CN203045521U - Cylinder part external grinding jig - Google Patents
Cylinder part external grinding jig Download PDFInfo
- Publication number
- CN203045521U CN203045521U CN 201320011738 CN201320011738U CN203045521U CN 203045521 U CN203045521 U CN 203045521U CN 201320011738 CN201320011738 CN 201320011738 CN 201320011738 U CN201320011738 U CN 201320011738U CN 203045521 U CN203045521 U CN 203045521U
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- China
- Prior art keywords
- round platform
- diameter
- platform section
- expansion cylinder
- cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model belongs to the technology of jig designs and relates to a cylinder part external grinding jig. The cylinder part external grinding jig is characterized by being composed of a central spindle (1), an expansion barrel (2) and a nut (3). The central spindle (2) is a step shaft formed by connecting a polished shaft section (1a), a circular truncated cone section (1b) and a threaded section (1c). The expansion barrel (2) is a cylinder with an open left end. The diameter of the external cylindrical surface of the expansion barrel (2) is in clearance fit with the inner bore of a cylinder part (4) to be ground. The expansion barrel (2) is sleeved on the circular truncated cone section (1b) of the central spindle (1). The right end socket of the threaded section (1c) extends out of a central hole of the right end face of the expansion barrel (2) and is meshed with the nut (3). A blind slot (2c) is formed in the external cylindrical surface of the expansion barrel (2). The cylinder part external grinding jig has universality on cylindrical parts with different inner diameters, enables the number of grinding jigs to be reduced, and reduces machining cost.
Description
Technical field
The utility model belongs to the clamping apparatus designing technique, relates to a kind of positioning fixture of cylindrical component grinding cylindrical.
Background technology
Field of machining need be processed cylindrical component, cylindrical member is because inwall is thinner, so cause the clamping deformation of part easily with the method for cylindrical clamping, though the method with the end face clamping can prevent the distortion that clamping causes part, still can cause the machining deformation of part when turning, grinding to the radial load of part.So anchor clamps generally adopt the internal-expansion type clamping means.Present a kind of cylindrical component adopts the plug location of band tapering, and its shortcoming is: plug does not have versatility, and every kind of part needs a special core rod, and anchor clamps quantity is many, has increased manufacturing cost.
Summary of the invention
The purpose of this utility model is: propose a kind of positioning fixture with cylindrical component grinding cylindrical of versatility, to reduce the quantity of anchor clamps, cut down finished cost.
The technical solution of the utility model is: a kind of cylinder part cylindrical grinding anchor clamps is characterized in that: it is made up of mandrel 1, expansion cylinder 2 and nut 3; Mandrel 1 is a step axle, from left to right be respectively optical axis section 1a, round platform section 1b and thread segment 1c, the external diameter of optical axis section 1a is greater than the diameter of bore of cylinder part 4 to be ground, and less than the outside diameter of cylinder part 4 to be ground, there is center positioning hole 1d left side at optical axis section 1a, the left end diameter of round platform section 1b is greater than the right-hand member diameter, the left end diameter of round platform section 1b is less than the diameter of optical axis section 1a, the coaxial connection of right-hand member of the left end of round platform section 1b and optical axis section 1a, cone angle=12 of round platform section 1b °～30 °, the axial length of round platform section 1b is not less than the length of cylinder part 4 to be ground, the coaxial connection of right-hand member of the left end of thread segment 1c and round platform section 1b, thread segment center positioning hole 1e is arranged in the right side of thread segment 1c, expansion cylinder 2 is cylinders that a left port is opened wide, the endoporus matched in clearance of the diameter of the external cylindrical surface of expansion cylinder 2 and cylinder part to be ground 4, the inner chamber of expansion cylinder 2 is truncated cone-shaped inner chamber 2a, the cone angle of truncated cone-shaped inner chamber 2a is α, the maximum inner diameter of truncated cone-shaped inner chamber 2a is greater than the middle footpath of mandrel 1 round platform section 1b and less than the maximum gauge of mandrel 1 round platform section 1b, the minimum diameter of truncated cone-shaped inner chamber 2a is less than the minimum diameter of mandrel 1 round platform section 1b, expansion cylinder 2 is enclosed within on the round platform section 1b of mandrel 1, the round table surface of the truncated cone-shaped inner chamber 2a of expansion cylinder 2 and mandrel 1 round platform section 1b is fitted, there is centre bore right side at expansion cylinder 2, the right-hand member head of thread segment 1c from the centre bore of expansion cylinder 2 right sides stretch out and with nut 3 engagements, having 3～6 at the external cylindrical surface of expansion cylinder 2 stretches vertically, connect the blind groove 2c of expansion cylinder 2 sidewalls, blind groove 2c is uniformly distributed along the circumference, and the notch of blind groove 2c is positioned at the left hand edge of expansion cylinder 2.
The utility model has the advantages that: the cylindrical component for different inner diameters has versatility, has reduced the quantity of anchor clamps, has reduced processing cost.The bulging effect of the utility model by expansion cylinder realized the clamping to cylinder part, makes the clamp force distribution of cylinder part even, reduced the clamping deformation of cylinder part, also avoided traditional handicraft mandrel shortcoming more easy to wear.Novel being specially adapted to of this use produced in batches.
Description of drawings
Fig. 1 is structural representation of the present utility model.
The specific embodiment
Below the utility model is described in further details.Referring to Fig. 1, a kind of cylinder part cylindrical grinding anchor clamps is characterized in that: it is made up of mandrel 1, expansion cylinder 2 and nut 3; Mandrel 1 is a step axle, from left to right be respectively optical axis section 1a, round platform section 1b and thread segment 1c, the external diameter of optical axis section 1a is greater than the diameter of bore of cylinder part 4 to be ground, and less than the outside diameter of cylinder part 4 to be ground, there is center positioning hole 1d left side at optical axis section 1a, the left end diameter of round platform section 1b is greater than the right-hand member diameter, the left end diameter of round platform section 1b is less than the diameter of optical axis section 1a, the coaxial connection of right-hand member of the left end of round platform section 1b and optical axis section 1a, cone angle=12 of round platform section 1b °～30 °, the axial length of round platform section 1b is not less than the length of cylinder part 4 to be ground, the coaxial connection of right-hand member of the left end of thread segment 1c and round platform section 1b, thread segment center positioning hole 1e is arranged in the right side of thread segment 1c, expansion cylinder 2 is cylinders that a left port is opened wide, the endoporus matched in clearance of the diameter of the external cylindrical surface of expansion cylinder 2 and cylinder part to be ground 4, the inner chamber of expansion cylinder 2 is truncated cone-shaped inner chamber 2a, the cone angle of truncated cone-shaped inner chamber 2a is α, the maximum inner diameter of truncated cone-shaped inner chamber 2a is greater than the middle footpath of mandrel 1 round platform section 1b and less than the maximum gauge of mandrel 1 round platform section 1b, the minimum diameter of truncated cone-shaped inner chamber 2a is less than the minimum diameter of mandrel 1 round platform section 1b, expansion cylinder 2 is enclosed within on the round platform section 1b of mandrel 1, the round table surface of the truncated cone-shaped inner chamber 2a of expansion cylinder 2 and mandrel 1 round platform section 1b is fitted, there is centre bore right side at expansion cylinder 2, the right-hand member head of thread segment 1c from the centre bore of expansion cylinder 2 right sides stretch out and with nut 3 engagements, having 3～6 at the external cylindrical surface of expansion cylinder 2 stretches vertically, connect the blind groove 2c of expansion cylinder 2 sidewalls, blind groove 2c is uniformly distributed along the circumference, and the notch of blind groove 2c is positioned at the left hand edge of expansion cylinder 2.
For the ease of taking off expansion cylinder 2, the screwed hole 2b of a perforation is arranged in the right side of expansion cylinder 2.Use screw to be screwed into from screwed hole 2b, withstand the right side of mandrel 1 round platform section 1b, can take out expansion cylinder 2 easily.
Using method of the present utility model is: at first the endoporus of the diameter of an external cylindrical surface and cylinder part to be ground is the expansion cylinder of matched in clearance, cylinder part to be ground is enclosed within on the expansion cylinder, and then expansion cylinder is enclosed within mandrel round platform section top cylinder, screw the nut of right-hand member, it is big that the external cylindrical surface diameter of expansion cylinder becomes, with cylinder part tensioner to be ground.At this moment the centre bore by the mandrel two ends just can carry out cylindricalo grinding to cylinder part in the grinding machine location.Grinding after finishing is screwed into the screwed hole of screw from expansion cylinder, withstands the right side of mandrel round platform section, takes out expansion cylinder.
Claims (2)
1. cylinder part cylindrical grinding anchor clamps, it is characterized in that: it is made up of mandrel [1], expansion cylinder [2] and nut [3]; Mandrel [1] is a step axle, it from left to right is respectively optical axis section [1a], round platform section [1b] and thread segment [1c], the external diameter of optical axis section [1a] is greater than the diameter of bore of cylinder part to be ground [4], and less than the outside diameter of cylinder part to be ground [4], in the left side of optical axis section [1a] center positioning hole [1d] is arranged, the left end diameter of round platform section [1b] is greater than the right-hand member diameter, the left end diameter of round platform section [1b] is less than the diameter of optical axis section [1a], the coaxial connection of right-hand member of the left end of round platform section [1b] and optical axis section [1a], cone angle=12 of round platform section [1b] °～30 °, the axial length of round platform section [1b] is not less than the length of cylinder part to be ground [4], the coaxial connection of right-hand member of the left end of thread segment [1c] and round platform section [1b], in the right side of thread segment [1c] thread segment center positioning hole [1e] is arranged, expansion cylinder [2] is the cylinder that a left port is opened wide, the endoporus matched in clearance of the diameter of the external cylindrical surface of expansion cylinder [2] and cylinder part to be ground [4], the inner chamber of expansion cylinder [2] is truncated cone-shaped inner chamber [2a], the cone angle of truncated cone-shaped inner chamber [2a] is α, the maximum inner diameter of truncated cone-shaped inner chamber [2a] is greater than the middle footpath of mandrel [1] round platform section [1b] and less than the maximum gauge of mandrel [1] round platform section [1b], the minimum diameter of truncated cone-shaped inner chamber [2a] is less than the minimum diameter of mandrel [1] round platform section [1b], expansion cylinder [2] is enclosed within on the round platform section [1b] of mandrel [1], the truncated cone-shaped inner chamber [2a] of expansion cylinder [2] is fitted with the round table surface of mandrel [1] round platform section [1b], there is centre bore right side at expansion cylinder [2], the right-hand member head of thread segment [1c] stretches out and meshes with nut [3] from the centre bore of expansion cylinder [2] right side, having 3～6 at the external cylindrical surface of expansion cylinder [2] stretches vertically, connect the blind groove [2c] of expansion cylinder [2] sidewall, blind groove [2c] is uniformly distributed along the circumference, and the notch of blind groove [2c] is positioned at the left hand edge of expansion cylinder [2].
2. cylinder part cylindrical grinding anchor clamps according to claim 1 is characterized in that: the screwed hole [2b] that a perforation is arranged in the right side of expansion cylinder [2].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320011738 CN203045521U (en) | 2013-01-10 | 2013-01-10 | Cylinder part external grinding jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320011738 CN203045521U (en) | 2013-01-10 | 2013-01-10 | Cylinder part external grinding jig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203045521U true CN203045521U (en) | 2013-07-10 |
Family
ID=48728517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320011738 Expired - Fee Related CN203045521U (en) | 2013-01-10 | 2013-01-10 | Cylinder part external grinding jig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203045521U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019783A (en) * | 2014-06-13 | 2014-09-03 | 冠亿精密工业(昆山)有限公司 | Outer diameter detecting device |
| CN106624857A (en) * | 2016-12-29 | 2017-05-10 | 贵州航天控制技术有限公司 | Combined coaxial processing and assembling structure for left and right buoys |
| CN110091252A (en) * | 2019-05-08 | 2019-08-06 | 哈尔滨汽轮机厂有限责任公司 | A kind of processing method that mandrel and end caps are used in end caps grinding |
-
2013
- 2013-01-10 CN CN 201320011738 patent/CN203045521U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019783A (en) * | 2014-06-13 | 2014-09-03 | 冠亿精密工业(昆山)有限公司 | Outer diameter detecting device |
| CN104019783B (en) * | 2014-06-13 | 2017-01-18 | 冠亿精密工业(昆山)有限公司 | Outer diameter detecting device |
| CN106624857A (en) * | 2016-12-29 | 2017-05-10 | 贵州航天控制技术有限公司 | Combined coaxial processing and assembling structure for left and right buoys |
| CN110091252A (en) * | 2019-05-08 | 2019-08-06 | 哈尔滨汽轮机厂有限责任公司 | A kind of processing method that mandrel and end caps are used in end caps grinding |
| CN110091252B (en) * | 2019-05-08 | 2020-12-18 | 哈尔滨汽轮机厂有限责任公司 | Mandrel for grinding end face cover plate and processing method of end face cover plate |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20190110 |