CN201136116Y - Double-eccentric disc with adjustable oscillation rack and oscillation amplitude - Google Patents
Double-eccentric disc with adjustable oscillation rack and oscillation amplitude Download PDFInfo
- Publication number
- CN201136116Y CN201136116Y CNU2007200418821U CN200720041882U CN201136116Y CN 201136116 Y CN201136116 Y CN 201136116Y CN U2007200418821 U CNU2007200418821 U CN U2007200418821U CN 200720041882 U CN200720041882 U CN 200720041882U CN 201136116 Y CN201136116 Y CN 201136116Y
- Authority
- CN
- China
- Prior art keywords
- eccentric disc
- eccentric
- disc
- hole
- oscillation
- 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
Links
Images
Abstract
The utility model provides a double eccentric disc capable of adjusting the swing amplitude of a rocker, and is characterized in that a connecting rod connected with a rocker swinging arm, a first eccentric disc, a second eccentric disc, and a locking component are arranged, wherein, the surface area of the first eccentric disc is larger than the surface area of the second eccentric disc; the second eccentric disc is installed on the first eccentric disc the bottom part structure of which corresponds to the bottom part structure of the second eccentric disc; a connecting hole is arranged on the second eccentric disc; the connecting rod is connected with the second eccentric disc through the connecting hole; the first eccentric disc is provided with a positioning hole corresponding to the through hole position of the second eccentric disc; and the locking component fixes the second eccentric disc on the first eccentric disc through the second eccentric disc through hole and the positioning hole of the first eccentric disc. The double eccentric disc has the advantages of simple machining and manufacture, convenient measurement, easy guarantee of relevant size requirements, convenient installation and debugging as well as machine adjustment, reduction of assembly and debugging intensity, improvement of working efficiency, simple structure, and easy operation.
Description
Affiliated technical field
The utility model relates to a kind of grinding and polishing tool of optics manufacture field, two eccentric discs of the adjustable rocker amplitude of oscillation in a kind of specifically polishing grinding equipment.
Background technology
The main forms of motion of tradition grinding and polishing machine is made of the rotation of mill and the swing of swing arm, wherein the periodic wobble of swing arm is mainly produced by crank and rocker mechanism work, its principle mainly is to use the swing that eccentric disc is converted to rotatablely moving of motor swing arm, by regulating the size of eccentric throw, the length of promptly regulating crank just can realize the adjusting of the rocker amplitude of oscillation easily.
The structural representation of eccentric disc as depicted in figs. 1 and 2 in the tradition polisher lapper.Mainly form by the disk that has T type groove, T type screw, adjusting screw(rod), locking nut etc.Wherein T type screw is connected with connecting rod by oscillating bearing.By regulating the position of T type screw axis, can realize the adjusting of eccentric throw, thereby can realize the adjusting of rocker amplitude of oscillation size with respect to the disk axis.
The eccentric disc that adopts this T of having type groove is when can conveniently realizing the adjusting of rocker amplitude of oscillation size, because himself structure and working mechanism, also the processing to part has proposed higher requirement.Eccentric disc requires must will to guarantee the symmetry of T type gathering sill with respect to the eccentric disc axis of opening that if symmetry is relatively poor, then eccentric disc can't return to zero at all man-hour adding when debugging.Not only require the side of side and T type groove that certain cooperation is arranged for T type screw, and require the axis of the axis of the screwed hole in the middle of it and its screw portion will be in one plane, so its Geometrical Tolerance Principle is higher relatively.Get difficulty and processing cost so the structure of traditional eccentric disc can improve part processing undoubtedly, simultaneously also the assembling and setting process has been proposed higher requirement, make assembling and setting process relative complex.
Summary of the invention
1, goal of the invention: in order to solve the deficiency of existing eccentric disc, the utility model provides a kind of two eccentric discs of the adjustable rocker amplitude of oscillation, two eccentric discs of the rocker amplitude of oscillation that this is adjustable are not only simple in structure, operation easily, and simplify the processing of traditional polisher lapper eccentric disc, reduce assembling and setting intensity, increase work efficiency.
2, technical scheme: a kind of pair of eccentric disc described in the utility model, it is characterized in that: it comprises connecting rod, first eccentric disc, second eccentric disc, the locking member that links to each other with the rocker swing arm, the first eccentric disc surface area is greater than the second eccentric disc surface area, second eccentric disc be installed in corresponding first eccentric disc of its polycrystalline substance on, second eccentric disc is provided with connecting hole, it is the center of circle that the position of connecting hole should be positioned at second eccentric disc, and the first eccentric disc center is on the circumference of place circle of radius to the second eccentric disc centre distance.Connecting rod is connected with second eccentric disc by connecting hole, first eccentric disc is provided with and the second eccentric disc central through hole position corresponding positioning hole, and locking member is fixed on second eccentric disc on first eccentric disc by the locating hole of the second eccentric disc central through hole and first eccentric disc.
For swing arm is effectively swung, the rocker swing arm is connected with oscillating bearing on being connected connecting rod by pull bar.
For the convenient eccentric throw of regulating accurately, be used to represent that with the index line on second eccentric disc is corresponding the semi-circular scale-board of eccentric throw numerical value is fixed on first eccentric disc.Scale-board be fixed on its on other first eccentric disc of the corresponding second eccentric disc circumference of annular shape, and on the line of symmetry that is centered close to second eccentric disc and first eccentric disc of scale-board.
In order to make motor effectively drive whole device, be provided with the cavity that connects machine shaft in the connector of the first eccentric disc bottom, when needing work, machine shaft inserts in the cavity can drive whole device work.
For better fixed electrical machinery rotating shaft, safer drive device work, thereby being used to insert the effective fixed electrical machinery rotating shaft of locking device links to each other with cavity by the first eccentric disc bottom connector outer wall with the screwed hole of first eccentric disc, after machine shaft inserts cavity, insert locking member from screwed hole, as lock-screw, just can the machine shaft and first eccentric disc is effectively fixing.
Operation principle of the present utility model is: as Fig. 3, according to the Mathematical Modeling of two eccentric disc structures, O is the pivot of two eccentric disc structures, and O ' is the pivot of second eccentric disc, and e is the actual eccentric throw of two eccentric discs, and A is the center of screw rod.Can draw the eccentric throw of two eccentric disc devices and the relation of angle θ from the graph:
e＝2RsinΨ＝2Rsin(θ/2)
θ is the angle of the second eccentric disc center and screw rod line of centres O ' A and the second eccentric disc center and the line OO ' of the center of rotation of two eccentric discs in the formula.R is the distance at the second eccentric disc center and screw rod center.
As can be seen from the above equation, by adjusting angle θ, and can realize adjustment to the eccentric throw of two eccentric disc structures.The also adjustable extent of the eccentric throw of structure in this as can be known simultaneously: 0≤e≤2R.
By above-mentioned Mathematical Modeling, can design corresponding two eccentric disc structure according to known maximum eccentricity and structural requirement, by calculating the eccentric throw that just can draw different θ angle correspondences, it can be made scale-board then, be installed on the corresponding apparatus reference when in the lathe use eccentric disc being regulated.
3, beneficial effect: the utility model processing and manufacturing is simple, is convenient to measure, and relative dimensions requires to be easy to guarantee, Installation and Debugging simultaneously and machine are adjusted more convenient, not only reduce assembling and setting intensity, increase work efficiency, and the utility model is simple in structure, easily operation.
Description of drawings
Fig. 1 is the sectional structure schematic diagram of existing eccentric disc.
Fig. 2 is the plan structure schematic diagram of existing eccentric disc.
Fig. 3 is the utility model schematic diagram.
Fig. 4 is the utility model sectional structure schematic diagram.
Fig. 5 is the utility model plan structure schematic diagram.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As Fig. 4 and Fig. 5, the utility model mainly comprises connecting rod 1, first eccentric disc 2, second eccentric disc 3, locking member 4, pull bar 5, oscillating bearing 6, scale-board 7, the screwed hole 8 that links to each other with the rocker swing arm, and connecting rod 1 is available double-screw bolt in actual installation.Rocker swing arm cylinder lever connecting rod 5 one ends, pull bar 5 other ends be arranged at oscillating bearing 6 corresponding holes in, by nut that itself and oscillating bearing 6 is fixing again, oscillating bearing 6 connects double-screw bolts 1.Because first eccentric disc, 2 surface areas are greater than second eccentric disc, 3 surface areas, so second eccentric disc 3 is installed on first eccentric disc 2 and the locating hole that its locating shoulder structure matches by the locating shoulder of its bottom, second eccentric disc 3 is provided with the connecting hole of internal thread, double-screw bolt 1 matches by the external screw thread of its lower end and the internal thread of connecting hole, the double-screw bolt 1 and second eccentric disc 3 are linked together, and the position of connecting hole is just in time corresponding with first eccentric disc, 2 centers, perhaps being positioned at second eccentric disc 3 is the center of circle, and first eccentric disc, 2 centers are on the circumference of place circle of radius to second eccentric disc, 3 centre distances.And first eccentric disc 2 is provided with and second eccentric disc, 3 central through hole position corresponding positioning hole, utilize locking member 4, pass the locating hole of second eccentric disc, 3 central through holes and first eccentric disc 2 as clamping screw, second eccentric disc 3 is fixed on first eccentric disc 2 by their corresponding mutually screw threads.Under the situation that clamping screw is not tightened, second eccentric disc 3 can arbitrarily rotate with first eccentric disc 2, so clamping screw is the relative position that is used for locking second eccentric disc 3 and first eccentric disc 2.And for the convenient eccentric throw of regulating accurately, be used to represent that with the index line on second eccentric disc 3 is corresponding the semi-circular scale-board 7 of eccentric throw numerical value is fixed on first eccentric disc, 2 surfaces by rivet, scale-board 7 be fixed on its on other first eccentric disc 2 of corresponding second eccentric disc of annular shape 3 circumference, and on the line of symmetry that is centered close to second eccentric disc 3 and first eccentric disc 2 of scale-board 7.In order to make motor effectively drive whole device, be provided with the cavity that connects machine shaft in the connector of first eccentric disc, 2 bottoms, when needing work, machine shaft inserts in the cavity can drive whole device work.And for better fixed electrical machinery rotating shaft, safer drive device work, thereby being used to insert the effective fixed electrical machinery rotating shaft of locking device links to each other with cavity by first eccentric disc, 2 bottom connector outer walls with the screwed hole 8 of first eccentric disc 2, after machine shaft inserts cavity, insert locking member from screwed hole 8, as lock-screw, just can the machine shaft and first eccentric disc 2 is effectively fixing.
When in real work, after calculating eccentric throw, when needing to regulate the eccentric disc eccentric throw, just the tight bolt of releasable lock, allow second eccentric disc 3 and first eccentric disc 2 relatively rotate, i.e. manual rotation second eccentric disc 3, with the index line on second eccentric disc 3 rotate to scale-board 7 on the groove of corresponding numerical value align, and then tighten clamping screw and start motor and get final product.For example: according to the processing technology needs, require the eccentric throw of eccentric disc to be set to 50mm, then need carry out following operation gets final product, suitably unclamp clamping screw, rotate second eccentric disc 3, make the groove of " 50 " this numerical value on index line and the scale-board 7 on second eccentric disc 3 align, lock clamping screw then and start motor and get final product.
Claims (10)
1, a kind of two eccentric discs of the adjustable rocker amplitude of oscillation, it is characterized in that: it comprises the connecting rod (1) that links to each other with the rocker swing arm, first eccentric disc (2), second eccentric disc (3), locking member (4), first eccentric disc (2) surface area is greater than second eccentric disc (3) surface area, second eccentric disc (3) be installed in corresponding first eccentric disc of its polycrystalline substance (2) on, second eccentric disc (3) is provided with connecting hole, connecting rod (1) is connected with second eccentric disc (3) by connecting hole, first eccentric disc (2) is provided with and second eccentric disc (3) lead to the hole site corresponding positioning hole, and locking member (4) is fixed on second eccentric disc (3) on first eccentric disc (2) by the locating hole of second eccentric disc (3) through hole and first eccentric disc (2).
2, two eccentric discs of the adjustable rocker amplitude of oscillation according to claim 1, it is characterized in that: the connecting hole position that second eccentric disc (3) go up to be provided with should be positioned at second eccentric disc (3) and be the center of circle, and first eccentric disc (2) center is on the circumference of place circle of radius to second eccentric disc (3) centre distance.
3, two eccentric discs of the adjustable rocker amplitude of oscillation according to claim 1 is characterized in that: second eccentric disc (3) through hole is a central through hole.
4, two eccentric discs of the adjustable rocker amplitude of oscillation according to claim 1 is characterized in that: the rocker swing arm is connected with oscillating bearing (6) on being connected connecting rod (1) by pull bar (5).
5, two eccentric discs of the adjustable rocker amplitude of oscillation according to claim 1 is characterized in that: be used to represent that with the index line on second eccentric disc (3) is corresponding the scale-board (7) of eccentric throw numerical value is fixed on first eccentric disc (2).
6, two eccentric discs of the adjustable rocker amplitude of oscillation according to claim 5 is characterized in that: described scale-board (7) is for semi-circular.
7, according to two eccentric discs of the claim 5 or the 6 described adjustable rocker amplitudes of oscillation, it is characterized in that: described scale-board (7) be fixed on its on other first eccentric disc (2) of corresponding second eccentric disc of annular shape (3) circumference.
8, two eccentric discs of the adjustable rocker amplitude of oscillation according to claim 5 is characterized in that: on the line of symmetry that is centered close to second eccentric disc (3) and first eccentric disc (2) of described scale-board (7).
9, according to two eccentric discs of claim 1,2,3,4, the 5 or 6 described adjustable rocker amplitudes of oscillation, it is characterized in that: first eccentric disc (2) bottom is provided with the cavity that connects machine shaft.
10, two eccentric discs of the adjustable rocker amplitude of oscillation according to claim 9 is characterized in that: link to each other with cavity by first eccentric disc (2) bottom outer wall with the screwed hole (8) of first eccentric disc (2) thereby be used to insert the effective fixed electrical machinery rotating shaft of locking device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200418821U CN201136116Y (en) | 2007-11-27 | 2007-11-27 | Double-eccentric disc with adjustable oscillation rack and oscillation amplitude |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200418821U CN201136116Y (en) | 2007-11-27 | 2007-11-27 | Double-eccentric disc with adjustable oscillation rack and oscillation amplitude |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201136116Y true CN201136116Y (en) | 2008-10-22 |
Family
ID=40036805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200418821U Expired - Fee Related CN201136116Y (en) | 2007-11-27 | 2007-11-27 | Double-eccentric disc with adjustable oscillation rack and oscillation amplitude |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201136116Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103538866A (en) * | 2013-10-22 | 2014-01-29 | 广西高峰矿业有限责任公司 | Eccentric device for plate feeder |
| CN103541128A (en) * | 2013-10-16 | 2014-01-29 | 青岛天一集团红旗纺织机械有限公司 | Warp loosening device of air-jet loom |
| CN105058224A (en) * | 2015-07-23 | 2015-11-18 | 福州恒光光电有限公司 | Multi-wafer grinding device and method |
-
2007
- 2007-11-27 CN CNU2007200418821U patent/CN201136116Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541128A (en) * | 2013-10-16 | 2014-01-29 | 青岛天一集团红旗纺织机械有限公司 | Warp loosening device of air-jet loom |
| CN103538866A (en) * | 2013-10-22 | 2014-01-29 | 广西高峰矿业有限责任公司 | Eccentric device for plate feeder |
| CN103538866B (en) * | 2013-10-22 | 2015-09-02 | 广西高峰矿业有限责任公司 | A kind of eccentric device for plate feeder |
| CN105058224A (en) * | 2015-07-23 | 2015-11-18 | 福州恒光光电有限公司 | Multi-wafer grinding device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103386620B (en) | Hub processing friction type secondary fine positioning mechanism | |
| CN102513890A (en) | Angular precision positioning device for crank of crankshaft | |
| CN201136116Y (en) | Double-eccentric disc with adjustable oscillation rack and oscillation amplitude | |
| CN100519072C (en) | Off-axis aspheric surface optical cold machining tool | |
| CN104084794B (en) | A kind of gear-box assembly tooling | |
| CN110076676A (en) | A kind of curved inner surface polishing machine and its working method | |
| CN106334962B (en) | A kind of turnery processing adjustable positioning device | |
| CN209175658U (en) | It is a kind of for connecting mechanical stud error-proofing tool | |
| CN207900669U (en) | A kind of power head centering angle modulation locked instrument | |
| CN102151912B (en) | Inner gear pair vibration grinder | |
| CN110328889A (en) | A kind of multiple spot crank connecting rod pressing machine sliding block installation adjusting device and method | |
| CN208528734U (en) | A kind of turnover device for crankshaft-link rod processing | |
| CN215980406U (en) | Eccentricity adjusting mechanism convenient for adjusting amplitude | |
| CN209223230U (en) | A kind of automobile engine cylinder-body special boring machine | |
| CN206234206U (en) | With spring as power source strength hold-down gear | |
| CN211042553U (en) | Torque testing equipment | |
| CN209424918U (en) | A kind of tight nut special plane | |
| CN201728578U (en) | Clamp for grinding special-shaped prism with spherical surface | |
| CN210099748U (en) | Grinding clamp for automobile crankshaft connecting rod journal | |
| CN210360581U (en) | Limiting device for crankshaft oil hole chamfering | |
| CN202985431U (en) | Positioning device used for railway hopper wagon rack assembling | |
| CN206754131U (en) | A kind of mechanical pressure eccentric drive shaft | |
| CN203471024U (en) | Swing milling head locking mechanism | |
| CN206123145U (en) | Camshaft end face drilling and screw thread drilling equipment | |
| CN201195252Y (en) | Cam locking and positioning device for numerical control machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081022 Termination date: 20111127 |