CN105033300A - Liquid plastic clamp special for thin-wall shaft sleeve - Google Patents
Liquid plastic clamp special for thin-wall shaft sleeve Download PDFInfo
- Publication number
- CN105033300A CN105033300A CN201510559814.3A CN201510559814A CN105033300A CN 105033300 A CN105033300 A CN 105033300A CN 201510559814 A CN201510559814 A CN 201510559814A CN 105033300 A CN105033300 A CN 105033300A
- Authority
- CN
- China
- Prior art keywords
- sealing ring
- thin
- expanding mandrel
- liquid plastic
- shaft sleeve
- 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.)
- Granted
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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
- B23B31/40—Expansion mandrels
- B23B31/4073—Gripping the work or tool between planes almost perpendicular to the axis
Abstract
The invention discloses a liquid plastic clamp special for a thin-wall shaft sleeve. The liquid plastic clamp comprises a clamp body, an expanding sleeve used for expanding an inner hole of parts such as the thin-wall shaft sleeve, and a bearing nail used for positioning end faces of parts such as the thin-wall shaft sleeve. The clamp body comprises a connecting portion and an expanding mandrel. A cavity is formed in the clamp body. The expanding mandrel and the expanding sleeve are sealed through a sealing ring. A screw used for sealing the cavity is arranged in the connecting portion. A plunger used for sealing the cavity is arranged in the expanding mandrel, is in sliding fit with the inner wall of the expanding mandrel and is coaxial with the clamp body. The end of the expanding mandrel is provided with a bolt which acts on the plunger when screwed in so as to push liquid plastic in the cavity, and the bolt is coaxial with the clamp body. The plunger is provided with a sealing groove, and a sealing ring is arranged in the sealing groove. The liquid plastic clamp has the beneficial effects that the sealing performance is good, liquid plastic will not be leaked after the clamp is used for a long time, and therefore the stable machining precision and safe and reliable clamping force effect are guaranteed.
Description
Technical field
The present invention relates to the technical field of mechanical Set and Positioning, be specifically related to the Liquid plastic clamp that a kind of thin-wall shaft sleeve is special.
Background technology
Because user has more and more higher requirement to machining accuracy, working (machining) efficiency and processing cost, so impelled clamp technology development.Nowadays, in the processing of precise thin-wall class part, traditional collet chuck chuck and clamping chuck can not meet the requirement of user to part high-precision, high efficiency, low processing cost, and the advantage of Liquid plastic clamp in the processing of precise thin-wall Model For The Bush-axle Type Parts is further obvious.Utilize Liquid plastic clamp to process, solve the yielding and vibration cutting problem of workpiece in conventional processes, working (machining) efficiency improves more than 1 times, and machining accuracy is more guaranteed, is thus applied to the processing of precise thin-wall Model For The Bush-axle Type Parts more and more widely.
Chinese patent CN201510000743 discloses a kind of hydraulic fluid and moulds the dabber clamp that rises; pull bar and the adapter sleeve inwall of this technology are slidably connected; without seal protection; after using a period of time; its adapter sleeve inwall is worn and expands; cause liquid plastics to leak, part processing precision decline and fixture can be caused to lose the situation of clamping action.
Summary of the invention
It is high that technical problem to be solved by this invention is to provide a kind of precision, and structure is simple, and good airproof performance, the life-span is long, meets the Liquid plastic clamp that a kind of thin-wall shaft sleeve of precise thin-wall class parts fixation is special.
The technical solution realizing the object of the invention is: the Liquid plastic clamp that thin-wall shaft sleeve is special, comprise chuck body, for the expansion sleeve of swelling thin-walled axle sleeve type part endoporus and the supporting nail for locating thin-walled axle sleeve type part end face, described chuck body comprises connecting portion and expanding mandrel, described chuck body inside arranges a cavity, described cavity runs through connecting portion and expanding mandrel, and described expanding mandrel is provided with the radial direction through hole of several and inner space; Described expansion sleeve fixed cover is located on described expanding mandrel, described cavity is built with liquid plastics, described supporting nail is fixed in chuck body, it is characterized in that: sealed by sealing ring between described expanding mandrel and expansion sleeve, the screw for sealed cavity is provided with in connecting portion, be provided with the plunger for sealed cavity in described expanding mandrel, described plunger and expanding mandrel inwall are slidably matched, and coaxial with chuck body; Described expanding mandrel end acts on plunger when being provided with precession thus promotes the bolt of the liquid plastics in cavity, and coaxial with chuck body, and described plunger is provided with seal groove, is provided with sealing ring in seal groove.
Described sealing ring quantity is three, be respectively sealing ring one, sealing ring two and sealing ring three, the area of section of the radial direction of sealing ring one and sealing ring two is equal, internal diameter is equal and be neck and neck bottom seal groove, sealing ring three and sealing ring one, sealing ring about two overlap in seal groove, the equal elastic deformation in seal groove of all sealing rings forms certain pressure and linear contact mutually, and sealing ring three and expanding mandrel inwall form annular and linearly contact.
Described sealing ring one, sealing ring two and sealing ring three are made by hollow metal material.
Described expansion sleeve is dicyclo groove thin walled cylinder body.
Described expansion sleeve is located by holding screw and is fixed on expanding mandrel.
Described axially uniform three, supporting nail opposed jaw body central axle.
Described connecting portion is provided with the installing hole with the connection of lathe screw rod.
The special Liquid plastic clamp of thin-wall shaft sleeve of the present invention has following beneficial effect:
1) be provided with seal groove in the middle part of plunger, and three road metal o-rings are housed respectively, the mutual elastic deformation of three seals circle forms certain pressure, and sealing ring and the inner wall deformation of through hole are formed, and certain pressure is linear to be contacted.Because the contact of sealing ring and through-hole wall is linearly contact, contact area is less, and thus frictional resistance is little, be not easy wearing and tearing, the life-span is improved, good airproof performance, after Long-Time Service, liquid plastics can not leak, thus ensure that stable machining accuracy and safe and reliable clamping force effect.
2) by changing the expansion sleeve of various outer diameter, the processing of the thin-walled axle sleeve type part of different-diameter is adapted to;
3) expansion sleeve is dicyclo groove thin walled cylinder body, and part to be processed centering precision in installation process is high.
4) due to the incompressible characteristic of liquid plastics, by liquid plastics transmission of pressure, the even radial direction of expansion sleeve can be made to swell, and working face contact rate is high, realizes the gapless clamping to thin wall component;
5) chuck body is provided with installing hole, can be installed on different lathes, and interchangeability is strong, easy for installation, can meet various occasion and use.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and embodiment, the present invention is elaborated;
Fig. 1 is structural representation of the present invention;
Fig. 2 is the enlarged drawing at I place in Fig. 1;
Fig. 3 is the structural representation of chuck body of the present invention;
Fig. 4 is using state figure of the present invention.
Detailed description of the invention
As shown in Figure 1 to 4; the Liquid plastic clamp that thin-wall shaft sleeve is special; comprise chuck body 1, for the expansion sleeve 2 of swelling thin-walled axle sleeve type part endoporus and the supporting nail 3 for locating thin-walled axle sleeve type part end face; described chuck body 1 comprises connecting portion 1.1 and expanding mandrel 1.2; described chuck body inside arranges a cavity 1.3; described cavity 1.3 runs through connecting portion 1.1 and expanding mandrel 1.2, and described expanding mandrel 1.2 is provided with several radial direction through hole 1.4 be communicated with inner chamber 1.3; Described expansion sleeve 2 fixed cover is located on described expanding mandrel 1.2, described cavity 1.3 is built with liquid plastics 4, described supporting nail 3 to be fixed in chuck body 1 and opposed jaw body 1 central shaft axially uniform three, sealed by sealing ring 5 between described expanding mandrel 1.2 and expansion sleeve 2, the screw 6 for sealed cavity 1.3 is provided with in connecting portion 1.1, the plunger 7 for sealed cavity 1.3 is provided with in described expanding mandrel 1.2, described plunger 7 is slidably matched with expanding mandrel 1.2 inwall, and coaxial with chuck body 1; Described expanding mandrel 1.2 end acts on plunger 7 when being provided with precession thus promotes the bolt 8 of the liquid plastics 4 in cavity, and coaxial with chuck body 1, and described plunger 7 is provided with seal groove 7.1, is provided with sealing ring 9 in seal groove 7.1.
Described sealing ring 9 quantity is three, be respectively sealing ring 1, sealing ring 2 9.2 and sealing ring 3 9.3, the area of section of the radial direction of sealing ring 1 and sealing ring 2 9.2 is equal, internal diameter is equal and be neck and neck bottom seal groove 7.1, sealing ring 3 9.3 and sealing ring 1, sealing ring about 2 9.2 overlap in seal groove, the equal elastic deformation in seal groove 7.1 of all sealing rings forms certain pressure and linear contact mutually, and sealing ring 3 9.3 and expanding mandrel 1.2 inwall form annular and linearly contact.
Described sealing ring 1, sealing ring 2 9.2 and sealing ring 3 9.3 are made by hollow metal material.
Described expansion sleeve 2 is dicyclo groove thin walled cylinder body.Described expansion sleeve 2 is located and is fixed on by holding screw 10 on expanding mandrel 1.2.The front end of expansion sleeve 2 arranges several for the smooth steam vent 2.1 pouring into liquid plastics 4 in cavity 1.3, and steam vent 2.1 is symmetrical arranged two relative to the central shaft of chuck body 1.The inwall of described steam vent 2.1 arranges screw thread, and a trip bolt 11 and threaded engagement are used for seal-swelling and overlap 2.When pouring into liquid plastics, trip bolt 11 of outwarding winding, is vented when being easy to encapsulating; After filling, tighten trip bolt 11, play the effect of seal-swelling cover 2.
Described connecting portion 1.1 is provided with the installing hole 1.5 with the connection of lathe screw rod.
Claims (7)
1. the Liquid plastic clamp that thin-wall shaft sleeve is special, comprise chuck body, for the expansion sleeve of swelling thin-walled axle sleeve type part endoporus and the supporting nail for locating thin-walled axle sleeve type part end face, described chuck body comprises connecting portion and expanding mandrel, described chuck body inside arranges a cavity, described cavity runs through connecting portion and expanding mandrel, and described expanding mandrel is provided with the radial direction through hole of several and inner space; Described expansion sleeve fixed cover is located on described expanding mandrel, described cavity is built with liquid plastics, described supporting nail is fixed in chuck body, it is characterized in that: sealed by sealing ring between described expanding mandrel and expansion sleeve, the screw for sealed cavity is provided with in connecting portion, be provided with the plunger for sealed cavity in described expanding mandrel, described plunger and expanding mandrel inwall are slidably matched, and coaxial with chuck body; Described expanding mandrel end acts on plunger when being provided with precession thus promotes the bolt of the liquid plastics in cavity, and coaxial with chuck body, and described plunger is provided with seal groove, is provided with sealing ring in seal groove.
2. the Liquid plastic clamp that thin-wall shaft sleeve according to claim 1 is special, it is characterized in that: described sealing ring quantity is three, be respectively sealing ring one, sealing ring two and sealing ring three, the area of section of the radial direction of sealing ring one and sealing ring two is equal, internal diameter is equal and be neck and neck bottom seal groove, sealing ring three and sealing ring one, sealing ring about two overlap in seal groove, the equal elastic deformation in seal groove of all sealing rings forms certain pressure and linear contact mutually, and sealing ring three and expanding mandrel inwall form annular and linearly contact.
3. the Liquid plastic clamp that thin-wall shaft sleeve according to claim 2 is special, is characterized in that: described sealing ring one, sealing ring two and sealing ring three are made by hollow metal material.
4. the Liquid plastic clamp that thin-wall shaft sleeve according to claim 1 is special, is characterized in that: described expansion sleeve is dicyclo groove thin walled cylinder body.
5. the Liquid plastic clamp that thin-wall shaft sleeve according to claim 1 is special, is characterized in that: described expansion sleeve is located by holding screw and is fixed on expanding mandrel.
6. the Liquid plastic clamp that thin-wall shaft sleeve according to claim 1 is special, is characterized in that: described axially uniform three, supporting nail opposed jaw body central axle.
7. the Liquid plastic clamp that thin-wall shaft sleeve according to claim 1 is special, is characterized in that: described connecting portion is provided with the installing hole with the connection of lathe screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510559814.3A CN105033300B (en) | 2015-09-02 | 2015-09-02 | The special Liquid plastic clamp of thin-wall shaft sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510559814.3A CN105033300B (en) | 2015-09-02 | 2015-09-02 | The special Liquid plastic clamp of thin-wall shaft sleeve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105033300A true CN105033300A (en) | 2015-11-11 |
| CN105033300B CN105033300B (en) | 2017-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510559814.3A Expired - Fee Related CN105033300B (en) | 2015-09-02 | 2015-09-02 | The special Liquid plastic clamp of thin-wall shaft sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105033300B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105458317A (en) * | 2015-12-02 | 2016-04-06 | 四川凌峰航空液压机械有限公司 | Hydraulic tensioning clamping mandrel for thin-wall shaft sleeve |
| CN107030304A (en) * | 2017-05-22 | 2017-08-11 | 孙阳 | A kind of lathe high-accuracy clamp |
| CN109176353A (en) * | 2018-10-18 | 2019-01-11 | 东莞市国森科精密工业有限公司 | A kind of clamping tool of harmonic wave flexbile gear finishing |
| CN110153455A (en) * | 2019-06-13 | 2019-08-23 | 扬州大学 | A kind of novel clamp for thin-walled cylindrical turning |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102401134A (en) * | 2011-07-12 | 2012-04-04 | 四川成都成工工程机械股份有限公司 | Wet brake with step sealing structure |
| CN202291477U (en) * | 2011-11-14 | 2012-07-04 | 重庆潍柴发动机厂 | Self-centering locking mandrel |
| DE202011051311U1 (en) * | 2011-09-15 | 2012-09-18 | EMUGE-Werk Richard Glimpel GmbH & Co. KG Fabrik für Präzisionswerkzeuge | Clamping device for non-positive clamping of one or more workpieces with an internally toothed receiving bore |
| CN202752644U (en) * | 2012-08-08 | 2013-02-27 | 江苏爱吉斯海珠机械有限公司 | Dry-type cylinder liner finish turning fixture |
| CN204975392U (en) * | 2015-09-02 | 2016-01-20 | 南方风机股份有限公司 | Anchor clamps are moulded to dedicated liquid of thin wall axle sleeve |
-
2015
- 2015-09-02 CN CN201510559814.3A patent/CN105033300B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102401134A (en) * | 2011-07-12 | 2012-04-04 | 四川成都成工工程机械股份有限公司 | Wet brake with step sealing structure |
| DE202011051311U1 (en) * | 2011-09-15 | 2012-09-18 | EMUGE-Werk Richard Glimpel GmbH & Co. KG Fabrik für Präzisionswerkzeuge | Clamping device for non-positive clamping of one or more workpieces with an internally toothed receiving bore |
| CN202291477U (en) * | 2011-11-14 | 2012-07-04 | 重庆潍柴发动机厂 | Self-centering locking mandrel |
| CN202752644U (en) * | 2012-08-08 | 2013-02-27 | 江苏爱吉斯海珠机械有限公司 | Dry-type cylinder liner finish turning fixture |
| CN204975392U (en) * | 2015-09-02 | 2016-01-20 | 南方风机股份有限公司 | Anchor clamps are moulded to dedicated liquid of thin wall axle sleeve |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105458317A (en) * | 2015-12-02 | 2016-04-06 | 四川凌峰航空液压机械有限公司 | Hydraulic tensioning clamping mandrel for thin-wall shaft sleeve |
| CN107030304A (en) * | 2017-05-22 | 2017-08-11 | 孙阳 | A kind of lathe high-accuracy clamp |
| CN109176353A (en) * | 2018-10-18 | 2019-01-11 | 东莞市国森科精密工业有限公司 | A kind of clamping tool of harmonic wave flexbile gear finishing |
| CN110153455A (en) * | 2019-06-13 | 2019-08-23 | 扬州大学 | A kind of novel clamp for thin-walled cylindrical turning |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105033300B (en) | 2017-08-01 |
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Granted publication date: 20170801 Termination date: 20210902 |
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| CF01 | Termination of patent right due to non-payment of annual fee |