CN115042106A - Positioning and clamping mechanism with double scales and capable of accurately adjusting set length - Google Patents
Positioning and clamping mechanism with double scales and capable of accurately adjusting set length Download PDFInfo
- Publication number
- CN115042106A CN115042106A CN202210682987.4A CN202210682987A CN115042106A CN 115042106 A CN115042106 A CN 115042106A CN 202210682987 A CN202210682987 A CN 202210682987A CN 115042106 A CN115042106 A CN 115042106A
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- China
- Prior art keywords
- top plate
- ruler
- screw
- cutter head
- guide hole
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- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The invention discloses a positioning and clamping mechanism with double scales and capable of accurately adjusting set length, which comprises a fixed ruler (1) and a movable ruler (2), wherein the fixed ruler (1) comprises an L-shaped upper top plate (3), a first rear top plate (4), a second rear top plate (5), a lower top plate (6), a rotating shaft center positioning fixed column (7) and a screw length adjusting fixed inserting block (8), and the movable ruler (2) comprises a length adjusting screw (9), an accurate fine adjusting nut (10), a movable ruler frame (11), a movable clamping stud (12) and a double ruler fixing screw (13). The rotary shaft center positioning fixing column (7) and the lower end of the movable clamping stud (12) are provided with a ruler end triangular table type tool bit (18) and a vernier end triangular table type tool bit (19) which are matched with the tail end frustum type screw (21) for use. The invention has the beneficial effects that: the length can be adjusted steplessly by combining with any measuring ruler, and the crank length adjusting device is particularly suitable for crank length adjustment in a crank connecting rod mechanism.
Description
Technical Field
The invention belongs to an auxiliary clamping fixing tool for mechanism installation, debugging and fixing, and particularly relates to a positioning and clamping mechanism with double scales and capable of accurately adjusting a set length.
Background
In the process of researching the motion rule of the crank connecting rod mechanism, the crank length is fixedly adjusted through a screw and a nut, but the distance is difficult to adjust due to the fact that no reference line exists at each end, and the fixed mode is threaded connection, a measuring mode which takes a screw central point as an end point can be adopted, and the positioning clamping mechanism which is provided with double scales and can accurately adjust the set length is matched, so that the accurate length stepless adjustment of a 0.1 millimeter level is achieved.
Disclosure of Invention
Aiming at the defects, the invention provides the positioning and clamping mechanism with double scales and capable of accurately adjusting the set length, the positioning and clamping mechanism can realize the stepless adjustment of the accurate length by matching with any measuring scale, is used in any gap and length adjusting mechanism, and has wide application range and strong practicability.
The invention is realized by the following technical scheme: a positioning and clamping mechanism with double scales and capable of accurately adjusting set length comprises a fixed ruler (1) and a vernier (2). The fixed ruler (1) comprises an L-shaped upper top plate (3), a first rear top plate (4), a second rear top plate (5), a lower top plate (6), a rotating shaft center positioning fixing column (7) and a screw length adjusting fixing insert (8), and the movable ruler (2) comprises a length adjusting screw (9), an accurate fine adjusting nut (10), a movable ruler frame (11), a movable clamping stud (12) and a double-ruler fixing screw (13). The L-shaped upper top plate (3) and the first rear top plate (4) are slidably mounted through a first guide hole (14) by screws, the first rear top plate (4) and the second rear top plate (5) are slidably combined and mounted through a second guide hole (15) and a fourth guide hole (17) by screws and nuts, and the lower top plate (6) and the second rear top plate (5) are slidably mounted through a third guide hole (16) by screws. The lower end of the rotating shaft center positioning fixing column (7) is provided with a triangular table type tool bit (18) which is completely meshed with the tail end frustum type screw (21) for matched use, and the lower end of the movable clamping stud (12) is provided with a vernier end triangular table type tool bit (19) which is completely meshed with the tail end frustum type screw (21) for matched use.
As a preferable technical scheme of the invention, the widths of the first guide hole (14) and the third guide hole (16) are 0.2mm wider than the diameter of the first guide screw (20), and when the guide screw (20) is not tightened, the L-shaped upper top plate (3) and the first rear top plate (4) as well as the lower top plate (6) and the second rear top plate (5) can slide transversely to adjust the relative positions.
As a preferable technical scheme of the invention, the widths of the second guide hole (15) and the fourth guide hole (17) are 0.2mm wider than the diameter of the second guide screw (21), the second guide hole and the fourth guide hole are matched with a guide nut (23) for use, and when the guide nut (23) is not screwed, the first rear top plate (4) and the second rear top plate (5) can slide vertically to adjust the relative positions.
As a preferable technical scheme of the invention, the intersection of each ridge line of the rotating shaft center positioning fixing column (7) and the movable clamping stud (12) is vertically opposite to the zero scale line of the lower top plate (6) and the vernier scale frame (11). The mechanism can realize accurate adjustment of the length of 5-1000 mm.
As a preferable technical scheme of the invention, the hexagonal screw head at the upper end of the tail end frustum type screw (21) is completely meshed with the rule fixing end triangular frustum type cutter head (18) and the rule moving end triangular frustum type cutter head (19), and the center of the screw rod at the lower end of the tail end frustum type screw (21) is vertically aligned with the intersection of all ridge lines of the triangular frustum type cutter head (18).
In a preferred embodiment of the present invention, the included angle between the edges of the fixed ruler end triangular table type cutter head (18) and the vernier end triangular table type cutter head (19) is 20 degrees, and the extension lines converge at one point. Each crest line contained angle of tail end frustum formula screw (21) upper end recess is 20 and the extension line gathers in a point mutually, with gu chi end triangular table formula tool bit (18), the three-edged table formula tool bit of vernier end (19) complete meshing, supporting use.
Compared with the prior art, the invention has the beneficial effects that: the mechanism can be matched with any graduated scale, the graduated scale is inserted into the fixed scale, the position of each top plate is adjusted to fix the position of the top plate, and the mechanism can read the data, is simple to operate and has strong applicability. The method for accurately determining the length by double scales is adopted, so that the reading can be increased to 0.1 millimeter level, and the precision is high.
Drawings
FIG. 1 and FIG. 2 are schematic structural views of the present invention;
FIG. 3 is a schematic view of the alignment between the zero scale line of the fixed ruler and the center of the fixed ruler end shaft center positioning fixing column in the present invention;
FIG. 4 is a schematic view of the alignment of the zero scale line of the vernier with the center of the movable clamping stud at the end of the vernier in the present invention;
FIG. 5 is a schematic view of the threaded connection of the upper and lower top plates to the rear top plate in the present invention;
FIG. 6 is a schematic view of the threaded connection between two rear top plates according to the present invention;
FIG. 7 is a schematic view of a tail end frustum type screw according to the present invention;
FIG. 8 is a schematic view of the engagement between the trigonal table type cutter head and the frustum type screw at the tail end;
FIG. 9 is a schematic diagram of the most suitable application of the present invention;
list of reference numbers:
1. fixing a ruler; 2. a vernier; 3. an L-shaped upper top plate; 4. a first back ceiling plate; 5. a second rear ceiling panel; 6. a lower top plate; 7. a rotating shaft center positioning column; 8. the length of the screw rod is adjusted to fix the inserting block; 9. a length adjusting screw; 10. accurately fine-tuning the nut; 11. a vernier; 12. a movable clamping stud; 13. a double-ruler fixing screw; 14. a first guide hole; 15 a second pilot hole; 16. a third guide hole; 17. a fourth guide hole; 18. a fixed ruler end triangular table type tool bit; 19. a triangular table type cutter head at the end of the vernier; 20. a top plate fixing screw 1; 21. a tail end frustum screw; 22. a top plate fixing screw 2; 23. nut for fixing top plate
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention.
As shown in figure 1, the positioning and clamping mechanism with double scales and capable of accurately adjusting the set length is characterized in that: comprises a fixed ruler (1) and a vernier (2). The fixed ruler (1) comprises an L-shaped upper top plate (3), a first rear top plate (4), a second rear top plate (5), a lower top plate (6), a rotating shaft center positioning fixing column (7) and a screw length adjusting fixing insert (8), and the movable ruler (2) comprises a length adjusting screw (9), an accurate fine adjusting nut (10), a movable ruler frame (11), a movable clamping stud (12) and a double-ruler fixing screw (13). The L-shaped upper top plate (3) and the first rear top plate (4) are slidably mounted through a first guide hole (14) by screws, the first rear top plate (4) and the second rear top plate (5) are slidably combined and mounted through a second guide hole (15) and a fourth guide hole (17) by screws and nuts, and the lower top plate (6) and the second rear top plate (5) are slidably mounted through a third guide hole (16) by screws. The lower end of the rotating shaft center positioning fixing column (7) is provided with a triangular table type tool bit (18) which is completely meshed with the tail end frustum type screw (21) for matched use, and the lower end of the movable clamping stud (12) is provided with a vernier end triangular table type tool bit (19) which is completely meshed with the tail end frustum type screw (21) for matched use.
Inserting any ruler marked with scales into the fixed ruler, adjusting the upper top plate, the lower top plate, the first rear top plate and the second rear top plate, aligning the inserted ruler with two zero scale marks of the L-shaped lower top plate, and screwing down screws of the top plates to fix the position of the inserted ruler. At the moment, the zero scale mark of the inserted ruler is vertically aligned with the center of the triangular table type tool bit at the lower end of the rotating shaft center positioning fixing column, the scale with the interval of 0.9mm and the total length of 9mm is marked at the front end of the vernier, and the zero scale mark of the vernier is vertically aligned with the center of the triangular table type tool bit at the lower end of the movable clamping stud. And sliding the vernier to the position of the value to be adjusted, finely adjusting the position by using a fine adjustment nut at the upper end of the vernier, finally screwing down the double-ruler fixing screw to fix the vernier, assembling the two studs onto the tail end frustum type screw, and adjusting on a mechanism to be adjusted.
As an embodiment of the present invention, as shown in fig. 2, the fixed ruler guide holes include a first guide hole (14), a second guide hole (15), a third guide hole (16), and a fourth guide hole (17).
As an embodiment of the invention, as shown in figure 3, the lower end of the rotating shaft center positioning fixing column (7) is provided with a fixed ruler end triangular table type cutter head (18), and the intersection of all ridge lines of the cutter head vertically faces the zero scale mark of the lower top plate (6).
As an embodiment of the invention, as shown in figure 4, the lower end of the movable clamping stud (12) is provided with a triquetrous table type cutting head (19) at the end of the vernier, and the intersection of all ridges of the triquetrous table type cutting head vertically faces the zero scale mark of the vernier frame (11).
As an embodiment of the present invention, as shown in fig. 5, the width of the first guide hole (14) and the third guide hole (16) is 0.2mm wider than the diameter of the first guide screw (20), and when the guide screw (20) is not tightened, the L-shaped upper top plate (3) and the first rear top plate (4), the lower top plate (6) and the second rear top plate (5) can slide laterally to adjust the relative positions.
As an embodiment of the present invention, as shown in fig. 6, the widths of the second guiding hole (15) and the fourth guiding hole (17) are 0.2mm wider than the diameter of the second guiding screw (21), and they are used in cooperation with a guiding nut (23), and when the guiding nut (23) is not tightened, the first rear top plate (4) and the second rear top plate (5) can slide vertically to adjust the relative positions.
As an embodiment of the present invention, as shown in fig. 7 and 8, an upper hexagonal screw head of the tail-end frustum-shaped screw (21) is completely engaged with the rule-fixing-end triangular frustum-shaped cutter head (18) and the rule-moving-end triangular frustum-shaped cutter head (19), and a center of a lower screw rod of the tail-end frustum-shaped screw (21) is vertically aligned with intersections of ridges of the rule-fixing-end triangular frustum-shaped cutter head (18) and the rule-moving-end triangular frustum-shaped cutter head (19).
As an embodiment of the present invention, as shown in fig. 9, the most suitable application of the mechanism is the novel dual-crank link mechanism capable of outputting precise sine rules shown in fig. 9, which can be used to precisely adjust the lengths of the two cranks.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a but two scales accurate adjustment set length's location clamping mechanism which characterized in that: the sliding ruler comprises a fixed ruler (1) and a sliding ruler (2), wherein the fixed ruler (1) comprises an L-shaped upper top plate (3), a first rear top plate (4), a second rear top plate (5), a lower top plate (6), a rotating shaft center positioning fixing column (7) and a screw length adjusting fixing insert block (8), the sliding ruler (2) comprises a length adjusting screw (9), an accurate fine adjusting nut (10), a sliding ruler frame (11), a movable clamping stud (12) and a double ruler fixing screw (13), the L-shaped upper top plate (3) and the first rear top plate (4) are slidably mounted through a first guide hole (14) by using screws, the first rear top plate (4) and the second rear top plate (5) are slidably combined and mounted through a second guide hole (15) and a fourth guide hole (17) by using screws and nuts, the lower top plate (6) and the second rear top plate (5) are slidably mounted through a third guide hole (16) by using screws, the lower ends of the rotating shaft center positioning fixing column (7) and the movable clamping stud (12) are respectively provided with a triangular table type tool bit (18) which is completely meshed with the tail end frustum type screw (21) for matching use.
2. The clamping adjustment mechanism with precisely settable length according to claim 1, wherein the first guide hole (14), the third guide hole (16) have a width that is 0.2mm wider than the diameter of the first guide screw (20), and the second guide hole (15), the fourth guide hole (17) have a width that is 0.2mm wider than the diameter of the second guide screw (21).
3. The clamping adjustment mechanism with accurately settable length according to claim 1, wherein the lower end of the fixed shaft center positioning fixed column (7) is provided with a fixed ruler end triangular table type cutter head (18), the intersection of each ridge line of the fixed shaft center positioning fixed column vertically faces the zero scale line of the lower top plate (6), the lower end of the movable clamping stud (12) is provided with a movable ruler end triangular table type cutter head (19), and the intersection of each ridge line of the movable clamping stud vertically faces the zero scale line of the movable ruler frame (11).
4. The clamping adjustment mechanism with accurately settable length according to claim 1, wherein the hexagonal screw head at the upper end of the tail frustum type screw (21) is completely engaged with the rule-fixing end triangular frustum type cutter head (18) and the rule-moving end triangular frustum type cutter head (19), and the screw center at the lower end of the tail frustum type screw (21) is vertically aligned with the intersection of the ridge lines of the rule-fixing end triangular frustum type cutter head (18) and the rule-moving end triangular frustum type cutter head (19).
5. The clamping adjustment mechanism with precisely settable length according to claim 1, wherein the fixed ruler end triangular table type cutter head (18) and the vernier end triangular table type cutter head (19) have included angles of 20 ° and their extension lines converge at one point.
6. The clamping adjustment mechanism with precisely settable length according to claim 1, wherein the included angle between the ridges of the upper groove of the end frustum screw (21) is 20 ° and the extension lines converge at a point, and the clamping adjustment mechanism is completely engaged with the fixed ruler end triangular platform type cutter head (18) and the vernier end triangular platform type cutter head (19) for use in a matched manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210682987.4A CN115042106A (en) | 2022-06-16 | 2022-06-16 | Positioning and clamping mechanism with double scales and capable of accurately adjusting set length |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210682987.4A CN115042106A (en) | 2022-06-16 | 2022-06-16 | Positioning and clamping mechanism with double scales and capable of accurately adjusting set length |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115042106A true CN115042106A (en) | 2022-09-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210682987.4A Pending CN115042106A (en) | 2022-06-16 | 2022-06-16 | Positioning and clamping mechanism with double scales and capable of accurately adjusting set length |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115042106A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0478239A1 (en) * | 1990-09-24 | 1992-04-01 | Lohner, KLaus | Boring head tool cartridge and cartridge mounting arrangement |
| US5255901A (en) * | 1993-01-05 | 1993-10-26 | Rottler Donald B | Fixture system for mounting work pieces to be machined |
| JPH08155805A (en) * | 1994-12-09 | 1996-06-18 | Japan Steel & Tube Constr Co Ltd | Beveling machine |
| CN104483110A (en) * | 2014-11-19 | 2015-04-01 | 哈尔滨电气动力装备有限公司 | High-accuracy fine adjusting positioning device |
| CN205146968U (en) * | 2015-12-04 | 2016-04-13 | 安徽哈科数控机床制造有限公司 | Dam device after bender accurate positioning |
| US20160195380A1 (en) * | 2015-01-05 | 2016-07-07 | Fu Tai Hua Industry (Shenzhen) Co., Ltd. | Positioning device |
| CN108527210A (en) * | 2018-06-29 | 2018-09-14 | 盐城国刀刀具有限公司 | Hardware clamp for machining |
| CN110117794A (en) * | 2019-05-21 | 2019-08-13 | 盐城工学院 | A kind of electroreduction CO2The three Room type electrolytic cell devices and its electrolytic method of formates processed |
| US20190366561A1 (en) * | 2017-04-06 | 2019-12-05 | Jiangnan University | Palm-type mechanical gripper with variable-position and rotatable fingers and dual-drive crank-slider parallel mechanism |
| CN213021299U (en) * | 2020-08-19 | 2021-04-20 | 贵州安吉航空精密铸造有限责任公司 | Height vernier caliper |
| CN213765587U (en) * | 2020-12-11 | 2021-07-23 | 山东省计量科学研究院 | Tool for calibrating large-scale vernier caliper |
| CN113218626A (en) * | 2021-03-25 | 2021-08-06 | 中国航发南方工业有限公司 | Standard glass line ruler clamping device |
| CN215491378U (en) * | 2021-09-03 | 2022-01-11 | 黄石市旭鑫精密模具有限公司 | Dial gauge clamping device |
-
2022
- 2022-06-16 CN CN202210682987.4A patent/CN115042106A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0478239A1 (en) * | 1990-09-24 | 1992-04-01 | Lohner, KLaus | Boring head tool cartridge and cartridge mounting arrangement |
| US5255901A (en) * | 1993-01-05 | 1993-10-26 | Rottler Donald B | Fixture system for mounting work pieces to be machined |
| JPH08155805A (en) * | 1994-12-09 | 1996-06-18 | Japan Steel & Tube Constr Co Ltd | Beveling machine |
| CN104483110A (en) * | 2014-11-19 | 2015-04-01 | 哈尔滨电气动力装备有限公司 | High-accuracy fine adjusting positioning device |
| US20160195380A1 (en) * | 2015-01-05 | 2016-07-07 | Fu Tai Hua Industry (Shenzhen) Co., Ltd. | Positioning device |
| CN205146968U (en) * | 2015-12-04 | 2016-04-13 | 安徽哈科数控机床制造有限公司 | Dam device after bender accurate positioning |
| US20190366561A1 (en) * | 2017-04-06 | 2019-12-05 | Jiangnan University | Palm-type mechanical gripper with variable-position and rotatable fingers and dual-drive crank-slider parallel mechanism |
| CN108527210A (en) * | 2018-06-29 | 2018-09-14 | 盐城国刀刀具有限公司 | Hardware clamp for machining |
| CN110117794A (en) * | 2019-05-21 | 2019-08-13 | 盐城工学院 | A kind of electroreduction CO2The three Room type electrolytic cell devices and its electrolytic method of formates processed |
| CN213021299U (en) * | 2020-08-19 | 2021-04-20 | 贵州安吉航空精密铸造有限责任公司 | Height vernier caliper |
| CN213765587U (en) * | 2020-12-11 | 2021-07-23 | 山东省计量科学研究院 | Tool for calibrating large-scale vernier caliper |
| CN113218626A (en) * | 2021-03-25 | 2021-08-06 | 中国航发南方工业有限公司 | Standard glass line ruler clamping device |
| CN215491378U (en) * | 2021-09-03 | 2022-01-11 | 黄石市旭鑫精密模具有限公司 | Dial gauge clamping device |
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Application publication date: 20220913 |