CN108817434A - A kind of long cylinder workpiece clamping device - Google Patents
A kind of long cylinder workpiece clamping device Download PDFInfo
- Publication number
- CN108817434A CN108817434A CN201810699847.1A CN201810699847A CN108817434A CN 108817434 A CN108817434 A CN 108817434A CN 201810699847 A CN201810699847 A CN 201810699847A CN 108817434 A CN108817434 A CN 108817434A
- Authority
- CN
- China
- Prior art keywords
- bearing
- chuck
- transmission component
- support
- clamping assembly
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/103—Retention by pivotal elements, e.g. catches, pawls
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping On Spindles (AREA)
Abstract
The present invention relates to a kind of gripping mechanisms, are specifically related to the clamping and positioning device of a kind of long cylinder workpiece, including：Clamping assembly, clamping assembly include：Two sets of coaxial chuck bodies (1), are symmetrically set to the two sides of transmission component, for fixing the two-end part of long cylinder workpiece；Chuck support seat (3), chuck support seat (3) are used to support chuck body (1), coaxially with chuck body (1), are mounted on machine tool mainframe；Bearing assembly, bearing assembly are used to support and drive clamping assembly axial rotation motion；Transmission component (2), transmission component is connect with clamping assembly, provides the rotary power of clamping assembly；Motor, motor are connect with transmission component, provide power for transmission component.The present invention is in clamping long cylinder workpiece, two sets of scroll chuck body clampings simultaneously, overcomes the short disadvantage of single scroll chuck crawl length, improves the concentricity of workpiece in process, and then improve workpiece processing quality.
Description
Technical field
The present invention relates to a kind of gripping mechanisms, are specifically related to the clamping and positioning device of a kind of long cylinder workpiece.
Background technique
Scroll chuck is the mechanical device for being used to clamp workpiece on lathe.Utilize three active cards being evenly arranged on chuck body
Pawl moves radially, and the machine tool accessories of Workpiece clamping and positioning, with industrialized continuous development, the application of chuck is more next wide
It is general.But for compared with machining long workpieces, when with single scroll chuck clamping, claw crawl length is short, main-shaft core is deviateed in one end of workpiece
Apart from larger, when lathe work, due to centrifugal phenomenon, high-speed rotating workpiece is deviateing main-shaft axis far from claw grasping end
It is larger, so that machining tool is generated strenuous vibration, and the geometric tolerance of institute's workpieces processing also will increase, influences part processing
Precision.Therefore when processing long cylinder workpiece, in order to improve the concentricity of workpieces processing, a kind of new gripping mechanism is needed.
Summary of the invention
In view of the above-mentioned problems, the purpose of the present invention is to provide a kind of completely new scroll chuck gripping mechanisms.The device can
To improve the concentricity in workpiece process, and then improve workpiece processing quality.
To achieve the goals above, the present invention uses following technical scheme：
The embodiment of the invention provides a kind of long cylinder Workpiece clamping devices, which is characterized in that described device includes：
Clamping assembly, the clamping assembly include：
Two sets of coaxial chuck bodies 1, are symmetrically set to the two sides of transmission component, for fixing the both ends of long cylinder workpiece
Position；
Chuck support seat 3, the chuck support seat 3 are used to support chuck body 1, coaxial with the chuck body 1, are mounted on machine
On bed apparatus mainframe；
Bearing assembly, the bearing assembly are used to support and drive the clamping assembly axial rotation motion；
Transmission component 2, the transmission component are connect with the clamping assembly, provide the rotary power of the clamping assembly；
Motor, the motor are connect with the transmission component, provide power for the transmission component.
Preferably, the chuck body includes：
Claw, the claw embrace the long cylinder workpiece for grabbing；
The driving mechanism of claw, for driving the claw clamp or release to act.
Preferably, the bearing assembly successively includes from outside to inside along axially：
Chuck connecting flange 6,7, two sets of identical deep groove ball bearings 8 of bearing axis, bearing block 9, sleeve 12 and bearing outer ring pressure
Lid 13；Wherein：
The chuck body 1 is connected on the bearing axis 7 with screw；
A set of deep groove ball bearing 8 is that both ends are fixed, and inner ring is by the chuck connecting flange 6 and bearing crossette 10
Twin fixed guide-vane, outer ring are fixed by bearing block crossette 20；Another set of deep groove ball bearing both ends are fixed, and inner ring is by chuck connection method
Orchid 6 and 12 twin fixed guide-vane of sleeve, outer ring are fixed by bearing outer ring gland 13；
The outermost of bearing assembly is arranged in bearing block 9.
Preferably, the bearing block 9 is housing member, including the support of bearing 18, supporting table 19, pedestal 21 and gusset 22：
The support of bearing 18 is installed on the pedestal 21；
The gusset is set as two, sets up two junctions in supporting table and pedestal separately, for increasing the steady of bearing block
It is qualitative；
The two-port of the support of bearing 18 is provided with bearing block crossette；
The pedestal 21 is connected with U-shaped hole 17 with 19 abdomen of supporting table, and the pedestal 21 is mounted on lathe mainframe, support
Gripping mechanism.
Preferably, transmission component 2 includes synchronous pulley a11, synchronous pulley b15, synchronous belt 14, the synchronous pulley a peace
On bearing axis 7, synchronous pulley b is mounted in external motor.
Preferably, the synchronous belt 14 connects synchronous pulley a and synchronous pulley b by U-shaped hole.
Advantage and beneficial effect of the present invention：
The present invention improves concentricity when work pieces process, and then improves the processing quality of workpiece；
Present invention reduces vibrations when work pieces process, reduce noise.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the long cylinder workpiece clamping device proposed according to the embodiment of the present invention；
Fig. 2 is the left diagram of Fig. 1；
Fig. 3 is the cross-sectional view of Fig. 1；
Fig. 4 is a kind of structure chart of the bearing block of the long cylinder workpiece clamping device proposed according to the embodiment of the present invention.
Detailed description of the invention：
Scroll chuck body 1, chuck support seat 3, synchronous belt drive mechanism 2, claw 4, claw driving mechanism 5, chuck connection
Flange 6, bearing axis 7, deep groove ball bearing 8, bearing block 9, bearing crossette 10, synchronous pulley a11, sleeve 12, bearing outer ring gland
13, synchronous belt 14, synchronous pulley b15, motor 16, U-shaped hole 17, bearing support 18, supporting table 19, bearing block crossette 20, pedestal
21, gusset 22.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings：
As shown in Figs 1-4, the present invention relates to the clamping and positioning device of a kind of long cylinder workpiece, described device includes：Card
Tight component, bearing assembly, transmission component and motor.
Wherein, the clamping assembly includes：
Two sets of coaxial chuck bodies 1, are symmetrically set to the two sides of transmission component, for fixing the both ends of long cylinder workpiece
Position.
Wherein, chuck body 1 may include claw 4 and claw driving mechanism 5.The claw embraces the long cylinder work for grabbing
Part.The driving mechanism of claw is for driving the claw clamp or release to act.Wherein, chuck body 1 can be scroll chuck body
1。
Chuck support seat 3, the chuck support seat 3 are used to support chuck body 1, coaxial with the chuck body 1, are mounted on machine
On bed apparatus mainframe.
Bearing assembly, the bearing assembly are used to support and drive the clamping assembly axial rotation motion.
In an embodiment of the present invention, the bearing assembly successively includes from outside to inside along axially：Chuck connecting flange 6,
7, two sets of identical deep groove ball bearings 8 of bearing axis, bearing block 9, sleeve 12 and bearing outer ring gland 13；Wherein：The chuck body 1 is used
Screw is connected on the bearing axis 7；A set of deep groove ball bearing 8 is that both ends are fixed, and inner ring is connected by the chuck
10 twin fixed guide-vane of flange 6 and bearing crossette, outer ring are fixed by bearing block crossette 20；Another set of deep groove ball bearing both ends are fixed,
For its inner ring by 12 twin fixed guide-vane of chuck connecting flange 6 and sleeve, outer ring is fixed by bearing outer ring gland 13.The setting of bearing block 9 exists
The outermost of bearing assembly.
Wherein, bearing block 9 is housing member, including the support of bearing 18, supporting table 19, pedestal 21 and gusset 22.The axis
Bracket 18 is held to be installed on the pedestal 21；The gusset is set as two, sets up two junctions in supporting table and pedestal separately,
For increasing the stability of bearing block；The two-port of the support of bearing 18 is provided with bearing block crossette；The pedestal 21 and branch
Support 19 abdomen of platform is connected with U-shaped hole 17, and the pedestal 21 is mounted on lathe mainframe, supports gripping mechanism.
Transmission component 2, the transmission component are connect with the clamping assembly, provide the rotary power of the clamping assembly.
In an embodiment of the present invention, transmission component 2 includes synchronous pulley a11, synchronous pulley b15, and synchronous belt 14 is described
Synchronous pulley a is mounted on bearing axis 7, and synchronous pulley b is mounted in external motor 16.Wherein, the synchronous belt 14 passes through U-shaped
Hole connects synchronous pulley a and synchronous pulley b.
In other embodiments, power can also be provided for clamping assembly using other structures as power driving module.
Motor, the motor are connect with the transmission component, provide power for the transmission component.
In an embodiment of the present invention, chuck body can be scroll chuck body 1.In other embodiments, it can be used
His structure grab and is embraced.
The course of work of the invention is as follows：
The gripping mechanism is mounted on machine tool mainframe, and two sets of 1 structures of scroll chuck body are identical, is arranged symmetrically in card
The both ends of disk support base 3, and two sets of scroll chuck bodies 1 and support base 3 are coaxial, when long cylinder workpiece is clamped positioning, two
End chuck body simultaneously clamps on workpiece, ensure that the concentricity of institute's workpieces processing, drives workpiece rotation by synchronous belt Chuan Gong mechanism 2
Turn, completes subsequent processing work.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.
Claims (6)
1. a kind of long cylinder Workpiece clamping device, which is characterized in that described device includes：
Clamping assembly, the clamping assembly include：
Two sets of coaxial chuck bodies (1), are symmetrically set to the two sides of transmission component, for fixing the both ends of long cylinder workpiece
Position；
Chuck support seat (3), the chuck support seat (3) are used to support chuck body (1), coaxially with the chuck body (1), installation
On machine tool mainframe；
Bearing assembly, the bearing assembly are used to support and drive the clamping assembly axial rotation motion；
Transmission component (2), the transmission component are connect with the clamping assembly, provide the rotary power of the clamping assembly；
Motor, the motor are connect with the transmission component, provide power for the transmission component.
2. device as described in claim 1, it is characterised in that：The chuck body includes：
Claw (4), the claw embrace the long cylinder workpiece for grabbing；
The driving mechanism (5) of claw, for driving the claw clamp or release to act.
3. device as described in claim 1, it is characterised in that：The bearing assembly edge is axial, successively includes from outside to inside：
Chuck connecting flange (6), bearing axis (7), two sets of identical deep groove ball bearings (8), bearing block (9), sleeve (12) and bearing
Outer ring gland (13)；Wherein：
The chuck body (1) is connected on the bearing axis (7) with screw；
A set of deep groove ball bearing (8) is that both ends are fixed, and inner ring is by the chuck connecting flange (6) and bearing crossette
(10) twin fixed guide-vane, outer ring are fixed by bearing block crossette (20)；Another set of deep groove ball bearing both ends are fixed, and inner ring is by chuck
Connecting flange (6) and sleeve (12) twin fixed guide-vane, outer ring are fixed by bearing outer ring gland (13)；
The outermost of bearing assembly is arranged in bearing block (9).
4. device as claimed in claim 3, it is characterised in that：The bearing block (9) is housing member, including the support of bearing
(18), supporting table (19), pedestal (21) and gusset (22)：
The support of bearing (18) is installed on the pedestal (21)；
The gusset is set as two, sets up two junctions in supporting table and pedestal separately, for increasing the stability of bearing block；
The two-port of the support of bearing (18) is provided with bearing block crossette；
The pedestal (21) and supporting table (19) abdomen are connected with U-shaped hole (17), and the pedestal (21) is mounted on lathe mainframe,
Support gripping mechanism.
5. device as claimed in claim 3, it is characterised in that：Transmission component (2) includes (11) synchronous pulley a, synchronous pulley b
(15), synchronous belt (14), the synchronous pulley a are mounted on bearing axis (7), and synchronous pulley b is mounted in external motor.
6. device as claimed in claim 5, it is characterised in that：The synchronous belt (14) by U-shaped hole connect synchronous pulley a and
Synchronous pulley b.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810699847.1A CN108817434A (en) | 2018-06-29 | 2018-06-29 | A kind of long cylinder workpiece clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810699847.1A CN108817434A (en) | 2018-06-29 | 2018-06-29 | A kind of long cylinder workpiece clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108817434A true CN108817434A (en) | 2018-11-16 |
Family
ID=64134020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810699847.1A Pending CN108817434A (en) | 2018-06-29 | 2018-06-29 | A kind of long cylinder workpiece clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108817434A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109227442A (en) * | 2018-11-22 | 2019-01-18 | 北方民族大学 | A kind of secondary positioning table and localization method suitable for bearing component processing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201350508Y (en) * | 2009-02-09 | 2009-11-25 | 任启 | Horizontal lathe |
| CN201645224U (en) * | 2010-02-09 | 2010-11-24 | 台州震环数控机床有限公司 | Clamping device of machine tool |
| CN103372656A (en) * | 2012-04-26 | 2013-10-30 | 青岛东方神力机械有限公司 | Numerical control single-spindle double-chuck face lathe |
| CN203993251U (en) * | 2014-07-15 | 2014-12-10 | 吉林圆方机械集团有限公司 | A kind of split type punching machine tool |
| CN106964790A (en) * | 2017-04-28 | 2017-07-21 | 盐城工业职业技术学院 | Double card disk headstock |
-
2018
- 2018-06-29 CN CN201810699847.1A patent/CN108817434A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201350508Y (en) * | 2009-02-09 | 2009-11-25 | 任启 | Horizontal lathe |
| CN201645224U (en) * | 2010-02-09 | 2010-11-24 | 台州震环数控机床有限公司 | Clamping device of machine tool |
| CN103372656A (en) * | 2012-04-26 | 2013-10-30 | 青岛东方神力机械有限公司 | Numerical control single-spindle double-chuck face lathe |
| CN203993251U (en) * | 2014-07-15 | 2014-12-10 | 吉林圆方机械集团有限公司 | A kind of split type punching machine tool |
| CN106964790A (en) * | 2017-04-28 | 2017-07-21 | 盐城工业职业技术学院 | Double card disk headstock |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109227442A (en) * | 2018-11-22 | 2019-01-18 | 北方民族大学 | A kind of secondary positioning table and localization method suitable for bearing component processing |
| CN109227442B (en) * | 2018-11-22 | 2024-02-13 | 北方民族大学 | Secondary positioning table and positioning method suitable for machining bearing workpiece |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181116 |
|
| RJ01 | Rejection of invention patent application after publication |