CN110465811A - A kind of swing type machine table mechanism and its numerically controlled processing equipment - Google Patents
A kind of swing type machine table mechanism and its numerically controlled processing equipment Download PDFInfo
- Publication number
- CN110465811A CN110465811A CN201910751977.XA CN201910751977A CN110465811A CN 110465811 A CN110465811 A CN 110465811A CN 201910751977 A CN201910751977 A CN 201910751977A CN 110465811 A CN110465811 A CN 110465811A
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- China
- Prior art keywords
- machine table
- swinging frame
- wheel
- silk braid
- screw rod
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- 230000001360 synchronised effect Effects 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Units (AREA)
Abstract
The invention discloses a kind of swing type machine table mechanism and its numerically controlled processing equipments.Swing type machine table mechanism, for being mounted on numerically controlled processing equipment, including bracket, machine table, swinging frame and driving mechanism.Machine table is installed between two supports by the swinging frame of two sides.Swinging frame is rack-mount by swinging axle.Driving mechanism is mounted between bracket and swinging frame, for driving swinging frame to swing.Driving mechanism includes screw rod and bogie.Motor and silk braid wheel are installed on bogie.Bogie is mounted on swinging frame by first axle.Screw rod passes through silk braid wheel, and is meshed by screw thread with silk braid wheel.One end of screw rod is rack-mount by second hinge.Motor connecting filament wheel.Error caused by servo motor of the present invention is substantially reduced after being driven by screw rod silk braid, therefore greatly reduces the required precision of servo motor.
Description
Technical field
The present invention relates to numerically controlled processing equipments, the in particular to swing mechanism of machine table.
Background technique
Five axis in the numerically controlled processing equipment of five-axle linkage translate additional swinging axle and rotary shaft nothing more than tri- axis of XYZ.Pendulum
Moving axis is horizontal, and rotary shaft is vertical.The phorogenesis of tri- axis of XYZ enables and walks in tri- axis direction of spindle box XYZ in spindle box
Into.Spindle box is in numerically controlled processing equipment for installing the mechanism of cutter.Cutter high speed rotation under the driving of spindle box is realized
Operation is processed in milling boring to material etc..The turning effort machine table of rotary shaft enables machine table to rotate so that fixed
Material in machine table rotates with.There are two types of modes for swinging axle in five axis: the first is that swinging axle acts on spindle box,
Spindle box is swung around swinging axle；The second way is that swinging axle acts on machine table, and machine table is enclosed
It is swung around swinging axle and then material fixed in machine table is driven to surround swinging axle therewith and swung.
In traditional numerically controlled processing equipment, when swinging axle acts on machine table, to drive machine table around swing
The driving mechanism that axis is swung usually pass through servo motor be directly connected to swinging axle or servo motor pass through index dial connect
The mode of swinging axle.In high-precision numerically controlled processing equipment, it is very high that the mode of this driving mechanism requires servo motor to have
Precision.It is generally known that high-precision servo motor is not only expensive, it is uncertain to can buy.
Summary of the invention
Problem to be solved by this invention: in high-precision numerically controlled processing equipment, processing is directly driven using servo motor
Platform swing or swing by indexing dish driving machine table using servo motor requiring servo motor with very high
Precision, and the precision of servo motor is unable to satisfy numerically controlled processing equipment overall precision requirement in the market.
To solve the above problems, the scheme that the present invention uses is as follows:
A kind of swing type machine table mechanism according to the present invention, including bracket, machine table, swinging frame and driving mechanism；Machine table
It is installed between two supports by the swinging frame of two sides；Swinging frame by swinging axle it is rack-mount so that machine table and
Swinging frame can be swung around swinging axle；The driving mechanism is mounted between bracket and swinging frame, is swung for driving
Frame is swung；The driving mechanism includes screw rod and bogie；Motor and silk braid wheel are installed on bogie；Bogie passes through first
Hinge is mounted on swinging frame；Screw rod passes through silk braid wheel, and is meshed by screw thread with silk braid wheel；One end of screw rod passes through second
Hinge is rack-mount；Motor connecting filament wheel, and silk braid wheel can be driven to rotate；The silk braid wheel of rotation pass through and screw rod it
Between screw thread engagement drive swinging frame swing.
Further, swing type machine table according to the present invention mechanism is provided with U-lag on swinging frame；Bogie passes through the
One hinge is mounted in U-lag.
Further, swing type machine table according to the present invention mechanism, the axle center of first axle and the axle center of screw rod are located at same
In one plane.
Further, swing type machine table according to the present invention mechanism is also equipped with toothed belt wheel on bogie；Motor tooth connection
Belt wheel；It is connected between toothed belt wheel and silk braid wheel by synchronous belt.
A kind of numerically controlled processing equipment according to the present invention, the equipment include spindle box and above-mentioned swing type machine table machine
Structure；The spindle box is mounted on the top of the machine table of swing type machine table mechanism by XYZ triaxial connecting system.
Technical effect of the invention is as follows: the servo motor of swing driving mechanism of the invention is rotated by driving silk braid,
The silk braid of rotation drives silk braid to move along screw rod by the screw thread engagement between screw rod again, and then drives bogie whole
Body is moved along screw rod, and entire swinging frame and machine table is finally driven to be swung around swinging axle.Machine table angle of oscillation as a result,
The error range of degree depends on the precision of screw rod silk braid screw thread, and error caused by servo motor is big after being driven by screw rod silk braid
It is big to reduce.One radian error of servo motor is reflected in the error of machine table swing angle less than 1 percent radians.Therefore big
The required precision of servo motor is reduced greatly.
Detailed description of the invention
Fig. 1 is the positive structure schematic of swing type machine table mechanism embodiment of the present invention.
Fig. 2 is the medial surface structural schematic diagram of Fig. 1.
Specific embodiment
The present invention is described in further details with reference to the accompanying drawing.
As shown in Figure 1 and Figure 2, a kind of swing type machine table mechanism, including bracket 1, machine table 2, swinging frame 3 and driving machine
Structure.Bracket 1 and swinging frame 3 respectively there are two, be used to support machine table 2 set on 2 two sides of machine table.Bracket 1 is in grillage shape structure.
Two brackets 1 are parallel to each other.Two swinging frames 3 are mounted on two brackets 1 each by swinging axle 31 respectively, and are located at bracket
1 inside enables swinging frame 3 to be swung around swinging axle 31.Swinging axle 31 is horizontal, and the pendulum of two swinging frames 3
Moving axis 31 is concentric.Machine table 2 is mounted between two brackets 1 by the swinging frame 3 of two sides, that is, machine table 2 is erected at
Between two swinging frames 3, and it can be swung with the swing of swinging frame 3.
Driving mechanism is mounted between bracket 1 and swinging frame 3, for driving the swing of swinging frame 3, including screw rod 4 and driving
Frame 5.Motor 51, toothed belt wheel 52 and silk braid wheel 53 are installed on bogie 5.The top of swinging frame 3 is provided with U-lag 32.Driving
Frame 5 is mounted in U-lag 32 by first axle 33, so that motor 51, toothed belt wheel 52, silk braid wheel 53 and bogie 5 are whole
It can be rotated around the axle center of first axle 33.Motor 51 is servo motor, connects toothed belt wheel 52.Toothed belt wheel 52 and silk braid wheel 53
Between by synchronous belt be connected.Screw rod 4 passes through silk braid wheel 53, and is meshed with silk braid wheel 53 by screw thread.That is, this reality
The silk braid wheel 53 for applying example is threaded synchronous pulley in one, and toothed belt wheel 52 is synchronous pulley.One end of screw rod 4 passes through second
Hinge 41 is mounted on mounting rack 1, and can be swung around second hinge 41.The other end of screw rod 4 is provided with limited block 42.By
This, motor 51 drives silk braid wheel 53 to rotate by toothed belt wheel 52 and synchronous belt, and the silk braid wheel 53 of rotation passes through between screw rod 4
Screw thread engagement drives, and motor 51, toothed belt wheel 52, silk braid wheel 53 and 5 entirety of bogie are moved along screw rod 4.Along silk
The mobile bogie 5 of bar 4 drives swinging frame 3 to be swung around swinging axle 31, so that machine table 2 is put around swinging axle 31
It is dynamic.It should be pointed out that being so that the active force that silk braid wheel 53 acts on swinging frame 3 maximizes, the axle center of screw rod 4 passes through first
The axle center of hinge 33, so that the axle center of first axle 33 and the axle center of screw rod 4 are in the same plane.
The swing type machine table mechanism of the present embodiment is for being mounted on numerically controlled processing equipment.The numerically controlled processing equipment is at least
Including above-mentioned swing type machine table mechanism, XYZ triaxial connecting system and spindle box.Spindle box is mounted on XYZ three-shaft linkage machine
On structure, enable spindle box while synchronous translational in tri- axis direction of XYZ, and spindle box is made to be located at swing type machine table
The top of the machine table 2 of mechanism is realized and carries out processing operation to material in machine table 2.XYZ triaxial connecting system has a variety of
Embodiment is known to those skilled in the art, and this specification repeats no more.Machine table can install turntable again, make material
Fixation is able to carry out rotation on a spinstand.The structure of turntable is known to those skilled in the art, and this specification is no longer superfluous
It states.
Claims (5)
1. a kind of swing type machine table mechanism, including bracket (1), machine table (2), swinging frame (3) and driving mechanism；Machine table
(2) it is mounted between two brackets (1) by the swinging frame (3) of two sides；Swinging frame (3) is mounted on bracket by swinging axle (31)
(1) on, so that machine table (2) and swinging frame (3) can be swung around swinging axle (31)；The driving mechanism is mounted on branch
Between frame (1) and swinging frame (3), for driving swinging frame (3) to swing；It is characterized in that, the driving mechanism includes screw rod (4)
With bogie (5)；Motor (51) and silk braid wheel (53) are installed on bogie (5)；Bogie (5) is pacified by first axle (33)
On swinging frame (3)；Screw rod (4) passes through silk braid wheel (53), and is meshed by screw thread with silk braid wheel (53)；Screw rod (4)
One end is mounted on bracket (1) by second hinge (41)；Motor (51) connecting filament wheel (53), and silk braid wheel can be driven
(53) it rotates；The silk braid wheel (53) of rotation drives swinging frame (3) to swing by the screw thread engagement between screw rod (4).
2. swing type machine table as described in claim 1 mechanism, which is characterized in that swinging frame is provided with U-lag on (3)
(32)；Bogie (5) is mounted in U-lag (32) by first axle (33).
3. swing type machine table as described in claim 1 mechanism, which is characterized in that the axle center of first axle (33) and screw rod
(4) axle center is in the same plane.
4. swing type machine table as described in claim 1 mechanism, which is characterized in that bogie is also equipped with toothed belt wheel on (5)
(52)；Motor (51) connects toothed belt wheel (52)；It is connected between toothed belt wheel (52) and silk braid wheel (53) by synchronous belt.
5. a kind of numerically controlled processing equipment, which is characterized in that the equipment include spindle box and as claimed in claim 1 or 2 or 3 or 4
Swing type machine table mechanism；The spindle box is mounted on swing type machine table mechanism by XYZ triaxial connecting system
The top of machine table (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910751977.XA CN110465811A (en) | 2019-08-15 | 2019-08-15 | A kind of swing type machine table mechanism and its numerically controlled processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910751977.XA CN110465811A (en) | 2019-08-15 | 2019-08-15 | A kind of swing type machine table mechanism and its numerically controlled processing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110465811A true CN110465811A (en) | 2019-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910751977.XA Pending CN110465811A (en) | 2019-08-15 | 2019-08-15 | A kind of swing type machine table mechanism and its numerically controlled processing equipment |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101797721A (en) * | 2010-02-02 | 2010-08-11 | 南京理工大学 | Three-freedom degree grinding wheel dresser based on parallel mechanisms |
| CN203484917U (en) * | 2013-06-09 | 2014-03-19 | 党金行 | Lead screw pair drive-type swing rotary table |
| JP2015160267A (en) * | 2014-02-26 | 2015-09-07 | ブラザー工業株式会社 | Machine tool |
| CN105393833A (en) * | 2015-11-30 | 2016-03-16 | 浙江博仁工贸有限公司 | Swing type matrix stirring and feeding mechanism |
| CN207119994U (en) * | 2017-05-31 | 2018-03-20 | 深圳市领略数控设备有限公司 | A kind of tooth machining unit slide rest device |
| CN210549516U (en) * | 2019-08-15 | 2020-05-19 | 南京领锐科技有限公司 | Oscillating type machining table mechanism and numerical control machining equipment thereof |
-
2019
- 2019-08-15 CN CN201910751977.XA patent/CN110465811A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101797721A (en) * | 2010-02-02 | 2010-08-11 | 南京理工大学 | Three-freedom degree grinding wheel dresser based on parallel mechanisms |
| CN203484917U (en) * | 2013-06-09 | 2014-03-19 | 党金行 | Lead screw pair drive-type swing rotary table |
| JP2015160267A (en) * | 2014-02-26 | 2015-09-07 | ブラザー工業株式会社 | Machine tool |
| CN105393833A (en) * | 2015-11-30 | 2016-03-16 | 浙江博仁工贸有限公司 | Swing type matrix stirring and feeding mechanism |
| CN207119994U (en) * | 2017-05-31 | 2018-03-20 | 深圳市领略数控设备有限公司 | A kind of tooth machining unit slide rest device |
| CN210549516U (en) * | 2019-08-15 | 2020-05-19 | 南京领锐科技有限公司 | Oscillating type machining table mechanism and numerical control machining equipment thereof |
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