CN203696501U - Clamp for flat and square milling processing of crank shaft - Google Patents
Clamp for flat and square milling processing of crank shaft Download PDFInfo
- Publication number
- CN203696501U CN203696501U CN201320726872.7U CN201320726872U CN203696501U CN 203696501 U CN203696501 U CN 203696501U CN 201320726872 U CN201320726872 U CN 201320726872U CN 203696501 U CN203696501 U CN 203696501U
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- China
- Prior art keywords
- clamp body
- tip
- screw
- sleeve
- seat
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- Expired - Fee Related
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- 238000003801 milling Methods 0.000 title claims abstract description 17
- 238000012856 packing Methods 0.000 claims description 13
- 238000003825 pressing Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 2
- 239000000956 alloy Substances 0.000 abstract 4
- 229910045601 alloy Inorganic materials 0.000 abstract 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses a clamp for flat and square milling processing of a crank shaft. The clamp comprises a front tip seat, a rear tip seat and an angle positioning device, wherein the front tip seat comprises a front tip clamp body, a tip sleeve I and a hard alloy tip I; a positioning hole I is formed in the front end of the front tip clamp body; a power assisting resilience mechanism is arranged in the tip sleeve I connected with the positioning hole I; the hard alloy tip I is connected with the tip sleeve I through springs; a mounting baffle is arranged at the rear end of the front tip clamp body; a tip locking mechanism I is arranged on the upper surface of the front tip clamp body; the rear tip seat comprises a rear tip clamp body, a tip sleeve II and a hard alloy tip II; a positioning hole II is formed in the front end of the rear tip clamp body, the tip sleeve II is connected with the positioning hole II, the hard alloy tip II is connected with the tip sleeve II; a screw-in mechanism is arranged at the rear end of the rear tip clamp body; a tip locking mechanism II is arranged on the upper surface of the rear tip clamp body; the front tip seat and the rear tip seat are connected with a working table through T-shaped screws. According to the utility model, through simple adjustment, the processing of various crank shafts can be realized.
Description
Technical field
The utility model belongs to mechanical field, is specifically related to a kind of crank shaft flat side milling clamper.
Background technology
In flat side's milling processing of bent axle, be generally that a frock clamp body is installed on platen, on concrete the V-type seat mounting clamp of two trunnion location use, a V-type positioning seat of determining crankshaft length direction is installed again, two adjustable locating shafts are installed simultaneously on clamp body, adjust the angle position of bent axle, on the V-type seat of two trunnion location use, one group of hold-down mechanism being made up of pressing plate, clamping screw, screw rod is installed in addition, every kind of bent axle uses a frock, after clamping, the 1st flat aspect of milling bent axle, then turn-over milling the 2nd flat aspect.Due to different bent axles, the differences such as journal size, eccentric throw, length, generally all need a set of corresponding frock, are not suitable with flexible production, and frock cost is high; This kind of flat side's frock of crankshaft milling, relatively simple for structure, operate fairly simplely, but because the variation of the size dimension of two locating journals has impact to product processing quality (flat side's size, symmetry etc.), thereby the stability of product quality is had a certain impact.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned the deficiencies in the prior art, and a kind of crank shaft flat side milling clamper is provided, and this fixture can or be changed locating piece by simple position adjustments, just can realize the processing of multiple bent axle; By adopting the utility model frock, greatly reduce the cost of manufacture of frock; Owing to not needing to make new frock, concerning developing new product, the construction cycle will be shortened widely; The center reference that is simultaneously crankshaft journal due to positioning datum, mismachining tolerance is little, and constant product quality is good.
The technical scheme that the utility model adopts is: a kind of crank shaft flat side milling clamper, comprise front dead head, tail block and angle positioning device, described front dead head comprises front top clamp body, tailstock sleeve and carbide-tipped center, front top clamp body front end has locating hole, in tailstock sleeve, be provided with power-assisted rebounding mechanism, tailstock sleeve is connected with locating hole, carbide-tipped center is connected with tailstock sleeve by spring, front top clamp body rear end is provided with installation baffle plate, front top clamp body upper surface is provided with top retaining mechanism, tail block comprises back centre clamp body, tailstock sleeve and carbide-tipped center, back centre clamp body front end has locating hole, tailstock sleeve is connected with locating hole, carbide-tipped center is connected with tailstock sleeve, back centre clamp body rear end is provided with precession mechanism, back centre clamp body upper surface is provided with top retaining mechanism, front dead head is all connected with work top by T-shaped screw with tail block, angle detent mechanism comprises positioning seat, described positioning seat is connected with pressing plate by backstay, clamping screw is connected with positioning seat by spring, locating piece is connected with positioning seat by screw, backstay, clamping screw is close to positioning seat and is provided with nut.
As preferably, described power-assisted rebounding mechanism comprises back shaft, and back shaft is connected with tailstock sleeve, and back shaft is connected with eccentric wheel away from one end of tailstock sleeve, support bar side is close to eccentric wheel and is provided with successively adjustment packing ring and nut, and described eccentric wheel upper surface is respectively equipped with opening screw and handle.
As preferably, described top retaining mechanism comprises lock sleeve and lower lock sleeve, described upper lock sleeve is connected by spring with lower lock sleeve, and upper lock sleeve is provided with platen and trimmer away from one end of lower lock sleeve, between described platen and trimmer, is connected by screw.
As preferably, described precession mechanism comprises feed screw nut and supporting seat, supporting seat is connected with back centre clamp body, feed screw nut is connected with carbide-tipped center, feed screw nut is provided with screw mandrel away from one end of carbide-tipped center, and screw mandrel is through supporting seat, and screw mandrel is far close to supporting seat and is provided with successively packing ring and nut, handwheel is connected with supporting seat, and handwheel is provided with handle.
As preferably, also comprise axial positioning structure, described axial positioning structure comprises axial location seat, and described axial location seat is fixed on work top by T-shaped screw, and T-shaped screw is provided with packing ring and nut.
As preferably, also comprise auxiliary location structure, described auxiliary location structure comprises V-type body, and described V-type body is fixed on work top by T-shaped screw, and T-shaped screw is provided with packing ring and nut.
The beneficial effects of the utility model are: feather key be installed on front dead head and tail block and relied on platen, can adjust length, to realize frock flexibility.Simultaneously an angle location structure and an axial location seat are installed, to determine angle position and the axial location of bent axle.These structures can reduce bent axle and change the impact on the flat side's quality of product because of two trunnion sizes, and frock will adapt to the processing of many kinds simultaneously.
Brief description of the drawings
Fig. 1 is top holder structure schematic diagram before the utility model;
Fig. 2 is the utility model axial location seat, auxiliary location structure structural representation;
Fig. 3 is the utility model tail block structural representation;
Fig. 4 be in the utility model Fig. 1 A-A to view;
Fig. 5 be in the utility model Fig. 2 K to view.
In figure: 1, front top clamp body; 2, tailstock sleeve; 3, carbide-tipped center; 4, power-assisted rebounding mechanism; 5, spring; 6, baffle plate is installed; 7, top retaining mechanism; 8, back centre clamp body; 9, precession mechanism; 10, T-shaped screw; 11, positioning seat; 12, backstay; 13, pressing plate; 14, clamping screw; 15, locating piece; 16, nut; 17, axial positioning structure; 18, auxiliary location structure; 41, back shaft; 42, eccentric wheel; 43, adjust packing ring; 44, opening screw; 71, upper lock sleeve; 72, lower lock sleeve; 73, platen; 74, trimmer; 91, feed screw nut; 92, supporting seat; 93, screw mandrel; 94, handwheel; 95, handle.
Detailed description of the invention
Below in conjunction with the accompanying drawings and the specific embodiments the utility model is described in further detail.
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4 and Fig. 5, a kind of crank shaft flat side milling clamper, comprise front dead head, tail block and angle positioning device, described front dead head comprises front top clamp body 1, tailstock sleeve 2 and carbide-tipped center 3, front top clamp body 1 front end has locating hole, in tailstock sleeve 2, be provided with power-assisted rebounding mechanism 4, tailstock sleeve 2 is connected with locating hole, carbide-tipped center 3 is connected with tailstock sleeve 2 by spring 5, front top clamp body 1 rear end is provided with installs baffle plate 6, front top clamp body 1 upper surface is provided with top retaining mechanism 7, tail block comprises back centre clamp body 8, tailstock sleeve 2 and carbide-tipped center 3, back centre clamp body 8 front ends have locating hole, tailstock sleeve 2 is connected with locating hole, carbide-tipped center 3 is connected with tailstock sleeve 2, back centre clamp body 8 rear ends are provided with precession mechanism 9, back centre clamp body 8 upper surfaces are provided with top retaining mechanism 7, front dead head is all connected with work top by T-shaped screw 10 with tail block, angle detent mechanism comprises positioning seat 11, described positioning seat 11 is connected with pressing plate 13 by backstay 12, clamping screw 14 is connected with positioning seat 11 by spring 5, locating piece 15 is connected with positioning seat 11 by screw, backstay 12, clamping screw 14 is close to positioning seat 11 and is provided with nut 16.
As preferably, described power-assisted rebounding mechanism 4 comprises back shaft 41, back shaft 41 is connected with tailstock sleeve 2, back shaft 41 is connected with eccentric wheel 42 away from one end of tailstock sleeve 2, support bar side is close to eccentric wheel 42 and is provided with successively adjustment packing ring 43 and nut 16, and described eccentric wheel 42 upper surfaces are respectively equipped with opening screw 44 and handle 95.As preferably, described top retaining mechanism 7 comprises lock sleeve 71 and lower lock sleeve 72, described upper lock sleeve 71 is connected by spring 5 with lower lock sleeve 72, upper lock sleeve 71 is provided with platen 73 and trimmer 74 away from one end of lower lock sleeve 72, between described platen 73 and trimmer 74, is connected by screw.As preferably, described precession mechanism 9 comprises feed screw nut 91 and supporting seat 92, supporting seat 92 is connected with back centre clamp body 8, feed screw nut 91 is connected with carbide-tipped center 3, feed screw nut 91 is provided with screw mandrel 93 away from one end of carbide-tipped center 3, and screw mandrel 93 is through supporting seat 92, and screw mandrel 93 is far close to supporting seat 92 and is provided with successively packing ring and nut 16, handwheel 94 is connected with supporting seat 92, and handwheel 94 is provided with handle 95.As preferably, also comprise axial positioning structure 17, described axial positioning structure 17 comprises axial location seat 11, and described axial location seat 11 is fixed on work top by T-shaped screw 10, and T-shaped screw 10 is provided with packing ring and nut 16.As preferably, also comprise auxiliary location structure 18, described auxiliary location structure 18 comprises V-type body, and described V-type body is fixed on work top by T-shaped screw 10, and T-shaped screw 10 is provided with packing ring and nut 16.
Front and back dead head is retreated to certain position, workpiece is placed on auxiliary location structure 18, power-assisted rebounding mechanism is exited, the pre-top tight workpiece of precession mechanism 9 on rotation tail block, workpiece locating surface pastes axial direction positioning device, again by first little watt of workpiece locating surface that is placed on angle positioner, top tight workpiece, compress gently first little watt of hold-down mechanism nut 16, make first little watt of locating piece 15 of being close to angle positioner, retaining mechanism before and after locking on clamp body, process flat side's first surface, withdrawing, unclamp retaining mechanism and precession mechanism 9 exits a point, rotational workpieces makes first little watt to another locating piece 15 of angle positioner, rotation precession mechanism 9, be close to axial locating surface, compress gently first little watt of hold-down mechanism nut 16, make first little watt of locating piece 15 of being close to angle positioner, retaining mechanism before and after locking on clamp body, process flat side second, withdrawing, unclamp first little watt of hold-down mechanism nut 16, return top, take off workpiece, complete a fabrication cycles.
Claims (6)
1. crank shaft flat side's milling clamper, it is characterized in that: comprise front dead head, tail block and angle positioning device, described front dead head comprises front top clamp body, tailstock sleeve and carbide-tipped center, front top clamp body front end has locating hole, in tailstock sleeve, be provided with power-assisted rebounding mechanism, tailstock sleeve is connected with locating hole, carbide-tipped center is connected with tailstock sleeve by spring, front top clamp body rear end is provided with installation baffle plate, front top clamp body upper surface is provided with top retaining mechanism, tail block comprises back centre clamp body, tailstock sleeve and carbide-tipped center, back centre clamp body front end has locating hole, tailstock sleeve is connected with locating hole, carbide-tipped center is connected with tailstock sleeve, back centre clamp body rear end is provided with precession mechanism, back centre clamp body upper surface is provided with top retaining mechanism, front dead head is all connected with work top by T-shaped screw with tail block, angle detent mechanism comprises positioning seat, described positioning seat is connected with pressing plate by backstay, clamping screw is connected with positioning seat by spring, locating piece is connected with positioning seat by screw, backstay, clamping screw is close to positioning seat and is provided with nut.
2. crank shaft flat side according to claim 1 milling clamper, it is characterized in that: described power-assisted rebounding mechanism comprises back shaft, back shaft is connected with tailstock sleeve, back shaft is connected with eccentric wheel away from one end of tailstock sleeve, support bar side is close to eccentric wheel and is provided with successively adjustment packing ring and nut, and described eccentric wheel upper surface is respectively equipped with opening screw and handle.
3. crank shaft flat side according to claim 1 and 2 milling clamper, it is characterized in that: described top retaining mechanism comprises lock sleeve and lower lock sleeve, described upper lock sleeve is connected by spring with lower lock sleeve, upper lock sleeve is provided with platen and trimmer away from one end of lower lock sleeve, between described platen and trimmer, is connected by screw.
4. crank shaft flat side according to claim 1 and 2 milling clamper, it is characterized in that: described precession mechanism comprises feed screw nut and supporting seat, supporting seat is connected with back centre clamp body, feed screw nut is connected with carbide-tipped center, feed screw nut is provided with screw mandrel away from one end of carbide-tipped center, and screw mandrel is through supporting seat, and screw mandrel is far close to supporting seat and is provided with successively packing ring and nut, handwheel is connected with supporting seat, and handwheel is provided with handle.
5. crank shaft flat side according to claim 1 and 2 milling clamper, it is characterized in that: also comprise axial positioning structure, described axial positioning structure comprises axial location seat, and described axial location seat is fixed on work top by T-shaped screw, and T-shaped screw is provided with packing ring and nut.
6. crank shaft flat side according to claim 1 and 2 milling clamper, is characterized in that: also comprise auxiliary location structure, described auxiliary location structure comprises V-type body, and described V-type body is fixed on work top by T-shaped screw, and T-shaped screw is provided with packing ring and nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320726872.7U CN203696501U (en) | 2013-11-18 | 2013-11-18 | Clamp for flat and square milling processing of crank shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320726872.7U CN203696501U (en) | 2013-11-18 | 2013-11-18 | Clamp for flat and square milling processing of crank shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203696501U true CN203696501U (en) | 2014-07-09 |
Family
ID=51047000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320726872.7U Expired - Fee Related CN203696501U (en) | 2013-11-18 | 2013-11-18 | Clamp for flat and square milling processing of crank shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203696501U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104227457A (en) * | 2014-07-30 | 2014-12-24 | 浙江吉利控股集团有限公司 | Manual quick clamping device for work piece and workbench |
| CN105058102A (en) * | 2015-08-15 | 2015-11-18 | 河南省华祥起重机械有限公司 | Fixing device of milling machine |
-
2013
- 2013-11-18 CN CN201320726872.7U patent/CN203696501U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104227457A (en) * | 2014-07-30 | 2014-12-24 | 浙江吉利控股集团有限公司 | Manual quick clamping device for work piece and workbench |
| CN105058102A (en) * | 2015-08-15 | 2015-11-18 | 河南省华祥起重机械有限公司 | Fixing device of milling machine |
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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 |
Granted publication date: 20140709 Termination date: 20151118 |
|
| EXPY | Termination of patent right or utility model |