CN204308235U - Part fixture for processing - Google Patents
Part fixture for processing Download PDFInfo
- Publication number
- CN204308235U CN204308235U CN201420775001.9U CN201420775001U CN204308235U CN 204308235 U CN204308235 U CN 204308235U CN 201420775001 U CN201420775001 U CN 201420775001U CN 204308235 U CN204308235 U CN 204308235U
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- Prior art keywords
- holder
- clamping
- face
- processed
- chuck
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- 230000008961 swelling Effects 0.000 claims abstract description 8
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses a kind of part fixture for processing, comprise chuck and chuck body, chuck body is installed on chuck, and comprise the identical clamping part of at least two structures, multiple clamping part is arranged ringwise, clamping part comprises the first holder and second holder of connection, and the first holder is placed in the second holder one end near chuck body axis; The lateral surface of the first holder extends outside the end face of the second holder along the axis of chuck body, forms the clamping face clamping part to be processed in order to swelling.Deformation is there is already in existing thin wall or cavity class machine components after Long-Time Service, easily again there is deformation because of clamping, the fitting surface of traditional handicraft centering is caused to be non-standard fitting surface, if with this non-standard fitting surface for benchmark is processed, easily make the part to be processed after processing cannot reach actual Geometrical Tolerance Principle, and the utility model efficiently solves this technical problem, ensure that the precision after machine components processing.
Description
Technical field
The utility model relates to field of machining, especially, relates to a kind of part fixture for processing.
Background technology
The machine components such as housing component, sleeve member, annular element, dish or shaft forgings have been widely used in daily life, along with the development of science and technology and the progress of society, the required precision of military and civilian field to machine components is more and more higher, especially be applied to the special-shaped part of some special industry, its machining accuracy is most important.Under traditional handicraft, workshop directly adopts common turner to carry out clamping and centering fitting surface to machine components, again with the fitting surface face of centering for benchmark carries out fine finishining, and above-mentioned machine components mostly are thin-walled or cavity body structure, easily there is deformation because of clamping, and deformation is there is already after Long-Time Service, make obtained datum level and non-standard fitting surface, after further causing machine components processing, actual Geometrical Tolerance Principle cannot be reached.
Utility model content
The utility model provides a kind of part fixture for processing, make the datum level of centering be non-standard fitting surface to solve after existing thin wall or cavity type parts produce deformation because of clamping or use, thus the technical problem of actual Geometrical Tolerance Principle cannot be reached after causing machine components to be processed further.
The technical solution adopted in the utility model is as follows:
A kind of part fixture for processing, comprise chuck and chuck body, chuck body is installed on chuck, comprise the clamping part that at least two structures are identical, multiple clamping part is circular layout, clamping part comprises the first holder and second holder of connection, and described first holder is placed in described second holder near one end of chuck body axis;
The lateral surface of the first holder extends outside the end face of the second holder along the axis of chuck body, forms the clamping face clamping part to be processed in order to swelling.
Further, the first holder is slidably connected or is removably connected to the second holder, the height in axial direction gone up in order to regulate clamping face.
Further, the second holder is arranged at least one shaft-like projection of multidiameter, the miner diameter end of shaft-like projection is connected on the second holder internal ring wall, the spherical in shape or elliposoidal of the structure of the bigger diameter end of shaft-like projection;
The external annulus of the first holder is provided with at least one groove matched with shaft-like projection; Shaft-like projection is placed in groove, is connected with the interference of the second holder in order to realize the first holder.
Further, the external annulus of the first holder is arranged at least one sliding tray, sliding tray extends along the direction perpendicular to the first holder end face, and the cavity hatch place reducing of sliding tray is arranged;
Second holder internal ring wall is arranged at least one slide block protruding, slide block projection coupling is installed in sliding tray, in order to realize being slidably connected of the first holder and the second holder;
The groove face of sliding tray is provided with at least one groove being parallel to the first holder end face, and the convex surface of slide block projection is provided with and embeds with groove the ridge coordinated, in order to the restriction to relative position between the first holder and the second holder.
Further, the first holder is arranged at least one first locating hole, the first locating hole is through to the external annulus of the first holder from the internal ring wall of the first holder;
Second holder is provided with at least one second locating hole coordinated with the first locating hole;
First holder and the second holder by through the first locating hole and the securing member being screwed into the second locating hole removably connect.
Further, annular is circular, oval or polygon.
Further, part to be processed is held on the top of clamping part, and the bottom of clamping part is provided with at least one contiguous block, and one end of contiguous block is removably connected to the first holder, and the other end of contiguous block is removably connected to the second holder.
Further, bottom contiguous block, radial direction is annularly provided with the draw-in groove matched with chuck, is removably connected to chuck in order to realize clamping part.
Further, chuck body also comprises the sleeve that is socketed on clamping face, and the outer wall of sleeve mates with the endoporus of part to be processed, to realize the swelling clamping of part to be processed.
The utility model has following beneficial effect:
The utility model part fixture for processing, be provided with at least two clamping parts that structure is identical, and multiple clamping part is combined into an annular that can match with part to be processed, and the large I free adjustment of this annular is to adapt to hole size in part to be processed, simultaneously, the mode of swelling after fitting by adopting the inner hole surface of clamping face and part to be processed, realize the face clamping treating processing parts, increase the supporting surface of part to be processed and clamp area, make to clamp some uniform force, and reduce cramping stress and contact stress, part to be processed is effectively avoided to produce deformation because of clamping, even if part to be processed produces deformation after using, also be standard fitting surface by the face of endoporus centering, the technical problem of actual Geometrical Tolerance Principle cannot be reached after solving machine components processing further.
Except object described above, feature and advantage, the utility model also has other object, feature and advantage.Below with reference to figure, the utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the front view of the utility model preferred embodiment one;
Fig. 2 is the bottom view of the fixture for processing of part shown in Fig. 1;
Fig. 3 is the sectional view along A-A line in Fig. 2;
Fig. 4 is the johning knot composition of the first holder and the second holder in embodiment one;
Fig. 5 is the structural representation of the first holder in Fig. 4;
Fig. 6 is the structural representation of the second holder in embodiment two;
Fig. 7 is the structural representation of the first holder in embodiment two.
Description of reference numerals:
1, the first holder; 2, the second holder; 3, contiguous block; 11, clamping face; 12, the first locating hole; 13, groove; 14, sliding tray; 23, shaft-like projection; 24, slide block is protruding.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
Embodiment one
With reference to Fig. 1 and Fig. 3, preferred embodiment of the present utility model provides a kind of part fixture for processing, comprise chuck and chuck body, chuck body is installed on chuck, is provided with the clamping part that structure is identical, and its quantity is two or more, and arrange ringwise, the large I free adjustment of this annular is to adapt to hole size in part to be processed, and clamping part comprises again the first holder 1 and the second holder 2 simultaneously, and the first holder 1 is placed in the second holder 2 near one end of chuck body axis, with reference to Fig. 3, the lateral surface of the first holder 1 extends outside the end face of the second holder 2 along the axis of described chuck body, define clamping face 11, clamping face 11 and the inner hole surface of part to be processed fits swelling afterwards, realize the face clamping treating processing parts, both increased the supporting surface of part to be processed and clamped area, make to clamp some uniform force, turn reduce and clamp stress and contact stress, avoid part to be processed and produce distortion because of clamping, even if part to be processed produces deformation after using, also be standard fitting surface by the face of endoporus centering, the requirement of actual form and position tolerance can be reached after ensure that machine components processing.
Alternatively, first holder 1 and the second holder 2 can adopt the affixed or mode of removably connecting to install, wherein affixed welding, riveted joint or the mode such as one-body molded of adopting realizes, and when part to be processed bore depth not for the moment, by mode adjustable holding face 11 height vertically that removably connects, clamping face 11 and inner hole surface is made to reach best face clamping effect, this kind of connected mode is more flexible practical, substantially increase of the present utility model can recycling rate of waterused, indirectly reduce production cost, and have more operability.
Alternatively, with reference to Fig. 4, second holder 2 is provided with multidiameter shaft-like protruding 23, the shaft-like miner diameter end of protruding 23 is affixed or be removably connected on the second holder 2 internal ring wall, spherical in shape or the elliposoidal of the structure of bigger diameter end, with reference to Fig. 5, the external annulus of the first holder 1 is provided with and shaft-like protruding 23 grooves matched 13, when the shaft-like bigger diameter end of protruding 23 is placed in groove 13, the first holder 1 realizes interference with the second holder 2 and is connected.By this kind of mode, can taking apart or being connected easily by the first holder 1 and the second holder 2, in order to the size of flexible modulation clamping face 11, reach better face clamping effect, simultaneously, above-mentioned shaft-like protruding 23 can arrange multiple, to improve the bonding strength between the first holder 1 and the second holder 2.
Alternatively, according to the difference of part demand to be processed, the shape of holder can be selected flexibly, take on a different shape in order to combination, as circular, ellipse, polygon or specific abnormity etc., to meet clamping requirement, especially to the special-shaped part of some special industries, the utility model preferred embodiment has more operability.
Alternatively, part to be processed is held on the top of clamping part, with reference to Fig. 2, the bottom of clamping part is provided with contiguous block 3, one end of contiguous block 3 is removably connected to the first holder 1, the other end of contiguous block 3 is removably connected to the second holder 2, further improves the bonding strength of the first holder 1 and the second holder 2.
Alternatively, bottom contiguous block 3, radial direction is annularly provided with the draw-in groove matched with chuck, and in order to be clamped on chuck by clamping part, adopt this kind of mode, conveniently replaced difform clamping part is to meet the process requirements of dissimilar part to be processed.
Alternatively, the sleeve that one is socketed on clamping face 11 can also be set, as supplemental support, the i.e. outer wall of sleeve and part match to be processed, clamping part then interior opening makes clamping face 11 fit in the inwall of sleeve, in order to realize the swelling clamping treating processing parts, further increase the rigidity of part to be processed, ensure that the machining accuracy of lathe.
In addition, add man-hour to thin wall or cavity type parts, can select the holder assembling flexible material making, to avoid part to be scraped off in process, above-mentioned flexible material can select copper alloy, mild steel or aluminium alloy.
Embodiment two
The structure of this part fixture for processing is substantially identical with embodiment one, and both differences are, is slidably connected between the first holder 1 and the second holder 2.With reference to Fig. 7, the external annulus of the first holder 1 arranges sliding tray 14, and sliding tray 14 extends along the direction perpendicular to the first holder 1 end face, and the cavity hatch place reducing of sliding tray 14 is arranged, with reference to Fig. 6, second holder 2 internal ring wall arranges slide block projection 24, protruding 24 couplings of slide block are installed in sliding tray 14, in order to realize being slidably connected of the first holder 1 and the second holder 2, and, because sliding tray 14 cavity hatch place takes reducing to arrange, the slide block projection 24 of mating with it only can be slided along the direction perpendicular to holder end face in sliding tray 14, both the flexible modulation of clamping face 11 size had been achieved, make again to been significantly enhanced being parallel to the bonding strength on end face direction between the first holder 1 and the second holder 2, simultaneously, this sliding tray 14 or slide block projection 24 can arrange multiple.
In addition, the groove face of sliding tray 14 is provided with the groove being parallel to the first holder 1 end face, the convex surface of slide block projection 24 is provided with the ridge with ditch slot fit simultaneously, when ridge embeds groove, first holder 1 and the second holder 2 clamp, in order to determine the clamping face 11 that can realize best clamping effect, and this groove or ridge can be provided with multiple.
Embodiment three
The structure of this part fixture for processing is substantially identical with embodiment one, both differences are, first holder 1 is arranged the first locating hole 12, first locating hole 12 is through to the external annulus of the first holder 1 from the internal ring wall of the first holder 1, second holder 2 is provided with and the second locating hole stated the first locating hole 12 and coordinate, first holder 1 and the second holder 2 by through the first locating hole 12 and the securing member being screwed into the second locating hole removably connect, above-mentioned first locating hole 12 and the second locating hole can arrange multiple, to improve bonding strength, and adjustable holding face 11 is to suitable size mounting fastener again.Because this kind of mode adopts securing member to be fastenedly connected, so the bonding strength of the first holder 1 and the second holder 2 is higher.
These are only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (9)
1. a part fixture for processing, is characterized in that,
Comprise chuck and chuck body, described chuck body is installed on described chuck, comprise the clamping part that at least two structures are identical, multiple described clamping part is arranged ringwise, described clamping part comprises the first holder (1) and second holder (2) of connection, and described first holder (1) is placed in described second holder (2) one end near described chuck body axis;
The lateral surface of described first holder (1) extends outside the end face of described second holder (2) along the axis of described chuck body, forms the clamping face (11) clamping part to be processed in order to swelling.
2. part fixture for processing according to claim 1, is characterized in that,
Described first holder (1) is slidably connected or is removably connected to described second holder (2), in order to regulate described clamping face (11) along described height axially.
3. part fixture for processing according to claim 2, is characterized in that,
Described second holder (2) is arranged at least one shaft-like projection of multidiameter (23), the miner diameter end of described shaft-like projection (23) is connected on described second holder (2) internal ring wall, the spherical in shape or elliposoidal of the structure of described shaft-like projection (23) bigger diameter end;
The external annulus of described first holder (1) is provided with at least one groove (13) matched with described shaft-like projection (23); Described shaft-like projection (23) is placed in described groove (13), is connected with the interference of described second holder (2) in order to realize described first holder (1).
4. part fixture for processing according to claim 2, is characterized in that,
The external annulus of described first holder (1) arranges at least one sliding tray (14), described sliding tray (14) extends along the direction perpendicular to described first holder (1) end face, and the cavity hatch place reducing of described sliding tray (14) is arranged;
Described second holder (2) internal ring wall arranges at least one slide block projection (24), described slide block projection (24) coupling is installed in described sliding tray (14), in order to realize being slidably connected of the first holder (1) and the second holder (2);
The groove face of described sliding tray (14) is provided with at least one groove being parallel to described first holder (1) end face, the convex surface of described slide block projection (24) is provided with and embeds with described groove the ridge coordinated, in order to the restriction to relative position between described first holder (1) and described second holder (2).
5. part fixture for processing according to claim 2, is characterized in that,
Described first holder (1) is arranged at least one first locating hole (12), described first locating hole (12) is through to the external annulus of described first holder (1) from the internal ring wall of described first holder (1);
Described second holder (2) is provided with at least one second locating hole coordinated with described first locating hole (12);
Described first holder (1) and described second holder (2) by through described first locating hole (12) and the securing member being screwed into described second locating hole removably connect.
6. part fixture for processing according to claim 1, is characterized in that,
Described annular is circular, oval or polygon.
7., according to the arbitrary described part fixture for processing of claim 1 to 6, it is characterized in that,
Described part to be processed is held on the top of described clamping part, the bottom of described clamping part is provided with at least one contiguous block (3), one end of described contiguous block (3) is removably connected to the first holder (1), and the other end of described contiguous block (3) is removably connected to the second holder (2).
8. part fixture for processing according to claim 7, is characterized in that,
Described contiguous block (3) bottom is provided with along the radial direction of described annular the draw-in groove matched with described chuck, is removably connected to described chuck in order to realize described clamping part.
9., according to the arbitrary described part fixture for processing of claim 1 to 6, it is characterized in that,
Described chuck body also comprises the sleeve that is socketed on described clamping face (11), and the outer wall of described sleeve mates with the endoporus of part to be processed, to realize the swelling clamping of described part to be processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420775001.9U CN204308235U (en) | 2014-12-09 | 2014-12-09 | Part fixture for processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420775001.9U CN204308235U (en) | 2014-12-09 | 2014-12-09 | Part fixture for processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204308235U true CN204308235U (en) | 2015-05-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420775001.9U Expired - Fee Related CN204308235U (en) | 2014-12-09 | 2014-12-09 | Part fixture for processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204308235U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105328490A (en) * | 2015-12-03 | 2016-02-17 | 东方电气集团东方汽轮机有限公司 | Heat-shield turning assisting device and operating method |
| CN105665768A (en) * | 2015-11-27 | 2016-06-15 | 宁波君灵模具技术有限公司 | Tool capable of quickly expanding workpiece |
| CN106425926A (en) * | 2016-10-20 | 2017-02-22 | 成都久欣时代科技有限公司 | Pressing type guided missile warhead fixture |
| CN106735377A (en) * | 2017-01-19 | 2017-05-31 | 安徽铖友汽车零部件制造有限公司 | Pneumatic scroll chuck |
| CN108838964A (en) * | 2018-07-25 | 2018-11-20 | 浙江梅轮电梯股份有限公司 | A kind of column installation positioning tool of escalator |
| CN112959092A (en) * | 2021-03-17 | 2021-06-15 | 中国航发动力股份有限公司 | Tool clamp and method for split case |
-
2014
- 2014-12-09 CN CN201420775001.9U patent/CN204308235U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105665768A (en) * | 2015-11-27 | 2016-06-15 | 宁波君灵模具技术有限公司 | Tool capable of quickly expanding workpiece |
| CN105665768B (en) * | 2015-11-27 | 2017-12-01 | 宁波市北仑鑫林机电模具有限公司 | A kind of frock of quick tensioner workpiece |
| CN105328490A (en) * | 2015-12-03 | 2016-02-17 | 东方电气集团东方汽轮机有限公司 | Heat-shield turning assisting device and operating method |
| CN106425926A (en) * | 2016-10-20 | 2017-02-22 | 成都久欣时代科技有限公司 | Pressing type guided missile warhead fixture |
| CN106425926B (en) * | 2016-10-20 | 2018-07-24 | 成都久欣时代科技有限公司 | A kind of top-closed structure guided missile head frock clamp |
| CN106735377A (en) * | 2017-01-19 | 2017-05-31 | 安徽铖友汽车零部件制造有限公司 | Pneumatic scroll chuck |
| CN108838964A (en) * | 2018-07-25 | 2018-11-20 | 浙江梅轮电梯股份有限公司 | A kind of column installation positioning tool of escalator |
| CN108838964B (en) * | 2018-07-25 | 2024-06-04 | 浙江梅轮电梯股份有限公司 | Upright post installation positioning tool of escalator |
| CN112959092A (en) * | 2021-03-17 | 2021-06-15 | 中国航发动力股份有限公司 | Tool clamp and method for split case |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150506 |