CN204366623U - A kind of index dial - Google Patents
A kind of index dial Download PDFInfo
- Publication number
- CN204366623U CN204366623U CN201420863798.8U CN201420863798U CN204366623U CN 204366623 U CN204366623 U CN 204366623U CN 201420863798 U CN201420863798 U CN 201420863798U CN 204366623 U CN204366623 U CN 204366623U
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- rotating shaft
- scheduling
- bar
- tooth bar
- installing rack
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Abstract
The utility model relates to a kind of index dial that can regulate rotational angle, this index dial includes base and installing rack, it is characterized in that: base is provided with rotationally and flies a gear, fly a gear is provided with scale flywheel, fly a pinion rotation and can order about scale flywheel one-directional rotation, scale flywheel is fixedly connected with rotating shaft, and rotating shaft extenal fixation is provided with cover for seat, cover for seat is provided with the lock assembly that can pin scale flywheel; Installing rack side is provided with calibration cylinder, the expansion link of calibration cylinder is fixedly connected with tooth bar, tooth bar with fly a gears meshing, tooth bar front end is provided with calibration travel switch, the return-stroke switch of not movement is installed in the position near tooth bar rear end, calibration travel switch and return-stroke switch and controller electrically connect, and described calibration cylinder is by controller control action; Installing rack opposite side is provided with schedule component, schedule component includes the scheduling bar of dispatching board and multiple different length, multiple scheduling bar is circumferentially installed on dispatching board, and dispatching board is rotatably installed on installing rack, and a scheduling bar in multiple scheduling bar meets setting mutually with tooth bar.Only by rotating scheduling knob, just need can change the rotational angle of rotating shaft easily, thus make that the anglec of rotation of the workpiece be positioned on rotating shaft is corresponding to be changed.
Description
Technical field
The utility model relates to a kind of index dial, is specifically related to a kind of indexing means being applied to controlled working product rotational angle on lathe.
Background technology
On some components of machine, circle distribution equidistant screw, these screws are made the intermittent rotary of special angle just with component of machine by index dial, then by bit drills out.At present, index dial general on market can only fix the intermittent rotary of angle, and to the product that processing screw hole calibration is different, this index dial is just inapplicable.
Summary of the invention
In view of the deficiency that prior art exists, the utility model innovation provides a kind of index dial that can regulate rotational angle, this index dial includes base and installing rack, it is characterized in that: described base is provided with rotationally and flies a gear, a gear is provided with scale flywheel to described flying, a described pinion rotation that flies can order about scale flywheel one-directional rotation, described scale flywheel is fixedly connected with rotating shaft, described rotating shaft extenal fixation is provided with cover for seat, described cover for seat is provided with the lock assembly that can pin scale flywheel; Described installing rack side is provided with calibration cylinder, the expansion link of described calibration cylinder is fixedly connected with tooth bar, described tooth bar with fly a gears meshing, described tooth bar front end is provided with calibration travel switch, the return-stroke switch of not movement is installed in the position near tooth bar rear end, described calibration travel switch and return-stroke switch and controller electrically connect, and described calibration cylinder is by controller control action; Described installing rack opposite side is provided with schedule component, described schedule component includes the scheduling bar of dispatching board and multiple different length, described multiple scheduling bar is circumferentially installed on dispatching board, described dispatching board is rotatably installed on installing rack, a scheduling bar in described multiple scheduling bar meets setting mutually with tooth bar, and the calibration travel switch of described tooth bar front end can act on the scheduling bar on opposite.
In described scale flywheel, there is handle ratchet wheel, be provided with transmission in described handle ratchet wheel and fly head, described transmission flies head is hinged with ratchet, and described ratchet and transmission fly to be connected with little spring between head surface, described ratchet acts on the internal tooth of handle ratchet wheel, and described transmission flies head and flies a gear and be fixedly connected with.
Lock assembly is lock dog cylinder, and the expansion link of described lock dog cylinder can act on scale flywheel, and described lock dog cylinder shares a source of the gas by three-way pipe and calibration cylinder.
Described cover for seat is provided with Buffer Unit, and described Buffer Unit includes housing, hoodle and spring, and described housing is installed in cover for seat, described spring is located in housing, described spring inner end is fixed, and outer end acts on hoodle, and described hoodle acts on scale flywheel.
Described rotating shaft fixed sleeves is provided with ring set, and described ring set outer surface has projection, described cover for seat is provided with circumference travel switch, and described projection can act on circumference travel switch, and described circumference travel switch and controller electrically connect.
Described rotating shaft top has mounting disc, and described mounting disc is covered in cover for seat top, and described cover for seat inside has flange, on described flange, is arranged with upper bearing (metal) between cover for seat and rotating shaft, and described mounting disc is pressed on upper bearing (metal) upper surface; Below described flange, be provided with lower bearing between cover for seat and rotating shaft, on described scale flywheel, bolt is connected with bolt, and described bolt up withstands lower bearing.
Described installing rack is also provided with scheduling positioning component, described scheduling positioning component includes extension spring and location bearing, described location bearing is installed on location-plate inner end, described location-plate outer end is articulated with on installing rack, described extension spring one end is connected on location-plate, the other end is connected on installing rack, and described extension spring hauls location-plate makes location bearing be positioned between two scheduling bars.
Described dispatching board is movably installed on installing rack by rotating shaft, and described rotating shaft outer end is connected with scheduling knob.
According to a kind of index dial that the utility model provides, only by rotating scheduling knob, just need can change the rotational angle of rotating shaft easily, thus make that the anglec of rotation of the workpiece be positioned on rotating shaft is corresponding to be changed.This index dial is the rotational angle being regulated rotating shaft by the shift motion of change tooth bar, therefore, as long as the scheduling bar arranging multiple decision tooth bar shift motion different in size just can obtain the adjustable angle of equal number.Comparatively prior art, the technical solution of the utility model has outstanding substantive distinguishing features and progress significantly.
Accompanying drawing explanation
Fig. 1 is stereoscopic figure of the present utility model;
Fig. 2 is the sectional view along A-A direction in Fig. 1;
Fig. 3 is the upward view that the utility model takes away base;
Fig. 4 is explosive view of the present utility model;
Fig. 5 is the annexation figure that the utility model scale flywheel and transmission fly head;
Fig. 6 is that the utility model transmission flies head and the location diagram flying a gear;
Fig. 7 is that the utility model transmission flies head, flies the location diagram of a gear and scale flywheel three;
Fig. 8 is the sectional view of the utility model Buffer Unit;
Fig. 9 is the structural representation of the utility model dispatch card hyte part.
Detailed description of the invention
Twisting scheduling knob 21 to number at certain at a moment, the scheduling bar 62 of a certain length of schedule component 6 is made to be in ad-hoc location, calibration cylinder 13 action, band carry-over bar 15 moves forward, until scheduling bar 62 encountered by the calibration travel switch 17 of front end, calibration cylinder 13 is gone back with tooth bar 15 again, waits for next action.Tooth bar 15 moves forward once, rotates an angle with rotating shaft 1.
Schedule component 6 is installed on installing rack 19, as Figure 1-4, this installing rack 19 includes left and right support 190 and front and back installation panel 191, schedule component 6 is just installed on front installation panel 191, this schedule component 6 includes dispatching board 61 and multiple scheduling bar 62 different in size, these scheduling bars 62 are circumferentially fixedly mounted on dispatching board 61 equably, this dispatching board 61 is rotatably installed on front installation panel 191 by rotating shaft 63, just can rotate dispatching board 61 by rotating shaft 63, thus make one of them scheduling bar 62 align rack 15.Conveniently manually dispatch, the utility model is provided with scheduling knob 21 in the outer end of rotating shaft 63, this scheduling knob 21 is carved with angle degree, the scheduling bar 62 of the corresponding different length of these different angle degree difference, the scheduling bar 62 that little number of degrees correspondence is long, the scheduling bar 62 that the large number of degrees are corresponding short; The stroke that long scheduling bar 62 can make tooth bar 15 advance shortens, and the angle correspondingly making rotating shaft 1 rotate diminishes, and the stroke that large scheduling bar 62 can make tooth bar 15 advance is elongated, and the angle correspondingly making rotating shaft 1 rotate becomes large.Therefore, as long as rotate scheduling knob 21, just can change the rotational angle of rotating shaft 1 easily, thus make the workpiece on rotating shaft 1 obtain the corresponding anglec of rotation.
Tooth bar 15 is driven by calibration cylinder 13, calibration cylinder 13 is installed on the rear installation panel 192 of installing rack 19, tooth bar 15 is fixedly connected on the expansion link of calibration cylinder 13, as shown in figure 3 or 4, tooth bar 15 front end is provided with calibration travel switch 17, this calibration travel switch 17 can be simple travel switch, also can be touch-type inductive switch, these two kinds all switch can implement; When calibration cylinder 13 moves forward with tooth bar 15, calibration travel switch 17 just can meet head on be positioned at its right opposite that root scheduling bar 62, calibration travel switch 17 just sends signal to controller, and controller just controls calibration cylinder 13 with the past retraction of tooth bar 15, waits for action next time.Tooth bar 15 often moves forward once, just rotates an angle with rotating shaft 1.When tooth bar 15 is back stepped back, also need to control it and stop at certain position, and continue to make it move forward, for this reason, the utility model is also on support 190, specifically in the position near tooth bar 15 rear end, return-stroke switch 14 is installed, this return-stroke switch 14 also can be simple travel switch or inductive switch, as long as when return-stroke switch 14 detects tooth bar 15 back to a certain desired location, return-stroke switch 14 just sends controller to signal, and controller controls again calibration cylinder 13 and is with carry-over bar to move forward.By controlling the moving around of tooth bar 15, rotating shaft 1 just can be made with identical angle and step along a direction intermittent rotary.
Tooth bar 15 is not that direct driven rotary axle 1 rotates, but first drive and fly a gear 12 and rotate, this flies a gear 12 and is located on base 16 rotationally, and engage with tooth bar 15, and flying a gear 12 is provided with scale flywheel 11, rotating shaft 1 is just fixedly mounted on this scale flywheel 11, fly a gear 12 by tooth bar 15 drive to rotate, flying a gear 12 drives again scale flywheel 11 to rotate, rotating shaft 1 is finally made to rotate, workpiece is just fixedly mounted on rotating shaft 1, and rotating shaft rotates how many degree, and workpiece just rotates how many degree.But it should be noted that, rotating shaft 1 can only rotate towards a direction, and when tooth bar 15 moves forward, fly a gear 12 and rotate towards a direction, scale flywheel 11 and then rotates towards same direction; And when tooth bar 15 moves backward, fly a gear 12 thereupon towards rotating backward, now then can not make scale flywheel 11 also and then towards rotating backward, if because scale flywheel 11 rotates backward, rotating shaft 1 also will rotate backward, this does not meet processing request, so fly a gear 12 forward or reverse, can only order about scale flywheel 11 one-directional rotation.In order to realize this function, the utility model is provided with handle ratchet wheel 110 in scale flywheel 11, as illustrated in figs. 5-7, be provided with in handle ratchet wheel 110 and fly transmission that a gear 12 is threaded with below and fly 10, this transmission flies 10 outer surface and is hinged with ratchet 101, this ratchet 101 and transmission fly to be connected with little spring 102 between 10 outer surface, little spring 102 orders about ratchet 101 and acts on the internal tooth of handle ratchet wheel 10, this structure is just as the ratchet structure principle on bicycle, (direction shown in a Fig. 5) when gear 12 rotates clockwise is flown when tooth bar 15 drives, ratchet 101 meetings do bounce motion along the inclined-plane of handle ratchet wheel 110 internal tooth, can not act on effectively on handle ratchet wheel 110, and when tooth bar 15 drive fly a gear 12 rotate counterclockwise time, 101, ratchet can act on the internal tooth of handle ratchet wheel 110, thus orders about handle ratchet wheel 110 and scale flywheel 11 rotates.By this structure, just can reach and fly the object that a gear 12 drive scale flywheel 11 does one-directional rotation.
When tooth bar 15 drives scale flywheel 11 to rotate, rotating shaft 1 also and then rotates, until scheduling bar 62 encountered by the calibration travel switch 17 being positioned at tooth bar 15 front end, from at the moment, original place is retracted to tooth bar 15, do not have any masterpiece for scale flywheel 11, therefore, under the interference not having external resistance, scale flywheel 11 can move in a circle along with inertia, but the function of index dial is stopped after inherently wanting rotating shaft 1 to turn over certain angle, processing machine is allowed to process the workpiece on rotating shaft 1, therefore, calibration travel switch 17 encounter scheduling bar 62 that carve, scale flywheel 11 will be allowed to stop.In order to reach this purpose, the utility model is provided with block set 4 on base 16, and block set 4 outer surface is provided with lock assembly, and this lock assembly is lock dog cylinder 5, and the expansion link of this lock dog cylinder 5 acts on the sawtooth of scale flywheel 11 through block set 4 wall.Certainly, in order to allow lock dog cylinder 5 energy action at once after scheduling bar 62 encountered by calibration travel switch 17, this lock dog cylinder 5 can share a source of the gas by three-way pipe and calibration cylinder 13: when the expansion link of calibration cylinder 13 is return without gas, source of the gas then immediately forwards to as lock dog cylinder 5 air feed, the expansion link of lock dog cylinder 5 moves forward, thus pins scale flywheel 11.
By lock dog cylinder 5, generally scale flywheel 11 can be pinned, allow it stop immediately from rotary state.But, some workpiece heavier-weight, rotator inertia is larger, also can stop immediately in this case in order to ensure scale flywheel 11, the utility model is also provided with Buffer Unit 8 in block set 4, as shown in Figure 8, this Buffer Unit 8 includes housing 80, hoodle 82 and spring 81, housing 80 is installed in cover for seat 4, spring 81 is located in housing 80, spring 81 inner end is fixed, outer end acts on hoodle 81, by the elastic force of spring 81, hoodle 82 just acts on scale flywheel 11, because hoodle 82 gives the resistance of scale flywheel 11 rotation, the inertia that scale flywheel 11 rotates is just much little, scale flywheel 11 just can pin by such lock dog cylinder 5 easily, thus guarantee that no matter rotating shaft 1 is in the face of great workpiece further, can stop immediately after turning over an angle.
As described above, block set 4, except for installing except lock dog cylinder 5, also has the effect protected gear-driven assembly and keep rotating shaft 1 stable.Wherein for keep rotating shaft 1 stable specifically in block set 4, rotating shaft 1 peripheral hardware is set up lower bearing 2,9, as shown in Figure 2, upper bearing (metal) 2 is stuck on the flange of cover for seat 4 inside, be press against (mounting disc 100 is exactly for placing workpiece) above it by the mounting disc 100 on rotating shaft 1; And the bolt 18 that lower bearing 9 is threaded connection on scale flywheel 11 is stuck in below flange, assisting by metal (upper 2,9, rotating shaft 1 rotates more steady in cover for seat 4, and there will not be the phenomenons such as shake, skew, the quality of the product processed thus is also better.
In rotation after one week, general workpiece machines, in order to detect that rotating shaft rotates a circle, the utility model is also provided with ring set 3 at rotating shaft 1 fixed sleeves, this ring set 3 outer surface has projection, and circumference travel switch 31 is installed in cover for seat 4, this circumference travel switch 31 also electrically connects with controller; When rotating shaft 1 rotates a circle, it is last that projection just can act on circumference travel switch 31, when projection acts on circumference travel switch 31, circumference travel switch 31 sends signal to controller at once, controller just controls calibration cylinder 13 and quits work, meanwhile, lock dog cylinder 5 pins scale flywheel 11, completes the calibration work of a circumference.
It is worth mentioning that in addition, tooth bar 15 touches to scheduling bar with calibration travel switch 17, and the position of scheduling bar 62 may be made to offset, if do not fixed scheduling bar 62, so the stroke of tooth bar 15 may go wrong.For this reason, the utility model is also provided with scheduling positioning component 7 on installing rack 19, as shown in Figure 9, this scheduling positioning component 7 includes extension spring 73 and location bearing 72, this location bearing 72 is installed on location-plate 71 inner end, and location-plate 71 outer end is articulated with on the front installation panel 191 of installing rack 19, extension spring 73 one end is connected on the location-plate 71 of location bearing 72 position, the other end is connected on the support 190 of installing rack 19, and this extension spring 73 hauls location-plate 71 makes location bearing 72 part be pressed between two scheduling bars 62.By this structure cleverly, scheduling bar 62 can be made to locate well, thus solve the offset problem produced when scheduling bar 62 collides with calibration travel switch 17, ensure that the stability of tooth bar 15 stroke.
Claims (8)
1. an index dial, include base (16) and installing rack (19), it is characterized in that: described base (16) is provided with rotationally and flies a gear (12), a gear (12) is provided with scale flywheel (11) to described flying, described fly a gear (12) rotate can order about scale flywheel (11) one-directional rotation, described scale flywheel (11) is fixedly connected with rotating shaft (1), described rotating shaft (1) extenal fixation is provided with cover for seat (4), and (4) are provided with the lock assembly that can pin scale flywheel (11) to described cover for seat; Described installing rack (19) side is provided with calibration cylinder (13), the expansion link of described calibration cylinder (13) is fixedly connected with tooth bar (15), described tooth bar (15) with fly a gear (12) and engage, described tooth bar (15) front end is provided with calibration travel switch (17), the return-stroke switch (14) of not movement is installed in the position near tooth bar (15) rear end, described calibration travel switch (17) electrically connects with return-stroke switch (14) and controller, and described calibration cylinder (13) is by controller control action; Described installing rack (19) opposite side is provided with schedule component (6), described schedule component (6) includes the scheduling bar (62) of dispatching board (61) and multiple different length, described multiple scheduling bar (62) is circumferentially installed on dispatching board (61), described dispatching board (61) is rotatably installed on installing rack (19), a scheduling bar (62) in described multiple scheduling bar (62) meets setting mutually with tooth bar (15), and the calibration travel switch (17) of described tooth bar (15) front end can act on the scheduling bar (62) on opposite.
2. index dial according to claim 1, it is characterized in that: in described scale flywheel (11), there is handle ratchet wheel (110), be provided with transmission in described handle ratchet wheel (110) and fly head (10), described transmission flies head (10) is hinged with ratchet (101), described ratchet (101) and transmission fly to be connected with little spring (102) between head (10) surface, described ratchet (101) acts on the internal tooth of handle ratchet wheel (110), and described transmission flies head (10) and flies a gear (12) and be fixedly connected with.
3. index dial according to claim 1, it is characterized in that: lock assembly is lock dog cylinder (5), the expansion link of described lock dog cylinder (5) can act on scale flywheel (11), and described lock dog cylinder (5) shares a source of the gas by three-way pipe and calibration cylinder (13).
4. index dial according to claim 1, it is characterized in that: described cover for seat (4) is provided with Buffer Unit (8), described Buffer Unit (8) includes housing (80), hoodle (82) and spring (81), described housing (80) is installed in cover for seat (4), described spring (81) is located in housing (80), described spring (81) inner end is fixed, and outer end acts on hoodle (82), and described hoodle (82) acts on scale flywheel (11).
5. index dial according to claim 1, it is characterized in that: described rotating shaft (1) fixed sleeves is provided with ring set (3), described ring set (3) outer surface has projection, described cover for seat (4) is provided with circumference travel switch (31), described projection can act on circumference travel switch (31), and described circumference travel switch (31) and controller electrically connect.
6. index dial according to claim 1, it is characterized in that: described rotating shaft (1) top has mounting disc (100), described mounting disc (100) is covered in cover for seat (4) top, described cover for seat (4) inside has flange, be arranged with upper bearing (metal) (2) on described flange, between cover for seat (4) and rotating shaft (1), described mounting disc (100) is pressed on upper bearing (metal) (2) upper surface; Be provided with lower bearing (2) below described flange, between cover for seat (4) and rotating shaft (1), the upper bolt of described scale flywheel (11) is connected with bolt (18), and described bolt (18) up withstands lower bearing (2).
7. index dial according to claim 1, it is characterized in that: described installing rack (19) is also provided with scheduling positioning component (7), described scheduling positioning component (7) includes extension spring (73) and location bearing (72), described location bearing (72) is installed on location-plate (71) inner end, described location-plate (71) outer end is articulated with on installing rack (19), described extension spring (73) one end is connected on location-plate (71), the other end is connected on installing rack (19), described extension spring (73) hauls location-plate (71) makes location bearing (72) be positioned between two scheduling bars (62).
8. index dial according to claim 7, is characterized in that: described dispatching board (61) is movably installed on installing rack (19) by rotating shaft (63), and described rotating shaft (63) outer end is connected with scheduling knob (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420863798.8U CN204366623U (en) | 2014-12-31 | 2014-12-31 | A kind of index dial |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420863798.8U CN204366623U (en) | 2014-12-31 | 2014-12-31 | A kind of index dial |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204366623U true CN204366623U (en) | 2015-06-03 |
Family
ID=53322871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420863798.8U Expired - Fee Related CN204366623U (en) | 2014-12-31 | 2014-12-31 | A kind of index dial |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204366623U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104526459A (en) * | 2014-12-31 | 2015-04-22 | 吴方平 | Index plate |
| CN106402312A (en) * | 2016-06-17 | 2017-02-15 | 桐乡市龙欣印染有限公司 | Drive device of printing worktable |
| CN109382701A (en) * | 2017-08-08 | 2019-02-26 | 上海瑞麒美贸易有限公司 | Dynamical type rotating division collet |
| CN113681351A (en) * | 2021-09-03 | 2021-11-23 | 山东康润机械制造有限公司 | Part peripheral surface machining device |
-
2014
- 2014-12-31 CN CN201420863798.8U patent/CN204366623U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104526459A (en) * | 2014-12-31 | 2015-04-22 | 吴方平 | Index plate |
| CN104526459B (en) * | 2014-12-31 | 2017-02-22 | 吴方平 | Index plate |
| CN106402312A (en) * | 2016-06-17 | 2017-02-15 | 桐乡市龙欣印染有限公司 | Drive device of printing worktable |
| CN109382701A (en) * | 2017-08-08 | 2019-02-26 | 上海瑞麒美贸易有限公司 | Dynamical type rotating division collet |
| CN113681351A (en) * | 2021-09-03 | 2021-11-23 | 山东康润机械制造有限公司 | Part peripheral surface machining device |
| CN113681351B (en) * | 2021-09-03 | 2024-02-09 | 山东康润机械制造有限公司 | Part peripheral surface processing device |
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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: 20150603 Termination date: 20161231 |
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| CF01 | Termination of patent right due to non-payment of annual fee |