CN216815370U - Portable straightness measuring device - Google Patents
Portable straightness measuring device Download PDFInfo
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- CN216815370U CN216815370U CN202220240286.0U CN202220240286U CN216815370U CN 216815370 U CN216815370 U CN 216815370U CN 202220240286 U CN202220240286 U CN 202220240286U CN 216815370 U CN216815370 U CN 216815370U
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- 238000009434 installation Methods 0.000 claims description 20
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 12
- 230000000149 penetrating effect Effects 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000000654 additive Substances 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005555 metalworking Methods 0.000 description 1
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Abstract
The utility model discloses a portable straightness measuring device, relates to the field of straightness measuring devices, solves the problems of high price, complex operation, slow detection speed and insufficient portability of the conventional straightness measuring device, and provides the following scheme, which comprises a measuring box, a mounting clamping groove and a chamfer groove, wherein two sides of the front side surface of the measuring box are respectively provided with an observation lens cone in a penetrating way, a through hole is arranged on the upper end surface and the lower end surface of the measuring box in a penetrating way, a limiting plate is fixedly connected between the inner walls of the left side and the right side of the through hole, a knife edge angle ruler groove is arranged between the limiting plate and the inner wall of the rear side of the through hole, the front inner wall and the rear inner wall of the knife edge angle ruler groove are both fixedly connected with a fixed inclined block, the LED lens observation device is characterized in that a first graduated scale is fixedly mounted at the lower end of the front side face of the limiting plate, an LED lamp bar and a second graduated scale are respectively arranged on the inner wall of the rear side of the chamfer groove and the lower end of the rear side face of the measurement box, and a lens is movably mounted in the observation lens barrel. The device has the characteristics of flexibility, portability, low cost, simple operation and convenient use.
Description
Technical Field
The utility model relates to the field of straightness measuring devices, in particular to a portable straightness measuring device.
Background
Bench workers are the oldest metal working technique in mechanical manufacturing. At present, the bench worker work in mass production is replaced by machines.
However, in the case of single-piece small-batch production or lack of equipment conditions, the manufacturing of certain parts by a bench worker becomes the only method with high efficiency and practicability. Therefore, the existing machining industry can not work with a bench worker.
Although the additive manufacturing technologies such as 3D printing and the like are simultaneously produced in a single piece and in small batches, the 3D is additive manufacturing, the bench worker is reduction manufacturing, the forming processes of the two are different, the material performance of parts is different, the 3D additive materials are only the same in shape, and the difference of the part performance sometimes exists. Meanwhile, the 3D surface roughness is high, and further processing is needed by a bench worker.
In the bench work, straightness, dimensional accuracy, roundness and roughness are all called four major factors influencing the product quality. At present, the measurement precision level of nanometer level can be achieved in the measurement fields of roundness, parallelism, surface roughness and the like, but the problems of high price, complex operation, low detection speed and the like exist. The condition that the application range is limited exists, especially when students are in practical training, a large number of students basically finish the workpiece at the same time, so that the steps for measuring the manufacturing quality of the workpiece are seriously overstocked, and the students need to queue for detection. Therefore, a portable straightness measuring device is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a portable straightness measuring device, and solves the problems that the conventional straightness measuring device is expensive, complex to operate, slow in detection speed and not portable enough.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a portable straightness accuracy measuring device, includes and measures the box, measures the box lower extreme face rear side and opens and be equipped with installation slot, and installation slot's last inner wall has seted up the chamfer groove, it all runs through and is provided with the observation lens cone to measure the box leading flank left and right sides, the through-hole has been seted up that the terminal surface runs through about measuring the box, fixedly connected with limiting plate between the left and right sides inner wall of through-hole, be provided with sword mouth angle chi groove between the rear side inner wall of limiting plate and through-hole, the equal fixed sloping block of fixedly connected with of inner wall around the sword mouth angle chi groove, the leading flank lower extreme fixed mounting of limiting plate has scale one, the rear side inner wall in chamfer groove and measurement box trailing flank lower extreme are equallyd divide and do not are provided with LED lamp strip and scale two, movable mounting has lens in the observation lens cone.
Preferably, the mounting clamping groove is a right angle, and the lower end face of the limiting plate is flush with the upper inner wall of the mounting clamping groove.
Preferably, the knife edge angle square is arranged in the knife edge angle square groove in a sliding mode, and the lower ends of the fixed inclined blocks on the front side and the rear side, which are close to one side face, are obliquely arranged close to one another.
Preferably, the front side surface and the rear side surface of the knife edge angle square are respectively attached to and clamped by the fixed inclined blocks on the front side and the rear side.
Preferably, the lower end of the first graduated scale is flush with the upper inner wall of the mounting clamping groove.
Preferably, the lens is provided with scales, and the scales on the lens correspond to the scales on the first graduated scale and the second graduated scale.
Compared with the related art, the portable straightness measuring device provided by the utility model has the following beneficial effects:
1. the utility model provides a portable straightness measuring device, wherein after an installation clamping groove formed in a measuring box is aligned with the edge of a workpiece, a knife edge angle square slides downwards in a knife edge angle square groove until the knife edge angle square is abutted against the surface of the workpiece, at the moment, the lower end of the knife edge angle square, the upper inner wall of the installation clamping groove and the lower end of a limiting plate are in a parallel and level state, when the surface of the workpiece is not smooth enough and cannot form a straight line, a gap is generated between the lower end of the knife edge angle square and the lower end of the knife edge angle square, at the moment, the position where the gap is generated can be measured and determined through a graduated scale arranged on the limiting plate arranged on the front side of the knife edge angle square, and an LED lamp strip is further arranged on the inner wall on the rear side of the chamfer groove, so that illumination can be carried out in a shading environment to facilitate observation.
2. The utility model provides a portable straightness measuring device, wherein observation lens barrels are arranged at the left end and the right end of the front side surface of a measuring box, lenses are movably arranged in the observation lens barrels, scales are arranged on the lenses, and the lenses correspond to the scales of a first graduated scale and a second graduated scale, so that the width of a gap can be measured through the lenses.
Drawings
Fig. 1 is a schematic structural diagram of a portable linearity measuring device.
Fig. 2 is a schematic bottom view of a portable linearity measuring device.
Fig. 3 is a schematic diagram of a cross-sectional structure of a portable straightness measuring device.
Fig. 4 is a sectional view showing the structure of a portable straightness measuring device.
FIG. 5 is a schematic diagram of gap generation for a portable linearity measurement device
In the figure: 1. a measurement box; 2. installing a clamping groove; 3. chamfering grooves; 4. an observation lens barrel; 5. a through hole; 6. a limiting plate; 7. a knife edge angle rule groove; 8. fixing the inclined block; 9. a first graduated scale; 10. an LED light bar; 11. a second graduated scale; 12. a lens.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1-5, the present invention provides a technical solution: a portable straightness measuring device comprises a measuring box 1, wherein an installation clamping groove 2 is formed in the rear side of the lower end face of the measuring box 1, a chamfer groove 3 is formed in the upper inner wall of the installation clamping groove 2, an observation lens cone 4 is arranged on the left side and the right side of the front side face of the measuring box 1 in a penetrating mode, a through hole 5 is formed in the upper end face and the lower end face of the measuring box 1 in a penetrating mode, a limiting plate 6 is fixedly connected between the inner walls of the left side and the right side of the through hole 5, a knife edge angle ruler groove 7 is formed between the limiting plate 6 and the inner wall of the rear side of the through hole 5, a fixed inclined block 8 is fixedly connected with the front inner wall and the rear inner wall of the knife edge angle ruler groove 7, a first graduated scale 9 is fixedly installed at the lower end of the front side face of the limiting plate 6, an LED lamp strip 10 and a second graduated scale 11 are respectively arranged on the inner wall of the rear side face of the chamfer groove 3 and the lower end of the rear side face of the measuring box 1, a lens 12 is movably installed in the observation lens cone 4, the installation clamping groove 2 is in a right angle, the lower end face of the limiting plate 6 is flush with the upper inner wall of the installation clamping groove 2, the knife edge angle ruler is arranged in the knife edge angle ruler groove 7 in a sliding mode, the lower ends of the front and rear fixed oblique blocks 8, which are close to one side, are arranged in an inclined mode, the lower ends of the front and rear fixed oblique blocks are close to one another, the front and rear two side faces of the knife edge angle ruler are respectively attached to the front and rear fixed oblique blocks 8, which are close to the front and rear two sides, of the knife edge angle ruler, and the lower end of the first graduated scale 9 is flush with the upper inner wall of the installation clamping groove 2.
In the embodiment, the rear side of the lower end face of the measuring box 1 is provided with the installation clamping groove 2, the installation clamping groove 2 is right-angled, so that the workpiece can be conveniently clamped at the edge of the workpiece, the upper end face and the lower end face of the measuring box 1 penetrate through the through hole 5, the limiting plate 6 is fixedly connected between the inner walls of the left side and the right side of the through hole 5, a knife edge angle square groove 7 is formed between the limiting plate 6 and the inner wall of the rear side of the through hole 5, the front inner wall and the rear inner wall of the knife edge angle square groove 7 are provided with the fixing inclined blocks 8, so that the knife edge angle square can be conveniently clamped and fixed when being installed in the knife edge angle square groove, and then the lower end of the knife edge angle square and the upper inner wall of the installation clamping groove 2 at the moment can be aligned with the edge of the workpiece by the installation clamping groove 2 arranged on the measuring box 1, and can slide down in the knife edge angle square groove 7 until the knife edge is abutted against the surface of the workpiece, and the lower end of the knife edge angle square and the upper inner wall of the installation clamping groove 2 at the moment, The lower extreme of limiting plate 6 will be in the parallel and level state, it is not level enough when the workpiece surface, when can not form the straight line, it will produce the clearance with between the lower extreme of edge of a knife angle square, at this moment can be through setting up the scale of installation on the limiting plate 6 of edge of a knife angle square front side, generally measure in proper order along a direction during specific measurement, and then can measure the position that produces the clearance and confirm, and the rear side inner wall of chamfer groove 3 still is provided with LED lamp strip 10, can also throw light on like this under the shading environment, so that conveniently observe, and measure box 1's trailing flank lower extreme and also install scale two 11, so can also conveniently observe the position in clearance through the rear side.
Example two:
referring to fig. 1-5, on the basis of the first embodiment, the present invention provides a technical solution: the lens 12 is provided with scales, and the scales on the lens 12 correspond to the scales on the first graduated scale 9 and the second graduated scale 11.
In this embodiment, the observation lens barrels 4 are respectively arranged at the left end and the right end of the front side surface of the measurement box 1, the lenses 12 are movably arranged in the observation lens barrels 4, the scales are arranged on the lenses 12, and the lenses correspond to the scales of the first graduated scale 9 and the second graduated scale 11, so that the width of the gap can be measured through the lenses.
The working principle is as follows: when the device is installed and used, the installation clamping groove 2 is formed in the rear side of the lower end face of the measurement box 1, the device can be conveniently clamped at the edge of a workpiece due to the right angle, then the through hole 5 is formed in the measurement box 1 in a penetrating mode through the upper end face and the lower end face, the limiting plate 6 is fixedly connected between the inner walls of the left side and the right side of the through hole 5, the knife edge angle ruler groove 7 is formed between the limiting plate 6 and the inner wall of the rear side of the through hole 5, the fixing oblique blocks 8 are arranged on the front inner wall and the rear inner wall of the knife edge angle ruler groove 7, the knife edge angle ruler can be conveniently clamped and fixed when being installed in the knife edge angle ruler groove, then the first graduated scale 9 is installed at the lower end of the front side of the limiting plate 6, and after the installation clamping groove 2 formed in the measurement box 1 is aligned with the edge of the workpiece, the knife edge angle ruler slides down in the knife edge angle ruler groove 7 until the knife edge angle ruler is abutted against the surface of the workpiece, and at the lower end of the knife edge angle ruler is abutted against the upper inner wall of the installation clamping groove 2 at the moment, The lower end of the limiting plate 6 is in a parallel and level state, when the surface of a workpiece is not flat enough and cannot form a straight line, a gap is formed between the lower end of the knife edge angle square and the lower end of the knife edge angle square, at the moment, the workpiece can pass through a graduated scale arranged on the limiting plate 6 arranged on the front side of the knife edge angle square, the workpiece is generally measured sequentially along one direction during specific measurement, the position where the gap is formed can be measured and determined, the LED lamp strip 10 is further arranged on the inner wall of the rear side of the chamfer groove 3, therefore, illumination can be carried out in a shading environment to facilitate observation, and the lower end of the rear side face of the measuring box 1 is also provided with a graduated scale II 11, so that the position of the gap can be conveniently observed through the rear side; through all having seted up observation lens cone 4 about measuring box 1 leading flank, and movable mounting has lens 12 in observation lens cone 4, is provided with the scale on lens 12 to and the scale of lens and scale one 9, scale two 11 corresponds mutually, can measure the width that produces the clearance through lens like this.
Claims (6)
1. The utility model provides a portable straightness accuracy measuring device, is including measuring box (1), measures box (1) lower extreme face rear side and opens and be equipped with installation slot (2), and installation slot (2) last inner wall seted up chamfer groove (3), a serial communication port, it all runs through and is provided with observation lens cone (4) to measure box (1) leading flank left and right sides, measuring box (1) upper and lower extreme face runs through seted up through-hole (5), fixedly connected with limiting plate (6) between the left and right sides inner wall of through-hole (5), be provided with knife edge angle chi groove (7) between the rear side inner wall of limiting plate (6) and through-hole (5), the equal fixedly connected with of inner wall fixes sloping block (8) around knife edge angle chi groove (7), the leading flank lower extreme fixed mounting of limiting plate (6) has scale one (9), the rear side inner wall of chamfer groove (3) and measuring box (1) trailing flank lower extreme are equallyd divide and do not are provided with LED lamp strip (10) and scale two (11) And a lens (12) is movably arranged in the observation lens cone (4).
2. The portable straightness measuring device of claim 1, wherein the mounting groove (2) is a right angle, and the lower end surface of the limiting plate (6) is flush with the upper inner wall of the mounting groove (2).
3. The portable linearity measuring device as claimed in claim 2, wherein the knife edge angle square is slidably disposed in the knife edge angle square groove (7), and the fixed inclined blocks (8) at the front and rear sides are obliquely disposed close to each other at the lower end of one side surface.
4. The portable linearity measuring device as claimed in claim 3, wherein the front and rear sides of the knife edge angle square are respectively jointed with the fixed inclined blocks (8) at the front and rear sides for blocking.
5. A portable straightness measuring device according to claim 3, wherein the lower end of the first graduated scale (9) is flush with the upper inner wall of the mounting slot (2).
6. The portable linearity measuring device of claim 1, wherein the lens (12) is provided with scales, and the scales on the lens (12) correspond to the scales on the first scale (9) and the second scale (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220240286.0U CN216815370U (en) | 2022-01-28 | 2022-01-28 | Portable straightness measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220240286.0U CN216815370U (en) | 2022-01-28 | 2022-01-28 | Portable straightness measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216815370U true CN216815370U (en) | 2022-06-24 |
Family
ID=82066912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220240286.0U Expired - Fee Related CN216815370U (en) | 2022-01-28 | 2022-01-28 | Portable straightness measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216815370U (en) |
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2022
- 2022-01-28 CN CN202220240286.0U patent/CN216815370U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20220624 |