CN104259909A - Clamp mechanism beneficial to sheet object turning quality - Google Patents
Clamp mechanism beneficial to sheet object turning quality Download PDFInfo
- Publication number
- CN104259909A CN104259909A CN201410426966.1A CN201410426966A CN104259909A CN 104259909 A CN104259909 A CN 104259909A CN 201410426966 A CN201410426966 A CN 201410426966A CN 104259909 A CN104259909 A CN 104259909A
- Authority
- CN
- China
- Prior art keywords
- hole
- manhole
- push rod
- main shaft
- connecting portion
- 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
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
-
- 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
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping On Spindles (AREA)
Abstract
The invention discloses a clamp mechanism beneficial to sheet object turning quality. The clamp mechanism comprises an ejector pin, a material seat and a brake part for preventing the ejector pin from moving back and forth along the axial direction of the ejector pin. The material seat comprises a spindle connecting part and a material fixing part. The spindle connecting part is a cylindrical structure with an axial through hole or blind hole. The material fixing part a basket structure with two parallel end faces, wherein one of the end face is fixedly connected with one end of the spindle connecting part, the other end face is provided with a circular through hole, and the circular through hole is a different-diameter concentric hole with the outer diameter being smaller than the inner diameter. The axis of the ejector pin and the axis of the circular through hole are on the same line. The ejector pin is located on one side, with the large diameter, of the circular through hole. The clamp mechanism is simple in structure and beneficial to sheet object end face turning quality.
Description
Technical field
The present invention relates to lathe object fixing tool field, particularly relate to a kind of clamping device being beneficial to thin slice object turnery processing quality.
Background technology
Lathe is also known as lathe, and in mechanical processing industry, lathe is considered to the work " machine tool " of all devices.Lathe be mainly used in machining shaft, dish, cover and other there is the workpiece of rotary surface, based on cylinder, be use a widest class lathe in machine-building and repair factory.
In recent years along with the further raising required workpiece processing quality, existing lathe is in the process applying to the surface finish of thin slice object, man-hour is added as what apply to brake block, due to the insufficient rigidity that it causes because thickness is thin, adopt the scroll chuck of existing extensive utilization often because claw causes brake block to produce elastic deformation even plastic deformation to the radial stress that brake block applies, the product axis hole obtained after machining and the plane verticality deviation at two ends larger, the comparatively large and axis hole of end flat parallel misalignment and the larger manufacturing deficiency of cylindrical Concentricity tolerance, finally cause the scrappage of product higher, affect the production cost of above-mentioned object and similar articles.
Summary of the invention
For the scroll chuck of above-mentioned existing extensive utilization often because claw causes object to produce elastic deformation even plastic deformation to the radial stress that thin slice object applies, the product axis hole obtained after machining and the plane verticality deviation at two ends are comparatively large, end flat parallel misalignment is comparatively large and axis hole and the larger manufacturing deficiency of cylindrical Concentricity tolerance, finally cause the scrappage of product higher, affect the problem of the production cost of thin slice object, the invention provides a kind of clamping device being beneficial to thin slice object turnery processing quality.
For solving the problem, a kind of clamping device being beneficial to thin slice object turnery processing quality provided by the invention solves problem by following technical essential: a kind of clamping device being beneficial to thin slice object turnery processing quality, the braking parts comprising push rod, material seat and axially move back and forth along it for braking mandril, described material seat comprises main shaft connecting portion and material fixed part, and described main shaft connecting portion is the column structure being axially provided with through hole or blind hole; The basket structure in described material fixed part to be two end faces the be face that is parallel to each other, one of them end face is fixedly connected with one end of main shaft connecting portion, another end face is provided with a manhole, and described manhole is outside diameter is less than the reducing concentric holes of inside diameter, the axis of push rod and the axis collinear of manhole, and push rod is positioned at the larger side of manhole diameter.
The through hole arranged or blind hole are used for being connected with lathe spindle, realize the present invention and rotate with spindle synchronous, be i.e. the axis of through hole or blind hole and the axis collinear of push rod.Concrete, the manhole arranged is the installation station of thin slice object to be processed, namely the present invention is applicable to the arrangement of length or width, the object of diameters between the diameter of manhole two ends, object has settled rear braking mandril towards an end motion of manhole, like this, the two ends of object are subject to the compression of manhole and push rod respectively, and what realize on the invention is fixing.Rely on the frictional force of claw and material to resist compared to existing utilization scroll chuck to cut or grinding force, the present invention is operationally for the reaction force direction of cutting or grinding force provides is positioned at object axially, namely push rod is to the active force of object, like this, can effectively prevent thin slice object on existing chuck because the excessive object that causes of radial stress that chuck is applied on object produces axially concavo-convex phenomenon, namely object is in same part circumferentially not at grade, the irregular defect of thin slice object end face after finally causing cutting or grinding to complete.
Further technical scheme is:
For ensureing the stationarity that lathe spindle rotates, be beneficial to the crudy of object, all cylindrically, and main shaft connecting portion and material fixed part are axially symmetric structure for described main shaft connecting portion and material fixed part.Above structure is beneficial to and realizes center of gravity of the present invention and be positioned on the axis of main shaft, can avoid because the reason of centrifugal force causes main shaft to shake.
For increasing the contact area of object and main shaft connecting portion, prevent the end face of object under push rod compression from producing impression and increasing object and friction factor of the present invention, described manhole is made up of the circular hole of two sections of axis collinear, and the bottom surface of the circular hole that internal diameter is larger is provided with rubber layer.
For alleviating quality of the present invention as far as possible, with reduction its to the size of the moment of flexure that lathe spindle produces, or under the rigidity that main shaft connecting portion is identical, save the material cost of main shaft connecting portion, hole on described main shaft connecting portion is through hole, described through hole communicates with the hollow space of the material fixed part in basket structure, push rod becomes matched in clearance with through hole, and push rod is positioned at the outside of push rod away from the side of manhole.
For ease of braking mandril and control push rod to the size of object compression, described push rod is also provided with cylinder away from one end of manhole.Described cylinder is described braking parts.
The present invention has following beneficial effect:
The manhole arranged is the installation station of thin slice object to be processed, namely the present invention is applicable to the arrangement of length or width, the object of diameters between the diameter of manhole two ends, object has settled rear braking mandril towards an end motion of manhole, like this, the two ends of object are subject to the compression of manhole and push rod respectively, and what realize on the invention is fixing.Rely on the frictional force of claw and material to resist compared to existing utilization scroll chuck to cut or grinding force, the present invention is operationally for the reaction force direction of cutting or grinding force provides is positioned at object axially, namely push rod is to the active force of object, like this, can effectively prevent thin slice object on existing chuck because the excessive object that causes of radial stress that chuck is applied on object produces axially concavo-convex phenomenon, namely object is in same part circumferentially not at grade, the irregular defect of thin slice object end face after finally causing cutting or grinding to complete, be conducive to the crudy of thin slice object end face.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation being beneficial to a clamping device specific embodiment of thin slice object turnery processing quality of the present invention.
Figure acceptance of the bid note is respectively: 1, cylinder, and 2, cylinder block, 3, bearing, 4, gear, 5, main spindle box, 6, main shaft, 7, material seat, 71, main shaft connecting portion, 72, material fixed part, 8, push rod, 9, manhole, 10, rubber layer.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but structure of the present invention is not limited only to following examples:
Embodiment 1:
As shown in Figure 1, a kind of clamping device being beneficial to thin slice object turnery processing quality, the braking parts comprising push rod 8, material seat 7 and axially move back and forth along it for braking mandril 8, described material seat 7 comprises main shaft connecting portion 71 and material fixed part 72, and described main shaft connecting portion 71 is the column structure being axially provided with through hole or blind hole; The basket structure in described material fixed part 72 to be two end faces the be face that is parallel to each other, one of them end face is fixedly connected with one end of main shaft connecting portion 71, another end face is provided with a manhole 9, and described manhole 9 is less than the reducing concentric holes of inside diameter for outside diameter, the axis of push rod 8 and the axis collinear of manhole 9, and push rod 8 is positioned at the larger side of manhole 9 diameter.
In the present embodiment, main shaft connecting portion 71 is provided with through hole, described main shaft connecting portion 71 is set in by through hole and the main shaft 6 of lathe realizes the fixing of itself and main shaft 6, described fixing by through hole and main shaft 6 interference fit with coordinate the structure of puller bolt to be realized, described main shaft 6 is hollow shaft, its torque of rotating is realized by arranging engaging that gear 4 on it and driving gear cog, main shaft 6 is arranged in main spindle box 5, is provided with at least two bearings 3 between main shaft 6 and main spindle box 5.
Embodiment 2:
The present embodiment is further qualified on the basis of embodiment 1, as shown in Figure 1, for ensureing the stationarity that lathe spindle 6 rotates, be beneficial to the crudy of object, all cylindrically, and main shaft connecting portion 71 and material fixed part 72 are axially symmetric structure for described main shaft connecting portion 71 and material fixed part 72.Above structure is beneficial to and realizes center of gravity of the present invention and be positioned on the axis of main shaft 6, can avoid because the reason of centrifugal force causes main shaft 6 to shake.
Embodiment 3:
The present embodiment is further qualified on the basis of embodiment 1, as shown in Figure 1, for increasing the contact area of object and main shaft connecting portion 71, prevent the end face of object under push rod 8 compression from producing impression and increasing object and friction factor of the present invention, described manhole 9 is made up of the circular hole of two sections of axis collinear, and the bottom surface of the circular hole that internal diameter is larger is provided with rubber layer 10.
Embodiment 4:
The present embodiment is further qualified on the basis of embodiment 1, as shown in Figure 1, for alleviating quality of the present invention as far as possible, with reduction its to the size of the moment of flexure that lathe spindle 6 produces, or under the rigidity that main shaft connecting portion 71 is identical, save the material cost of main shaft connecting portion 71, hole on described main shaft connecting portion 71 is through hole, described through hole communicates with the hollow space of the material fixed part 72 in basket structure, push rod 8 becomes matched in clearance with through hole, and push rod 8 is positioned at the outside of push rod 8 away from the side of manhole 9.
For ease of braking mandril 8 and the size controlling push rod 8 pairs of object compression, described push rod 8 is also provided with cylinder 1 away from one end of manhole 9.Described cylinder 1 is piston rotatable cylinder, and cylinder 1 is fixedly connected with lathe by the cylinder block 2 be arranged on main spindle box 5.
Above content is the further description done the present invention in conjunction with concrete preferred embodiment, can not assert that the specific embodiment of the present invention is confined to these explanations.For general technical staff of the technical field of the invention, not departing from other embodiments drawn under technical scheme of the present invention, all should be included in protection scope of the present invention.
Claims (5)
1. one kind is beneficial to the clamping device of thin slice object turnery processing quality, it is characterized in that, the braking parts comprising push rod (8), material seat (7) and axially move back and forth along it for braking mandril (8), described material seat (7) comprises main shaft connecting portion (71) and material fixed part (72), and described main shaft connecting portion (71) is the column structure being axially provided with through hole or blind hole; The basket structure in described material fixed part (72) to be two end faces the be face that is parallel to each other, one of them end face is fixedly connected with the one end of main shaft connecting portion (71), another end face is provided with a manhole (9), and described manhole (9) is less than the reducing concentric holes of inside diameter for outside diameter, the axis of push rod (8) and the axis collinear of manhole (9), and push rod (8) is positioned at the larger side of manhole (9) diameter.
2. a kind of clamping device being beneficial to thin slice object turnery processing quality according to claim 1, it is characterized in that, all cylindrically, and main shaft connecting portion (71) and material fixed part (72) are axially symmetric structure for described main shaft connecting portion (71) and material fixed part (72).
3. a kind of clamping device being beneficial to thin slice object turnery processing quality according to claim 1, it is characterized in that, described manhole (9) is made up of the circular hole of two sections of axis collinear, the bottom surface of the circular hole that internal diameter is larger is provided with rubber layer (10).
4. a kind of clamping device being beneficial to thin slice object turnery processing quality according to claim 1, it is characterized in that, hole on described main shaft connecting portion (71) is through hole, described through hole communicates with the hollow space of the material fixed part (72) in basket structure, push rod (8) becomes matched in clearance with through hole, and push rod (8) is positioned at the outside of push rod (8) away from the side of manhole (9).
5. a kind of clamping device being beneficial to thin slice object turnery processing quality according to claim 4, it is characterized in that, described push rod (8) is also provided with cylinder (1) away from one end of manhole (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410426966.1A CN104259909A (en) | 2014-08-27 | 2014-08-27 | Clamp mechanism beneficial to sheet object turning quality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410426966.1A CN104259909A (en) | 2014-08-27 | 2014-08-27 | Clamp mechanism beneficial to sheet object turning quality |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104259909A true CN104259909A (en) | 2015-01-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410426966.1A Pending CN104259909A (en) | 2014-08-27 | 2014-08-27 | Clamp mechanism beneficial to sheet object turning quality |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104259909A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0215934A (en) * | 1988-07-01 | 1990-01-19 | Tokyo Electron Ltd | Holding device |
| CN201931307U (en) * | 2011-01-13 | 2011-08-17 | 马鞍山万马机床制造有限公司 | External circular lathe clamp of sheet parts |
| CN202015965U (en) * | 2011-04-26 | 2011-10-26 | 四川名齿齿轮制造有限公司 | Pneumatic pull rod type clamp of lathe |
| CN202180352U (en) * | 2011-05-30 | 2012-04-04 | 湖北三江航天险峰电子信息有限公司 | Sheet part clamping device |
| CN102501116A (en) * | 2011-11-10 | 2012-06-20 | 大连永明数控机床有限公司 | Pneumatic fixture for lathe |
| CN204148930U (en) * | 2014-08-27 | 2015-02-11 | 成都科信达实业有限公司 | A kind of clamping tooling being beneficial to thin slice object turnery processing quality |
-
2014
- 2014-08-27 CN CN201410426966.1A patent/CN104259909A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0215934A (en) * | 1988-07-01 | 1990-01-19 | Tokyo Electron Ltd | Holding device |
| CN201931307U (en) * | 2011-01-13 | 2011-08-17 | 马鞍山万马机床制造有限公司 | External circular lathe clamp of sheet parts |
| CN202015965U (en) * | 2011-04-26 | 2011-10-26 | 四川名齿齿轮制造有限公司 | Pneumatic pull rod type clamp of lathe |
| CN202180352U (en) * | 2011-05-30 | 2012-04-04 | 湖北三江航天险峰电子信息有限公司 | Sheet part clamping device |
| CN102501116A (en) * | 2011-11-10 | 2012-06-20 | 大连永明数控机床有限公司 | Pneumatic fixture for lathe |
| CN204148930U (en) * | 2014-08-27 | 2015-02-11 | 成都科信达实业有限公司 | A kind of clamping tooling being beneficial to thin slice object turnery processing quality |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150107 |
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| RJ01 | Rejection of invention patent application after publication |