CN104772530B - Centerless machine tool - Google Patents
Centerless machine tool Download PDFInfo
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- CN104772530B CN104772530B CN201510190736.4A CN201510190736A CN104772530B CN 104772530 B CN104772530 B CN 104772530B CN 201510190736 A CN201510190736 A CN 201510190736A CN 104772530 B CN104772530 B CN 104772530B
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- main shaft
- shaft
- synchronous pulley
- base
- encoder
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Abstract
The invention discloses a centerless machine tool, which comprises a base; the upper part of the base is provided with a machine tool device; the machine tool device comprises a box, a main shaft and a feed shaft, wherein the box consists of an upper box and a lower box, the main shaft is arranged on the box through first bearing assemblies, and the feed shaft is arranged in the main shaft through second bearing assemblies; two ends of the box are respectively provided with a first bearing end cover assembly matched with the first bearing assemblies; one end of the main shaft is provided with a first V pulley and a first synchronous pulley in sequence, and the other end of the main shaft is provided with a tool assembly; one end, which is located on the first synchronous pulley, of the main shaft is provided with a second bearing end cover assembly matched with the second bearing assemblies; one end, which is located on the first synchronous pulley, of the feed shaft is provided with a second synchronous pulley and a third synchronous pulley in sequence, and the other end of the feed shaft is connected with the tool assembly in a matching manner. According to the centerless machine tool, through a double-shaft structure, by utilizing double-shaft speed regulation, external cutting and cone cutting of a long cylinder are realized.
Description
Technical field
The present invention relates to a kind of centreless machine.
Background technology
At present, centreless machine be mainly used in processing those lathes cannot process, the processing of the external cutting of longer bar, also not
See dedicated for the cutting machines of cold-drawn material dog, by Creative Mechanism Design, one is to realize commonly to this device
Excircle machining of the centreless machine to bar, two is can to process cold-drawn material dog, substitutes existing cold rolling, forge hot processing side
Method, high working efficiency, beneficial to realizing automatically controlling, realizes automated production.
The content of the invention
The present invention seeks to the defect for being directed to prior art presence provides a kind of centreless machine.
The present invention for achieving the above object, is adopted the following technical scheme that：A kind of centreless machine, including base, the base
Top arranges device for machine tool；The device for machine tool includes the casing being made up of upper box and lower box, by clutch shaft bearing component
Main shaft on the casing, and the feed shaft inside the main shaft is arranged on by second bearing component；The case
Body two ends are provided with the clutch shaft bearing end-cap assembly being engaged with the clutch shaft bearing component；Described main shaft one end is disposed with
The first V belt wheels and the first synchronous pulley, the other end is provided with toolbox；The main shaft is positioned at first Timing Belt
One end of wheel is provided with the second bearing end-cap assembly being engaged with the second bearing component；The feed shaft is positioned at described
One end of first synchronous pulley is disposed with the second synchronous pulley, the 3rd synchronous pulley, its other end and the toolbox
It is connected；The first V belt wheels are connected by a V bands with the mair motor being arranged on the base；Described second is synchronous
Belt wheel is by the second Timing Belt and the feeding motor connection being arranged on the base.
Further, first synchronous pulley is by the first Timing Belt and the first encoder being arranged on the base
Connection, the 3rd synchronous pulley is connected by the 3rd Timing Belt with the second encoder being arranged on base；
When first encoder and during main shaft synchronous axial system, the rotating speed of the measurable main shaft of first encoder,
And control system is fed back to, realized being controlled the rotating speed of main shaft by the control system.
When second encoder and feed shaft synchronous axial system, the second encoder measures the rotating speed of the feed shaft, and
Control system is fed back to, realizes being controlled the rotating speed of feed shaft by the control system that feeds back to.
Further, the toolbox includes cutterhead, and the cutter being arranged on cutterhead, the cutter with it is described enter
Engage to realize moving radially by screw thread to axle.
Beneficial effects of the present invention：1), this device, using twin shaft rotational speed regulation, realizes long cylinder by cross-compound arrangement
External cutting and the conical surface cut；2), this device can carry out conical surface cutting to cold-drawn material dog, can effectively substitute cold-drawn material
The cold and hot forging processing of dog；Its is high in machining efficiency, energy saving, beneficial to automatically controlling, it is easy to the automatic assembly line of cold-drawing device
Transformation；3), this device can be used as centreless machine, and the bar larger to specification carries out the cutting that strips off the skin, and cutting output is controllable, operation side
Just simple, maintenance cost is low.
Description of the drawings
Fig. 1 is the three-dimensional figure structure schematic representation of the present invention.
Fig. 2 is the main view figure structure schematic representation of the present invention.
Fig. 3 is the device for machine tool structural representation of the present invention.
Specific embodiment
Shown in Fig. 1 to Fig. 3, it is related to a kind of centreless machine, including base 1, the top of the base 1 arranges device for machine tool 3；Institute
The casing that device for machine tool 3 includes being made up of upper box 21 and lower box 28 is stated, the case is arranged on by clutch shaft bearing component 27
Main shaft 23 on body, and the feed shaft 31 inside the main shaft 23 is arranged on by second bearing component 26；The casing two
End is provided with the clutch shaft bearing end-cap assembly 20 being engaged with the clutch shaft bearing component 27；The one end of the main shaft 23 sets gradually
There are a V belt wheels 7 and the first synchronous pulley 8, the other end is provided with toolbox 29；The main shaft 23 is positioned at described the
One end of one synchronous pulley 8 is provided with the second bearing end-cap assembly 19 being engaged with the second bearing component 26；It is described enter
The second synchronous pulley 10, the 3rd synchronous pulley 14 are disposed with the one end positioned at first synchronous pulley 8 to axle 31, its
The other end is connected with the toolbox 29；Wherein, a V belt wheels 7 pass through V bands 5 and are arranged on the bottom
Mair motor 2 on seat 1 connects, and second synchronous pulley 10 passes through the second Timing Belt 12 and is arranged on entering on the base 1
Connect to motor 4.
Wherein, the toolbox 29 includes cutterhead 292, and the cutter 291 being arranged on cutterhead 292, the cutter
291 engage to realize moving radially with the feed shaft 31 by screw thread.
During work, mair motor 2 drives a V belt wheels 7 to rotate by V bands 5, and a V belt wheels 7 drive main shaft 23 to revolve
Turn, rotated in band movable knife disc 292 by main shaft 23, cutterhead 25 promotes cutter 291 to carry out cutting workpiece；Feeding motor 4 passes through second
Timing Belt 12 drives the second synchronous pulley 10 to rotate, and 31 turns of feed shaft being arranged in main shaft 23 is driven by the second synchronous pulley 10
Dynamic, the end-face helical on feed shaft 31 is engaged with the end-face helical on cutter 291 by screw thread, promotes the radial feed of cutter 291
And withdrawing.In cutting workpiece, adjust the relative rotation speed of main shaft 23 and feed shaft 31, when main shaft 23 it is identical with the rotating speed of feed shaft 31
When, cutter 291 is not radially moved, and carries out determining cutting output cutting, is mainly used in the external cutting of oval column material；Work as main shaft
23 it is different with the rotating speed of feed shaft 31 when, be capable of achieving cutter radial feed, mainly due to the conical surface cutting and withdrawing.
In addition, to realize to main shaft 23 and the precise control of feed shaft 31, in this lathe, first synchronous pulley 8 leads to
Cross the first Timing Belt 9 and be connected with the first encoder 17 being arranged on the base 1, the 3rd synchronous pulley 14 passes through the 3rd
Timing Belt 15 is connected with the second encoder 16 being arranged on base 1.
When the first encoder 17 is with 23 synchronous axial system of main shaft, the rotating speed of main shaft 23 is measured, then feed back to control system, can
Realize the precise control to the rotating speed of main shaft 23.
When second encoder 16 and 31 synchronous axial system of feed shaft, the rotating speed of feed shaft 31 is measured, then feed back to control system
System, is capable of achieving the precise control to the rotating speed of feed shaft 31.
The foregoing is only presently preferred embodiments of the present invention, not to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (2)
1. a kind of centreless machine, it is characterised in that including base (1), base (1) top arranges device for machine tool (3)；It is described
Device for machine tool (3) includes the casing being made up of upper box (21) and lower box (28), is arranged on by clutch shaft bearing component (27)
Main shaft (23) on the casing, and by second bearing component (26) installed in the internal feed shaft of the main shaft (23)
(31)；The tank ends are provided with the clutch shaft bearing end-cap assembly (20) being engaged with the clutch shaft bearing component (27)；Institute
State main shaft (23) one end and be disposed with a V belt wheels (7) and the first synchronous pulley (8), the other end is provided with toolbox
(29)；The main shaft (23) is provided with and the second bearing component (26) in the one end positioned at first synchronous pulley (8)
The second bearing end-cap assembly (19) being engaged；The feed shaft (31) positioned at first synchronous pulley (8) one end according to
Secondary to be provided with the second synchronous pulley (10), the 3rd synchronous pulley (14), its other end is connected with the toolbox (29)；
The first V belt wheels (7) are connected by V bands (5) with the mair motor (2) being arranged on the base (1)；Described
Two synchronous pulleys (10) are connected by the second Timing Belt (12) with the feeding motor (4) being arranged on the base (1)；
The toolbox (29) is including cutterhead (292), and the cutter (291) being arranged on cutterhead (292), the cutter
(291) engage to realize moving radially by screw thread with the feed shaft (31).
2. a kind of centreless machine as claimed in claim 1, it is characterised in that first synchronous pulley (8) is same by first
Step band (9) is connected with the first encoder (17) being arranged on the base (1), and the 3rd synchronous pulley (14) is by the 3rd
Timing Belt (15) is connected with the second encoder (16) being arranged on base (1)；
When first encoder (17) and during main shaft (23) synchronous axial system, the measurable main shaft of first encoder (17)
(23) rotating speed, and control system is fed back to, realized being controlled the rotating speed of main shaft (23) by the control system；
When second encoder (16) and during feed shaft (31) synchronous axial system, the measurable feed shaft of the second encoder (16)
(31) rotating speed, and control system is fed back to, realize controlling the rotating speed of feed shaft (31) by the control system that feeds back to
System.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510190736.4A CN104772530B (en) | 2015-04-17 | 2015-04-17 | Centerless machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510190736.4A CN104772530B (en) | 2015-04-17 | 2015-04-17 | Centerless machine tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104772530A CN104772530A (en) | 2015-07-15 |
| CN104772530B true CN104772530B (en) | 2017-04-19 |
Family
ID=53614464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510190736.4A Active CN104772530B (en) | 2015-04-17 | 2015-04-17 | Centerless machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104772530B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5254872Y2 (en) * | 1973-05-30 | 1977-12-12 | ||
| SU1040698A1 (en) * | 1979-07-06 | 1985-07-07 | Ленинградское Ордена Октябрьской Революции Высшее Инженерное Морское Училище Им.Адм.С.О.Макарова | Device for centerless turning |
| DE10129207A1 (en) * | 2000-10-27 | 2002-05-08 | Schumag Ag | Paring machine for machining metal has hollow shaft mounted in at least one shell bearing |
| CN1729070A (en) * | 2002-10-18 | 2006-02-01 | 舒马格股份公司 | Tool head, adjuster ring and cutting machine in particular a scalping machine |
| CN101870011A (en) * | 2010-06-08 | 2010-10-27 | 兰州机床厂 | Numerical control pipe lathe |
| CN201693259U (en) * | 2010-06-08 | 2011-01-05 | 兰州机床厂 | Numerical control pipe lathe |
| CN201744756U (en) * | 2010-06-08 | 2011-02-16 | 兰州机床厂 | Numerical control fancing head system for multi-cutter radial feed |
| CN202668206U (en) * | 2012-06-25 | 2013-01-16 | 浙江工业职业技术学院 | Cutting cutterhead for machining ultra-slender shaft |
-
2015
- 2015-04-17 CN CN201510190736.4A patent/CN104772530B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5254872Y2 (en) * | 1973-05-30 | 1977-12-12 | ||
| SU1040698A1 (en) * | 1979-07-06 | 1985-07-07 | Ленинградское Ордена Октябрьской Революции Высшее Инженерное Морское Училище Им.Адм.С.О.Макарова | Device for centerless turning |
| DE10129207A1 (en) * | 2000-10-27 | 2002-05-08 | Schumag Ag | Paring machine for machining metal has hollow shaft mounted in at least one shell bearing |
| CN1729070A (en) * | 2002-10-18 | 2006-02-01 | 舒马格股份公司 | Tool head, adjuster ring and cutting machine in particular a scalping machine |
| CN101870011A (en) * | 2010-06-08 | 2010-10-27 | 兰州机床厂 | Numerical control pipe lathe |
| CN201693259U (en) * | 2010-06-08 | 2011-01-05 | 兰州机床厂 | Numerical control pipe lathe |
| CN201744756U (en) * | 2010-06-08 | 2011-02-16 | 兰州机床厂 | Numerical control fancing head system for multi-cutter radial feed |
| CN202668206U (en) * | 2012-06-25 | 2013-01-16 | 浙江工业职业技术学院 | Cutting cutterhead for machining ultra-slender shaft |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104772530A (en) | 2015-07-15 |
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