CN203881238U - Simple lathe tool protractor - Google Patents
Simple lathe tool protractor Download PDFInfo
- Publication number
- CN203881238U CN203881238U CN201420234441.3U CN201420234441U CN203881238U CN 203881238 U CN203881238 U CN 203881238U CN 201420234441 U CN201420234441 U CN 201420234441U CN 203881238 U CN203881238 U CN 203881238U
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- China
- Prior art keywords
- shaped
- chi
- lathe tool
- scale
- slide rule
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- Expired - Fee Related
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- 241000606706 Chione <angiosperm> Species 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 5
- 238000010030 laminating Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model discloses a simple lathe tool protractor comprising an L-shaped base scale, an L-shaped turning scale and an L-shaped sliding scale. The L-shaped base scale consists of a horizontal end and a vertical end, wherein the corner of the base scale is provided with a fan-shaped graduated disc. The L-shaped turning scale is provided with a downward corner and is connected with the circle center of the fan-shaped graduated disc in a rotating manner. The fan-shaped graduated disc is provided with an arc-shaped slide groove, a pointer is mounted on the graduated disc, a boss of the pointer is mounted in the arc-shaped slide groove in an embedded manner and is connected with one end of the turning scale, and the pointer can slide along the arc-shaped slide groove. One end of the L-shaped sliding scale is parallel to the horizontal end of the base scale, the other end of the L-shaped sliding scale is connected with the vertical end of the base scale in a sliding manner, and the base scale and the sliding scale form an F-shaped integral body. The beneficial effects of the simple lathe tool protractor are that in the same two dimensional plane, five basic lathe tool angles can be measured directly, measuring efficiency can be improved, and a simple structure is realize; the simple lathe tool protractor is scientific in measuring method, low in cost and good in teaching effect.
Description
Technical field
The utility model relates to a kind of teaching aid apparatus, especially relates to a kind ofly facilitating classroom lathe tool measurement of angle teaching, improves the simple and easy lathe tool protractor of efficiency of teaching.
Background technology
The universal bevel protractor of selling on market is now various in style, but mostly part comparison is many, and measuring method is more single, and some professional lathe tool measurers even do not want thousands of units not etc., and price comparison is expensive.Classroom instruction is particular about efficiency of teaching and is considered student's ability to accept, and the definition and the Quick Measuring that how to allow the student of mechanical major better understand lathe tool angle measure the corresponding angle of lathe tool.Common protractor part is many, and measuring process needs constantly dismounting again and assembled to measure other angles of lathe tool.This has brought many troubles to the classmate of just study contact lathe tool angle knowledge, according to survey, and many teachers and classmate's reflection, because lathe tool angle is more abstract, learning process obtains and constantly sets up the respective angles position that corresponding space structure removes to imagine lathe tool.Student is most when using common angulation tolerance lathe tool angle must spend clock more than just can measure the basic angle of one or two lathe tool, the power that consumes again consuming time of imparting knowledge to students.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of and can facilitate classroom lathe tool measurement of angle teaching, improves the simple and easy lathe tool protractor of efficiency of teaching.
A simple and easy lathe tool protractor, comprises base chi, turns chi and slide rule.Described base chi is L shaped, is divided into horizontal ends and vertically holds, and its corner is provided with fan dial.The described chi that turns is L shaped, its corner down, described in turn chi and the fan dial center of circle is rotationally connected.In described fan dial, be provided with arc chute, on described index dial, pointer be installed, described pointer is provided with boss, described boss embed be arranged in arc chute and with turn chi one end and be connected, described pointer can slide along arc chute.Described slide rule is L shaped, and its one end is parallel with base chi horizontal ends, and the other end and base chi vertically end are slidably connected, and base chi and slide rule form the integral body of F shape.
Further, also comprise locating piece, described base chi vertically holds middle part to be provided with bar shaped chute, described locating piece is provided with boss, described slide rule is provided with boss, and the boss of described locating piece is relative with the lug boss position of slide rule fits, and embeds and is arranged in bar shaped chute, and connect locating piece and slide rule by screw tightening, slide rule is slided up and down along bar shaped chute.
Further, described fan dial meter full scale is-40 °～90 °.
Further, described pointer middle part is provided with reading hole.
Further, described base chi is that right angle is L shaped, described in to turn chi be that right angle is L shaped, described slide rule is that right angle is L shaped.
The utility model beneficial effect: in same two dimensional surface, can measure five basic lathe tool angles, and be all directly to draw lathe tool angle, efficiency is measured in raising, simple in structure, has the measuring method of science, with low cost, has good teaching efficiency.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model A-A diagrammatic cross-section.
Fig. 3 is the utility model B-B diagrammatic cross-section.
Fig. 4 is the utility model lathe tool anterior angle instrumentation plan
Fig. 5 is the utility model lathe tool relief angle instrumentation plan.
Fig. 6 is the utility model lathe tool tool cutting edge angle instrumentation plan.
Fig. 7 is the utility model lathe tool auxiliary angle instrumentation plan.
Fig. 8 is the utility model lathe tool cutting edge inclination instrumentation plan.
Referring to drawings and the specific embodiments, the utility model is described in further detail.
Embodiment
As shown in Figure 1, Figure 2 and Figure 3, a kind of simple and easy lathe tool protractor, comprises base chi 1, turns chi 2 and slide rule 3.Base chi 1 is that right angle is L shaped, is divided into horizontal ends 11 and vertically holds 12, and its corner is provided with fan dial 13, and meter full scale is-40 °～90 °.Turn chi 2 L shaped for right angle, its corner down, and is rotationally connected with the center of circle of fan dial 13.In fan dial 13, be provided with the arc chute 131 with fan dial 13 concentrics, pointer 132 is installed on fan dial 13, the boss of pointer 132 embed in arc chute 131 and with turn chi 2 one end and be connected, pointer 132 can slide along arc chute 131, pointer 132 middle parts are provided with reading hole 133, for the indicated angle of reading pointer 132.Slide rule 3 is that right angle is L shaped, its one end is parallel with base chi 1 horizontal ends 11, the other end and base chi 1 vertically end 12 are slidably connected, concrete connected mode is: also comprise locating piece 4, base chi 1 is vertically provided with bar shaped chute 121 in end 12 middle parts, locating piece 4 is provided with boss, slide rule 3 is also provided with boss, the relative laminating of lug boss position of the boss of locating piece 4 and slide rule 3, embedding is arranged in bar shaped chute 121, vertically hold 12 to be clipped in the middle base chi 1, and consolidate 41 connection locating pieces 4 and slide rule 3 by spiral shell, slide rule 3 is slided up and down along bar shaped chute 121.Base chi 1 and slide rule 3 form the integral body of F shapes.
Slide rule 3 can slide by upper and lower translation relative to base chi 1; Turn chi 2 and can relatively rotate with base chi 1, rotarily drive the corresponding scale that the slide block pointer 132 turning on chi 2 points to base chi 1 high scale dish, reach the effect of reading.By turning the rotation of chi 2 and the slippage up and down of slide rule 3 regulates, corresponding knife face and the blade of chi face and lathe tool are developed, just can directly from fan dial 13, read required lathe tool angle.
Below in conjunction with the drawings and specific embodiments, introduce the method for five basic angles of measurement lathe tool of the present utility model.
Front angular measurement: the anterior angle of measuring as shown in Figure 4 lathe tool A, lathe tool A is placed into edge on slide rule 3, adjust up and down slide rule 3 to relevant position, and turn chi 2 and make to turn 2 times edges of chi and reach line with lathe tool A operator face and contact, pointer 132 points to a certain numerical value of fan dial 13, so just can directly read the angle of anterior angle.
Rear angular measurement: as Fig. 5, lathe tool A is placed on to the relevant position on edge in base chi 1 horizontal ends 11, promote to turn chi 2 turn to main after knife face reach line and contact, pointer 132 points to a certain numerical value of fan dials 13, just can directly read like this angle of relief angle.
Tool cutting edge angle is measured: as Fig. 6, lathe tool A handle of a knife laminating is placed on to base chi 1 horizontal ends 11 times along position, promotion turns chi 2 fits chi face and main cutting edge completely, and pointer 132 points to a certain numerical value of fan dial 13, just can directly from index dial, read tool cutting edge angle angle fast.
Auxiliary angle is measured: as Fig. 7, by edge laminating on lathe tool A handle of a knife and slide rule 3, move left and right the position of handle of a knife regulating rotary chi 2 and lathe tool A, make front cutting edge and turn 2 laminatings of chi, pointer 132 points to a certain numerical value of fan dial 13, just can directly from index dial, read auxiliary angle angle fast.
Cutting edge inclination is measured: as Fig. 8, lathe tool A is placed on slide rule 3 along correspondence position, regulates base chi 1 and turn chi 2, the main cutting edge that turns chi 2 chi faces and lathe tool A is fitted, pointer 132 points to a certain numerical value of fan dial 13, just can directly from index dial, read auxiliary angle angle fast.
The utility model adopts a chi without dismounting, measures five basic angles of lathe tool A in same two dimensional surface.Lathe tool A and corresponding chi face are developed, and the rotation by chi and upper and lower slippage regulate, and corresponding knife face and the blade of chi face and lathe tool A are developed, and just can directly from index dial, read required lathe tool A angle.Index dial numerical range is-40 °～90 °, adjusts lathe tool A position and just can fast direct ground connection ask five basic angles of lathe tool A, and negative lathe tool A angle also can measure.
Below be only preferred implementation of the present utility model, it should be pointed out that above-mentioned preferred implementation should not be considered as restriction of the present utility model, protection domain of the present utility model should be as the criterion with claim limited range.For those skilled in the art, within not departing from spirit and scope of the present utility model, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. a simple and easy lathe tool protractor, is characterized in that: comprise base chi, turn chi and slide rule, described base chi is L shaped, is divided into horizontal ends and vertically holds, and its corner is provided with fan dial; The described chi that turns is L shaped, its corner down, described in turn chi and the fan dial center of circle is rotationally connected, in described fan dial, be provided with arc chute, on described index dial, pointer is installed, described pointer is provided with boss, described boss embed be arranged in arc chute and with turn chi one end and be connected, described pointer can slide along arc chute, described slide rule is L shaped, its one end is parallel with base chi horizontal ends, and the other end and base chi vertically end are slidably connected, and base chi and slide rule form the integral body of F shape.
2. a kind of simple and easy lathe tool protractor according to claim 1, it is characterized in that: also comprise locating piece, described base chi vertically holds middle part to be provided with bar shaped chute, described locating piece is provided with boss, described slide rule is provided with boss, and the boss of described locating piece is relative with the lug boss position of slide rule fits, and embeds and is arranged in bar shaped chute, and connect locating piece and slide rule by screw tightening, slide rule is slided up and down along bar shaped chute.
3. a kind of simple and easy lathe tool protractor according to claim 1, is characterized in that: described fan dial meter full scale is-40 °～90 °.
4. a kind of simple and easy lathe tool protractor according to claim 1, is characterized in that: described pointer middle part is provided with reading hole.
5. a kind of simple and easy lathe tool protractor according to claim 1, is characterized in that: described base chi is that right angle is L shaped, described in to turn chi be that right angle is L shaped, described slide rule is that right angle is L shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420234441.3U CN203881238U (en) | 2014-05-08 | 2014-05-08 | Simple lathe tool protractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420234441.3U CN203881238U (en) | 2014-05-08 | 2014-05-08 | Simple lathe tool protractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203881238U true CN203881238U (en) | 2014-10-15 |
Family
ID=51681726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420234441.3U Expired - Fee Related CN203881238U (en) | 2014-05-08 | 2014-05-08 | Simple lathe tool protractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203881238U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106767318A (en) * | 2017-04-07 | 2017-05-31 | 中交公局厦门工程有限公司 | The measurement apparatus and method of adjustment of position relationship between shield tail shell and section of jurisdiction |
| CN104236411B (en) * | 2014-05-08 | 2017-11-07 | 韶关学院 | A kind of simple lathe tool protractor |
-
2014
- 2014-05-08 CN CN201420234441.3U patent/CN203881238U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236411B (en) * | 2014-05-08 | 2017-11-07 | 韶关学院 | A kind of simple lathe tool protractor |
| CN106767318A (en) * | 2017-04-07 | 2017-05-31 | 中交公局厦门工程有限公司 | The measurement apparatus and method of adjustment of position relationship between shield tail shell and section of jurisdiction |
| CN106767318B (en) * | 2017-04-07 | 2022-12-16 | 中交一公局厦门工程有限公司 | Device for measuring position relation between shield tail shell and duct piece and adjusting method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141015 |