CN203908472U - External taper detection device - Google Patents
External taper detection device Download PDFInfo
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- CN203908472U CN203908472U CN201420215095.4U CN201420215095U CN203908472U CN 203908472 U CN203908472 U CN 203908472U CN 201420215095 U CN201420215095 U CN 201420215095U CN 203908472 U CN203908472 U CN 203908472U
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- vernier scale
- vernier
- chi
- cutting edge
- scale
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- 238000001514 detection method Methods 0.000 title abstract description 9
- 230000004308 accommodation Effects 0.000 claims abstract description 15
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Abstract
The utility model discloses an external taper detection device, comprising a base; a column vertically arranged on the base; a vernier scale horizontally arranged and capable of moving up and down along the column, a front side of the vernier scale being provided with a vernier scribed line and the inner of the vernier scale being provided with an accommodation space penetrating along a horizontal axis; a locking part used for locking the column and the vernier scale; a main calibrated scale horizontally arranged, wherein a crossing angle between an end surface of one segment and a lower surface is provided with a gap, the gap is provided with an overhanging rod protruding downwards, a blade of another segment is sleeved in the accommodation space of the vernier scale and is capable of horizontally sliding left and right in the accommodation space, and the main calibrated scale is provided with main calibration tails; a cutting edge ruler with one end fixed to a rotating hinge and hinged to a corner on the lower side of the vernier scale through the rotating hinge, wherein a lower end surface of the overhanging rod and an upper surface of the cutting edge ruler are in sliding cooperation; a positioning part fixed to the rotating hinge; and a reference adjusting mechanism in fixed connection with the other end of the cutting edge ruler. The external taper detection device has a simple structure, is convenient to operate and can effectively raise detection precision.
Description
Technical field
The utility model relates to taper measurement technical field, specifically relates to a kind of external taper pick-up unit.
Background technology
For a long time, in lathe, instrument, Hydraulic Elements and machine-building, whether processing and use cylindrical cone, need to detect tapering and meet the requirements.Now conventional universal protractor and sine gauge, the angle that the former reads, scale division value is 2 minutes, during detection, is difficult to guarantee the correct installation site of workpiece; The latter is a kind of Indirect Detecting Method, and the result of calculating is taper tolerance.Like this, on part drawing, usually the tapering numerical value of mark but cannot adopt the direct method of measurement to detect accurately.
Summary of the invention
The technical problems to be solved in the utility model is: provide a kind of easy to detect, external taper pick-up unit that precision is high, for the external taper of cone or round platform is detected.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme:
An external taper pick-up unit, is characterized in that, comprises
-base;
-be vertically arranged in the column on described base;
-the horizontally disposed and vernier scale that can move up and down along described column, its front has vernier groove, and this vernier groove is along its axial distribution, and the inside of this vernier scale has the spatial accommodation connecting along horizontal axis;
-by the locking member of described column and the locking of described vernier scale;
-horizontally disposed master calibration chi, the end face of one section and lower surface angle of cut place have a breach, this breach has the bar that overhangs to lower convexity near this end, another section of blade of this master calibration chi is set in the spatial accommodation of described vernier scale and can slides along this spatial accommodation left and right horizontal, the front of that section of blade that this master calibration chi and described spatial accommodation are slidably matched has main scale mark, and this main scale mark is along its axial distribution;
-cutting edge chi, its one end and turning joint are fixed and by this turning joint and described vernier scale below and hinged towards the Na Yijiao of the described bar that overhangs, the lower surface of the bar that overhangs of described master calibration chi and the respective surfaces upward of this cutting edge chi are slidably matched;
-be fixed on the positioning element positioning in initial position on described turning joint, to described cutting edge chi; And
-benchmark governor motion that be fixedly connected with the other end of described cutting edge chi, that described master calibration chi is carried out to the adjusting of initial detecting benchmark for this cutting edge chi when the initial position;
Wherein, the level height of the centre of gyration of described turning joint is lower than the level height of the lower surface of the described bar that overhangs.
On the upper surface of described base, have the V-shaped groove in cross section, the bearing of trend of this groove is consistent with the bearing of trend of described vernier scale and corresponding with this vernier scale.
Described benchmark governor motion, by regulating substrate and regulating parts to form, has the screw that runs through its two sides on described adjusting substrate, and described adjusting parts movable screw is connected to also can be along the axially reciprocating of described through hole in described screw.
On described vernier scale, have secure component, this secure component can be locked this vernier scale and described master calibration chi mutually.
Useful technique effect of the present utility model is:
The utility model adopts master calibration chi to slide with respect to vernier scale, by vernier reading method, directly read the relative length numerical value of measured workpiece, then, with the level height numerical value of the lower surface of the bar that overhangs, deduct the difference that the level height numerical value of the centre of gyration of turning joint obtains and can obtain the external taper numerical value of measured workpiece divided by the relative length numerical value of this measured workpiece, because the relative length numerical value of measured workpiece is dividend, more accurate through the resulting measurement result of computing; Meanwhile, the utlity model has base, during detection, measured workpiece is placed on this base, the deflection of measured workpiece in the time of can reliably preventing from detecting; The utility model also has positioning element and benchmark governor motion is calibrated, and can further effectively improve measuring accuracy.Therefore, the utility model is simple in structure, and technology is reasonable, easy to operate, and reliable operation effectively improves accuracy of detection.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is external taper schematic diagram calculation of the present utility model;
Fig. 3 is that the K of Fig. 1 is to partial view;
Fig. 4 is the structure for amplifying schematic diagram at Figure 1A place;
Fig. 5 is that the B of Fig. 1 is to partial view (being the left view of base in Fig. 1);
Fig. 6 is reading schematic diagram of the present utility model.
Embodiment
For describing technical characterictic of the present utility model and effect in detail, and can realize according to the content of this instructions, below in conjunction with accompanying drawing, embodiment of the present utility model is further illustrated.
Referring to Fig. 1, Fig. 3, Fig. 4 and Fig. 5, for a kind of external taper pick-up unit of the present utility model, comprise base 1, column 2, vernier scale 3, locking member 4, master calibration chi 5, cutting edge chi 6, positioning element 10 and benchmark governor motion 8, on the upper surface of base 1, have the V-shaped groove 1-1 in cross section, the bearing of trend of this groove 1-1 is consistent with the bearing of trend of vernier scale 3 and corresponding with this vernier scale 3, column 2 is vertically arranged on base 1, and this column 2 is cylindrical, the back side of vernier scale 3 is provided with columnar guide cylinder 3-2, the internal diameter of this guide cylinder 3-2 and the external diameter of column 2 are suitable and be slidably matched, thereby by this vernier scale 3 horizontally disposed with this column 2 on and can move up and down along column 2, the front of vernier scale 3 has vernier groove 3-1, this vernier groove 3-1 is along the axial distribution of vernier scale 3, the scale division value of this vernier groove 3-1 is 0.02 millimeter, and the inside of this vernier scale 3 has the spatial accommodation connecting along horizontal axis, on guide cylinder 3-2, be provided with the locking member 4 that column 2 and vernier scale 3 are locked mutually, this locking member 4 is screw, the end face of one section and the lower surface angle of cut place of horizontally disposed master calibration chi 5 have a breach 5-3, this breach 5-3 has the bar 5-2 that overhangs to lower convexity near this end, another section of blade of master calibration chi 5 is set in the spatial accommodation of vernier scale 3 and can slides along this spatial accommodation left and right horizontal, the front of that section of blade that the spatial accommodation of this master calibration chi 5 and vernier scale 3 is slidably matched has main scale mark 5-1, this main scale mark 5-1 is along the axial distribution of master calibration chi 5, main scale mark 5-1 ruling span is 1 millimeter and extends and increase reading to the contrary direction of the bar 5-2 that overhangs, the direction that vernier groove 3-1 reading increases is consistent with the reading augment direction of main scale mark 5-1, one end of cutting edge chi 6 and turning joint 7 are fixed and by this turning joint 7 and vernier scale 3 belows and hinged towards the Na Yijiao of the bar 5-2 that overhangs, the lower surface of the bar 5-2 that overhangs and the respective surfaces upward of this cutting edge chi 6 of master calibration chi 5 are slidably matched, positioning element 10 is fixed on turning joint 7, for cutting edge chi 6 is positioned when the initial position, benchmark governor motion 8 is by regulating substrate 8-1 and regulating parts 8-2 to form, regulate on substrate 8-1 and there is the screw that runs through its two sides, regulate parts 8-2 movable screw to be connected in the screw regulating on substrate 8-1 and can be along this screw axially reciprocating, the adjusting substrate 8-1 of benchmark governor motion 8 is fixedly connected with the other end of cutting edge chi 6, for master calibration chi 5 being carried out to the adjusting of initial detecting benchmark when cutting edge chi 6 during in initial position, the level height of the centre of gyration of turning joint 7 is lower than the level height of the lower surface of the bar 5-2 that overhangs.
For easy to use, on vernier scale 3, there is secure component 9, this secure component 9 can be locked vernier scale 3 and master calibration chi 5 mutually, and this secure component 9 is screw.
In order better to understand the utility model, measure the principle of work of tapering, first briefly describe below, referring to Fig. 1 and Fig. 2, during detection, cutting edge chi 6 is hypotenuses of the right-angle triangle in Fig. 2, one end of cutting edge chi 6 is around the center steering of turning joint 7, the upper surface of cutting edge chi 6 other ends is resisted against the lower surface of the bar 5-2 that overhangs and is slidably matched, because the lower surface difference in height of the centre of gyration of turning joint 7 and the bar 5-2 that overhangs of master calibration chi 5 is constant, for convenient, calculate, this constant of the present utility model is set to 10 millimeters, this constant is exactly the poor D-d of diameter of the large end of measured circle cone (or round platform) and segment, when the different measured circle cone (or round platform) of tapering is measured, the numerical value of the relative circular cone fundamental length L of this cone (or round platform) is not identical, the relative circular cone fundamental length L of this cone (or round platform) reads from the vernier groove 3-1 of master calibration chi 5 main scale mark 5-1 and vernier scale 3, according to tapering numerical value C=(D-d)/L=10 millimeter/L=1 centimetre/L, just can obtain tapering numerical value C.
Using method of the present utility model:
While using the utility model to check, first according to the size of measured workpiece external diameter, unscrew locking member 4, move up and down and adjust the position of vernier scale 3 on column 2, make it to adapt with measured workpiece external diameter, then tighten locking member 4, vernier scale 3 is fixed on column 2, then carry out reference calibration, cutting edge chi 6 is clockwise rotated to initial position, positioning element 10 on turning joint 7 is resisted against vernier scale 3 corner 3-3, see Fig. 2, master calibration chi 5 moves right, and the bar 5-2 lower end abutment that overhangs is in cutting edge chi 6, adjusting parts 8-2 by null setting 8 adjusts again, in this example, regulating parts 8-2 is screw, make to regulate parts 8-2 front end to be resisted against on the end face near that end of bar 5-2 that overhangs, and make reading on the vernier groove 3-1 of master calibration chi 5 main scale mark 5-1 and vernier scale 3 just at benchmark initial reading L
benchmarkplace, as L
benchmark=60 millimeters, can improve accuracy of detection like this, after reference calibration, measured workpiece is placed on base 1, groove 1-1 by the V-arrangement on base 1 guarantees to measure tapering by measured workpiece axis profile, from benchmark governor motion 8 directions, push measured workpiece, cutting edge chi 6 is rotated counterclockwise around turning joint 7, cutting edge chi 6 promotes main dip stick 5 and is moved to the left, when the bus of side of measured workpiece and the lower surface of cutting edge chi 6 fit tightly completely, illustrate that measured workpiece is just to measuring position, now by vernier caliper reading method, from main scale mark 5-1 and vernier groove 3-1, read respective value, using formula: tapering numerical value C=(D-d)/L=10 millimeter/L=1 centimetre/L calculates, can obtain the tapering numerical value of corresponding measured workpiece, for example, when a certain measured workpiece is measured, the shown reading of the utility model as shown in Figure 6, from being positioned at the right of vernier zero groove, on main scale mark 5-2, read whole millimeter, 50 millimeters, for the reading that is less than 1 millimeter, read the upper groove sequence number number aliging with the groove of main scale mark 5-2 of vernier groove 3-1, being multiplied by 0.02 millimeter can obtain again, in Fig. 6, the sequence number number of vernier groove 3-1 is the 40th to align with 41 millimeters of master calibration chi grooves, it is 40*0.02=0.80 millimeter, it is exactly tested reading that two parts are added, be 50+0.80=50.80 millimeter=5.080 centimetre, the relative circular cone fundamental length L of its corresponding measured workpiece, uses above-mentioned formula to calculate taper value C=1/5.080=0.19685.As can be seen here, vernier groove 3-1 of the present utility model, main scale mark 5-1 and their number reading method, just contrary with conventional vernier caliper, and also master calibration chi 5 moves and vernier scale 3 maintains static.
Above with reference to embodiment, the utility model being have been described in detail, is illustrative and not restrictive, in the variation and the modification that do not depart under the utility model general plotting, all within protection domain of the present utility model.
Claims (4)
1. an external taper pick-up unit, is characterized in that, comprises
-base;
-be vertically arranged in the column on described base;
-the horizontally disposed and vernier scale that can move up and down along described column, its front has vernier groove, and this vernier groove is along its axial distribution, and the inside of this vernier scale has the spatial accommodation connecting along horizontal axis;
-by the locking member of described column and the locking of described vernier scale;
-horizontally disposed master calibration chi, the end face of one section and lower surface angle of cut place have a breach, this breach has the bar that overhangs to lower convexity near this end, another section of blade of this master calibration chi is set in the spatial accommodation of described vernier scale and can slides along this spatial accommodation left and right horizontal, the front of that section of blade that this master calibration chi and described spatial accommodation are slidably matched has main scale mark, and this main scale mark is along its axial distribution;
-cutting edge chi, its one end and turning joint are fixed and by this turning joint and described vernier scale below and hinged towards the Na Yijiao of the described bar that overhangs, the lower surface of the bar that overhangs of described master calibration chi and the respective surfaces upward of this cutting edge chi are slidably matched;
-be fixed on the positioning element positioning in initial position on described turning joint, to described cutting edge chi; And
-benchmark governor motion that be fixedly connected with the other end of described cutting edge chi, that described master calibration chi is carried out to the adjusting of initial detecting benchmark for this cutting edge chi when the initial position;
Wherein, the level height of the centre of gyration of described turning joint is lower than the level height of the lower surface of the described bar that overhangs.
2. external taper pick-up unit according to claim 1, is characterized in that, has the V-shaped groove in cross section on the upper surface of described base, and the bearing of trend of this groove is consistent with the bearing of trend of described vernier scale and corresponding with this vernier scale.
3. external taper pick-up unit according to claim 1, it is characterized in that, described benchmark governor motion is by regulating substrate and regulating parts to form, on described adjusting substrate, have the screw that runs through its two sides, described adjusting parts movable screw is connected to also can be along the axially reciprocating of described through hole in described screw.
4. according to the external taper pick-up unit described in claim 1,2 or 3, it is characterized in that having secure component on described vernier scale, this secure component can be locked this vernier scale and described master calibration chi mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420215095.4U CN203908472U (en) | 2014-04-29 | 2014-04-29 | External taper detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420215095.4U CN203908472U (en) | 2014-04-29 | 2014-04-29 | External taper detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203908472U true CN203908472U (en) | 2014-10-29 |
Family
ID=51782735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420215095.4U Expired - Lifetime CN203908472U (en) | 2014-04-29 | 2014-04-29 | External taper detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203908472U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104841726A (en) * | 2015-05-11 | 2015-08-19 | 张立 | Bending angle controller of bending machine |
| CN114251995A (en) * | 2020-09-25 | 2022-03-29 | 富准精密模具(嘉善)有限公司 | Detection device |
-
2014
- 2014-04-29 CN CN201420215095.4U patent/CN203908472U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104841726A (en) * | 2015-05-11 | 2015-08-19 | 张立 | Bending angle controller of bending machine |
| CN114251995A (en) * | 2020-09-25 | 2022-03-29 | 富准精密模具(嘉善)有限公司 | Detection device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |