CN206662800U - A kind of pressing device of rotational workpieces - Google Patents
A kind of pressing device of rotational workpieces Download PDFInfo
- Publication number
- CN206662800U CN206662800U CN201720244191.5U CN201720244191U CN206662800U CN 206662800 U CN206662800 U CN 206662800U CN 201720244191 U CN201720244191 U CN 201720244191U CN 206662800 U CN206662800 U CN 206662800U
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- CN
- China
- Prior art keywords
- bearing
- housing
- cover
- compressor arm
- pressing device
- 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.)
- Withdrawn - After Issue
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Abstract
It the utility model is related to metal cutting process machine tool field, specifically a kind of pressing device of rotational workpieces, including hydraulic cylinder and adaptive aligning device, adaptive aligning device includes compressor arm, bearing holder (housing, cover), taper roll bearing, cylindrical roller thrust bearing and compression spring, the top of bearing holder (housing, cover) and the lower end of piston rod are fastenedly connected, the top of compressor arm is disposed through the cylindrical roller thrust bearing in bearing holder (housing, cover), the inner ring of taper roll bearing is fixed on the top of compressor arm, outer ring is fixed on the inner surface of bearing holder (housing, cover) and below inner ring, the bottom of compressor arm is provided with the flange platform that external diameter is more than bearing holder (housing, cover) diameter, compression spring it is upper, lower end is connected on cylindrical roller thrust bearing and flange platform respectively.The beneficial effects of the utility model are：Stalling characteristic is axially movable using the inside and outside circle of taper roll bearing, and cylindrical roller thrust bearing can radially move freely characteristic within the specific limits, cleverly realizing makes compressor arm have adaptive aligning function.
Description
Technical field
Metal cutting process machine tool field is the utility model is related to, specifically a kind of pressing device of rotational workpieces.
Background technology
With the development of machine industry, increasing lathe is equipped with rotary table, substantially increases adding for lathe
Work efficiency rate, but lathe manufacturer of various countries is to the clamping of workpiece on rotary table and fastening seldom research.When workpiece is placed
Need operator to be fastened with multiple clamping tools and nut after to machine tool rotary working table surface, take too many unproductive time,
Waste time and energy.
Utility model content
For overcome the deficiencies in the prior art, technical problem to be solved in the utility model is to provide a kind of rotation work
The pressing device of part, by hydraulic cylinder and adaptive aligning device, can fast-holding workpiece, do not influence the rotation of rotary table
And position skew does not occur when can guarantee that workpiece rotation, substantially increase operating efficiency.
In order to solve the above technical problems, the technical scheme that a kind of pressing device of rotational workpieces of the utility model uses is：
A kind of pressing device of rotational workpieces, including hydraulic cylinder and adaptive aligning device, the hydraulic cylinder pass through lathe
On bearing be fixed on vertically on lathe and the piston rod of hydraulic cylinder is towards the rotary table of lathe, the adaptive aligning dress
Put including compressor arm, bearing holder (housing, cover), taper roll bearing, cylindrical roller thrust bearing and at least one compression spring, the bearing
The top of set and the lower end of piston rod are fastenedly connected, and the top of the compressor arm is disposed through the thrust cylindrical rolling in bearing holder (housing, cover)
Sub- bearing, the taper roll bearing includes the outer ring being engaged and inner ring, inner ring are fixed on the top of compressor arm, and outer ring is fixed
Bearing holder (housing, cover) inner surface and below the inner ring, the bottom of compressor arm is provided with flange platform, and the external diameter of flange platform is more than bearing holder (housing, cover)
Diameter, the bottom of compression spring is placed on flange platform, and top abuts with cylindrical roller thrust bearing lower surface.
Preferably, the adaptive aligning device also includes bearing plate and screw, the inner ring by bearing plate and
Screw lock is at the top of the compressor arm.
Preferably, annular boss is additionally provided with shown bearing holder (housing, cover), the outer ring is arranged on the top of annular boss.
Preferably, the cylindrical roller thrust bearing is arranged on the bottom of the annular boss.
Preferably, the adaptive aligning device also includes backing plate, and the top of the compression spring passes through backing plate and described
Cylindrical roller thrust bearing lower surface abuts.
Preferably, the flange platform is provided with groove, and the bottom of the compression spring is placed in groove.
Preferably, the compression spring is enclosed on the outside of the compressor arm.
Preferably, the compression spring is butterfly spring.
A kind of beneficial effect of the pressing device of rotational workpieces of the utility model is：1. by hydraulic cylinder to installed in revolution
Workpiece on workbench is compressed, and Work-sheet pressing is firm；2. hydraulic cylinder can be processed state and rotation status point in workpiece
Do not apply different pressure, the pressure born during rotary table rotation is reduced, so as to the rotation of rotary table；3. it can avoid
Shift in position problem when workpiece rotates caused by hydraulic cylinder and rotating center decentraction.
Design, concrete structure and caused effect of the present utility model are described further below with reference to accompanying drawing, with
It is completely understood by the purpose of this utility model, feature and effect.
Brief description of the drawings
Fig. 1 is section knot of a kind of pressing device of rotational workpieces on workpiece under state living in the utility model embodiment
Structure schematic diagram；
Fig. 2 is section knot of a kind of pressing device of rotational workpieces under work pieces process state in the utility model embodiment
Structure schematic diagram；
Fig. 3 be in the utility model embodiment a kind of pressing device of rotational workpieces under rotary table rotation status
Cross-sectional view
Wherein：1- hydraulic cylinders, 101- piston rods, 2- bearing holder (housing, cover)s, 201- annular boss, 3- screws, 4- bearing plates, 5- circles
Taper roller bearing, 6- cylindrical roller thrust bearings, 7- spring backing plates, 8- compression springs, 9- compressor arms, 901- flange platforms, 902-
Groove, 10- workpiece, 11- rotary tables.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that say that the specific embodiment of description is used only for explaining herein
The utility model, it is not used to limit the utility model.
It should be noted that the term " on ", " under ", "front", "rear" and similar statement used in text are used only to
The utility model is explained, is not used to limit the utility model.
As Figure 1-3, a kind of pressing device of rotational workpieces, including hydraulic cylinder 1 and adaptive aligning device, the liquid
Cylinder pressure 1 be fixed on vertically on lathe by the bearing on lathe and the piston rod 101 of hydraulic cylinder 1 towards lathe rotary table
11, workpiece 10 is placed on rotary table 11, and the adaptive aligning device includes compressor arm 9, bearing holder (housing, cover) 2, taper roller
Bearing 5, cylindrical roller thrust bearing 6 and several compression springs 8, the top and the lower end of piston rod 101 of the bearing holder (housing, cover) 2 are tight
It is solidly connected, the top of the compressor arm 9 is disposed through the cylindrical roller thrust bearing 6 in bearing holder (housing, cover) 2, the taper roller axle
Holding 5 includes the outer ring that is engaged and inner rings, and inner ring is fixed on the top of compressor arm 9, outer ring be fixed on the inner surface of bearing holder (housing, cover) 2 and
Below inner ring, the bottom of compressor arm 9 is provided with flange platform 901, and the external diameter of flange platform 901 is more than the diameter of bearing holder (housing, cover) 2, compression
The bottom of spring 8 is placed on flange platform 901, and top abuts with the lower surface of cylindrical roller thrust bearing 6.Wherein, lathe and branch
Seat is not drawn into the accompanying drawings.
When workpiece 10 is in upper state living, as shown in figure 1, the piston rod 101 of hydraulic cylinder 1 is in retracted mode, compress
Bar 9 is pressed on outer ring by the inner ring of taper roll bearing 5 to be hung on bearing holder (housing, cover) 2, now the lower surface of bearing holder (housing, cover) 2 and compressor arm
9 upper surface of flange platform 901 separation, both gaps are S.
When the top of rotary table 11 that workpiece 10 is placed on lathe is processed, as shown in Fig. 2 hydraulic cylinder 1 is oil-filled, it is living
Stopper rod 101 stretches out, and bearing holder (housing, cover) 2 oppresses compression spring 8 under the driving of piston rod 101 by cylindrical roller thrust bearing 6, finally
Bearing holder (housing, cover) 2 overcomes the elastic force of compression spring 8 to be pressed on the upper surface of flange platform 901 of compressor arm 9, and both gaps are 0, so that pressure
Workpiece 10 is pressed on rotary table 11 by tight bar 9, and now the inner ring of taper roll bearing 5 separates with outer ring.
When workpiece 10, which needs to rotate, processes another face, as shown in figure 3, the oil pressure by reducing hydraulic cylinder 1, makes it
Piston rod 101 exports the pressure of a very little, and the elastic force of compression spring 8 is more than the pressure of now hydraulic cylinder 1, so compressing
In the presence of spring 8, bearing holder (housing, cover) 2 is jacked up a small distance upwards, makes the flange platform 901 of the lower surface of bearing holder (housing, cover) 2 and compressor arm 9
Upper surface separates a small distance, and both gaps are T (T ＜ S), now compressor arm 9 under the reaction force of compression spring 8 with compared with
Small pressure is pressed on workpiece 10, while the inner ring of taper roll bearing 5 still separates with outer ring, and cylindrical roller thrust bearing
6 can radially move freely within the specific limits, so compressor arm 9 can produce a travelling gap moved in the horizontal direction,
Avoid the inconsistent and caused other strength phenomenon of pivot of compressor arm 9, when so both having solved rotary table revolution by
The problem of to load excessive, solve the problems, such as to produce shift in position during the rotation of workpiece 10 again.
The utility model is axially movable stalling characteristic, and thrust cylindrical rolling using the inside and outside circle of taper roll bearing 5
Sub- bearing 6 can radially move freely characteristic within the specific limits, and cleverly realizing makes compressor arm 9 have adaptive aligning work(
Energy.When rotary table 11 rotates, compress hydraulic cylinder 1 and greatly reduce thrust, the compression spring 8 in bearing holder (housing, cover) 2 overcomes liquid
The pressure of 1 piston rod of cylinder pressure 101 suitably jacks up bearing holder (housing, cover) 2, bearing holder (housing, cover) 2 is separated with compressor arm 9, so as to realize 9 same work of compressor arm
The rotation together of part 10 and rotary table 11.
Preferably, the adaptive aligning device also includes bearing plate 4 and screw 3, and the inner ring passes through bearing plate 4
And screw 3 is locked at the top of the compressor arm 9.
Preferably, annular boss 201 is additionally provided with shown bearing holder (housing, cover) 2, the outer ring is arranged on the upper of annular boss 201
Portion.
Preferably, the cylindrical roller thrust bearing 6 is arranged on the bottom of the annular boss 201.
Preferably, the adaptive aligning device also includes backing plate 7, and the top of the compression spring 8 passes through backing plate 7 and institute
State the lower surface of cylindrical roller thrust bearing 6 abutting.
Preferably, the flange platform 901 is provided with groove 902, and the bottom of the compression spring 8 is placed in groove 902.
Preferably, the compression spring 8 is enclosed on the outside of the compressor arm 9.
Preferably, the compression spring 8 is butterfly spring.
The utility model is compressed by hydraulic cylinder to the workpiece on rotary table, and Work-sheet pressing is firm；
Hydraulic cylinder can be processed state and rotation status in workpiece and apply different pressure respectively, be held when reducing rotary table rotation
The pressure received, so as to the rotation of rotary table；The work caused by hydraulic cylinder and rotating center decentraction can be avoided
Shift in position problem when part rotates.
Preferred embodiment of the present utility model is given in accompanying drawing.But the utility model can be with many different shapes
Formula is realized, however it is not limited to embodiment described by this specification.On the contrary, the purpose for providing these embodiments is made to this reality
With the understanding more thorough and comprehensive of new disclosure.
Claims (8)
- A kind of 1. pressing device of rotational workpieces, it is characterised in that including hydraulic cylinder and adaptive aligning device, the hydraulic cylinder Be fixed on vertically on lathe by the bearing on lathe and the piston rod of hydraulic cylinder towards lathe rotary table, it is described adaptive Aligning device is answered to include compressor arm, bearing holder (housing, cover), taper roll bearing, cylindrical roller thrust bearing and at least one compression spring, The top of the bearing holder (housing, cover) and the lower end of piston rod are fastenedly connected, and the top of the compressor arm is disposed through pushing away in bearing holder (housing, cover) Power cylinder roller bearing, the taper roll bearing includes the outer ring being engaged and inner ring, inner ring are fixed on the top of compressor arm, Outer ring is fixed on the inner surface of bearing holder (housing, cover) and below inner ring, and the bottom of compressor arm is provided with flange platform, and the external diameter of flange platform is big In the diameter of bearing holder (housing, cover), the bottom of compression spring is placed on flange platform, and top abuts with cylindrical roller thrust bearing lower surface.
- 2. the pressing device of rotational workpieces according to claim 1, it is characterised in that the adaptive aligning device also wraps Bearing plate and screw are included, the inner ring is by bearing plate and screw lock at the top of the compressor arm.
- 3. the pressing device of rotational workpieces according to claim 1, it is characterised in that be additionally provided with annular in shown bearing holder (housing, cover) Boss, the outer ring are arranged on the top of annular boss.
- 4. the pressing device of rotational workpieces according to claim 3, it is characterised in that the cylindrical roller thrust bearing is set Put in the bottom of the annular boss.
- 5. the pressing device of rotational workpieces according to claim 1, it is characterised in that the adaptive aligning device also wraps Backing plate is included, the top of the compression spring is abutted by backing plate and the cylindrical roller thrust bearing lower surface.
- 6. the pressing device of rotational workpieces according to claim 1, it is characterised in that the flange platform is provided with groove, The bottom of the compression spring is placed in groove.
- 7. the pressing device of rotational workpieces according to claim 1, it is characterised in that the compression spring is enclosed on the pressure The outside of tight bar.
- 8. the pressing device of rotational workpieces according to claim 1, it is characterised in that the compression spring is butterfly bullet Spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720244191.5U CN206662800U (en) | 2017-03-14 | 2017-03-14 | A kind of pressing device of rotational workpieces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720244191.5U CN206662800U (en) | 2017-03-14 | 2017-03-14 | A kind of pressing device of rotational workpieces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206662800U true CN206662800U (en) | 2017-11-24 |
Family
ID=60376296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720244191.5U Withdrawn - After Issue CN206662800U (en) | 2017-03-14 | 2017-03-14 | A kind of pressing device of rotational workpieces |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206662800U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106826316A (en) * | 2017-03-14 | 2017-06-13 | 环球工业机械（东莞）有限公司 | A kind of hold-down gear of rotational workpieces |
| CN108405715A (en) * | 2018-05-11 | 2018-08-17 | 安徽金越轴承有限公司 | A kind of bearing retainer processing perforating device and drilling technology |
| CN108890524A (en) * | 2018-07-10 | 2018-11-27 | 安徽新境界自动化技术有限公司 | A kind of artificial part pressing device of automatically grinding machine |
-
2017
- 2017-03-14 CN CN201720244191.5U patent/CN206662800U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106826316A (en) * | 2017-03-14 | 2017-06-13 | 环球工业机械（东莞）有限公司 | A kind of hold-down gear of rotational workpieces |
| CN106826316B (en) * | 2017-03-14 | 2019-04-16 | 环球工业机械（东莞）有限公司 | A kind of pressing device of rotational workpieces |
| CN108405715A (en) * | 2018-05-11 | 2018-08-17 | 安徽金越轴承有限公司 | A kind of bearing retainer processing perforating device and drilling technology |
| CN108890524A (en) * | 2018-07-10 | 2018-11-27 | 安徽新境界自动化技术有限公司 | A kind of artificial part pressing device of automatically grinding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171124 Effective date of abandoning: 20190416 |
|
| AV01 | Patent right actively abandoned |