CN212071914U - Round hole self-centering digital display scribing instrument - Google Patents
Round hole self-centering digital display scribing instrument Download PDFInfo
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- CN212071914U CN212071914U CN202020580974.2U CN202020580974U CN212071914U CN 212071914 U CN212071914 U CN 212071914U CN 202020580974 U CN202020580974 U CN 202020580974U CN 212071914 U CN212071914 U CN 212071914U
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Abstract
The utility model discloses a round hole is from feeling relieved digital display scribing instrument has solved the lower technical problem of the marking off precision of current round hole from feeling relieved quick accurate graduation marking off chi and marking off efficiency. The utility model discloses a location assembly, centering assembly, marking off assembly and graduation assembly, location assembly include the bracing piece, and centering assembly is including angle centering piece and the pivot such as link to each other, bracing piece and the articulated cooperation of angle centering piece such as, and the pivot is connected with twist grip and rotates and be connected with the scale, be provided with digital display indexing means between pivot and the scale, the slip is provided with digital display vernier device on the scale, and digital display vernier device is connected with adjustable scriber. The utility model has the advantages of reasonable design, easy operation is swift, and the precision is high.
Description
Technical Field
The utility model relates to a technical field of pincers worker marking off chi ware especially indicates a round hole is from feeling relieved digital display marking off appearance.
Background
During the machining process of a workpiece (such as a Flange Flange), the center of a machined inner hole is often required to be positioned, and the position of a drilling point is determined on the end face of the workpiece by means of a bench marking gauge.
The invention discloses a round hole self-centering multipurpose marking ruler by retrieving the prior invention patent with application number of CN201510703974.0 and application number of 2015.10.27, which comprises a positioning assembly, a centering assembly, a marking assembly and an indexing assembly, wherein the positioning assembly comprises a supporting rod; the centering assembly comprises a turntable and a rotating shaft, and the rotating shaft is vertically arranged at a central hole of the turntable; the scribing assembly comprises a graduated scale and a scriber, and the scriber is slidably arranged on the graduated scale and is vertical to the graduated scale; the scale assembly comprises a scale disc and a circular scale indicating needle, the scale disc is arranged on the press cover, and the circular scale indicating needle is arranged on the scale and is vertical to the scale; a plurality of arc grooves are uniformly distributed at the upper end of the turntable, and the rear end of the supporting rod is arranged in the arc grooves and can slide in the arc grooves; one end of the graduated scale is arranged on the rotating shaft and can rotate around the rotating shaft.
The utility model discloses a round hole self-centering rapid and accurate indexing marking ruler, which is applied for a utility model patent with the application date of 2018.12.26 and the application number of CN201822200068.0, and comprises a positioning assembly, a centering assembly and a marking assembly, wherein the positioning assembly is symmetrically connected with the centering assembly, and the included angle between the positioning assemblies is 120 degrees; the centering assembly comprises a locking device, the locking device is sleeved on a central rotating shaft of the centering assembly, and the upper shell and the lower end cover are tightly pressed by screwing the locking device, so that a supporting table of the positioning assembly is reliably supported, and the center of a circular hole is more accurately positioned; the scribing assembly is connected with the central rotating shaft; the marking assembly comprises a supporting device, one end of the supporting device is connected with a graduated scale of the marking assembly, and the other end of the supporting device is in contact with the upper surface of the upper shell and slides on the surface of the upper shell along with the rotation of the graduated scale. Compared with other tools, the stability, the scribing precision, the positioning reliability and other performances of the tool are effectively improved.
However, the technical solution of the above patent still has disadvantages, and needs to rely on manual operation and manual reading, and the scribing precision and scribing efficiency still need to be improved. Therefore, no more ideal bench worker scribing ruler meets the machining requirement.
Disclosure of Invention
To not enough among the above-mentioned background art, the utility model provides a round hole is from feeling relieved digital display scribing instrument has solved the current round hole and has made the lower technical problem of the marking off precision of quick accurate graduation marking off chi of feeling relieved and marking off efficiency.
The technical scheme of the utility model is realized like this: the utility model provides a round hole is from feeling relieved digital display scribing instrument, includes location assembly, centering assembly, marking assembly and graduation assembly, and the location assembly includes the bracing piece, and centering assembly includes continuous equal angle centering piece and pivot, bracing piece and the articulated cooperation of equal angle centering piece, and the pivot is connected with twist grip and rotates and be connected with the scale, be provided with digital display indexing means between pivot and the scale, the slip is provided with digital display vernier device on the scale, and digital display vernier device is connected with adjustable scriber.
Further, the rotating shaft and the rotating handle are integrally arranged to be a handle rotating shaft.
Furthermore, the rotating shaft is connected with a supporting shaft, the rotating shaft is rotatably connected with the graduated scale through the supporting shaft, and the digital display indexing device is arranged between the upper end part of the supporting shaft and the graduated scale.
Furthermore, be provided with the mounting hole on the scale, be provided with rotatory sleeve in the mounting hole, the upper end of back shaft is fixed to be pegged graft in rotatory sleeve, and rotatory sleeve's outer wall and mounting hole normal running fit, digital display indexing means sets up between rotatory sleeve's upper end and scale.
Furthermore, the digital display indexing device comprises a shell fixedly connected with the graduated scale, an angle digital display system is arranged in the shell and connected with a capacitive grating angle sensor moving grating fixed in the shell, and a capacitive grating angle sensor static grating corresponding to the capacitive grating angle sensor moving grating is fixedly arranged on the rotary sleeve.
Furthermore, the shell is provided with adjusting holes corresponding to the rotating sleeve up and down, and a compression joint rotating sleeve locking knob is arranged in threaded fit with the adjusting holes.
Furthermore, the digital display vernier device comprises a sliding shell which is arranged on the graduated scale in a sliding mode, a displacement digital display system is arranged in the sliding shell, and the displacement digital display system is connected with a movable grating of a capacitive grating displacement sensor which is arranged corresponding to the surface of the graduated scale at intervals.
Further, the adjustable scriber is adjustably arranged below the sliding shell through a scriber locking nut.
Furthermore, the angle digital display system and the displacement digital display system are connected with a power-on key, a power-off key and a display screen.
Furthermore, the end part of the supporting rod is connected with a supporting table, a jackscrew hole is formed in the supporting rod, and the supporting table is fixedly connected to the end part of the supporting rod through a jackscrew matched with the jackscrew hole.
The utility model discloses following beneficial effect has: the utility model has the advantages of reasonable design, easy operation is swift, and the precision is high. The rotary handle and the rotary shaft are integrally designed, so that the centering precision of the round hole self-centering digital display scribing instrument is improved. The supporting rod is provided with the jackscrew hole, the supporting platform and the supporting rod are fastened through the jackscrew, the assembling precision of the supporting platform and the supporting rod is improved, and the positioning precision of the round hole self-centering digital display scribing instrument is improved. The round hole self-centering digital display scribing instrument adopts the digital display dividing device and the digital display vernier device, so that the scales and the angles are digitally displayed, and the scribing precision and the dividing precision of the round hole self-centering digital display scribing instrument are effectively improved. A locking knob is arranged on the circular hole self-centering digital display scribing instrument, so that the locking function of the digital display dividing device, the graduated scale and the supporting rod is realized.
Drawings
In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained by those skilled in the art without inventive work.
FIG. 1 is a schematic sectional view of the present invention;
fig. 2 is a schematic top view of the present invention;
fig. 3 is a schematic view of the structure of the present invention;
fig. 4 is a schematic structural view of the positioning assembly and the centering assembly of the present invention;
in the figure: 1. a support table; 2. carrying out top thread; 3. a support bar; 4. a guide shaft; 5. a pin; 6. an upper base plate; 7, a lower bottom plate; 8. a support screw; 9. a lower bearing; 10. a handle shaft; 11. an equal angle centering block; 12. a key; 13. an upper bearing; 14. locking the nut; 15. a support shaft; 16. a gasket; 17. rotating the sleeve; 18. fastening screws; 19. a static grid of a capacitive grid angle sensor; 20. a movable grid of the capacitive grid angle sensor; 21. a first liquid crystal display; 22. locking the knob; 23. a graduated scale; 24. a second liquid crystal display; 25. a moving grid of the capacitive grid displacement sensor; 26. locking the nut; 27. an adjustable scriber; 28. a pin hole; 29. a first power-on key; 30. a first power-off key; 31. a first clear key; 32. a second power-on key; 33. a second power-off key; 34. a second clear key; 35. locking the screw; 36. a jackscrew hole; 37. a digital display vernier device; 38. a digital display indexing device; 39. a housing.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
Embodiment 1, a round hole is from feeling relieved digital display scribing instrument, as shown in fig. 1, includes location assembly, centering assembly, marking assembly and graduation assembly, and the location assembly includes bracing piece 3, and the outer tip of bracing piece 3 is connected with columniform supporting bench 1. The supporting rod 3 is provided with a jackscrew hole 36, the supporting platform 1 is fixedly connected to the end part of the supporting rod 3 through a jackscrew 2 matched with the jackscrew hole 36, and the arc surface of the supporting platform 1 is in contact with the wall of the inner hole of the workpiece to be supported and positioned.
As shown in fig. 1 and 4, the centering assembly includes an equal-angle centering block 11, an inner end portion of the support rod 3 is hinged to the equal-angle centering block 11 through a pin 5 penetrating through a pin hole 28, a lower bottom plate 7 is arranged at a lower end gap of the equal-angle centering block 11, an upper bottom plate 6 is arranged at an upper end gap of the equal-angle centering block 11, the upper bottom plate 6 and the lower bottom plate 7 form a cavity, and the equal-angle centering block 11 can rotate in the cavity. A guide shaft 4 is connected with the support rod 3, and two ends of the guide shaft 4 are respectively in sliding fit with an upper bottom plate 6 and a lower bottom plate 7. When the equal-angle centering block 11 rotates, the pin 5 drives the support rod 3 to synchronously stretch and retract under the guidance of the guide shaft 4, and the circular hole is rapidly self-centered.
As shown in fig. 1, a rotating shaft is fixedly arranged in the axial hole of the equal-angle centering block 11 through a key 12, and the rotating shaft is connected with a rotating handle and a graduated scale 23. An upper bearing 13 is arranged between the upper end of the rotating shaft and the upper bottom plate 6, and a lower bearing 9 is arranged between the lower end of the rotating shaft and the lower bottom plate 7. When the rotating shaft rotates relative to the upper bottom plate 6 and the lower bottom plate 7, the equal-angle centering block 11 can be driven to rotate, and then the equal-angle centering block 11 can drive the supporting rod 3 to extend or retract. Through the rotating handle, the rotating shaft can be conveniently driven to rotate. The rotating shaft and the rotating handle are integrally arranged to form the handle rotating shaft 10, the centering precision of the round hole self-centering digital display scribing instrument can be effectively improved, and the bearings are arranged on the upper bottom plate and the lower bottom plate, so that the centering precision of the round hole self-centering digital display scribing instrument is further improved. The lower extreme of pivot is provided with supporting screw 8, can fasten the lower tip of pivot, further guarantees rotatory stability.
The periphery of pivot is turned there is the external screw thread, is provided with lock nut 14 with the external screw thread cooperation, and lock nut 14 forms the screw thread with the epaxial screw thread of pivot and rotates. The locking nut 14 is rotated to compress the upper base plate 6, so that the gap between the equal-angle centering block 11 and the upper base plate 6 and the lower base plate 7 is eliminated, and the 3 support rods 3 are locked.
As shown in fig. 1, a supporting shaft 15 is screwed to the upper end of the rotating shaft, and the rotating shaft is rotatably connected to the scale 23 through the supporting shaft 15. The graduated scale 23 is provided with a mounting hole, a rotary sleeve 17 is arranged in the mounting hole, the upper end of the support shaft 15 is fixedly inserted in the rotary sleeve 17, and fastening is realized through a fixing screw 18 and a gasket 16. The outer wall of the rotating sleeve 17 is in running fit with the mounting hole. That is, the scale 23 can be rotatably engaged with respect to the rotary sleeve 17, and the rotary sleeve 17 is coaxially and fixedly connected with the support shaft 15.
A digital display indexing device 38 is arranged between the graduated scale 23 and the rotary sleeve 17. The digital display indexing device 38 comprises a shell 39 fixedly connected with the graduated scale 23, and an angle digital display system is arranged in the shell 39. The angle digital display system is connected with a capacitive grating angle sensor moving grating 20 fixed in the shell 39, and a capacitive grating angle sensor static grating 19 corresponding to the capacitive grating angle sensor moving grating 20 is fixedly arranged on the rotating sleeve 17. When the graduated scale 23 drives the shell 39 to rotate, the electric signal change generated between the capacitance grid angle sensor movable grid 20 and the capacitance grid angle sensor static grid 19 in the shell 39 is transmitted to an angle processing chip of the angle digital display system, a first liquid crystal display screen connected with the angle processing chip displays the rotation angle of the graduated scale 23, and the angle precision is 0.1 degree.
The graduated scale 23 is provided with a digital display vernier device 37 in a sliding manner, and the digital display vernier device 37 is connected with the adjustable scriber 27. The digital display vernier device 37 comprises a sliding shell which is arranged on the graduated scale 23 in a sliding mode, a displacement digital display system is arranged in the sliding shell, and the displacement digital display system is connected with a movable grating 25 of a capacitive grating displacement sensor, wherein the movable grating corresponds to the surface of the graduated scale 23 in a spaced mode. When the sliding housing moves along the scale 23, the movable grating 25 of the capacitive-grating displacement sensor is displaced relative to the surface of the scale 23, and the surface of the scale 23 is equivalent to a static grating. The electric signal change generated between the static grid and the moving grid 25 of the capacitive grid displacement sensor is transmitted to a displacement processing chip of a displacement digital display system, a first liquid crystal display screen connected with the displacement processing chip displays the displacement size, the angle precision is 0.1 degree, and the displacement scale precision is 0.01 mm. Accurate centering and accurate indexing scribing can be achieved by the adjustable scriber 27.
In embodiment 2, as shown in fig. 2 and 3, the housing 39 is provided with adjusting holes corresponding to the upper and lower parts of the rotating sleeve 17, and the locking knob 22 of the rotating sleeve 17 is arranged in threaded fit with the adjusting holes. After the scale 23 has reached the desired index, the scale 23 can be locked by the locking knob 22 and then accurately scribed by the adjustable scribe pin 27.
Further, the adjustable scriber 27 is adjustably arranged below the sliding shell through a scriber locking nut 26, and the adjustable scriber 27 is fastened through the scriber locking nut 26 after being adjusted in position.
The other structure of this embodiment is the same as embodiment 1.
In embodiment 3, as shown in fig. 2, the angle digital display system is connected with a first power-on key 29, a first power-off key 30, a first clear key 31 and a first liquid crystal display 21. The displacement digital display system is connected with a second on-key 32, a second off-key 33, a second clear key 34 and a second liquid crystal display 24.
The other structure of this embodiment is the same as embodiment 1 or 2.
Embodiment 4, a round hole is from feeling relieved digital display marking instrument, one side of slip casing is provided with locking screw 35, and the interior tip of locking screw 35 and scale 23 crimping cooperation.
The other structure of this embodiment is the same as embodiment 1, 2 or 3.
The present invention is not exhaustive and is well known to those skilled in the art.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a round hole is from feeling relieved digital display scribing instrument, includes location assembly, centering assembly, rule assembly and graduation assembly, and the location assembly includes bracing piece (3), and centering assembly is including continuous angle piece (11) and the pivot of centering, bracing piece (3) with angle piece (11) articulated cooperation of centering, the pivot is connected with twist grip and rotates and be connected with scale (23), its characterized in that: a digital display dividing device (38) is arranged between the rotating shaft and the graduated scale (23), a digital display vernier device (37) is arranged on the graduated scale (23) in a sliding mode, and the digital display vernier device (37) is connected with an adjustable scriber (27).
2. The round hole self-centering digital display scribing instrument according to claim 1, wherein: the rotating shaft and the rotating handle are integrally arranged to be a handle rotating shaft (10).
3. The round hole self-centering digital display scribing instrument according to claim 1 or 2, wherein: the rotary shaft is connected with a supporting shaft (15), the rotary shaft is rotatably connected with the graduated scale (23) through the supporting shaft (15), and the digital display indexing device (38) is arranged between the upper end portion of the supporting shaft (15) and the graduated scale (23).
4. The round hole self-centering digital display scribing instrument according to claim 3, wherein: the scale (23) is provided with a mounting hole, a rotary sleeve (17) is arranged in the mounting hole, the upper end of the support shaft (15) is fixedly inserted in the rotary sleeve (17), the outer wall of the rotary sleeve (17) is in running fit with the mounting hole, and the digital display indexing device (38) is arranged between the upper end of the rotary sleeve (17) and the scale (23).
5. The round hole self-centering digital display scribing instrument according to claim 4, wherein: the digital display indexing device (38) comprises a shell (39) fixedly connected with the graduated scale (23), an angle digital display system is arranged in the shell (39), the angle digital display system is connected with a capacitive grating angle sensor moving grating (20) fixed in the shell (39), and a capacitive grating angle sensor static grating (19) corresponding to the capacitive grating angle sensor moving grating (20) is fixedly arranged on the rotary sleeve (17).
6. The round hole self-centering digital display scribing instrument according to claim 5, wherein: and the shell (39) is provided with adjusting holes which vertically correspond to the rotating sleeve (17), and a compression joint rotating sleeve (17) locking knob (22) is arranged in threaded fit with the adjusting holes.
7. The round hole self-centering digital display scribing instrument according to claim 5 or 6, wherein: the digital display vernier device (37) comprises a sliding shell which is arranged on the graduated scale (23) in a sliding mode, a displacement digital display system is arranged in the sliding shell, and the displacement digital display system is connected with a movable grating (25) of a grating displacement sensor, wherein the movable grating corresponds to the surface of the graduated scale (23) in a spaced mode.
8. The round hole self-centering digital display scribing instrument according to claim 7, wherein: the adjustable scriber (27) is adjustably arranged below the sliding shell through a scriber locking nut (26).
9. The round hole self-centering digital display scribing instrument according to claim 8, wherein: the angle digital display system and the displacement digital display system are connected with a power-on key, a power-off key and a display screen.
10. The round hole self-centering digital display scribing instrument according to any one of claims 1 to 2, 4 to 6 and 8 to 9, wherein: the end portion of the supporting rod (3) is connected with a supporting table (1), a jackscrew hole (36) is formed in the supporting rod (3), and the supporting table (1) is fixedly connected to the end portion of the supporting rod (3) through a jackscrew (2) matched with the jackscrew hole (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020580974.2U CN212071914U (en) | 2020-04-18 | 2020-04-18 | Round hole self-centering digital display scribing instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020580974.2U CN212071914U (en) | 2020-04-18 | 2020-04-18 | Round hole self-centering digital display scribing instrument |
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| Publication Number | Publication Date |
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| CN212071914U true CN212071914U (en) | 2020-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020580974.2U Active CN212071914U (en) | 2020-04-18 | 2020-04-18 | Round hole self-centering digital display scribing instrument |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112659085A (en) * | 2020-12-07 | 2021-04-16 | 沪东中华造船(集团)有限公司 | Accurate frock of ruling during reaming of ship structure |
-
2020
- 2020-04-18 CN CN202020580974.2U patent/CN212071914U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112659085A (en) * | 2020-12-07 | 2021-04-16 | 沪东中华造船(集团)有限公司 | Accurate frock of ruling during reaming of ship structure |
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