CN217687120U

CN217687120U - Flatness measuring device

Info

Publication number: CN217687120U
Application number: CN202220927194.XU
Authority: CN
Inventors: 高震
Original assignee: Zibo Uto Intelligent Technology Co ltd
Current assignee: Zibo Uto Intelligent Technology Co ltd
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2022-10-28
Anticipated expiration: 2032-04-21

Abstract

The utility model belongs to the measuring instrument field, concretely relates to roughness measuring device, its characterized in that: the device comprises a display device, a shell and a measuring instrument fixed in the shell, wherein a probe penetrates through the center of the measuring instrument and can vertically move up and down in the measuring instrument and reset; the photoelectric sensing probe is characterized by also comprising a control circuit board fixed on one side of the measuring instrument, wherein a photoelectric sensing sensor is arranged on one side of the control circuit board facing the measuring instrument, a light shielding plate corresponding to the photoelectric sensing sensor is fixed on the probe, and the light shielding plate can move up and down along with the probe; the control circuit board is electrically connected with the display device, and the control circuit board can convert the displacement of the shading plate into a numerical value to be displayed on the display device. The utility model discloses rational in infrastructure, measuring result is directly perceived, reliable.

Description

Flatness measuring device

Technical Field

The utility model belongs to the measuring instrument field, concretely relates to roughness measuring device.

Background

Flatness measuring apparatu is the instrument that many fields all can use, for example when utilizing the cutter to carry out leather or cloth and tailor, because tailor the raw materials and take place the fold easily to lead to tailorring the size and often appearing the error, consequently need the flatness measuring apparatu to guarantee the platform of tailorring of cutter and tailor the raw materials and be in the horizontality. The existing flatness measuring instrument is too complex in structure and is relatively complex in production, processing and use; or the structure is too simple, and the measurement result cannot be visually displayed.

Disclosure of Invention

The to-be-solved technical problem of the utility model is: the defects in the prior art are overcome, and the flatness measuring device is reasonable in structure and visual and reliable in measuring result.

The utility model provides a technical scheme that its technical problem adopted is: a flatness measuring device is characterized in that: the device comprises a display device, a shell and a measuring instrument fixed in the shell, wherein a probe penetrates through the center of the measuring instrument and can vertically move up and down in the measuring instrument and reset; the photoelectric sensing probe is characterized by also comprising a control circuit board fixed on one side of the measuring instrument, wherein one side of the control circuit board, which faces the measuring instrument, is provided with a photoelectric sensing sensor, and a light shielding plate corresponding to the photoelectric sensing sensor is fixed on the probe and can move up and down along with the probe; the control circuit board is electrically connected with the display device, and the control circuit board can convert the displacement of the shading plate into a numerical value to be displayed on the display device.

Furthermore, a spring fixing column is fixed on the probe, and a return spring is connected between the spring fixing column and the bottom of the measuring instrument.

Furthermore, be fixed with vertical guide rail on the measuring apparatu lateral wall, be fixed with the sliding block on the probe, the sliding block can slide from top to bottom in vertical guide rail.

Furthermore, a vertical guide sleeve is fixedly arranged at the center of the bottom of the measuring instrument, and the probe penetrates through the guide sleeve and can slide up and down in the guide sleeve.

Furthermore, a probe fixing plate parallel to the bottom of the measuring instrument is arranged in the measuring instrument, through holes corresponding in position are formed in the probe fixing plate and the bottom of the measuring instrument, a guide block penetrates through the through holes, and the probe slides up and down in the guide block.

Furthermore, a probe fixing seat is fixedly arranged on the shading plate, and the probe is fixed in the probe fixing seat.

Furthermore, a mounting seat is fixedly arranged outside the upper end of the shell.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in set up the probe that can vertically reciprocate at the measuring apparatu center, fixed light screen on the probe, the measuring apparatu lateral wall is provided with the photoelectric sensing sensor who corresponds with the light screen, and when the probe reciprocated, the light screen was followed and is reciprocated, and photoelectric sensing sensor passes through the control circuit board with the displacement data of light screen and reacts on display device, can very audio-visual displacement degree that embodies the probe to audio-visual performance planar roughness that awaits measuring, measuring result is more reliable.

2. In the utility model, a vertical guide rail is fixed on the side wall of the measuring instrument, a sliding block is fixed on the probe, and the moving track of the probe is limited by the sliding of the sliding block in the vertical guide rail; meanwhile, the center of the bottom of the measuring instrument is fixedly provided with a vertical guide sleeve, a probe fixing plate and a through hole corresponding to the bottom of the measuring instrument, a guide block penetrates through the through hole, the structure of the guide sleeve and the structure of the guide block limit that the probe vertically moves up and down all the time, and the accuracy and the reliability of flatness measurement are further guaranteed.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural diagram of the measuring instrument of the present invention;

FIG. 3 isbase:Sub>A schematic cross-sectional view A-A of FIG. 2;

FIG. 4 is a schematic view of the structure of FIG. 2 along direction B;

fig. 5 is a schematic view of the structure of the measuring instrument in the probe ascending state.

Labeled as:

1. a housing; 2. a measuring instrument; 3. a display device; 4. a probe; 5. a probe fixing plate; 6. a guide block; 7. a guide sleeve; 8. a vertical guide rail; 9. a slider; 10. a spring fixing column; 11. a return spring; 12. a control circuit board; 13. a visor; 14. a probe fixing seat; 15. and (7) mounting a seat.

Detailed Description

The invention is further described with reference to the following embodiments:

as shown in fig. 1-5, the utility model provides a flatness measuring device, including display device 3, casing 1 and the measuring apparatu 2 of fixing in casing 1, probe 4 is worn to be equipped with in the center of measuring apparatu 2. The measuring instrument 2 is internally provided with a probe fixing plate 5 parallel to the bottom of the measuring instrument 2, the bottoms of the probe fixing plate 5 and the measuring instrument 2 are provided with through holes corresponding in position, a guide block 6 penetrates through the through holes, the center of the bottom of the measuring instrument 2 is fixedly provided with a vertical guide sleeve 7, and the probe 4 penetrates through the guide block 6 and the guide sleeve 7 and can slide up and down in the guide block 6 and the guide sleeve 7. A vertical guide rail 8 is fixed on the side wall of the measuring instrument 2, a sliding block 9 is fixed on the probe 4, and the sliding block 9 can slide up and down in the vertical guide rail 8. A spring fixing column 10 is fixed on the probe 4, a return spring 11 is connected between the spring fixing column 10 and the bottom of the measuring instrument 2, and the return spring 11 can ensure that the probe 4 automatically returns to an initial position after moving upwards.

A control circuit board 12 is fixed on one side of the measuring instrument 2, a photoelectric induction sensor is arranged on one side, facing the measuring instrument 2, of the control circuit board 12, a light shielding plate 13 corresponding to the photoelectric induction sensor is fixed on the probe 4, a probe fixing seat 14 is fixedly arranged on the light shielding plate 13, the probe 4 is fixed in the probe fixing seat 14, and the light shielding plate 13 can move up and down along with the probe 4. The control circuit board 12 is electrically connected with the display device 3, and the control circuit board 12 can convert the displacement of the shading plate 13 into a numerical value to be displayed on the display device 3.

The fixed mount pad 15 that is provided with in casing 1 upper end outside, accessible mount pad 15 will the utility model discloses the installation is fixed on the equipment that awaits measuring.

The utility model discloses a theory of operation and concrete implementation mode:

will the utility model discloses the installation is fixed on the equipment that awaits measuring, for example near cutter platform, makes 4 terminal contacts the plane that awaits measuring just of probe, and display device 3 shows that numerical value is zero this moment. Subsequently cutter control the utility model discloses horizontal migration, when the plane of awaiting measuring has the fold protruding, probe 4 is obstructed and upward movement, and light screen 13 rebound thereupon, and photoelectric sensing sensor transmits the displacement signal of light screen 13 for control circuit board 12 immediately, and control circuit board 12 shows this displacement signal through the form of numerical value on display device 3 to the expression test plane's that can be accurate roughness information. The reset spring 11 can always ensure that the tail end of the probe 4 is arranged on a test plane, and the stability and the reliability of the flatness test are ensured.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification of the above embodiments according to the technical spirit of the present invention are possible without departing from the technical contents of the present invention.

Claims

1. A flatness measuring device is characterized in that: the device comprises a display device, a shell and a measuring instrument fixed in the shell, wherein a probe penetrates through the center of the measuring instrument and can vertically move up and down in the measuring instrument and reset; the photoelectric sensing probe is characterized by also comprising a control circuit board fixed on one side of the measuring instrument, wherein one side of the control circuit board, which faces the measuring instrument, is provided with a photoelectric sensing sensor, and a light shielding plate corresponding to the photoelectric sensing sensor is fixed on the probe and can move up and down along with the probe; the control circuit board is electrically connected with the display device, and the control circuit board can convert the displacement of the shading plate into a numerical value to be displayed on the display device.

2. The flatness measuring apparatus according to claim 1, wherein: a spring fixing column is fixed on the probe, and a return spring is connected between the spring fixing column and the bottom of the measuring instrument.

3. A flatness measuring device according to claim 2, wherein: a vertical guide rail is fixed on the side wall of the measuring instrument, a sliding block is fixed on the probe, and the sliding block can slide up and down in the vertical guide rail.

4. A flatness measuring device according to claim 3, wherein: the center of the bottom of the measuring instrument is fixedly provided with a vertical guide sleeve, and the probe penetrates through the guide sleeve and can slide up and down in the guide sleeve.

5. A flatness measuring device according to claim 4, wherein: the probe fixing plate is arranged in the measuring instrument and parallel to the bottom of the measuring instrument, through holes corresponding in position are formed in the probe fixing plate and the bottom of the measuring instrument, a guide block penetrates through the through holes, and the probe slides up and down in the guide block.

6. A flatness measuring device according to claim 5, wherein: the light shielding plate is fixedly provided with a probe fixing seat, and the probe is fixed in the probe fixing seat.

7. A flatness measuring device according to any one of claims 1-6, characterized in that: and a mounting seat is fixedly arranged outside the upper end of the shell.