CN201513409U - Structure of hydraulic support cylinder body - Google Patents
Structure of hydraulic support cylinder body Download PDFInfo
- Publication number
- CN201513409U CN201513409U CN2009200579466U CN200920057946U CN201513409U CN 201513409 U CN201513409 U CN 201513409U CN 2009200579466 U CN2009200579466 U CN 2009200579466U CN 200920057946 U CN200920057946 U CN 200920057946U CN 201513409 U CN201513409 U CN 201513409U
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- CN
- China
- Prior art keywords
- piston
- rising
- conical surface
- support
- hydraulic pressure
- 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.)
- Expired - Fee Related
Links
- 230000000630 rising Effects 0.000 claims abstract description 54
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 10
- 239000010959 steel Substances 0.000 claims abstract description 10
- 230000000875 corresponding Effects 0.000 claims abstract description 7
- 241000013987 Colletes Species 0.000 claims description 27
- 210000003660 Reticulum Anatomy 0.000 claims description 25
- 239000010720 hydraulic oil Substances 0.000 claims description 13
- 238000003754 machining Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 6
- 239000003921 oil Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000003116 impacting Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 208000002925 Dental Caries Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Abstract
The utility model relates to the technical field of hydraulic cylinder products, in particular to a structure of a hydraulic support cylinder body capable of working stably under low voltage. A support piston and a cylinder clamp are mounted in the hydraulic support cylinder body; a plunger piston is coated and clamped by the cylinder clamp; the support piston is provided with a rising conical surface; the cylinder clamp is provided with a stressed conical surface corresponding to the rising conical surface; the support piston moves upwardly under hydraulic action; and the rising conical surface exerts a horizontal clamping force on the stressed conical surface; that is, not only is the plunger piston pushed by the rising conical surface to press a workpiece, but also the plunger piston is clamped and fixed through the cylinder clamp, so as to support the plunger piston in stable state. By exerting a powerful gripping force on the plunger piston through steel balls and the tailor-made cylinder clamp, the utility model has compact structure and strong supporting force, also can work stably within the low-voltage range, can eliminate cutting load and vibration thoroughly due to the strong supporting force, can effectively avoid deformation of a workpiece, absorbs a cutting force, and improves machining precision and quality.
Description
Technical field:
The utility model relates to the oil hydraulic cylinder product technical field, refers in particular to a kind of hydraulic pressure shoring body structure of stable operation under low pressure.
Background technique:
In CNC (numerical control machine tool) machining, need use oil hydraulic cylinder (adopting oil hydraulic cylinder usually) usually.The impacting force that produces by oil hydraulic cylinder acts on the processed workpiece, workpiece is played the effect that compresses, supports.The oil hydraulic cylinder of this support usefulness produces support force with after Work-sheet pressing contacts to workpiece, reduces the vibration of workpiece in course of working, prevents the workpiece deformation processed, and can absorb cutting force, promotes the machining accuracy and the quality of workpiece.
But, have following shortcoming at present in this series products of market: support oil hydraulic cylinder job insecurity under low-pressure state of usefulness, can not produce powerful support force.Simultaneously, this series products structure adopts metal thin-wall deformation principle, after growing in the operating time, causes metal fatigue easily, can not smooth and easy work.Can't realize above-mentioned effect to workpiece support.
The model utility content:
Technical problem to be solved in the utility model is exactly in order to overcome the deficiency of present product, a kind of hydraulic pressure shoring body structure that the stable support effect can be provided at low-pressure state to be provided.
For solving the problems of the technologies described above, the utility model has adopted following technological scheme: the plunger that this product comprises hydraulic pressure shoring body, is installed on intrinsic rising piston and promotes by the rising piston, the collet chuck of one support piston and double team plunger also is installed in body, support piston has a rising conical surface, collet chuck has the stressed conical surface corresponding with this rising conical surface, support piston moves up by hydraulic pressure, and its rising conical surface produces horizontal clamping force to the stressed conical surface.Be that the utility model removes by rising piston promotion plunger, workpiece produced outside the impacting force that also fill in row by the collet chuck coupled columns and be fixedly clamped, it is in stable condition to be used to support plunger.
Furthermore, described body is equipped with a bonnet, forms the cylinder body that is used to install the rising piston in the bonnet.
Be arranged with a rising piston spring on the above-mentioned rising piston,
Above-mentioned plunger has hollow cavity, and it is placed in the cylinder body periphery of bonnet; The rising piston tip is extended the cylinder body of bonnet, and between rising piston tip and plunger inwall a piston spring is installed.The piston that promptly rises does not directly promote plunger and rises, and rises but promote plunger by the elastic force that piston spring produces.
Above-mentioned support piston is sheathed on the cylinder body of bonnet, offers the through hole that enters for hydraulic oil on bonnet.
In the technique scheme, between the rising conical surface of support piston and the stressed conical surface of collet chuck steel ball is installed.Transmit horizontal pressure force, the power of can reducing friction by steel ball.
Described collet chuck is suspended on the hanging platform.Particularly, described hanging platform is fixed on the inboard wall of cylinder block of body, and this hanging platform has a horizontal ledge; Offer on the collet chuck outer wall one with the horizontal ledge corresponding groove.
Between described support piston and hanging platform, piston spring is installed.Make support piston under off working state, be in the position of minimum point by this piston spring.
During the utility model work, because the active force of hydraulic oil, the rising piston rises in advance, and meanwhile, plunger borrows piston spring power to rise, and makes its top contact with workpiece. after plunger touches workpiece, stop to rise.The rising piston continues to rise until the top.Behind the rising piston arrives top, support piston begins to rise under the effect of hydraulic oil.In uphill process, the conical surface of support piston will produce horizontal clamping action power to the stressed conical surface of collet chuck, by steel ball plunger be produced powerful grip force, and form support force.So, fill in rising under the acting in conjunction of alive and collet chuck, reach the purpose that plunger is supported.
The utility model since by steel ball and special collet chuck to the powerful grip force of plunger generation, its compact structure, support force is strong, also can stable operation in low pressure range, powerful support force can thoroughly be eliminated chip-load and vibration.Can prevent workpiece deformation effectively, absorb cutting force, promote machining accuracy and quality.
Description of drawings:
Fig. 1 is the structural representation of the utility model original state;
Fig. 2 is the structural representation of the utility model working state.
Embodiment:
Below in conjunction with accompanying drawing the utility model is further described:
See that the utility model comprises shown in Fig. 1～2: hydraulic pressure shoring body 1, rising piston 2, plunger 3, support piston 4, collet chuck 5, steel ball 6 and hanging platform 7.Wherein, body 1 is a cylinder body, and rising piston 2, plunger 3, support piston 4, collet chuck 5, steel ball 6 and hanging platform 7 are installed in the body 1.Lower end mouth at body 1 is equipped with bonnet 10, by 1 sealing of 10 pairs of bodies of bonnet, and also forms a hydraulic cylinder in the bonnet 10, and this cylinder body is used to install rising piston 2.
Rising piston 2 is installed in the cylinder body of moulding in the bonnet 10, and the piston rod of rising piston 2 has the top of bonnet 10 to stretch out, and the top of this piston rod is fixed with a screw.One rising piston spring 21 is installed in bonnet 10, this rising piston spring 21 is set on the piston rod of rising piston, do not receive the pressure of hydraulic oil when rising piston 2 bottoms and do the time spent, active force by this rising piston spring 21, make rising piston 21 be crushed on the position of minimum point, as shown in Figure 1.
Plunger 3 has hollow cavity, and it is placed in the cylinder body periphery of bonnet 10; Rising piston 2 tops are extended the cylinder body of bonnet 10 and are stretched in these plunger 3 cavitys.The contact bolt 30 that has been threaded on the top of plunger 3, this contact bolt 30 acts on the workpiece, to workpiece formation impacting force.Screw on rising piston 2 tops is fixed with a piston spring 31 with contacting of plunger 3 between bolt 30 bottoms.When rising piston 2 is subjected to hydraulic oil effect rising, this piston spring 31 will be compressed, and rise thereby promote plunger 3 by the elastic force that piston spring 31 produces.
Support piston 4 is sheathed on the cylinder body of bonnet 10, and between the outer wall of support piston 4 and bonnet cylinder body Sealing is installed, and reveals to place hydraulic oil.In addition, offer the through hole 100 that enters for hydraulic oil on bonnet 10, hydraulic oil enters between support piston 4 and the bonnet 10 by this through hole 100 and forms hydraulic space, promotes support piston 4 and rises.
In addition, these support piston 4 inwalls form a rising conical surface 41.
Collet chuck 5 is used for double team plunger 3, adopts 5 pairs of plungers of two collet chucks 3 to form strong clamping usually at least.Collet chuck 5 is positioned at the upper end of support piston 4, its outer wall forms a stressed conical surface 51 corresponding with the rising conical surface 41, like this, when support piston 4 moves up by hydraulic pressure, 41 pairs of stressed conical surfaces 51 of its rising conical surface produce a horizontal clamping force, form strong clamping support thereby promote 5 pairs of plungers of collet chuck 3.
In order to reduce friction, between the rising conical surface 41 of support piston 4 and the stressed conical surface 51 of collet chuck 5 steel ball 6 is installed.By horizontal pressure force in the steel ball biography.
In the utility model, collet chuck 5 is to be suspended on the hanging platform 7.Concrete structure is as follows: hanging platform 7 is fixed on angle on the inboard wall of cylinder block of body 1, and this hanging platform 7 has a horizontal ledge 71; Offer on collet chuck 5 outer walls one with horizontal ledge 71 corresponding groove 52, by cooperating of horizontal ledge 71 and groove 52, collet chuck 5 is suspended on the hanging platform 7, and can realize moving horizontally.
In addition, between described support piston 4 and the hanging platform 7 piston spring 42 is installed.Make support piston 4 under off working state, be in the position of minimum point by this piston spring 42, as shown in Figure 1.
During the utility model work, hydraulic oil is entered in its cylinder body by bonnet 10 ports, because the active force of hydraulic oil, rising piston 2 rises in advance, and meanwhile, plunger 3 borrows piston spring power 31 to rise, and makes its top contact with workpiece.After plunger 3 touches workpiece, stop to rise.Rising piston 2 continues rising at hydraulic pressure by under acting on, until the top.After rising piston 2 outreaches, hydraulic oil will enter in the hydraulic cylinder of support piston 4 by through hole 100, under the effect of hydraulic oil, begin to rise, in uphill process, the last conical surface 41 of support piston 4 will produce horizontal clamping action power to the stressed conical surface 51 of collet chuck 5, produce powerful grip force by 5 pairs of plungers of collet chuck 3, and form support force.So, under the acting in conjunction of rise plug alive 2 and collet chuck 5, reach the purpose that plunger 3 is supported.
Certainly, the above only is the utility model example, be not to limit the utility model practical range, all equivalences of doing according to the described structure of the utility model claim, feature and principle change or modify, and all should be included in the utility model claim.
Claims (9)
1. hydraulic pressure shoring body structure, comprise: hydraulic pressure shoring body (1), the plunger (3) that is installed on the rising piston (2) in the body (1) and promotes by rising piston (2), it is characterized in that: the collet chuck (5) that a support piston (4) and double team plunger (3) also are installed in body (1), support piston (4) has a rising conical surface (41), collet chuck (5) has the stressed conical surface (51) corresponding with this rising conical surface (41), support piston (4) moves up by hydraulic pressure, and its rising conical surface (41) produces horizontal clamping force to the stressed conical surface (51).
2. a kind of hydraulic pressure shoring body structure according to claim 1, it is characterized in that: described body (1) is equipped with a bonnet (10), and bonnet forms the cylinder body that is used to install rising piston (2) in (10).
3. a kind of hydraulic pressure shoring body structure according to claim 2 is characterized in that: be arranged with a rising piston spring (21) on the described rising piston (2).
4. a kind of hydraulic pressure shoring body structure according to claim 3, it is characterized in that: described plunger (3) has hollow cavity, and it is placed in the cylinder body periphery of bonnet (10); The cylinder body of bonnet (10) is extended on rising piston (2) top, and between rising piston (2) top and plunger (3) inwall a piston spring (31) is installed.
5. a kind of hydraulic pressure shoring body structure according to claim 4, it is characterized in that: described support piston (4) is sheathed on the cylinder body of bonnet (10), offers the through hole (100) that enters for hydraulic oil on bonnet (10).
6. according to any described a kind of hydraulic pressure shoring body structure among the claim 1-5, it is characterized in that: between the rising conical surface (41) of described support piston (4) and the stressed conical surface (51) of collet chuck (5) steel ball (6) is installed.
7. a kind of hydraulic pressure shoring body structure according to claim 6, it is characterized in that: described collet chuck (5) is suspended on the hanging platform (7).
8. a kind of hydraulic pressure shoring body structure according to claim 7, it is characterized in that: described hanging platform (7) is fixed on the inboard wall of cylinder block of body (1), and this hanging platform (7) has a horizontal ledge (71); Offer on collet chuck (5) outer wall one with horizontal ledge (71) corresponding groove (52).
9. a kind of hydraulic pressure shoring body structure according to claim 8 is characterized in that: between described support piston (4) and hanging platform (7) piston spring (42) is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200579466U CN201513409U (en) | 2009-06-05 | 2009-06-05 | Structure of hydraulic support cylinder body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200579466U CN201513409U (en) | 2009-06-05 | 2009-06-05 | Structure of hydraulic support cylinder body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201513409U true CN201513409U (en) | 2010-06-23 |
Family
ID=42484817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200579466U Expired - Fee Related CN201513409U (en) | 2009-06-05 | 2009-06-05 | Structure of hydraulic support cylinder body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201513409U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103182650A (en) * | 2012-11-30 | 2013-07-03 | 宁波旭升机械有限公司 | Expansion-type pressing plate and using method thereof |
| CN103486106A (en) * | 2013-09-18 | 2014-01-01 | 毕晴春 | Floating supporting oil cylinder |
-
2009
- 2009-06-05 CN CN2009200579466U patent/CN201513409U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103182650A (en) * | 2012-11-30 | 2013-07-03 | 宁波旭升机械有限公司 | Expansion-type pressing plate and using method thereof |
| CN103486106A (en) * | 2013-09-18 | 2014-01-01 | 毕晴春 | Floating supporting oil cylinder |
| CN103486106B (en) * | 2013-09-18 | 2015-10-21 | 毕晴春 | A kind of floating support oil cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100623 Termination date: 20110605 |