CN106334958A - Machining clamp for uniformly applying force to clamped part - Google Patents
Machining clamp for uniformly applying force to clamped part Download PDFInfo
- Publication number
- CN106334958A CN106334958A CN201610963189.3A CN201610963189A CN106334958A CN 106334958 A CN106334958 A CN 106334958A CN 201610963189 A CN201610963189 A CN 201610963189A CN 106334958 A CN106334958 A CN 106334958A
- Authority
- CN
- China
- Prior art keywords
- elastic ring
- column
- base
- bolt
- clamping
- 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
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
- B23Q3/065—Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding workpieces being specially deformable, e.g. made from thin-walled or elastic material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a machining clamp for uniformly applying force to a clamped part. The clamp comprises a base, a compressing part, a stand column fixed to the base and an elastic ring arranged on the stand column in a sleeving manner; the appearance of the elastic ring is in a concentric special-diameter tube shape with the diameter of one end larger than that of the other end, a gap is further formed in the side face of the elastic ring, and the gap extends to the other end of the elastic ring from one end of the elastic ring; the compressing part is used for applying pressure stress in the axis direction of the elastic ring to the end face of the elastic ring. According to the clamp, on the premise of not damaging the original size or shape of an annular part, effective fixing of the annular part in the machining process can be effectively achieved.
Description
Technical field
The present invention relates to part machining technique field, more particularly to a kind of to by the machine of the part uniform force application of clamping
Clamp for machining.
Background technology
Ring-shaped work pieces is the tubular part of profile, for meeting assembling needs, the end face of these parts generally require into
The machining of one step, is such as the bolt connection completing ring-shaped work pieces and end cap, generally requires to carry out on the end face of ring-shaped work pieces
Internal thread hole Drilling operation, for making that there is between ring-shaped work pieces and end cap good sealing property, generally require to annular zero
The end face of part carries out surface grinding process.
Between the end face to ring-shaped work pieces is processed, need to complete the fixation of ring-shaped work pieces using clamping device, existing
There is the clamping device adopting on lathe in technology can be scroll chuck etc., the clamping device that drilling machine, grinding machine adopt can be briquetting
Deng.But for the ring-shaped work pieces for thin shell accessory, the such as pump case of multistage pump, when being processed to an end face, in prior art
Clamping device when being fixed to ring-shaped work pieces, ring-shaped work pieces may be led to because of the local stress of ring-shaped work pieces is excessive
Deformation.
Content of the invention
The invention provides a kind of to by the machining fixture of the part uniform force application of clamping, this fixture is not destroying annular
On the premise of the original size of part or shape, can effectively solve the problem that the problem to the effective fixation of ring-shaped work pieces in machining process.
What the present invention provided is solved by following technical essential to by the machining fixture of the part uniform force application of clamping
Problem: to by the machining fixture of the part uniform force application of clamping, including base, compressing member, the column being fixed on base, set
Elastic ring on column；
The profile of described elastic ring is in the Concentric Reducers shape that one end is with diameter greater than other end diameter, and on the side of elastic ring also
Setting is jagged, and described breach extends to the other end of elastic ring by one end of elastic ring；
Described compressing member is used for applying the compression along elastic ring axis direction to the end face of elastic ring.
Specifically, this fixture, when using, is that the workpiece of ring-shaped work pieces is set in the outside of elastic ring, above elastic ring leads to
The centre bore crossed thereon is arranged on column, and above compressing member is used for applying along elastic ring axis direction to the end face of elastic ring
Compression.So, under above compression, because the side of elastic ring has breach, there is elastic deformation in elastic ring
During its big end expand outwardly and contact, so, the side at the big end of elastic ring and the internal face face of workpiece with the internal face of workpiece
Contact or linear contact lay, the normal pressure at face contact or linear contact lay realizes fixation on this fixture for the workpiece.
In above fixed solution, due to during elastic ring extension in addition to indentation, there at big end side surface, all can be to workpiece
Each point in inwall circumferential direction produces compression, therefore can be prevented effectively from because shell ring-shaped work pieces local pressure is excessive and affect
The shape of shell ring-shaped work pieces and each be not only beneficial to machining accuracy to size, this fixture also has high excellent of clamping efficiency simultaneously
Gesture.
Above elastic ring can be obtained using cutting a breach in the side of disk spring, and that is, above breach runs through disk spring
Two ends, the width of breach, depending on the size of disk spring, is such as set to the small end by disk spring and holds to big, the width of breach
Degree is gradually increased, and the gap width at small end is 1/10th of disk spring small end girth, and the gap width at big end is dish
/ 10th of shape spring big end girth.Above compressing member can be using the clamping nut being threadedly connected on column.Arrangement above
, compared to complete disk spring, under corresponding compression, the extendible displacement in big end outside is more for disk spring jaggy
Greatly, the workpiece diameter number range that is, same elastic ring can be suitable for is more wide in range.
Further technical scheme is:
For ease of the workpiece according to different length or the change to work-piece constraint position, the way of restraint, change the vertical of different length
Post, the lower end of described column is connected with whorl of base, also includes the nut threadeded with column lower end, described elastic ring setting
Outside in nut.Locking on base for the column is used for upper cap nut, this case simultaneously also has processing and manufacturing, easy to assembly
Feature.Further, also pad can be set between nut and elastic ring, elastic ring is raised to the height of adaptation.
As one kind in workpiece inner wall circumference, workpiece inner wall stress is more uniformly distributed, elastic ring and workpiece inner wall contact surface
Long-pending bigger implementation, described elastic ring more than one, and elastic ring are sequentially overlapped on column, the breach phase of each elastic ring
Position relationship between mutually is annularly uniform.
As a kind of end face in elastic ring circumference on, the skill that compressing member is more uniformly distributed to elastic ring end face each point compression
Art scheme, also includes the pad being sheathed on column, and described elastic ring is located between pad and base, and described compressing member is arranged at
The upside of pad, compressing member is used for applying compression, the lower surface of pad and the end contact of elastic ring to the upper surface of pad.
In this programme, when the upper each point of elastic ring end face circumference is more uniformly distributed by compressing member compression, elastic ring can be made to produce evenly
Elastic deformation.
For enabling this fixture before workpiece is subject to elastic ring compression, provide pre- constraint to the position of workpiece, to keep away
Exempt from elastic ring local and absorption surface under deformed initial state, cause the Centre position deviation of workpiece, also include being arranged at bottom
The first fixed part on seat, described first fixed part is used for the pre- constraint of workpiece position on base.
As a kind of specific implementation of the first fixed part, described first fixed part includes multiple pre- constraint branches, many
Individual pre- constraint branch annular is distributed in the surrounding of column, and each pre- constraint branch all includes the first bolt and the second bolt, and described the
One bolt is connected with whorl of base, and each first bolt is provided with internal thread hole, and corresponding second bolt passes through described interior spiral shell
Pit is connected with the first bolt thread, and the end of the first bolt is all towards workpiece.This implementation structure is simple, can be suitable for
Workpiece initial position in different-diameter is fixed.As those skilled in the art, above first fixed part may be alternatively provided as being located at
Cannelure on base upper surface, that is, the profile of cannelure is adaptable with the end profile of workpiece, the end of workpiece under original state
Face embeds in described cannelure.
For ease of workpiece is raised to the position adapting to processing, also include the cushion block being placed on base upper surface, described
Cushion block is annular in shape, and column is located at the central authorities of cushion block.The way of realization of above cushion block is easy to, according to processing needs, change and have difference
Inside and outside, footpath and/or the cushion block of height.
The method have the advantages that
This fixture, when using, is that the workpiece of ring-shaped work pieces is set in the outside of elastic ring, during above elastic ring passes through thereon
Heart hole is arranged on column, and above compressing member is used for applying the compression along elastic ring axis direction to the end face of elastic ring.
So, under above compression, because the side of elastic ring has breach, it is big during there is elastic deformation for elastic ring
End is expanded outwardly and is contacted with the internal face of workpiece, and so, the side at the big end of elastic ring is connect with the inwall plane-plane contact of workpiece or line
Touch, the normal pressure at face contact or linear contact lay realizes fixation on this fixture for the workpiece.
In above fixed solution, due to during elastic ring extension in addition to indentation, there at big end side surface, all can be to workpiece
Each point in inwall circumferential direction produces compression, therefore can be prevented effectively from because shell ring-shaped work pieces local pressure is excessive and affect
The shape of shell ring-shaped work pieces and each be not only beneficial to machining accuracy to size, this fixture also has high excellent of clamping efficiency simultaneously
Gesture.
Brief description
Fig. 1 is of the present invention to by the knot of one specific embodiment of machining fixture of the part uniform force application of clamping
Structure sectional view；
Fig. 2 be of the present invention in one specific embodiment of machining fixture by the part uniform force application of clamping, elasticity
The structural representation of ring.
The reference of in figure is followed successively by: 1- base, 2- first fixed part, 3- workpiece, 4- column, 5- compressing member, 6- pad
Block, 7- pad, 8- nut, 9- elastic ring, 91- breach.
Specific embodiment
With reference to embodiment, the present invention is described in further detail, but the structure of the present invention be not limited only to following
Embodiment.
Embodiment 1:
As depicted in figs. 1 and 2, to by the machining fixture of the part uniform force application of clamping, including base 1, compressing member 5, fix
In the column 4 on base 1, the elastic ring 9 that is sheathed on column 4；
The profile of described elastic ring 9 is in the Concentric Reducers shape that one end is with diameter greater than other end diameter, and on the side of elastic ring 9
It is additionally provided with breach 91, described breach 91 is extended to the other end of elastic ring 9 by one end of elastic ring 9；
Described compressing member 5 is used for applying the compression along elastic ring 9 axis direction to the end face of elastic ring 9.
Specifically, this fixture, when using, is that the workpiece 3 of ring-shaped work pieces is set in the outside of elastic ring 9, above elastic ring
9 are arranged on column 4 by centre bore thereon, and above compressing member 5 is used for applying along elastic ring 9 to the end face of elastic ring 9
The compression of axis direction.So, under above compression, because the side of elastic ring 9 has breach 91, elastic ring 9 is being sent out
During raw elastic deformation, its big end is expanded outwardly and contact with the internal face of workpiece 3, so, the side at elastic ring 9 end greatly and
The inwall plane-plane contact of workpiece 3 or linear contact lay, the normal pressure at face contact or linear contact lay realizes workpiece 3 consolidating on this fixture
Fixed.
In above fixed solution, during being expanded due to elastic ring 9 in addition at breach 91 at big end side surface, all can be to work
Each point in part 3 inwall circumferential direction produces compression, therefore can be prevented effectively from because shell ring-shaped work pieces local pressure is excessive
Affect the shape of shell ring-shaped work pieces and respectively to size, be not only beneficial to machining accuracy, this fixture also has clamping efficiency height simultaneously
Advantage.
Above elastic ring 9 can be obtained using cutting a breach 91 in the side of disk spring, and that is, above breach 91 runs through dish
The two ends of shape spring, the width of breach 91, depending on the size of disk spring, is such as set to be held to big by the small end of disk spring,
The width of breach 91 is gradually increased, and breach 91 width at small end is 1/10th of disk spring small end girth, at big end
Breach 91 width is 1/10th of disk spring big end girth.Above compressing member 5 can be using the pressure being threadedly connected on column 4
Tight nut., compared to complete disk spring, under corresponding compression, big end is outer for the disk spring of arrangement above jagged 91
The extendible displacement in side is bigger, and the workpiece 3 internal diameter number range that is, same elastic ring 9 can be suitable for is more wide in range.
Embodiment 2:
As depicted in figs. 1 and 2, the present embodiment is further qualified on the basis of embodiment 1: for ease of according to different length
Workpiece 3 or the change to workpiece 3 constrained, the way of restraint, change column 4, the lower end of described column 4 and the bottom of different length
Seat 1 is threaded, also includes the nut 8 threadeded with column 4 lower end, described elastic ring 9 is arranged at the outside of nut 8.With
Upper cap nut 8 be used for locking on base 1 for the column 4, this case simultaneously also have the characteristics that processing and manufacturing, easy to assembly.Further
, also pad 7 can be set between nut 8 and elastic ring 9, elastic ring 9 is raised to the height of adaptation.
As one kind in workpiece 3 inwall circumference, workpiece 3 inwall stress is more uniformly distributed, elastic ring 9 is connect with workpiece 3 inwall
Contacting surface is amassed bigger implementation, described elastic ring 9 more than one, and elastic ring 9 and is sequentially overlapped on column 4, each elastic ring 9
Breach 91 position relationship each other annularly uniform.
As in a kind of end face in elastic ring 9 circumference, compressing member 5 is more uniformly distributed to elastic ring 9 end face each point compression
Technical scheme, also include the pad 7 being sheathed on column 4, described elastic ring 9 be located between pad 7 and base 1, described pressure
Tight part 5 is arranged at the upside of pad 7, and compressing member 5 is used for applying compression, the lower surface of pad 7 and bullet to the upper surface of pad 7
The end contact of property ring 9.In this programme, when the upper each point of elastic ring 9 end face circumference is more uniformly distributed by compressing member 5 compression, can make
Elastic ring 9 produces elastic deformation evenly.
Embodiment 3:
As depicted in figs. 1 and 2, the present embodiment is on the basis of any one technical scheme that one embodiment of any of the above provides
This case is further qualified, for enabling this fixture before workpiece 3 is subject to elastic ring 9 compression, the position of workpiece 3 is carried
Constrain for pre-, to avoid elastic ring 9 local under deformed initial state to contact with workpiece 3, cause the center of workpiece 3 inclined
Move, also include the first fixed part 2 being arranged on base 1, described first fixed part 2 be used for workpiece 3 on base 1 position pre-
Constraint.
As a kind of specific implementation of the first fixed part 2, described first fixed part 2 includes multiple pre- constraint branches,
Multiple pre- constraint branches annular is distributed in the surrounding of column 4, and each pre- constraint branch all includes the first bolt and the second bolt, described
First bolt is threadeded with base 1, and each first bolt is provided with internal thread hole, and corresponding second bolt passes through described interior
Screwed hole is connected with the first bolt thread, and the end of the first bolt is all towards workpiece 3.This implementation structure is simple, can
Workpiece 3 initial position being applied to different-diameter is fixed.As those skilled in the art, above first fixed part 2 may also set up
It is the cannelure on base 1 upper surface, that is, the profile of cannelure and the end profile of workpiece 3 are adapted, under original state
The end face of workpiece 3 embeds in described cannelure.
For ease of workpiece 3 is raised to the position adapting to processing, also include the cushion block 6 being placed on base 1 upper surface, institute
State cushion block 6 annularly, column 4 is located at the central authorities of cushion block 6.The way of realization of above cushion block 6 is easy to, according to processing needs, change tool
Have that difference is inside and outside, the cushion block 6 of footpath and/or height.
Above content is the further description present invention made with reference to specific preferred embodiment it is impossible to assert this
The specific embodiment of invention is confined to these explanations.For general technical staff of the technical field of the invention,
The other embodiment drawing under without departing from technical scheme, should be included in protection scope of the present invention.
Claims (7)
1. pair by the machining fixture of the part uniform force application of clamping it is characterised in that including base (1), compressing member (5), solid
Due to the column (4) on base (1), the elastic ring (9) that is sheathed on column (4)；
The profile of described elastic ring (9) is in the Concentric Reducers shape that one end is with diameter greater than other end diameter, and the side of elastic ring (9)
Breach (91) is additionally provided with face, described breach (91) is extended to the other end of elastic ring (9) by one end of elastic ring (9)；
Described compressing member (5) is used for applying the compression along elastic ring (9) axis direction to the end face of elastic ring (9).
2. according to claim 1 to by the machining fixture of the part uniform force application of clamping it is characterised in that described vertical
Being threadeded with base (1) in the lower end of post (4), also includes the nut (8) threadeded with column (4) lower end, described elastic ring
(9) it is arranged at the outside of nut (8).
3. according to claim 1 to by the machining fixture of the part uniform force application of clamping it is characterised in that described bullet
Property ring (9) more than one, and elastic ring (9) is sequentially overlapped on column (4), the breach (91) of each elastic ring (9) is each other
Position relationship annularly uniform.
4. according to claim 1 to by the machining fixture of the part uniform force application of clamping it is characterised in that also including
It is sheathed on the pad (7) on column (4), described elastic ring (9) is located between pad (7) and base (1), described compressing member (5)
It is arranged at the upside of pad (7), compressing member (5) is used for applying compression, the lower surface of pad (7) to the upper surface of pad (7)
End contact with elastic ring (9).
5. as claimed in any of claims 1 to 4 to by the machining fixture of the part uniform force application of clamping, it is special
Levy and be, also include the first fixed part (2) being arranged on base (1), described first fixed part (2) is used for workpiece (3) bottom of at
The pre- constraint of the upper position of seat (1).
6. according to claim 5 to by the machining fixture of the part uniform force application of clamping it is characterised in that described
One fixed part (2) includes multiple pre- constraint branches, and multiple pre- constraint branches annular is distributed in the surrounding of column (4), each pre- constraint
Branch all includes the first bolt and the second bolt, and described first bolt is threadeded with base (1), and each first bolt is respectively provided with
There is internal thread hole, corresponding second bolt is connected with the first bolt thread by described internal thread hole, and the end of the first bolt
All towards workpiece (3).
7. as claimed in any of claims 1 to 4 to by the machining fixture of the part uniform force application of clamping, it is special
Levy and be, also include the cushion block (6) being placed on base (1) upper surface, described cushion block (6) is annular in shape, column (4) is located at cushion block
(6) central authorities.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610963189.3A CN106334958A (en) | 2016-10-28 | 2016-10-28 | Machining clamp for uniformly applying force to clamped part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610963189.3A CN106334958A (en) | 2016-10-28 | 2016-10-28 | Machining clamp for uniformly applying force to clamped part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106334958A true CN106334958A (en) | 2017-01-18 |
Family
ID=57840894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610963189.3A Pending CN106334958A (en) | 2016-10-28 | 2016-10-28 | Machining clamp for uniformly applying force to clamped part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106334958A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109226813A (en) * | 2018-10-23 | 2019-01-18 | 中船动力有限公司 | The cross-drilled hole of diesel engine stand mounting hole and seat ring matches drill tooling |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05301105A (en) * | 1992-04-27 | 1993-11-16 | Mitsubishi Materials Corp | Cutting device for thin cylindrical work |
| CN203448700U (en) * | 2013-06-24 | 2014-02-26 | 玉环县中等职业技术学校 | Elastic positioning clamp for cylinder member machining |
| CN203495270U (en) * | 2013-09-12 | 2014-03-26 | 西安志越机电科技有限公司 | Turning fixture for external thread of thin-walled sleeve |
| CN203875613U (en) * | 2013-12-27 | 2014-10-15 | 大连瑞谷科技有限公司 | Ultra-light thin-walled copper cage and special-purpose fixture thereof for pocket hole |
-
2016
- 2016-10-28 CN CN201610963189.3A patent/CN106334958A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05301105A (en) * | 1992-04-27 | 1993-11-16 | Mitsubishi Materials Corp | Cutting device for thin cylindrical work |
| CN203448700U (en) * | 2013-06-24 | 2014-02-26 | 玉环县中等职业技术学校 | Elastic positioning clamp for cylinder member machining |
| CN203495270U (en) * | 2013-09-12 | 2014-03-26 | 西安志越机电科技有限公司 | Turning fixture for external thread of thin-walled sleeve |
| CN203875613U (en) * | 2013-12-27 | 2014-10-15 | 大连瑞谷科技有限公司 | Ultra-light thin-walled copper cage and special-purpose fixture thereof for pocket hole |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109226813A (en) * | 2018-10-23 | 2019-01-18 | 中船动力有限公司 | The cross-drilled hole of diesel engine stand mounting hole and seat ring matches drill tooling |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | 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: 20170118 |
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| RJ01 | Rejection of invention patent application after publication |