈志明
何轸炎
谢进义
王�琦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujian Zhengfeng Nc Technology Co Ltd
Original Assignee
Fujian Zhengfeng Nc Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujian Zhengfeng Nc Technology Co Ltd filed Critical Fujian Zhengfeng Nc Technology Co Ltd
Priority to CN201621154933.7U priority Critical patent/CN206140193U/en
Application granted granted Critical
Publication of CN206140193U publication Critical patent/CN206140193U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a magnetic suspension machining center weighting system, the solenoid valve that is used for controlling the pipeline break -make is connected with controlling means to the compressed air source, the setting that have compressed gas's gas holder including setting up the counter weight jar is connected with the aircraft nose on the aircraft nose mounting bracket, connecting counter weight jar and storage, set up normal close formula pneumatic brake ware in the counter weight jar, be connected through pipeline and pneumatic brake ware on the pipeline. The utility model discloses can be in the aircraft nose up -and -down motion, the gas holder makes the counter weight jar support the weight of aircraft nose in order to offset the aircraft nose through provide compressed gas or oil to the counter weight jar, it is more stable to make the head motion, put forward high pressure heater worker precision, reduce motor output power demand, enlarge the motor choice, and the service life of the motors can be prolonged, when machining center outage or compressed gas insufficient pressure, the solenoid valve is closed the pipeline and is let out compressed air side by side and make pneumatic brake ware closure hold the piston rod tightly, thereby make the aircraft nose stop motion, prevent that the aircraft nose from damaging, moreover, the steam generator is simple in structure, control accurately.

Description

A kind of magnetic suspension machining center Weighting system
Technical field
This utility model is related to a kind of magnetic suspension machining center Weighting system.
Background technology
Machinery industry Digit Control Machine Tool by traditional screw rod as axially driving, but, screw-rod structure is in life-time service process In can there are abrasion, cause axial deterioration in accuracy, service life is not long.And screw rod is slender type steel part material, long-term high speed is past Multiple motion, is affected by environment and using temperature, there is the physical phenomenon expanded with heat and contract with cold, it is impossible to meet the application need of superhigh precision Will.
For this purpose, drive progressively replaced by magnetic suspension (linear electric motors), but magnetic suspension (linear electric motors) lathe is on Z axis In lower motor process, there is a problem of how realizing that counterweight balances and how to prevent from falling under head when lathe breaks down.
Utility model content
The purpose of this utility model is, for the deficiencies in the prior art, to propose a kind of magnetic suspension machining center Weighting system, Z axis load balance can be made in head moves up and down, lathe quits work or during failure, can prevent by aerodynamic brake device Fall under head, simple structure is easily controlled.
This utility model is achieved through the following technical solutions:
A kind of magnetic suspension machining center Weighting system, machining center includes head installing rack, is arranged on head installing rack The head for moving up and down and the control device being connected with linear electric motors are driven by linear electric motors, including being arranged on head installing rack The counterweight cylinders that are connected with head, connect counterweight cylinders and the air accumulator of the compressed gas that are stored with, the normally closed type that is arranged in counterweight cylinders Aerodynamic brake device, the compressed air source being connected with aerodynamic brake device by pipeline, it is arranged on pipeline and be connected use with control device In the electromagnetic valve of control pipeline break-make, air accumulator is used to make counterweight cylinders support head to offset the weight of head, and control device can Control electromagnetic valve is opened and turns on pipeline, the piston rod of release counterweight cylinders is opened after the ventilation of aerodynamic brake device, so that head can Move up and down, when power is off, closed electromagnetic valve pipeline lets out side by side compressed air makes aerodynamic brake device closure hold piston rod tightly.
Further, the pressure tester being connected with the control device is also included, for measuring the compressed air source pressure Force value simultaneously feeds back to the control device, and when compressed air source insufficient pressure, the control device controls the electromagnetic valve and closes Compressed air is let out side by side in stopped pipe road, makes aerodynamic brake device closure hold the piston rod tightly.
Further, the counterweight cylinders include cylinder body, the piston being movably arranged in cylinder body and the work being arranged on piston Cylinder interior is separated into upper and lower chamber by stopper rod, piston, and the air accumulator is connected with cavity of resorption and stretched out for ordering about piston rod, epicoele With atmosphere.
Further, the cylinder body of the counterweight cylinders is arranged on the head installing rack, the piston rod and the head Connection.
Further, the compressed air source is supplied by being arranged on the check valve on the air accumulator to the air accumulator Gas, air accumulator provides compressed air to the counterweight cylinders makes counterweight cylinders support head to offset the weight of head.
Further, also including being arranged on the filter that is connected with the compressed air source and check valve respectively, the survey Pressure device is arranged on the filter.
Further, the air bag full of nitrogen is provided with the air accumulator, other area filling oil, gas storage in air accumulator Tank provides oil to counterweight cylinders makes counterweight cylinders support head to offset the weight of head.
Further, the filter being connected with the compressed air source is also included, the pressure tester is arranged on filter On.
This utility model has the advantages that:
In head up and down motion, air accumulator makes counterweight to this utility model by providing compressed gas or oil to counterweight cylinders Cylinder supports head to offset the weight of head, makes head motion more stable, improves machining accuracy, and reducing output power of motor needs Ask, expand selection of Motor scope, extend motor service life, when machining center power-off or not enough compressed air pressure, electricity Magnet valve closing pipeline lets out side by side compressed air makes aerodynamic brake device closure hold piston rod tightly, so that head stop motion, prevents Head is damaged, simple structure, and control is accurate.
Description of the drawings
This utility model is described in further details below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of this utility model machining center.
Fig. 2 is this utility model machining center X-axis travel mechanism structural representation.
Fig. 3 is this utility model machining center Y-axis moving mechanism structural representation.
Fig. 4 is this utility model machining center Z axis travel mechanism structural representation.
Fig. 5 is the structural representation of the embodiment of this utility model one.
Fig. 6 is the structural representation of another embodiment of this utility model.
Specific embodiment
As shown in Figures 1 to 6, magnetic suspension gantry machining center includes that base 1, relative spacing is arranged on base 1 two Column 2, the crossbeam 3 being arranged between two columns 2, the tool magazine 7 for being arranged on the side of crossbeam 3, can transverse horizontal be movably arranged at First slide 4 on crossbeam 3, can the second slide 5, liftable that is movably arranged on base 1 of vertical equity movably arrange Head installing rack 63 in first slide 4, the head 6 on head installing rack 63, it is rotatably arranged in the second cunning Seat 5 on object stage 51, be arranged between second slide 5 and object stage 51 be used for driving objective table 51 rotate a DD horses Move up to, the X-axis travel mechanism that is arranged between crossbeam 3 and first slide 4, the Y-axis being arranged between base 1 and second slide 5 Motivation structure, the Z axis travel mechanism being arranged between first slide 4 and head installing rack 63, respectively with X, Y, Z axis travel mechanism and The control device of the first DD motors connection and the Weighting system being connected with control device, X, Y, Z axis travel mechanism includes straight line Motor, X-axis travel mechanism also includes moving along the x-axis the X-axis optical ruler 33 of direction setting, and Y-axis moving mechanism also includes being moved along Y-axis The Y-axis optical ruler 13 that dynamic direction is arranged, Z axis travel mechanism also includes the Z axis optical ruler 42 arranged along Z axis moving direction, control Device is connected to form closed loop control with each optical ruler and linear electric motors respectively, and head 6 includes being rotatably provided in head installing rack Reversing frame 61 on 63, the main shaft 62 being arranged on reversing frame 61, be provided between head installing rack 63 and reversing frame 61 with 2nd DD motors of control device connection, the 2nd DD motors are used to drive reversing frame 61 to rotate, and a DD motors can drive loading Platform 51 realizes 360 degree of rotations, and the 2nd DD motors can drive reversing frame 61 to realize ± 105 degree of rotations, and tool magazine 7 is used for as main shaft 62 more Tool changing head.
First slide 4 is movably disposed on crossbeam 3 by two X-axis line slideways 31, and two X-axis line slideways 31 are spaced It is arranged on crossbeam 3, the linear electric motors of X-axis travel mechanism include the He of X-axis magnetic sheet 32 being arranged between two X-axis line slideways 31 The X-axis coil 34 being arranged in first slide 4, second slide 5 is movably disposed at base 1 by two Y-axis line slideways 11 On, Y-axis line slideway 11 is disposed on base 1, and the linear electric motors of Y-axis moving mechanism include that being arranged in two Y-axis straight lines leads Y-axis magnetic sheet 12 between rail 11 and the Y-axis coil 14 being arranged in the second slide 5, the head installing rack 63 is by setting The slide 64 put on head installing rack 63 is engaged with two Z axis line slideways 41, is movably disposed at the first slide 4 On, the Z axis travel mechanism includes the Z axis magnetic sheet 43 being arranged between two Z axis line slideways 41 and is arranged on the head peace Shelve the z axis circle 44 on 63.
Base 1, crossbeam 3 are natural marble stone material and make, and main shaft 62 is that the electricity of 30000 turns of 5.5Kw/4.5N.m is main Axle, it is ensured that spindle vibration is less than 0.1G when 10000 turns, and the freezing for being cooled down to main shaft bearing is provided with main spindle box Liquid.
Weighting system include being arranged on be connected with head 6 on head installing rack 63 counterweight cylinders 7, connect and counterweight cylinders 7 and deposit The air accumulator 8 that contains compressed air, the normally closed type aerodynamic brake device 71 being arranged in counterweight cylinders 7, by pipeline and aerodynamic brake The compressed air source 9 of the connection of device 71, it is arranged on pipeline and is connected to the electromagnetic valve 73 of control pipeline break-make, sets with control device The filter 75 of pressure tester 74 is equipped with, counterweight cylinders 7 include cylinder body 76, the piston being movably arranged in cylinder body 76 and are arranged on work Piston rod 77 beyond the Great Wall, piston is connected epicoele and cavity of resorption, air accumulator 8 is separated into inside cylinder body 76 for ordering about piston with cavity of resorption Bar 77 stretches out, epicoele and atmosphere, and being provided with air accumulator 8 can check the pressure gauge 82 of gas pressure value in air accumulator 8, cylinder Body is arranged on head installing rack 63, and piston rod 77 is connected with head 6, and air accumulator 8 is used to make counterweight cylinders 7 support head 6 to support Disappear the weight of head 6, and control device control electromagnetic valve 73 is opened and turns on pipeline, and aerodynamic brake device 71 is opened release and matched somebody with somebody after ventilating The piston rod 77 of weight cylinder 7, so that head 6 can move up and down, when power is off, electromagnetic valve 73 is closed pipeline and lets out compressed air side by side The closure of aerodynamic brake device 71 is set to hold piston rod 77 tightly, so that the stop motion of head 6, pressure tester 74 is used to measure compressed air The pressure value is simultaneously fed back to control device by the pressure value in source 9, when 9 insufficient pressure of compressed air source, control device control electricity Magnet valve 73 is closed pipeline and lets out compressed air side by side, makes the closure of aerodynamic brake device 71 hold piston rod 77 tightly, so that head 6 stops fortune It is dynamic, in one embodiment, as shown in figure 5, compressed air source 9 is carried by the check valve 81 being arranged on air accumulator 8 to air accumulator 8 For compressed air, air accumulator 8 provides compressed air to counterweight cylinders 7 makes counterweight cylinders 7 support head 6 to offset the weight of head 6, mistake Filter 75 is connected respectively with compressed air source 9 and check valve 81, in another embodiment, as shown in fig. 6, arranging in air accumulator 8 There is the air bag full of nitrogen 84, other area filling oil 83 in air accumulator 8, air accumulator 8 provides oil and makes counterweight cylinders 7 to counterweight cylinders Support head 6 to offset the weight of head 6.The above, preferred embodiment only of the present utility model, therefore can not be limited with this Determine the scope of this utility model enforcement, i.e., the equivalence changes made according to this utility model claim and description with Modification, all should still belong in the range of this utility model patent covers.

Claims (8)

1. a kind of magnetic suspension machining center Weighting system, machining center include head installing rack, be arranged on head installing rack by Linear electric motors drive the head for moving up and down and the control device being connected with linear electric motors, it is characterised in that:Including being arranged on machine The counterweight cylinders that are connected with head on head installing rack, connect counterweight cylinders and the air accumulator of the compressed gas that are stored with, be arranged on counterweight cylinders In normally closed type aerodynamic brake device, be connected with aerodynamic brake device by pipeline compressed air source, be arranged on pipeline and control Device is connected to the electromagnetic valve of control pipeline break-make, and air accumulator is used to make counterweight cylinders support head to offset the weight of head, The controllable electromagnetic valve of control device is opened and turns on pipeline, and the piston rod of release counterweight cylinders is opened after the ventilation of aerodynamic brake device, from And make head to move up and down, when power is off, closed electromagnetic valve pipeline lets out side by side compressed air holds aerodynamic brake device closure tightly Piston rod.
2. a kind of magnetic suspension machining center Weighting system according to claim 1, it is characterised in that:Also include and the control The pressure tester of device connection processed, for measuring the compressed air source pressure value and feeding back to the control device, works as compression When air source pressure is not enough, the control device controls the closed electromagnetic valve pipeline and lets out compressed air side by side, makes aerodynamic brake Device closure holds the piston rod tightly.
3. a kind of magnetic suspension machining center Weighting system according to claim 2, it is characterised in that:The counterweight cylinders include Cylinder body, the piston being movably arranged in cylinder body and the piston rod being arranged on piston, piston is separated into cylinder interior upper and lower Chamber, the air accumulator is connected with cavity of resorption and stretched out for ordering about piston rod, epicoele and atmosphere.
4. a kind of magnetic suspension machining center Weighting system according to claim 3, it is characterised in that:The cylinder of the counterweight cylinders Body is arranged on the head installing rack, and the piston rod is connected with the head.
5. a kind of magnetic suspension machining center Weighting system according to Claims 2 or 3 or 4, it is characterised in that:The compression Air source is supplied by being arranged on the check valve on the air accumulator to the air accumulator, and air accumulator to the counterweight cylinders provide pressure Contracting air makes counterweight cylinders support head to offset the weight of head.
6. a kind of magnetic suspension machining center Weighting system according to claim 5, it is characterised in that:Also include being arranged on point The filter not being connected with the compressed air source and check valve, the pressure tester is arranged on the filter.
7. a kind of magnetic suspension machining center Weighting system according to Claims 2 or 3 or 4, it is characterised in that:The gas storage The air bag full of nitrogen is provided with tank, other area filling oil in air accumulator, air accumulator provides oil and makes counterweight cylinders to counterweight cylinders Support head to offset the weight of head.
8. a kind of magnetic suspension machining center Weighting system according to claim 7, it is characterised in that:Also include and the pressure The filter of contracting air source connection, the pressure tester is arranged on the filter.
CN201621154933.7U 2016-10-31 2016-10-31 Magnetic suspension machining center weighting system Withdrawn - After Issue CN206140193U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621154933.7U CN206140193U (en) 2016-10-31 2016-10-31 Magnetic suspension machining center weighting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621154933.7U CN206140193U (en) 2016-10-31 2016-10-31 Magnetic suspension machining center weighting system

Publications (1)

Publication Number Publication Date
CN206140193U true CN206140193U (en) 2017-05-03

Family

ID=58622239

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621154933.7U Withdrawn - After Issue CN206140193U (en) 2016-10-31 2016-10-31 Magnetic suspension machining center weighting system

Country Status (1)

Country Link
CN (1) CN206140193U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106312674A (en) * 2016-10-31 2017-01-11 福建省正丰数控科技有限公司 Magnetic suspension machining center counterweight system
CN109340049A (en) * 2018-11-15 2019-02-15 中国华能集团清洁能源技术研究院有限公司 A kind of wind-power electricity generation hydrogen manufacturing brake apparatus and method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106312674A (en) * 2016-10-31 2017-01-11 福建省正丰数控科技有限公司 Magnetic suspension machining center counterweight system
CN106312674B (en) * 2016-10-31 2017-12-29 福建省正丰数控科技有限公司 A kind of magnetic suspension machining center Weighting system
CN109340049A (en) * 2018-11-15 2019-02-15 中国华能集团清洁能源技术研究院有限公司 A kind of wind-power electricity generation hydrogen manufacturing brake apparatus and method
CN109340049B (en) * 2018-11-15 2024-03-19 中国华能集团清洁能源技术研究院有限公司 Braking device and method for producing hydrogen by wind power generation

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GR01 Patent grant
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20170503

Effective date of abandoning: 20171229

AV01 Patent right actively abandoned