CN203622012U - Linear cutting clamp for front installation edge of starter - Google Patents
Linear cutting clamp for front installation edge of starter Download PDFInfo
- Publication number
- CN203622012U CN203622012U CN201320808118.8U CN201320808118U CN203622012U CN 203622012 U CN203622012 U CN 203622012U CN 201320808118 U CN201320808118 U CN 201320808118U CN 203622012 U CN203622012 U CN 203622012U
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- CN
- China
- Prior art keywords
- hole
- linear cutting
- support baseboard
- cutting clamp
- cambered surface
- 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 relates to a linear cutting clamp for front installation edge of a starter. The linear cutting clamp comprises a round supporting base plate and a U-shaped pressing plate matching with the supporting base plate and fastening a die, wherein a step hole accommodating a to-be-machined work piece is arranged on the supporting base plate; a through hole is arranged in the step hole; the internal shape surface of the through hole is formed by an external arc surface (e) of a part and two sections of semicircle-arc surfaces corresponding to the other side arc surface (f); a circle where a first side arc surface lies is eccentric to the step hole; a circle where a second arc surface relative to the first arc surface lies shares the same center as the step hole; the center of the second arc surface is provided with a semicircle-shaped groove corresponding to a half-arc-shaped protrusion (h) of the part; a supporting plate adjacent to the semicircle-shaped groove is provided with a thread wire hole for thread wire cutting; and a communicated groove is arranged between the semicircle-shaped groove and the thread wire hole. Machining time is shortened by the use of the linear cutting clamp for an installation edge and collision damage is avoided during transmission process of the part, so production efficiency and quality are improved.
Description
Technical field
The utility model relates to part manufacture field, is specially the front mounting edge linear cutting clamp of a kind of starter.
Background technology
Front mounting edge is the part on certain airplane starter, the consumable accessory while being starter repairing, and this part added man-hour in the past, and inside and outside eccentric cylinder is processed on lathe, and eccentric profile work in-process is processed in the heart.On lathe, processing eccentric cylinder needs eccentric fixture, and work in-process is processed eccentric profile in the heart also needs fixture, and part is machined to finished product from blank, needs many cover special fixtures.Because the task that purchase fixture needs fund and processing center machine tool to bear is more, and on work in-process scheming bed, processing cost is higher, and therefore, eccentric cylinder and eccentric profile are considered once machine-shaping on the low electric spark linear cutting machine of processing cost.
Before front mounting edge cutting, mould is a donut, as Figure 1A and Figure 1B, donut medial surface be one raise up be funnelform hollow cylinder a, bottom and the mounting edge junction of this hollow cylinder a have annular groove b, the outside of annular groove b has annular boss c, hollow cylinder a is non-cutting zone, on annular boss c, there is a location aperture d, cutting is rear as Fig. 2, on part, there is the circle at the cambered surface e place, outside that boss is many and the circle bias at hollow cylinder a place, relatively and the opposite side cambered surface f of outside cambered surface e, concentric with the circle at hollow cylinder a place, the central authorities of cambered surface f have the half arc convex h extending radially outwardly, the center of this half arc convex h is provided with the locating hole of an axial distribution, this locating hole and half arc convex are eccentric structure, locating hole processes on the basis by the location aperture d of described donut.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of front mounting edge linear cutting clamp of starter that is suitable for time processing moulding.
For solving the problems of the technologies described above, the utility model provides a kind of starter front mounting edge linear cutting clamp, comprising: the circular support base plate that bottom surface contacts with workbench, the U-shaped pressure strip for fixed mould coordinating with support baseboard.
Described support baseboard is provided with one for placing the shoulder hole of workpiece to be processed, in described shoulder hole, there is a through hole, the interior shape face of this through hole is made up of two sections of semicircle cambered surfaces corresponding with the outside cambered surface e of part and opposite side cambered surface f, the wherein circle at the first cambered surface place and shoulder hole bias, the circle at the second cambered surface place relative with this cambered surface is concentric with shoulder hole, the junction of the first cambered surface and the second cambered surface is provided with chamfering, and the central authorities of the second cambered surface are provided with the semi-circular recesses corresponding with half arc convex h of part.
On described support baseboard, be distributed with multiple locating holes, for jig, the gripper shoe of described contiguous semi-circular recesses is provided with a wire hole, for wearing silk cutting, is provided with a groove being connected between described semi-circular recesses and wire hole.
On described support baseboard, be evenly distributed with 3-5 bolt hole, U-shaped pressure strip, by the bolt hole secure fit on bolt and support baseboard, is provided with packing ring between described U-shaped pressure strip and bolt.
The diameter of the shoulder hole of described support baseboard is compared with the large 0.02-0.15mm of external diameter of mould (being donut), to be suitable for guaranteeing that mould can pack in shoulder hole smoothly.
The two ends, bottom of described U-shaped pressure strip are equipped with downward projection, to be suitable for spacing mould and compaction mold.
Fixture adopts board-like supporting way clamping, and for ease of centering and adjustment position, the outer side surface of described support baseboard is provided with a concave station shoulder.Fixture is placed on platen face, coordinate dial gauge method for centering to adjust, with magnetic force dial framework, dial gauge is fixed on guide frame or other position, the gage outfit of dial gauge and concave station shoulder contacts side surfaces, move back and forth workbench, press dial gauge indicated value and adjust the position of fixture, until the beat scope of dial gauge pointer reaches desired numerical value.The positioning reference plane that makes fixture respectively with the work top of lathe and the direction of feed x of workbench or y keeping parallelism, the relative positional accuracy between surface and the datum level being cut to guarantee.
When use, mould to be processed is placed in to the shoulder hole of support baseboard, by locating hole, mould is positioned, make the center of the location aperture d on mould by Cao center, be loaded on U-shaped pressure strip, screw bolt, by U-shaped pressure strip, mould to be processed is pressed in support baseboard; Electrode wires, through wire hole, enters in shoulder hole along groove, and cuts along through hole.
Technique effect of the present utility model: before starter of the present utility model, mounting edge has been simplified manufacturing procedure with the use of linear cutting clamp, shorten process time, avoided part in switching process because knocking out of producing of unpredictable reason damaged, production efficiency and product quality are improved, save production cost, referring to the contrast table of two kinds of processing methods of rear mounting edge of specific embodiment.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Figure 1A is the mould schematic diagram before front mounting edge cutting,
Figure 1B is the A-A generalized section of Figure 1A,
Fig. 2 is the structural representation after front mounting edge cutting,
Fig. 3 A is the structural representation of linear cutting clamp of the present utility model,
Fig. 3 B is the B-B profile of Fig. 3 A,
Fig. 3 C is the structural representation of support baseboard,
Fig. 4 is the structural representation of U-shaped pressure strip.
The specific embodiment
As Fig. 3 A-Fig. 4, the mounting edge linear cutting clamp of the present embodiment, comprising: the circular support base plate 1 that bottom surface contacts with workbench, the U-shaped pressure strip 2 for fixed mould coordinating with support baseboard 1.
Described support baseboard 1 is provided with one for placing the shoulder hole 11 of workpiece to be processed, in described shoulder hole 11, there is a through hole 12, the interior shape face of this through hole 12 is made up of two sections of semicircle cambered surfaces corresponding with the outside cambered surface e of part and opposite side cambered surface f, the wherein circle at the first cambered surface 13 places and shoulder hole 11 bias, the circle at second cambered surface 14 places relative with this cambered surface is concentric with shoulder hole 11, the junction of the first cambered surface 13 and the second cambered surface 14 is provided with chamfering, and the central authorities of the second cambered surface 14 are provided with the semi-circular recesses 15 corresponding with half arc convex h of part.
On described support baseboard 1, be distributed with multiple locating holes 18, for jig, the gripper shoe 1 of described contiguous semi-circular recesses 15 is provided with a wire hole 10, for wearing silk cutting, is provided with a groove being connected 19 between described semi-circular recesses 15 and wire hole 10.
On described support baseboard 1, be evenly distributed with 3-5 bolt hole 16, U-shaped pressure strip 2, by bolt hole 16 secure fit on bolt 3 and support baseboard, is provided with packing ring 4 between described U-shaped pressure strip 2 and bolt 3.
The diameter of the shoulder hole 11 of described support baseboard 1 is compared with the large 0.02-0.15mm of external diameter of mould (being donut), to be suitable for guaranteeing that mould can pack in shoulder hole 11 smoothly.
The two ends, bottom of described U-shaped pressure strip 2 are equipped with downward projection 21, to be suitable for spacing the shoulder part of mould and compaction mold.
Fixture adopts board-like supporting way clamping, and for ease of centering and adjustment position, the outer side surface of described support baseboard is provided with a concave station shoulder 17.Fixture is placed on platen face, coordinate dial gauge method for centering to adjust, with magnetic force dial framework, dial gauge is fixed on guide frame or other position, the gage outfit of dial gauge and concave station shoulder contacts side surfaces, move back and forth workbench, press dial gauge indicated value and adjust the position of fixture, until the beat scope of dial gauge pointer reaches desired numerical value.The positioning reference plane that makes fixture respectively with the work top of lathe and the direction of feed x of workbench or y keeping parallelism, the relative positional accuracy between surface and the datum level being cut to guarantee.
When use, mould to be processed is placed in to the shoulder hole 11 of support baseboard 1, by locating hole 18, mould is positioned, make the center of the location aperture d on mould by Cao19 center, be loaded on U-shaped pressure strip 2, screw bolt 3, by U-shaped pressure strip 2, mould to be processed is pressed in support baseboard 1; Electrode wires, through wire hole 10, enters in shoulder hole 11 along groove 19, and cuts along through hole 12.
Two kinds of processing method contrast tables of front mounting edge are as follows:
Claims (6)
1. a mounting edge linear cutting clamp before starter, is characterized in that comprising: the circular support base plate that bottom surface contacts with workbench, the U-shaped pressure strip for fixed mould coordinating with support baseboard;
Described support baseboard is provided with one for placing the shoulder hole of workpiece to be processed, in described shoulder hole, there is a through hole, the interior shape face of this through hole is made up of two sections of semicircle cambered surfaces, the wherein circle at the first cambered surface place and shoulder hole bias, the circle at the second cambered surface place relative with this cambered surface is concentric with shoulder hole, the junction of the first cambered surface and the second cambered surface is provided with chamfering, and the central authorities of the second cambered surface are provided with semi-circular recesses.
2. mounting edge linear cutting clamp before starter as claimed in claim 1, it is characterized in that: on described support baseboard, be distributed with multiple locating holes, the support baseboard of contiguous described semi-circular recesses is provided with a wire hole, is provided with a groove being connected between described semi-circular recesses and wire hole.
3. mounting edge linear cutting clamp before starter as claimed in claim 1, it is characterized in that: on described support baseboard, be evenly distributed with 3-5 bolt hole, U-shaped pressure strip, by the bolt hole secure fit on bolt and support baseboard, is provided with packing ring between described U-shaped pressure strip and bolt.
4. mounting edge linear cutting clamp before starter as claimed in claim 1, is characterized in that: the diameter of the shoulder hole of described support baseboard is compared with the large 0.02-0.15mm of the external diameter of mould.
5. mounting edge linear cutting clamp before starter as claimed in claim 3, is characterized in that: the two ends, bottom of described U-shaped pressure strip are equipped with downward projection.
6. mounting edge linear cutting clamp before starter as claimed in claim 1, is characterized in that: the outer side surface of described support baseboard is provided with a concave station shoulder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320808118.8U CN203622012U (en) | 2013-12-09 | 2013-12-09 | Linear cutting clamp for front installation edge of starter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320808118.8U CN203622012U (en) | 2013-12-09 | 2013-12-09 | Linear cutting clamp for front installation edge of starter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203622012U true CN203622012U (en) | 2014-06-04 |
Family
ID=50808530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320808118.8U Expired - Fee Related CN203622012U (en) | 2013-12-09 | 2013-12-09 | Linear cutting clamp for front installation edge of starter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203622012U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103624596A (en) * | 2013-12-09 | 2014-03-12 | 常州兰翔机械有限责任公司 | Linear cutting clamp for starter front mounting side |
-
2013
- 2013-12-09 CN CN201320808118.8U patent/CN203622012U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103624596A (en) * | 2013-12-09 | 2014-03-12 | 常州兰翔机械有限责任公司 | Linear cutting clamp for starter front mounting side |
| CN103624596B (en) * | 2013-12-09 | 2015-12-09 | 常州兰翔机械有限责任公司 | Mounting edge linear cutting clamp before starter |
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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: 20140604 Termination date: 20211209 |