CN207930370U - A kind of feed arrangement - Google Patents
A kind of feed arrangement Download PDFInfo
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- CN207930370U CN207930370U CN201721634440.8U CN201721634440U CN207930370U CN 207930370 U CN207930370 U CN 207930370U CN 201721634440 U CN201721634440 U CN 201721634440U CN 207930370 U CN207930370 U CN 207930370U
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Abstract
A kind of feed arrangement belongs to mechanical equipment processing technique field；Including baffle ring (1), bearing A (2), bearing block A (3), ball screw assembly, (4), connector (5), bearing B (6), bearing block B (7), gland (8), round nut (9), shaft coupling (10), retarder (11), servo-drive system (12)；Ball screw assembly, is made of leading screw, nut, ball, and servo-drive system is made of servo motor, servo-control system, and bearing block A, bearing block B are fixed on planker；Bearing A, bearing B are seated in bearing block A, in the holes bearing block B by baffle ring, leading screw shoulder and the leading screw shaft shoulder, round nut respectively；Leading screw passes through bearing A, bearing B by bearing block A, bearing block B supports, and shaft coupling is by being keyed ball screw assembly, and reducer output shaft, the servo motor connection of reducer input shaft and servo-drive system.Present apparatus feed accuracy is high, and low-speed performance is good, and inertia is small, parking is fast, and anti-overload ability is strong.
Description
Technical field
This experiment is novel to be related to a kind of feed arrangement, belongs to mechanical equipment processing technique field.
Background technology
In the machining of heavy caliber flat head chamfering, feed arrangement is fed for Tool in Cutting, and cutter fast feed returns, because
Cutting feed speed differs greatly with fast feed speed, at present way be using two sets driving devices respectively to cutting feed and
Fast feed provides driving, and work drives into variable-frequency motor, and because variable-frequency motor speed adjustable range is narrow, F.F. is driven using alternating current generator,
Electromagnetic clutch switches work into F.F., and this way not only wastes material, and man-hour requirement is added to be driven according to feeding demand switching
Dynamic device, it is time-consuming and laborious, operational issue is easy tod produce, and due to being entirely that mechanical system is realized, since feed speed cannot essence
Thin control so that machining accuracy is not high.Now, for servo-control system due to speed-regulating range width, control accuracy is high, has been widely used
In mechanical processing industry, therefore, there is an urgent need to a set of at present, and the driving device based on servo-control system is realized under cutting state
It can accurately control quick and feeds at a slow speed.
Invention content
When being cut purpose of the utility model is to solve large-scale chamfering device the F.F. of headstock cutter, rewind and work into
The problem of speed control, proposes a kind of feed arrangement, which can solve the above problems, while can also realize to head of a bed case rows
Into accurately controlling for position.The device can be widely applied to the feeding control of existing machinery equipment.
The purpose of this utility model is achieved through the following technical solutions：
A kind of feed arrangement is mainly by baffle ring, bearing A, bearing block A, ball screw assembly, connector, bearing B, bearing block
B, gland, round nut, shaft coupling, retarder, servo-drive system composition；
Baffle ring is used for bearing A axially positions；Using standard circlip for shaft；
Bearing A is used to support ball screw assembly, front end；
Preferably, frictional resistance when to reduce leading screw rotation, the bearing A use single-row radial ball bearing；
Bearing block A is used to support bearing A；It is machined with horizontal direction endoporus among it with bearing outer ring to coordinate, bearing A is packed into
In its hole, bottom uses planar structure, for being fixed on planker；
Ball screw assembly, is used to the convert rotational motion of servo motor be straight line headstock feed motion, mainly by silk
Thick stick, nut, ball, reverser composition, are designed with the helicla flute of semicircular arc, when they are set in together on leading screw and nut
When just form the nut rolling way of ball；There is ball return on nut, the both ends of a few ring nut raceways is connected, structure
At closed cycle raceway, and ball is filled in raceway；When leading screw rotates, ball not only rotation but also had followed in raceway along raceway
Ring rotates, to force nut to move axially；It is between two bearings A, B；
Connector is connected for headstock with ball screw assembly, top nut, and the linear motion of nut is passed to headstock,
It is disk-like structure, and top is equipped with unthreaded hole for being connect with headstock, and lower part is equipped with a macropore, surrounding is evenly distributed with unthreaded hole, and leading screw is worn
Macropore is crossed, unthreaded hole is used to connect by bolts and nuts；
Bearing B is used to support ball screw assembly, rear end, limitation leading screw axial movement, bears axial load；
Preferably, the bearing B6 uses two taper roll bearings, back-to-back arrangement；
Bearing block B is used to support bearing B and limits its axial movement, and endoporus and the outer rings bearing B are machined among bearing block
Cooperation, endoporus centre process boss, and for positioning the outer rings bearing B, lower part processes unthreaded hole, for being connected by bolt and planker maintenance
It connects；
Gland processes unthreaded hole for compressing the outer rings bearing B, surrounding, for being connect with bearing block B by bolt；
Round nut is used for bearing B inner ring axially positions, is standard component.
Shaft coupling is used for passing power, by being keyed the leading screw and reducer output shaft of ball screw assembly, using standard
Elastic dowel pin shaft coupling；
Retarder increases output torque for reducing rotating speed, and input shaft is connect by key with servo motor, and output shaft passes through
Key is connect with shaft coupling, is standard component；
Servo-drive system is for providing feeding power, control feed speed and supplying position；By servo motor, SERVO CONTROL system
System composition；
Connection relation：
Bearing block A is fixed on planker by bolt by bottom unthreaded hole；Bearing A is placed in bearing block A upper axis bearing bore；Axis
It holds A to be attached on the leading screw of ball screw assembly, shoulder is machined on leading screw, bearing A inner rings one end is close to leading screw shoulder, and baffle ring is stuck in
On leading screw in positioning ring groove, the bearing A inner ring other ends, axial restraint, to make bearing inner race be fixedly connected with leading screw are abutted；Axis
Bearing A supports ball screw assembly, front end by bearing A, while the leading screw of ball screw assembly, can rotate in bearing block A；Connector
Be fixedly connected with headstock across upper part unthreaded hole by bolt, leading screw passes through macropore, bolt by unthreaded hole around the macropore of lower part, with
Screw hole is fixedly connected on the nut of ball screw assembly, and nut, connector, headstock are integrally formed, and ensures that headstock and nut are same
Step movement；Headstock is placed on the flat-V composite guideways of planker, can horizontal linear movement, the nut rotation of ball screw assembly, is free
Degree is limited；Bearing block B is bolted on planker, and bearing B is packed into bearing block B upper bearing apertures, gland passes through bolt
It is connected on bearing block B, the outer rings fixing bearing B, the leading screw rear portion outer diameter shaft shoulder fixing bearing B inner rings side of ball screw assembly,
Round nut is tightened on leading screw, the fixing bearing B inner rings other side；Since two taper roll bearings are back-to-back arrangements, limitation
Leading screw is axially moved and bears axial force, while bearing block B plays the role of supporting ball screw assembly, rear end；Shaft coupling passes through key
Connect ball screw assembly, and reducer output shaft, the servo motor connection of reducer input shaft and servo-drive system.
Advantageous effect
Using servo motor driving, servo system control, solves equipment cutting feed speed and fast feed speed phase
The problem of driving control system complexity when difference is very big, new system feed accuracy is high, and low-speed performance is good, and inertia is small, parking is fast, anti-mistake
Loading capability is strong.
Description of the drawings
Fig. 1 is feed arrangement structural schematic diagram；
Fig. 2 is feed arrangement vertical view in Fig. 1；
Fig. 3 is feed arrangement side view in Fig. 1；
Reference numeral：1- baffle rings, 2- bearing A, 3- bearing block A, 4- ball screw assembly, 5- connectors, 6- bearing B, 7- axis
Bearing B, 8- gland, 9- round nuts, 10- shaft couplings, 11- retarders, 12- servo-drive systems, 13- headstocks, 14- plankers.
Specific implementation mode
Preferred embodiments of the present invention combination attached drawing is described in detail below.
As shown in Figure 1, 2, 3, a kind of feed arrangement is mainly by baffle ring 1, bearing A2, bearing block A3, ball screw assembly, 4, company
Junctor 5, bearing B6, bearing block B7, gland 8, round nut 9, shaft coupling 10, retarder 11, servo-drive system 12 form；
Baffle ring 1 is used for bearing A2 axially positions；Using standard circlip for shaft；
Bearing A2 is used to support 4 front end of ball screw assembly,；
Preferably, frictional resistance when to reduce leading screw rotation, the bearing A2 use single-row radial ball bearing；
Bearing block A3 is used to support bearing A2；It is machined with horizontal direction endoporus among it with bearing outer ring to coordinate, bearing A2
It is fitted into its hole, bottom uses planar structure, for being fixed on planker 14；
Ball screw assembly, 4 is used to the convert rotational motion of servo motor be 13 feed motion of straight line headstock, main
It is made of leading screw, nut, ball, reverser, the helicla flute of semicircular arc is designed on leading screw and nut, when they are sleeved on
Just the nut rolling way of ball is formd when together；There is ball return on nut, the both ends of a few ring nut raceways are connected
Come, constitutes closed cycle raceway, and fill ball in raceway；When leading screw rotates, ball not only rotation but also edge in raceway
Raceway cycle rotation, to force nut to move axially；It is between two bearings A, B；
Connector 5 is connected for headstock 13 with 4 top nut of ball screw assembly, and the linear motion of nut is passed to the head of a bed
Case 13 is disk-like structure, and top is equipped with unthreaded hole for being connect with headstock 13, and lower part is equipped with a macropore, surrounding is evenly distributed with unthreaded hole,
Leading screw passes through macropore, unthreaded hole to be used to connect by bolts and nuts；
Bearing B6 is used to support 4 rear end of ball screw assembly, limitation leading screw axial movement, bears axial load；
Preferably, the bearing B6 uses two taper roll bearings, back-to-back arrangement；
Bearing block B7 is used to support bearing B6 and limits its axial movement, is machined among bearing block outside endoporus and bearing B6
Circle cooperation, endoporus centre process boss, and for positioning the outer rings bearing B6, lower part processes unthreaded hole, for passing through bolt and planker 14
Maintenance connects；
Gland 8 processes unthreaded hole for compressing the outer rings bearing B6, surrounding, for being connect with bearing block B7 by bolt；
Round nut 9 is used for bearing B6 inner ring axially positions, is standard component.
Shaft coupling 10 is used for passing power, by being keyed the leading screw and 11 output shaft of retarder of ball screw assembly, 4, uses
Standard elastic pin coupler；
Retarder 11 increases output torque for reducing rotating speed, and input shaft is connect by key with servo motor, and output shaft is logical
It crosses key to connect with shaft coupling 10, is standard component；
Servo-drive system 12 is for providing feeding power, control feed speed and supplying position；By servo motor, SERVO CONTROL
System forms；
Connection relation：
Bearing block A3 is fixed on planker 14 by bolt by bottom unthreaded hole；Bearing A2 is placed in bearing block A3 upper bearings
In hole；Bearing A2 is attached on the leading screw of ball screw assembly, 4, and shoulder is machined on leading screw, and bearing A2 inner rings one end is close to leading screw platform
Shoulder, baffle ring 1 are stuck on leading screw in positioning ring groove, abut the bearing A2 inner ring other ends, axial restraint, to make bearing A inner rings with
Leading screw is fixedly connected；Bearing block A3 supports 4 front end of ball screw assembly, by bearing A2, while the leading screw of ball screw assembly, 4 can be
Rotation in bearing block A3；Connector 5 is fixedly connected with headstock 13 by bolt across upper part unthreaded hole, and leading screw passes through macropore, spiral shell
Bolt is fixedly connected by unthreaded hole around the macropore of lower part with screw hole on the nut of ball screw assembly, 4, nut, connector 5, headstock
13 are integrally formed, and ensure that headstock 13 is moved synchronously with nut；Headstock 13 is placed on the flat-V composite guideways of planker 14, can
Horizontal linear moves, and the nut rotation degree of freedom of ball screw assembly, 4 is limited；Bearing block B7 is bolted on planker 14
On, bearing B6 is packed into bearing block B7 upper bearing apertures, gland is bolted on bearing block B7, the outer rings fixing bearing B6,
The leading screw rear portion outer diameter shaft shoulder fixing bearing B inner rings side of ball screw assembly, 4, round nut 9 are tightened on leading screw, fixing bearing B6
The inner ring other side；Since two taper roll bearings are back-to-back arrangements, limit leading screw and be axially moved and bear axial force, together
When bearing block B7 play the role of supporting 4 rear end of ball screw assembly,；Shaft coupling 10 is by being keyed ball screw assembly, 4 and retarder 11
Output shaft, 11 input shaft of retarder are connect with the servo motor of servo-drive system 12.
The course of work：
This feed arrangement is installed on chamfering device planker 14, headstock 13 is placed on 14 guide rail of planker, feeding dress
Set and connect with headstock 13 by connector 5, when feeding be slowed down by speed reducer 11 by the servo motor of servo-drive system 12, then
Shaft coupling 10 is driven to rotate, shaft coupling 10 drives the leading screw of ball screw assembly, 4 to rotate by key, and leading screw is due to by bearing B6 axis
It is axial immovable to limitation, it only rotates, the nut rotary motion of ball screw assembly, 4 is limited, and nut can only be along silk
Thick stick moves in a straight line, and nut drives connector 5 to do tandem movement, and connector 5 drives 13 cutter of headstock to do feed motion,
Servo motor convert rotational motion is moved for 13 straight-line feed of headstock, headstock 13 is realized in the positive and negative rotation of servo motor
Cutter makees feed motion.Due to servo motor speed-regulating range width, servo system control servo motor is quick or slowly runs,
Realize headstock 13 F.F. and work into；Servo motor closed loop uses, and signal is transmitted to system at any time, accurately controls cutting position
It sets.Servo-drive system, by network communication mode, forms electromechanical integration with PC application.PC machine is using man-machine right
Interface is talked about, will appreciate that product information and working condition, and parameter setting can be carried out.
Above-described specific descriptions have carried out further in detail the purpose, technical solution and advantageous effect of utility model
It describes in detail bright, it should be understood that the foregoing is merely specific embodiment of the utility model, is not used to limit this practicality
Novel protection domain, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done,
It should be included in the scope of protection of the utility model.
Claims (3)
1. a kind of feed arrangement, it is characterised in that：Including baffle ring (1), bearing A (2), bearing block A (3), ball screw assembly, (4),
Connector (5), bearing B (6), bearing block B (7), gland (8), round nut (9), shaft coupling (10), retarder (11), servo system
It unites (12)；
Baffle ring (1) is used for bearing A (2) axially position；Using standard circlip for shaft；
Bearing A (2) is used to support ball screw assembly, (4) front end；
Bearing block A (3) is used to support bearing A (2)；It is machined with horizontal direction endoporus among it with bearing A (2) outer ring to coordinate, bottom
Portion uses planar structure, for being fixed on planker；
Ball screw assembly, (4) is used to the convert rotational motion of servo motor be straight line headstock feed motion, mainly by silk
Thick stick, nut, ball, reverser composition；It is loaded between bearing A (2), bearing B (6)；
Connector (5) is connected for headstock with ball screw assembly, (4) top nut, and the linear motion of nut is passed to the head of a bed
Case is disk-like structure, and top is equipped with unthreaded hole for being connect with headstock, and lower part is equipped with a macropore, surrounding is evenly distributed with unthreaded hole, leading screw
Across macropore, unthreaded hole is used to connect by bolts and nuts；
Bearing B (6) is used to support ball screw assembly, (4) rear end, limitation leading screw axial movement, bears axial load；
Bearing block B (7) is used to support bearing B (6) and limits its axial movement, and endoporus and bearing B (6) are machined among bearing block
Outer ring coordinates, and boss is processed among endoporus, and for positioning bearing B (6) outer ring, lower part processes unthreaded hole, for passing through bolt and dragging
Plate maintenance connects；
Gland (8) processes unthreaded hole for compressing bearing B (6) outer ring, surrounding, for being connect with bearing block B (7) by bolt；
Round nut (9) is used for bearing B (6) inner ring axially position；
Shaft coupling (10) is used for passing power, by being keyed the leading screw and retarder (11) output shaft of ball screw assembly, (4), adopts
With standard elastic pin coupler；
Retarder (11) increases output torque for reducing rotating speed, and input shaft is connect by key with servo motor, and output shaft passes through
Key is connect with shaft coupling (10)；
Servo-drive system (12) is for providing feeding power, control feed speed and supplying position；By servo motor, SERVO CONTROL system
System composition；
Connection relation：
Bearing block A (3) is fixed on planker by bolt by bottom unthreaded hole；Bearing A (2) is placed in bearing block A (3) upper axis bearing bore
It is interior；Bearing A (2) is attached on the leading screw of ball screw assembly, (4), and shoulder is machined on leading screw, and bearing A (2) inner ring one end is close to silk
Thick stick shoulder, baffle ring (1) are stuck on leading screw in positioning ring groove, abut bearing A (2) inner ring other end, axial restraint, to make bearing
A (2) inner ring is fixedly connected with leading screw；Bearing block A (3) supports ball screw assembly, (4) front end, while ball wire by bearing A (2)
The leading screw of thick stick pair (4) can the rotation in bearing block A (3)；Connector (5) is fixedly connected with the head of a bed by bolt across upper part unthreaded hole
Case, leading screw pass through macropore, bolt to be fixedly connected with screw hole on the nut of ball screw assembly, (4) by unthreaded hole around the macropore of lower part,
Nut, connector (5), headstock are integrally formed, and ensure that headstock is moved synchronously with nut；Headstock is placed in the flat-V groups of planker
Close on guide rail, can horizontal linear movement, the nut rotation degree of freedom of ball screw assembly, (4) limited；Bearing block B (7) passes through spiral shell
Bolt is fixed on planker, and bearing B (6) is packed into bearing block B (7) upper bearing aperture, gland is bolted in bearing block B (7)
On, fixing bearing B (6) outer ring, the leading screw rear portion outer diameter shaft shoulder fixing bearing B inner rings side of ball screw assembly, (4), round nut
(9) it is tightened on leading screw, fixing bearing B (6) inner ring other side；Since two taper roll bearings are back-to-back arrangements, limitation
Leading screw is axially moved and bears axial force, while bearing block B (7) plays the role of supporting ball screw assembly, (4) rear end；Shaft coupling
(10) by being keyed ball screw assembly, (4) and retarder (11) output shaft, retarder (11) input shaft and servo-drive system (12)
Servo motor connection.
2. a kind of feed arrangement according to claim 1, it is characterised in that：Frictional resistance when to reduce leading screw rotation, institute
It states bearing A (2) and uses single-row radial ball bearing.
3. a kind of feed arrangement according to claim 1, it is characterised in that：The bearing B (6) uses two taper rollers
Bearing, back-to-back arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721634440.8U CN207930370U (en) | 2017-11-30 | 2017-11-30 | A kind of feed arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721634440.8U CN207930370U (en) | 2017-11-30 | 2017-11-30 | A kind of feed arrangement |
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| Publication Number | Publication Date |
|---|---|
| CN207930370U true CN207930370U (en) | 2018-10-02 |
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ID=63645729
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721634440.8U Active CN207930370U (en) | 2017-11-30 | 2017-11-30 | A kind of feed arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207930370U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110554662A (en) * | 2019-08-07 | 2019-12-10 | 山东大学 | Large-stroke high-precision micro-control servo feeding system and control method |
-
2017
- 2017-11-30 CN CN201721634440.8U patent/CN207930370U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110554662A (en) * | 2019-08-07 | 2019-12-10 | 山东大学 | Large-stroke high-precision micro-control servo feeding system and control method |
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