CN204053617U - A kind of vertical metal processing center machine of screw structure improvement - Google Patents

A kind of vertical metal processing center machine of screw structure improvement Download PDF

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Publication number
CN204053617U
CN204053617U CN201420355240.9U CN201420355240U CN204053617U CN 204053617 U CN204053617 U CN 204053617U CN 201420355240 U CN201420355240 U CN 201420355240U CN 204053617 U CN204053617 U CN 204053617U
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China
Prior art keywords
screw
ball screw
bearing
center machine
processing center
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CN201420355240.9U
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Chinese (zh)
Inventor
蒋修华
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Qiaofeng Intelligent Equipment Co., Ltd
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JIR FINE MACHINERY Co Ltd
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Abstract

The utility model relates to intermetallic composite coating center machine technical field, particularly relate to the vertical metal processing center machine of a kind of screw structure improvement, comprise processing center machine body, also comprise screw mandrel body, screw mandrel body comprises ball screw, and the motor cabinet be set with in ball screw two ends, bearing block, the two ends of ball screw are all provided with bearing, end cap and locking nut, all through hole is offered in the middle part of motor cabinet and bearing block, described bearing is embedded with in through hole, end cap is fixed on bearing block and motor cabinet and carries out pretension by screw to the outer ring of bearing, locking nut is bolted in ball screw and fit in the outside of the inner side of ball screw and locking nut.Screw mandrel of the present utility model adopts two ends prestretching design, has the advantage that rigidity is high, the impact of thermal change amount is little, precision stability is high, maintenance frequency is reduced and easy to maintenance, saves maintenance cost and indirectly ensure that the efficiency of processing.

Description

A kind of vertical metal processing center machine of screw structure improvement
Technical field
The utility model relates to intermetallic composite coating center machine technical field, particularly relates to the vertical metal processing center machine of a kind of screw structure improvement.
Background technology
Intermetallic composite coating center machine and intermetallic composite coating center machine tool, be also CNC machine, is called for short machining center (English name is that Computerized Numerical Control Machine is called for short cnc).The high-efficiency automatic lathe being applicable to manufacturing complex shapes workpiece that intermetallic composite coating center machine is made up of control system, servo-drive system, detection system, machine driven system and other accessory systems.Intermetallic composite coating center machine has tool magazine, has automatic tool changer function, is the Digit Control Machine Tool to carrying out multistage manufacturing processes after workpiece clamped one time.Intermetallic composite coating center machine is the lathe of height electromechanical integration, after clamping workpiece, digital control system can control lathe and automatically select cutter, replacing cutter, automatic tool preset by different operation, automatically change the speed of mainshaft and the amount of feeding etc., the working procedures such as brill, boring, milling, hinge, tapping can be completed continuously, thus the aided process times such as clamping workpiece time, measurement and setting for machine are greatly reduced, to machining shape more complicated, required precision is higher, and variety renovation frequently part has good economic benefit.
Ball screw, it is a kind of functional part of motion that convert rotational motion is in line, owing to having very little frictional resistance, ball screw has now become a strength member of the industries such as Digit Control Machine Tool, the mounting means of ball screw also has multiple, and wherein best support mount scheme is the fixed installations in two ends, the fixed installation in general two ends, being all install by installing one group of locking nut in two end axles bearing and motor cabinet position, carrying out prestretched by it.Prestretched can make ball screw can keep in the operating precision of work, eliminates the impact of thermal stretching on precision, improves the rigidity of ball screw, precision and heat endurance.Existing ball screw is that one end adopts prestretched, and in rigidity, precision and heat endurance aspect are still weak.
Summary of the invention
The purpose of this utility model is the vertical metal processing center machine providing a kind of screw structure to improve for the deficiencies in the prior art, the screw mandrel of this intermetallic composite coating center machine adopts two ends prestretching design, has the advantage that rigidity is high, the impact of thermal change amount is little, precision stability is high.
To achieve these goals, the utility model adopts following technical scheme: a kind of vertical metal processing center machine of screw structure improvement, comprise processing center machine body, also comprise screw mandrel body, screw mandrel body comprises ball screw, and the motor cabinet be set with in ball screw two ends, bearing block, the two ends of ball screw are all provided with bearing, end cap and locking nut, all through hole is offered in the middle part of motor cabinet and bearing block, described bearing is embedded with in through hole, end cap is fixed on bearing block and motor cabinet and carries out pretension by screw to the outer ring of bearing, locking nut is bolted in ball screw and fit in the outside of the inner side of ball screw and locking nut.
Further, the side of described bearing is provided with oil sealing, and oil-sealing sleeve is connected to the outside of described ball screw.
Further, the junction of the oil sealing in described motor cabinet and described ball screw is embedded with cone spacer, conflicts with ball screw, oil sealing respectively and be connected in the inner side of cone spacer, outside.
Further, the junction of described end cap and described ball screw is provided with spacer ring, and spacer ring is socketed on the outside of ball screw, and the both sides of spacer ring are inconsistent with the inner ring of described locking nut, described bearing respectively.
Further, be provided with shaft coupling and motor in described motor cabinet, motor is fixed in motor cabinet, and one end of described ball screw is connected with motor by shaft coupling.
Further, the arranged outside of described motor cabinet has fixed block.
Further, the middle part of described ball screw is fixed with the feed screw nut for erector's station.
Further, the side of described bearing block is provided with anticollison block, and anticollison block is socketed on the outside of described ball screw.
Further, the bottom of described bearing block is plugged with alignment pin.
Further, the bottom of described bearing block is provided with cushion block.
The beneficial effects of the utility model are: the vertical metal processing center machine of a kind of screw structure improvement of the present utility model, the screw mandrel of this intermetallic composite coating center machine adopts end cap be fixed on bearing block and motor cabinet and carry out pretension by screw to the outer ring of bearing, regulate more convenient to the prestretched of ball screw, after ball screw two ends are locked by locking nut, only the screw that need adjust on end cap can carry out prestretched to ball screw, improve the convenience that later stage adjustment stretches, simultaneously can installation shaft bearing very easily, avoid bearing block when installing ball screw must accurately locate, make precision stability better, bearing is more firm.Screw mandrel of the present utility model adopts two ends prestretching design, has the advantage that rigidity is high, the impact of thermal change amount is little, precision stability is high, maintenance frequency is reduced and easy to maintenance, saves maintenance cost and indirectly ensure that the efficiency of processing.
accompanying drawing illustrates:
Fig. 1 is the structural representation of screw mandrel body described in the utility model.
Fig. 2 is the structure for amplifying schematic diagram of screw mandrel body described in the utility model.
Reference numeral is: 21-ball screw, 22-motor cabinet, 23 bearing blocks, 24-bearing, 25-end cap, 26-locking nut, 27-screw, 28-oil sealing, 29-cone spacer, 30-spacer ring, 31-shaft coupling, 32-motor, 33-fixed block, 34-feed screw nut, 35-anticollison block, 36-alignment pin, 37-cushion block.
detailed description of the invention:
For the ease of the understanding of those skilled in the art, be further described below in conjunction with embodiment and accompanying drawing 1 ~ 2 pair of the utility model, the content that embodiment is mentioned is not to restriction of the present utility model.
See Fig. 1 ~ 2, a kind of vertical metal processing center machine of screw structure improvement, comprise processing center machine body, also comprise screw mandrel body, screw mandrel body comprises ball screw 21, and the motor cabinet 22 be set with in ball screw 21 two ends, bearing block 23, the two ends of ball screw 21 are all provided with bearing 24, end cap 25 and locking nut 26, all through hole is offered in the middle part of motor cabinet 22 and bearing block 23, described bearing 24 is embedded with in through hole, end cap 25 is fixed on bearing block 23 and motor cabinet 22 and carries out pretension by the outer ring of screw 27 pairs of bearings 24, locking nut 26 is bolted in ball screw 21 and fit in the outside of the inner side of ball screw 21 and locking nut 26.
The vertical metal processing center machine of a kind of screw structure improvement of the present utility model, the screw mandrel of this intermetallic composite coating center machine adopts end cap 25 be fixed on bearing block 23 and motor cabinet 22 and carry out pretension by the outer ring of screw 27 pairs of bearings 24, regulate more convenient to the prestretched of ball screw 21, after ball screw 21 two ends are locked by locking nut 26, only the screw 27 that need adjust on end cap 25 can carry out prestretched to ball screw 21, improve the convenience that later stage adjustment stretches, simultaneously can installation shaft bearing 23 very easily, avoid bearing block 23 when installing ball screw 21 must accurately locate, make precision stability better, bearing 24 is more firm.Screw mandrel of the present utility model adopts two ends prestretching design, has the advantage that rigidity is high, the impact of thermal change amount is little, precision stability is high, maintenance frequency is reduced and easy to maintenance, saves maintenance cost and indirectly ensure that the efficiency of processing.
In the present embodiment, the side of described bearing 24 is provided with oil sealing 28, and oil sealing 28 is socketed on the outside of described ball screw 21.The setting of oil sealing 28 is for preventing the outflow of lubrication oil in bearing 24.
In the present embodiment, the oil sealing 28 in described motor cabinet 22 is embedded with cone spacer 29 with the junction of described ball screw 21, conflicts be connected with ball screw 21, oil sealing 28 respectively in inner side, the outside of cone spacer 29.The setting of cone spacer 29 is used for when ball screw 21 external diameter diminishes, and increases the external diameter of ball screw 21, guarantees the spin stabilization of ball screw 21.
In the present embodiment, described end cap 25 is provided with spacer ring 30 with the junction of described ball screw 21, and spacer ring 30 is socketed on the outside of ball screw 21, and the both sides of spacer ring 30 are inconsistent with the inner ring of described locking nut 26, described bearing 24 respectively.The setting of spacer ring 30 is used for the inner ring propping up bearing 24 further, under the locking of locking nut 26, carry out pretension to the inner ring of bearing 24, regulates more convenient to the prestretched of ball screw 21.
In the present embodiment, be provided with shaft coupling 31 in described motor cabinet 22, the side of motor cabinet 22 is fixed with motor 32, and one end of described ball screw 21 is connected with motor 32 by shaft coupling 31.Motor 32 drives ball screw 21 to rotate by shaft coupling 31.
In the present embodiment, the arranged outside of described motor cabinet 22 has fixed block 33.Motor cabinet 22 is conveniently arranged on the motor mount of saddle by arranging of fixed block 33.
In the present embodiment, the middle part of described ball screw 21 is fixed with the feed screw nut 34 for erector's station.Workbench is fixed on feed screw nut 34, and drive ball screw 21 to rotate by motor 32, ball screw 21 drives workbench to move along X-direction.
In the present embodiment, the side of described bearing block 23 is provided with anticollison block 35, and anticollison block 35 is socketed on the outside of described ball screw 21.When the setting of anticollison block 35 is used for preventing feed screw nut 34 from moving to bearing block 23 and bearing block 23 collide.
In the present embodiment, the bottom of described bearing block 23 is plugged with alignment pin 36.Bearing block 23 is conveniently fixed on the bearing mounting base of saddle by arranging of alignment pin 36.
In the present embodiment, the bottom of described bearing block 23 is provided with cushion block 37.Cushion block 37 the friction that can reduce between bearing block 23 and bearing mounting base is set, and can the height of regulating shaft bearing 23, make it parallel with motor cabinet 22, to guarantee the parallel placement of ball screw 21.
Above-described embodiment is the utility model preferably implementation, and in addition, the utility model can also realize by alternate manner, and any apparent replacement is all within protection domain of the present utility model without departing from the concept of the premise utility.

Claims (10)

1. the vertical metal processing center machine of a screw structure improvement, comprise processing center machine body, it is characterized in that: also comprise screw mandrel body, screw mandrel body comprises ball screw, and the motor cabinet be set with in ball screw two ends, bearing block, the two ends of ball screw are all provided with bearing, end cap and locking nut, all through hole is offered in the middle part of motor cabinet and bearing block, described bearing is embedded with in through hole, end cap is fixed on bearing block and motor cabinet and carries out pretension by screw to the outer ring of bearing, locking nut is bolted in ball screw and fit in the outside of the inner side of ball screw and locking nut.
2. the vertical metal processing center machine of a kind of screw structure improvement according to claim 1, it is characterized in that: the side of described bearing is provided with oil sealing, oil-sealing sleeve is connected to the outside of described ball screw.
3. the vertical metal processing center machine of a kind of screw structure improvement according to claim 1, it is characterized in that: the junction of the oil sealing in described motor cabinet and described ball screw is embedded with cone spacer, conflicts with ball screw, oil sealing respectively and is connected in the inner side of cone spacer, outside.
4. the vertical metal processing center machine of a kind of screw structure improvement according to claim 1, it is characterized in that: the junction of described end cap and described ball screw is provided with spacer ring, spacer ring is socketed on the outside of ball screw, and the both sides of spacer ring are inconsistent with the inner ring of described locking nut, described bearing respectively.
5. the vertical metal processing center machine of a kind of screw structure improvement according to claim 1, it is characterized in that: in described motor cabinet, be provided with shaft coupling and motor, motor is fixed in motor cabinet, and one end of described ball screw is connected with motor by shaft coupling.
6. the vertical metal processing center machine of a kind of screw structure improvement according to claim 1, is characterized in that: the arranged outside of described motor cabinet has fixed block.
7. the vertical metal processing center machine of a kind of screw structure improvement according to claim 1, is characterized in that: the middle part of described ball screw is fixed with the feed screw nut for erector's station.
8. the vertical metal processing center machine of a kind of screw structure improvement according to claim 1, it is characterized in that: the side of described bearing block is provided with anticollison block, anticollison block is socketed on the outside of described ball screw.
9. the vertical metal processing center machine of a kind of screw structure improvement according to claim 1, is characterized in that: the bottom of described bearing block is plugged with alignment pin.
10. the vertical metal processing center machine of a kind of screw structure improvement according to claim 1, is characterized in that: the bottom of described bearing block is provided with cushion block.
CN201420355240.9U 2014-06-30 2014-06-30 A kind of vertical metal processing center machine of screw structure improvement Active CN204053617U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420355240.9U CN204053617U (en) 2014-06-30 2014-06-30 A kind of vertical metal processing center machine of screw structure improvement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420355240.9U CN204053617U (en) 2014-06-30 2014-06-30 A kind of vertical metal processing center machine of screw structure improvement

Publications (1)

Publication Number Publication Date
CN204053617U true CN204053617U (en) 2014-12-31

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105415193A (en) * 2015-11-30 2016-03-23 北京中电科电子装备有限公司 Grinding wheel dressing device
CN105922049A (en) * 2016-07-08 2016-09-07 江苏元利数控机床有限公司 Ball screw prestretching mechanism and prestretching method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105415193A (en) * 2015-11-30 2016-03-23 北京中电科电子装备有限公司 Grinding wheel dressing device
CN105922049A (en) * 2016-07-08 2016-09-07 江苏元利数控机床有限公司 Ball screw prestretching mechanism and prestretching method thereof

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Address after: Room 101, No. 632, Changdong Road, Changping Town, Dongguan City, Guangdong Province

Patentee after: Qiaofeng Intelligent Equipment Co., Ltd

Address before: 523558, Changping Town, Guangdong, Dongguan province Chen Chen Bei Cun Chang Dong Road, Dongguan Feng Feng Machinery Co., Ltd.

Patentee before: Jir Fine Machinery Co., Ltd.