CN215865166U

CN215865166U - Flatness measuring head for measuring instrument

Info

Publication number: CN215865166U
Application number: CN202121707895.4U
Authority: CN
Inventors: 朱卫民; 李蔚森
Original assignee: Ma'anshan Hengrui Measure Equipment Co ltd
Current assignee: Ma'anshan Hengrui Measure Equipment Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2022-02-18
Anticipated expiration: 2031-07-27

Abstract

The utility model discloses a flatness measuring head for a measuring instrument, which comprises a measuring head, wherein a plurality of first through holes are vertically arranged in the middle of the measuring head, second through holes are transversely arranged on two sides of the measuring head, a spring is arranged in each first through hole, one end of each spring is connected with a touch plate, the touch plate is arranged at the upper end of each through hole, the width of the touch plate is larger than that of each first through hole, the other end of each spring is connected with a contact, and one end of each contact penetrates out of the lower end of each first through hole; according to the utility model, the flatness of the surface of the workpiece can be sensed more finely through the design of the plurality of contacts, which uneven part of the workpiece can be measured accurately, and the measurement precision is greatly improved.

Description

Flatness measuring head for measuring instrument

Technical Field

The utility model relates to the technical field of measuring instruments, in particular to a flatness measuring head for a measuring instrument.

Background

The measuring instrument is equipment for detecting the qualified rate of a product coating in the current production process, and mainly comprises a mounting bracket, a control cabinet and the like, wherein the mounting bracket is provided with a measuring head and a workbench; in the prior art, when a workpiece is detected, the surface of the workpiece needs to be ensured to be clean so as to prevent dust and impurities on the surface from influencing a detection result and further reduce the measurement precision, and the surface of the workpiece is generally cleaned manually in the case, which wastes time and labor; and a common measuring head on the market at present only has a single contact, the contact surface with a workpiece is small, errors exist in measurement, and the measurement precision is greatly reduced.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a flatness measuring head for a measuring instrument, so as to solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a flatness measuring head for a measuring instrument comprises a measuring head, wherein a plurality of first through holes are vertically arranged in the middle of the measuring head, second through holes are transversely arranged on two sides of the measuring head, a spring is arranged in each first through hole, one end of each spring is connected with a touch plate, the touch plate is arranged at the upper end of each through hole and is wider than the first through hole, the other end of each spring is connected with a contact, and one end of each contact penetrates out of the lower end of the corresponding first through hole;

the lower extreme of second through-hole is equipped with fan-shaped opening, the both ends of second through-hole all are equipped with supplementary rotatory ring, every all be equipped with the draw-in groove in the supplementary rotatory ring, it has jet-propelled pipe to run through in the second through-hole, jet-propelled pipe's both ends all are equipped with the snap ring, both ends the snap ring imbed respectively in the corresponding draw-in groove, be equipped with a plurality of fan-shaped nozzle on the jet-propelled pipe, fan-shaped nozzle is corresponding fan-shaped opening, the air duct is being connected to jet-propelled pipe's inlet end, jet-propelled pipe's end-to-end connection small-size rotating electrical machines.

Preferably, the upper ends of the first through holes are covered with a shell, an induction touch panel is arranged in the shell and is connected with a sensor through a signal line, an air blowing device is further arranged in the shell, and the air guide tube penetrates through the shell and is connected with the air blowing device.

Preferably, the casing top is equipped with the installation piece, the inside of installation piece is equipped with control bus, sensor, gas blowing device and small-size rotating electrical machines all are connected with control bus through the signal line.

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

the special blowing device can provide high-pressure gas, the high-pressure gas enters the gas injection pipe through the gas guide pipe and is sprayed out of the fan-shaped nozzle, and then dust and impurities on the surface of a workpiece to be measured can be blown away completely, so that the cleanliness of the workpiece is improved, and the measurement accuracy is also improved; the air injection pipe can be rotated by a small-sized rotating motor, and the fan-shaped nozzle can rotate in a small radian along the fan-shaped opening in the rotating process, so that the ash removal area is increased, dust on the surface of a workpiece is comprehensively cleaned, and the cleaning area can be increased by the adopted fan-shaped nozzle;

according to the utility model, the flatness of the surface of the workpiece can be more finely sensed through the design of the plurality of contacts, which uneven part of the workpiece can be accurately measured, and the measurement precision is greatly improved; when the sensor is subjected to measured information, the sensed information can be converted into an electric signal or information in other required forms to be output according to a certain rule.

Drawings

FIG. 1 is a schematic cross-sectional view of a measuring head according to the present invention;

FIG. 2 is a partial structural schematic view of a gas lance according to the present invention.

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.

Referring to fig. 1, the present invention provides a technical solution: a flatness measuring head for a measuring instrument comprises a measuring head 1, wherein a plurality of first through holes 2 are vertically arranged in the middle of the measuring head 1, second through holes 3 are transversely arranged on two sides of the measuring head 1, a spring 21 is arranged in each first through hole 2, one end of each spring 21 is connected with a touch plate 22, the touch plate 22 is arranged at the upper end of each first through hole 2 and is wider than the first through hole 2, the other end of each spring 21 is connected with a contact 23, one end of each contact 23 penetrates out of the lower end of each first through hole 2, when an uneven surface is met in a detection process, the contacts at uneven positions can be extruded into the first through holes, and meanwhile, the springs can push the touch plates upwards;

the lower end of the second through hole 3 is provided with a fan-shaped opening 31, two ends of the second through hole 3 are both provided with auxiliary rotating rings 32, the auxiliary rotating rings are used for assisting the jet pipe to rotate in a small radian, each auxiliary rotating ring 32 is internally provided with a clamping groove 321, two ends of the jet pipe 33 are both provided with clamping rings 331, the clamping rings 331 at the two ends are respectively embedded into the corresponding clamping grooves 321, the jet pipe 33 penetrates through the second through hole 3, the structure design can be adopted to enable the jet pipe to be more stable during rotation, the jet pipe 33 is provided with a plurality of fan-shaped nozzles 332, the adopted fan-shaped nozzles can improve the cleaning area, the fan-shaped nozzles 332 correspond to the fan-shaped openings 31 to facilitate the ejection of gas from the openings, the gas inlet end of the jet pipe 33 is connected with a gas guide tube 34, the gas enters the jet pipe from the gas guide tube, and the tail end of the jet pipe 33 is connected with a small-sized rotating motor 35, the air injection pipe can be rotated by a small-sized rotating motor, and the fan-shaped nozzle can rotate along the fan-shaped opening in a small radian in the rotating process, so that the ash removal area is increased.

In this embodiment, the upper ends of the first through holes 2 are covered with a housing 4, an inductive touch pad 41 is arranged in the housing 4 for contact induction, the inductive touch pad 41 is connected to a sensor 42 through a signal line, when the touch pad is in contact with the inductive touch pad, an inductive signal is transmitted to the sensor, and when the sensor receives measured information, the sensed information is converted into an electrical signal or other information in a required form according to a certain rule and is output;

an air blowing device 43 is further arranged in the shell 4 and can provide high-pressure air, the air guide pipe 34 penetrates through the shell and is connected with the air blowing device 43, and the high-pressure air provided by the air guide pipe is conveyed through the air guide pipe.

In this embodiment, a mounting block 44 is disposed above the housing 4, the mounting block is used for being fixed to a mounting bracket of the measuring instrument, a control bus 45 is disposed inside the mounting block 44, after the measuring head is mounted on the mounting bracket, the control bus is connected to a control cabinet of the measuring instrument, the sensor 42, the blowing device 43 and the small-sized rotating motor 35 are all connected to the control bus 45 through signal lines, the control cabinet is used for transmitting control signals to control the corresponding sensor, blowing device and small-sized rotating motor, and meanwhile, the measurement signals fed back by the sensor are also received by the control cabinet.

The working principle is as follows: firstly, a measuring head is arranged on a mounting bracket of a measuring instrument, then a control bus is connected with a control cabinet of the measuring instrument, then the surface of a workpiece is aligned with the measuring head, a blowing device is started firstly, high-pressure gas can be provided and enters a gas injection pipe through a gas guide pipe, and simultaneously a small-sized rotating motor is started to rotate the gas injection pipe, so that a fan-shaped nozzle can rotate and inject gas at the same time, and dust and impurities on the surface of the workpiece to be measured can be blown away completely;

after dust and impurities are clear, the measuring head is attached to the surface of a workpiece tightly, surface flatness is measured, when the surface is uneven, a contact at the uneven position can be extruded into the first through hole, meanwhile, the contact plate can be pushed upwards by the spring, after the contact plate is contacted with the induction contact plate, induction signals can be conveyed to the sensor, when the sensor receives measured information, the sensed information can be converted into electric signals or information output in other required forms according to a certain rule, and the electric signals or the information output is finally transmitted to a control cabinet of the measuring instrument and displayed through a display.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a roughness measuring head for measuring apparatu, includes measuring head (1), its characterized in that: the middle of the measuring head (1) is vertically provided with a plurality of first through holes (2), two sides of the measuring head (1) are transversely provided with second through holes (3), each first through hole (2) is internally provided with a spring (21), one end of each spring (21) is connected with a touch plate (22), each touch plate (22) is arranged at the upper end of the corresponding first through hole (2) and is wider than the corresponding first through hole (2), the other end of each spring (21) is connected with a contact (23), and one end of each contact (23) penetrates out of the lower end of the corresponding first through hole (2);

the lower extreme of second through-hole (3) is equipped with fan-shaped opening (31), the both ends of second through-hole (3) all are equipped with supplementary rotatory ring (32), every all be equipped with draw-in groove (321) in supplementary rotatory ring (32), run through in second through-hole (3) jet-propelled pipe (33), the both ends of jet-propelled pipe (33) all are equipped with snap ring (331), both ends snap ring (331) imbed respectively in corresponding draw-in groove (321), be equipped with a plurality of fan-shaped nozzle (332) on jet-propelled pipe (33), fan-shaped nozzle (332) are corresponding fan-shaped opening (31), air duct (34) are being connected to the inlet end of jet-propelled pipe (33), small-size rotating electrical machines (35) are being connected to the end of jet-propelled pipe (33).

2. A flatness measuring head for a measuring instrument according to claim 1, characterized in that: a plurality of the upper end of the first through hole (2) is covered with a shell (4), an induction touch panel (41) is arranged in the shell (4), the induction touch panel (41) is connected with a sensor (42) through a signal line, an air blowing device (43) is further arranged in the shell (4), and the air guide pipe (34) penetrates through the shell and is connected with the air blowing device (43).

3. A flatness measuring head for a measuring instrument according to claim 2, characterized in that: the improved air blowing device is characterized in that an installation block (44) is arranged above the shell (4), a control bus (45) is arranged inside the installation block (44), and the sensor (42), the air blowing device (43) and the small rotating motor (35) are all connected with the control bus (45) through signal lines.