CN205277661U - Special clamping device of cam for injection pump - Google Patents
Special clamping device of cam for injection pump Download PDFInfo
- Publication number
- CN205277661U CN205277661U CN201520945809.1U CN201520945809U CN205277661U CN 205277661 U CN205277661 U CN 205277661U CN 201520945809 U CN201520945809 U CN 201520945809U CN 205277661 U CN205277661 U CN 205277661U
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- China
- Prior art keywords
- cam
- frame
- clamping
- injection pump
- arc
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- 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 discloses a special clamping device of cam for injection pump, which comprises a frame, the pneumatic cylinder, two the same cam clamping mechanism, the tail (holding) chuck, cam clamping mechanism includes the dwang, the disc cam, press from both sides tight piece, the one end and the disc cam fixed connection of dwang, the centre of turning circle and the frame activity hinge joint of disc cam, it gradually bursts at the seams to have one section locking arc and one section on the disc cam, the activity hinge joint who presss from both sides tight piece is in the frame, the lower part that presss from both sides tight piece has protruding circular arc, protruding circular arc cooperatees with the locking arc of disc cam, the upper portion that presss from both sides tight piece is formed with the arcwall face, two the same cam clamping mechanism arrange the both sides at the pneumatic cylinder respectively, tail (holding) chuck fixed mounting is in the frame, the lower part of tail (holding) chuck forms the arcwall face. Compare artificial centre gripping mode, the device utilizes the tight mode of clamp of the characteristic mechanical type of disc cam to press from both sides tightly the effectual clamping efficiency that has improved the cam to the cam.
Description
Technical field
The utility model relates to a kind of fuel oil injection system parts machining apparatus field, is specifically related to a kind of oil injection pump cam Special clamping device.
Background technology
The problems such as the dynamic property of engine, fuel economy are paid attention to all the more in the technical development of modern engine machine, and dynamic property, the fuel economy of Full Vehicle System are played a part very important by fuel oil injection system. Oil injection pump is on diesel engine of vehicle a important component part. Oil injection pump is that a processing is meticulous, the parts of manufacturing process complexity, modern, and the oil injection pump of general diesel engine of vehicle is all produced by a few specialty factory in the world both at home and abroad.
Oil injection pump wants dynamic source to operate, and the camshaft of its bottom is by engine crankshaft gear driven. Constantly bringing forth new ideas and developing along with China's science and technology, numerous parts of oil injection pump have started to start gradually to produce in Guo Nei enterprise, as camshaft, bent axle etc. have had very ripe production technology in automobile industry. Cam is as the vital part of camshaft, and the camshaft being applied to oil injection pump requires extremely high, so the precision of machining cam also requires higher. At present, machining cam is all generally by the routine techniques means such as milling cam curve, boring centre hole, but the cam on fuel injection camshaft is because of the particular requirement of its high precision, its clamping cannot be lived by often conventional fixture device, usually having needed several fixture jointly it to be stepped up, such installation way efficiency is not high and operates cumbersome yet.
Practical novel content
The utility model is intended to provide a kind of oil injection pump cam Special clamping device, it is to increase the clamping efficiency of cam.
Base case of the present utility model is: a kind of oil injection pump cam Special clamping device, comprise frame, hydro-cylinder, two identical cam clamping mechanisms, tail folder dish, cam clamping mechanism comprises dwang, dish type cam, clamping block, one end of dwang is fixedly connected with dish type cam, center of turning circle and the frame of dish type cam are movably hinged, dish type cam has one section of Locking arc and one section of involute urve, clamping block be movably articulated in frame, the bottom of clamping block has protruding circular arc, protruding circular arc matches with the Locking arc of dish type cam, the top of clamping block is formed with arc, two identical cam clamping mechanisms are arranged in the both sides of hydro-cylinder, tail folder dish is fixedly mounted in frame, arc is formed at the bottom of tail folder dish.
Dwang drives dish type cam to rotate, and the involute urve part of dish type cam supports the protruding circular arc of clamping block bottom, and clamping block presses to the side of cam gradually. Cam is pressed to tail folder dish side by two identical clamping mechanisms simultaneously, and clamping block jointly coordinates with tail folder dish and clamped by cam. After cam is clamped, the Locking arc of dish type cam and the arc contact compressing block lower lobes, even if again rotating dwang, dish type cam rotates within the specific limits, compress block still to be clamped by cam together with tail folder dish, so just it is possible to prevent cam when carrying out next process, can not be lived by effective clamping due to, vibration excessive by power suddenly or other reason, cam is stabilized on processing stations always, ensure that the processing quality of cam.
Because belonging to the fixture device that customization is special, the clamping efficiency of cam is very high, the various elaborations that once adjustment sets this device just can continuously, clamping cam fast, whether each clamping cam does not need to use clamping force suffered by other technique means detection cam excessive, because because the Locking arc of dish type cam just can ensure that the position that clamping block moves is equal every time. Rotate dwang continuously or make dwang reverse rotation just can unclamp clamped cam, make the operation unclamping cam also more convenient.
Prioritization scheme one: as the further optimization to base case, cam clamping mechanism also comprises extension spring, extension spring is fixedly mounted between frame and clamping block. The linear fluctuation that the object of extension spring is between reduction dish type cam and clamping block is set, makes clamping block clamping process when clamping cam more steady.
Prioritization scheme two: as the further optimization to prioritization scheme one, frame is processed with the chute of level, tail folder dish is slidably connected by chute and frame. The object that tail folder dish is slidably connected with frame is to make tail folder dish coordinate clamping block that cam is carried out horizontal location; cam is at clamped block and tail folder dish and while clamping gradually; by clamping, block carries out horizontal location to cam; tail folder dish coordinates main folder to face left the right side or movable; the contact area of cam and tail folder dish is made to reach maximum; the mode stepping up cam so not only can complete cam when clamped can self-centering, and can protect that cam can be clamped more firm.
Prioritization scheme three: as the further optimization to prioritization scheme two, the arc of tail folder dish is also formed with convex tooth, tooth and cam contacts side surfaces can make cam be clamped more firm.
Prioritization scheme four: as the further optimization to prioritization scheme three, frame is also installed with hydro-cylinder, two identical cam clamping mechanisms are arranged in the both sides of hydro-cylinder, one end of two dwangs all piston rod with hydro-cylinder be movably articulated in same position, hydro-cylinder is vertically arranged in frame. Drive dwang to rotate by hydro-cylinder simultaneously, it is distributed in hydro-cylinder both sides clamping block and cam is clamped simultaneously, reduce the workload of people, make the clamping efficiency of cam higher.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model a kind of oil injection pump cam Special clamping device embodiment;
Fig. 2 is the structural representation of the non-hydraulic cylinder driving of the utility model a kind of oil injection pump cam Special clamping device embodiment.
Embodiment
Below by embodiment, the utility model is described in further detail. It should be noted that at this, the explanation implementing mode for these understands the utility model for helping, but does not form restriction of the present utility model.
Reference numeral in Figure of description comprises: frame 1, hydro-cylinder 2, dwang 3, dish type cam 4, clamping block 5, extension spring 6, cam 7, tail folder dish 8, chute 101, convex tooth 81.
A kind of oil injection pump cam 7 Special clamping device as shown in Figure 1, comprises symmetrically arranged two identical cams 7 and compresses mechanism, hydro-cylinder 2, tail folder dish 8, and cam 7 compresses mechanism and comprises dwang 3, dish type cam 4, clamping block 5, extension spring 6. One end of dwang 3 is fixedly connected with dish type cam 4, and center of turning circle and the frame 1 of dish type cam 4 are movably hinged. Dish type cam 4 has one section of Locking arc and one section of involute urve, as shown in Figure 1, clamping block 5 be movably articulated in frame 1, the bottom of clamping block 5 has protruding circular arc, protruding circular arc matches with the Locking arc of dish type cam 4, when protruding circular arc contacts with the Locking arc of dish type cam 4, clamping block 5 also cannot being made to rotate even if dish type cam 4 rotates, clamping block 5 is at this moment by lock only.
Also it is installed with extension spring 6 between the bottom of clamping block 5 and frame 1, it is illustrated in figure 1 the stretched state of extension spring 6. The arc that top is formed with match in cam 7 side of clamping block 5, the present embodiment clamps, by dwang 3, dish type cam 4, clamping block 5 cam 7 identical with two that extension spring 6 is formed, the both sides that mechanism is arranged in hydro-cylinder 2, one end of two dwangs 3 all piston rod with hydro-cylinder 2 be movably articulated in same position, hydro-cylinder 2 vertically arranges and is fixedly mounted in frame 1. Certainly, even if the not applicable hydro-cylinder 2 of this device, reaching the object of cam 7 clamping equally, figure structure as shown in Figure 2 is the structural representation not using hydro-cylinder 2 to drive. The present embodiment as shown in Figure 1, frame 1 is processed with the chute 101 of level, and tail folder dish 8 is slidably connected by chute 101 and frame 1, and the arc that the bottom of tail folder dish 8 is also formed with match in cam 7 side, the arc of tail folder dish 8 is also formed convex tooth 81. Fig. 1 show state position when cam 7 is clamped, now clamping block 5 is only locked by dish type cam 4, clamping block 5 is not rotating, extension spring 6 Tensile effect generation elastic deformation, two identical clamping blocks 5 and tail folder dish 8 acting in conjunction by cam 7 clamping tightly in frame 1.
Cam 7 in the present embodiment is in the cam 7 on cam 7 axle that uses of oil injection pump, certainly, as needed the cam 7 of other different size of clamping, it is only necessary to change the arc shape of clamping block 5 and tail folder dish 8, so that it may reach the requirement of other different shapes cam 7 of clamping.
Claims (5)
1. an oil injection pump cam Special clamping device, it is characterized in that: comprise frame, hydro-cylinder, two identical cam clamping mechanisms, tail folder dish, described cam clamping mechanism comprises dwang, dish type cam, clamping block, one end of described dwang is fixedly connected with dish type cam, center of turning circle and the frame of described dish type cam are movably hinged, dish type cam has one section of Locking arc and one section of involute urve, described clamping block be movably articulated in frame, the bottom of clamping block has protruding circular arc, protruding circular arc matches with the Locking arc of dish type cam, the top of clamping block is formed with arc, described two identical cam clamping mechanisms are arranged in the both sides of hydro-cylinder, described tail folder dish is fixedly mounted in frame, arc is formed at the bottom of tail folder dish.
2. oil injection pump cam Special clamping device according to claim 1, it is characterised in that: described cam clamping mechanism also comprises extension spring, and described extension spring is fixedly mounted between frame and clamping block.
3. oil injection pump cam Special clamping device according to claim 2, it is characterised in that: the chute being processed with level in described frame, tail folder dish is slidably connected by chute and frame.
4. oil injection pump cam Special clamping device according to claim 3, it is characterised in that: the arc of described tail folder dish is also formed with convex tooth.
5. oil injection pump cam Special clamping device according to claim 4, it is characterized in that: described frame is also installed with hydro-cylinder, described two identical cam clamping mechanisms are arranged in the both sides of hydro-cylinder, one end of two dwangs all piston rod with hydro-cylinder be movably articulated in same position, hydro-cylinder is vertically arranged in frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520945809.1U CN205277661U (en) | 2015-11-24 | 2015-11-24 | Special clamping device of cam for injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520945809.1U CN205277661U (en) | 2015-11-24 | 2015-11-24 | Special clamping device of cam for injection pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205277661U true CN205277661U (en) | 2016-06-01 |
Family
ID=56062242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520945809.1U Expired - Fee Related CN205277661U (en) | 2015-11-24 | 2015-11-24 | Special clamping device of cam for injection pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205277661U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106963200A (en) * | 2017-04-01 | 2017-07-21 | 沈富强 | A kind of vase centering closing device |
| CN107725356A (en) * | 2017-11-12 | 2018-02-23 | 湖北华联泵业有限公司 | A kind of water pump being easily installed |
| CN115584464A (en) * | 2022-09-13 | 2023-01-10 | 浙江赤诚工贸有限公司 | Automatic production line capable of improving hot spraying quality of cookware and hot spraying method of cookware |
-
2015
- 2015-11-24 CN CN201520945809.1U patent/CN205277661U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106963200A (en) * | 2017-04-01 | 2017-07-21 | 沈富强 | A kind of vase centering closing device |
| CN106963200B (en) * | 2017-04-01 | 2018-07-17 | 泉州市泉石通智能科技有限公司 | A kind of vase centering closing device |
| CN107725356A (en) * | 2017-11-12 | 2018-02-23 | 湖北华联泵业有限公司 | A kind of water pump being easily installed |
| CN115584464A (en) * | 2022-09-13 | 2023-01-10 | 浙江赤诚工贸有限公司 | Automatic production line capable of improving hot spraying quality of cookware and hot spraying method of cookware |
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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: 20160601 Termination date: 20161124 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |