CN207289481U - A kind of adjustable fast positioning clamping device of the more crank throws of turning bent axle - Google Patents
A kind of adjustable fast positioning clamping device of the more crank throws of turning bent axle Download PDFInfo
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- CN207289481U CN207289481U CN201721215396.7U CN201721215396U CN207289481U CN 207289481 U CN207289481 U CN 207289481U CN 201721215396 U CN201721215396 U CN 201721215396U CN 207289481 U CN207289481 U CN 207289481U
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- clamp
- bent axle
- master body
- indexing
- tailstock
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Abstract
The utility model discloses a kind of adjustable fast positioning clamping device of the more crank throws of turning bent axle, including master body, indexing clamp, detent mechanism, clamp system, tailstock, it is installed on the outside of the indexing clamp on master body, the detent mechanism is installed on master body, and equipped with elastic positioning pin with indexing card slot phase configuration on indexing clamp, the indexing clamp is fixedly connected by fastener with master body, the inner side of the indexing clamp is engaged equipped with clamp lid with one end of bent axle, and clamped by clamp system, the tailstock is connected with the other end of bent axle.The utility model is realized by index chuck, clamp system and tailstock is quickly accurately positioned clamping bent axle during crankshaft turning crank throw, the crankshaft crank processing at a variety of phase angles, more crank throws can be achieved, clamping simple operation, it is low to fabricate cost, improve the precision and surface quality of crankshaft crank processing, production efficiency is high, and securely and reliably.
Description
Technical field
A kind of adjustable fast positioning clamping device of the more crank throws of turnery processing bent axle is the utility model is related to, it is especially a kind of
Can be with Quick-clamped in the crank throw of the more crank throw bent axles of turnery processing, while kept when crankshaft high-speed turns round and bears cutting force
Workpiece is stable, reduces the device of vibration.
Background technology
Bent axle is for one of important movement parts in the mechanical equipments such as compressor, engine, can be divided usually on bent axle
Be furnished with one and arrive multiple crank throws (i.e. connecting rod neck), the phase angles of more crank throws be distributed with 60 °, 72 °, 90 °, 120 °, 180 ° etc. it is a variety of
Situation, bent axle and crank connect passing power by connecting rod neck, and stress is complicated, and alternate load is big, in order to ensure that mechanical movement is put down
Surely, it is very high to the requirement on machining accuracy of crank throw, general size tolerance≤0.025mm, Geometrical Tolerance Principle≤0.015mm.
In common turnery processing, crankshaft crank processing needs eccentric clamping, and often processing a crank throw need to be by the center of crank throw and car
Bed main-shaft core adjustment is consistent, and crank throw Crankshaft Machining more than one needs multiple clamping centering, and plain clamp, which has clamping centering, to be stranded
Difficulty, chatter easily occurs for eccentric rotary inertia ambassador's major axis working angles, time-consuming and laborious, it is difficult to ensure required precision, to lathe and
Cutter loss is also larger.
Utility model content
The technical problem to be solved by the utility model is to provide one kind in view of the deficiency of the prior art to look for
It is just convenient, the adjustable fast positioning clamping device of the more crank throws of turning bent axle of machining accuracy can be improved.
Technical solution is used by the utility model：A kind of adjustable fast positioning clamping dress of the more crank throws of turning bent axle
Put, it is characterised in that：Including master body, indexing clamp, detent mechanism, clamp system, tailstock, the outside peace of the indexing clamp
It is located on master body, the detent mechanism is installed on master body, and equipped with elastic positioning pin with indexing card slot on indexing clamp
Phase configuration, it is described indexing clamp be fixedly connected by fastener with master body, it is described indexing clamp inner side be equipped with clamp lid and
One end of bent axle is engaged, and is clamped by clamp system, and the tailstock is connected with the other end of bent axle.
By above-mentioned technical proposal, balance adjustment mechanism is configured with master body.
By above-mentioned technical proposal, the indexing clamp includes index dial, clamp lid, and the termination of the index dial is inserted into master
In centre bore on disk body, reticule is equipped with index dial, the clamp lid is divided into clamp upper cover and clamp lower cover, Liang Zhefen
Body is set, and the clamp lower cover is connected with index dial by connector, and the clamp upper cover coordinates clamping bent axle with clamp lower cover.
By above-mentioned technical proposal, clamping shoe is configured with the clamp lid, the clamping shoe passes through slip groove and clamp
Lid positioning, the clamping shoe are divided into half-watt and lower half-watt, and the upper half-watt is installed in clamp upper cover, and lower half-watt is installed and blocked
In head lower cover.
By above-mentioned technical proposal, the side and the side of clamp lower cover of the clamp upper cover are hinged, and opposite side passes through work
Connecting bolt is connected with clamp lower cover.
By above-mentioned technical proposal, the clamp system symmetrically installs the both sides with clamp lid, including clamping support, the clamping
One end of frame is connected with clamp lid, and the other end is connected with bent axle.
By above-mentioned technical proposal, the detent mechanism includes the location key seat being fixed on master body, in location key seat
Pin hole in be equipped with elastic positioning pin, the elastic positioning pin includes positioning pin and spring, one end of the spring and positioning pin
Seat connection, the other end are connected with positioning pin, and the positioning pin is radially set with respect to master body.
By above-mentioned technical proposal, the tailstock includes tailstock positioning disk, and bent axle is equipped with tailstock positioning disk and fixes support
Hole and multiple top location holes, the phase angle that the Kong Weiyu of the top location hole is indexed on clamp is correspondingly arranged, top fixed
Position is equipped with positioning sleeve in hole, during work, the top garrison positioning sleeve of lathe, on tailstock positioning disk equipped with and bent axle fixation supported hole
Vertically disposed holes for clamping, gripping sleeve is equipped with the side of holes for clamping, and bent axle is clamped by fishbolt and gripping sleeve.
By above-mentioned technical proposal, the balance adjustment mechanism includes the balance weight being installed on master body.
Having the beneficial effect that acquired by the utility model：
1st, the utility model is realized by index chuck, clamp system and tailstock and is quickly accurately positioned during crankshaft turning crank throw
Bent axle is clamped, it can be achieved that a variety of phase angles, the crankshaft crank processing of more crank throws, clamping simple operation, processing and manufacturing cost is low, carries
The high precision and surface quality of crankshaft crank processing, production efficiency is high, and securely and reliably.2nd, it is effective by adjustment mechanism
Crankshaft eccentric is avoided to operate and cut chatter caused by loading process.3rd, single-piece work of the utility model for bent axle is still criticized
Amount production, can realize quick, efficient, easy, safe production.
Brief description of the drawings
Fig. 1 is the working state schematic representation of the utility model.
Fig. 2 is the structure diagram that master body is connected with indexing clamp in the utility model.
Fig. 3 is the right view of Fig. 2.
Fig. 4 is the structure diagram of the clamping shoe of the utility model.
Fig. 5 is the left view of Fig. 4.
Fig. 6 is the tailstock front view of the utility model.
Fig. 7 is the right view of Fig. 6.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in Figs. 1-3, a kind of adjustable fast positioning clamping device of the more crank throws of turning bent axle is present embodiments provided, is wrapped
Master body 9, indexing clamp 20, detent mechanism, clamp system, tailstock are included, the outside of the indexing clamp 20 is installed in master body 9
On, the detent mechanism is installed on master body 9, and equipped with elastic positioning pin with indexing card slot phase configuration, institute on indexing clamp
State indexing clamp 20 to be fixedly connected with master body by fastener, the inner side of the indexing clamp is equipped with the one of clamp lid and bent axle
End is engaged, and is clamped by clamp system, and the tailstock is connected with the other end of bent axle.
The master body 9 is plate-like, and the outside of master body 9 is cylindrical to be connected with machine chuck, as the clamping device with
Transmission connection device between lathe, centre bore is equipped with the center of master body 9.The indexing clamp 20 includes index dial, connects
Fitting and clamp lid, the termination of the index dial are inserted into the centre bore on master body 9, and reticule is equipped with index dial,
The index dial is connected by four groups of nuts 10, packing ring 11, spring washer 12, tommyhead bolt 13 with master body 9.The clamp
Lid is divided into clamp upper cover 14 and clamp lower cover, both are separately set, and the clamp lower cover is connected with index dial by connector.Institute
State clamp upper cover 14 and one end of clamp lower cover is movably hinged by alignment pin, the other end is designed as movable joint fastening machine configuration
Formula, i.e., be installed under clamp on lid by the loose joint bulb of loose joint bolt 15, and it is tight to be designed with eyelet bolt in clamp upper cover 14
Gu card slot, when clamp lower cover coordinates clamping bent axle with clamp upper cover 14, the clamping of pad corresponding size is selected according to bent axle diameter of shaft
Watt, as illustrated in figures 4-5, clamping shoe includes upper half-watt 28 and lower half-watt 29, and upper half-watt 28 is loaded a upper cover 14, and lower half-watt 29 is loaded
On the lower lid of head, clamping shoe is positioned with clamp lid by slip groove, is fastened with soket head cap screw 27, by tightening eyelet bolt and determining
Position pin 21 clamps crankshaft workpiece.
The indexing of the utility model is adjusted with indexing clamp to coordinate by detent mechanism and realized, detent mechanism includes positioning pin
Seat 1, alignment pin 2, positioning pin 3, handle 4, spring 5, packing ring 6, fillister head screw 7, taper bolt 8, location key seat pass through four groups
Packing ring 6 and fillister head screw 7 and two taper bolts 8 are accurately fixed on master body, positioned at the side of indexing clamp 20, positioning pin
3 are combined as elastic positioning pin with alignment pin 2, handle 4, spring 5, are installed on location key seat 1.It is designed with index dial 2001
Several indexing position trapezoidal card slots, and during positioning, by rotary index clamp, elastic positioning pin is caught in the card slot of respective angles
It is interior, realize quick accurate angular adjustment, then index dial is fixed on master body 9 by fastener again.
The clamp system is symmetrically installed in the both sides of clamp lid, and the positioning for auxiliary adjustment bent axle clamps, including folder
Tight frame 19, pinching screw 16, socket cap screw 17, packing ring 18, clamping support 19 pass through four groups of socket cap screws
17 and 18 degree of packing ring be fixed under clamp on lid, pinching screw 16 is installed on the threaded hole of clamping support 19, and is connected with bent axle,
Auxiliary clamp and the dismounting of workpiece are realized by adjusting pinching screw.
As shown in fig. 6-7, the tailstock includes tailstock positioning disk 30, and bent axle is equipped with tailstock positioning disk 30 and fixes support
Hole and multiple top location holes, the phase angle that the Kong Weiyu of the top location hole is indexed on clamp is correspondingly arranged, top fixed
Position is inlaid with positioning sleeve 31 in hole, and during work, lathe is top to move into positioning sleeve 31, is equipped with tailstock positioning disk and is fixed with bent axle
The vertically disposed holes for clamping of supported hole, is equipped with gripping sleeve 32 in the side of holes for clamping, is pressed from both sides by fishbolt 31 and gripping sleeve 32
Tight bent axle.During work, bent axle afterbody is put into tailstock inner support hole, tightens bent axle gripping sleeve 32, and top withstand of lathe is blocked with indexing
In the corresponding positioning sleeve 31 of phase that head uses, tailstock is withstood by positioning sleeve 31.
In the present embodiment, lower end is provided with balance adjustment mechanism on the right side of master body, to the bias during crankshaft turning
Torque is balanced, and avoids that larger chatter occurs.Balance adjustment mechanism relies primarily on balance weight 26 and realizes, configures as needed not
The balance weight 26 of stack pile, the balance weight gross weight used according to the estimation of crankshaft eccentric rotatable dynamic balance, chooses suitable thickness
Some balance weight combinations, are fixed on master body by studs 22, packing ring 23, spring washer 24, nut 25.
In use, first combining master body 9 with indexing clamp connection, and it is clamped on machine chuck, centering master body 9 returns
Turn center to overlap with machine tool chief axis center, unclamp two pinching screws 16 of eyelet bolt 15 and left and right, bent axle is overed into clamp
In lid, eyelet bolt 15 and two pinching screws 16 are adjusted, pre-fix workpiece, with the use of tailstock, ensure time that turning is turned
Turn center to overlap with the main-shaft core of lathe.After the crank throw of first phase is processed, elastic positioning pin is unclamped manually, is adjusted
Index chuck angle, elastic positioning pin is placed in the respective card slot of next phase crank throw, you can it is bent to carry out next phase
The processing turned.Thus after processing bent axle whole crank throw successively, each associated mechanisms are exited, unload bent axle, crank throw turning is completed and adds
Work.
Claims (9)
- A kind of 1. adjustable fast positioning clamping device of the more crank throws of turning bent axle, it is characterised in that：Including master body, indexing card Head, detent mechanism, clamp system, tailstock, described index are installed on master body on the outside of clamp, and the detent mechanism is installed in On master body, and equipped with elastic positioning pin with indexing clamp on index card slot phase configuration, it is described indexing clamp by fastener with Master body is fixedly connected, and the inner side of the indexing clamp is engaged equipped with clamp lid with one end of bent axle, and passes through clamp system Clamp, the tailstock is connected with the other end of bent axle.
- 2. adjustable fast positioning clamping device according to claim 1, it is characterised in that：Balance is configured with master body Adjusting mechanism.
- 3. adjustable fast positioning clamping device according to claim 1 or 2, it is characterised in that：The indexing clamp includes Index dial, clamp lid, the termination of the index dial are inserted into the centre bore on master body, and reticule is equipped with index dial, The clamp lid is divided into clamp upper cover and clamp lower cover, both are separately set, and the clamp lower cover passes through connector with index dial It is connected, the clamp upper cover coordinates clamping bent axle with clamp lower cover.
- 4. adjustable fast positioning clamping device according to claim 3, it is characterised in that：It is configured with the clamp lid Clamping shoe, the clamping shoe are positioned by slip groove and clamp lid, and the clamping shoe is divided into half-watt and lower half-watt, the upper half Watt install in clamp upper cover, lower half-watt install with clamp lower cover.
- 5. adjustable fast positioning clamping device according to claim 3, it is characterised in that：The side of the clamp upper cover with The side of clamp lower cover is hinged, and opposite side is connected by loose joint bolt with clamp lower cover.
- 6. adjustable fast positioning clamping device according to claim 3, it is characterised in that：The clamp system is symmetrically installed With the both sides of clamp lid, including clamping support, one end of the clamping support is connected with clamp lid, and the other end is connected with bent axle.
- 7. adjustable fast positioning clamping device according to claim 1 or 2, it is characterised in that：The detent mechanism includes The location key seat being fixed on master body, is equipped with elastic positioning pin, the elastic positioning pin bag in the pin hole in location key seat Positioning pin and spring are included, one end of the spring is connected with location key seat, and the other end is connected with positioning pin, the positioning pin phase Master body is radially set.
- 8. adjustable fast positioning clamping device according to claim 1 or 2, it is characterised in that：The tailstock includes tailstock Positioning disk, bent axle is equipped with tailstock positioning disk and fixes supported hole and multiple top location holes, the hole position of the top location hole It is correspondingly arranged with the phase angle on indexing clamp, is equipped with positioning sleeve in top location hole, during work, top move into of lathe positions Set, is equipped with tailstock positioning disk and fixes the vertically disposed holes for clamping of supported hole with bent axle, be equipped with and clamp in the side of holes for clamping Set, bent axle is clamped by fishbolt and gripping sleeve.
- 9. adjustable fast positioning clamping device according to claim 2, it is characterised in that：The balance adjustment mechanism includes The balance weight being installed on master body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721215396.7U CN207289481U (en) | 2017-09-21 | 2017-09-21 | A kind of adjustable fast positioning clamping device of the more crank throws of turning bent axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721215396.7U CN207289481U (en) | 2017-09-21 | 2017-09-21 | A kind of adjustable fast positioning clamping device of the more crank throws of turning bent axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207289481U true CN207289481U (en) | 2018-05-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721215396.7U Active CN207289481U (en) | 2017-09-21 | 2017-09-21 | A kind of adjustable fast positioning clamping device of the more crank throws of turning bent axle |
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| Country | Link |
|---|---|
| CN (1) | CN207289481U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112025433A (en) * | 2020-09-22 | 2020-12-04 | 江苏罡阳股份有限公司 | Integral crankshaft crank grinding automatic positioning clamp |
-
2017
- 2017-09-21 CN CN201721215396.7U patent/CN207289481U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112025433A (en) * | 2020-09-22 | 2020-12-04 | 江苏罡阳股份有限公司 | Integral crankshaft crank grinding automatic positioning clamp |
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