阅读说明：本技术 一种用于自动检测磁铁表磁与极性的设备 (Equipment for automatically detecting surface magnetism and polarity of magnet ) 是由 陈亮 罗广平 刘向阳 董亿贵 刘飞阳 于 2021-08-27 设计创作，主要内容包括：本发明涉及磁铁检测技术领域,尤其是指一种用于自动检测磁铁表磁与极性的设备,包括检测装置、检测座以及顶盖,所述检测座内设置有用于装载磁铁的检测槽,所述检测内间隔设置有多个霍尔结构,多个霍尔结构均与所述检测装置电连接；所述顶盖转动设置于所述检测座,所述顶盖用于在检测时遮盖磁铁。本发明通过设置有检测槽,用于容纳多个装配在一胶条上的磁铁,并通过各霍尔结构分别对各磁铁进行检测,从而实现了一次性多多个磁铁进行检测的效果,提升了效率。(The invention relates to the technical field of magnet detection, in particular to equipment for automatically detecting surface magnetism and polarity of a magnet, which comprises a detection device, a detection seat and a top cover, wherein a detection groove for loading the magnet is arranged in the detection seat, a plurality of Hall structures are arranged in the detection seat at intervals, and the Hall structures are electrically connected with the detection device; the top cap rotate set up in detect the seat, the top cap is used for hiding magnet when detecting. The detection groove is arranged for accommodating a plurality of magnets assembled on the adhesive tape, and the Hall structures are used for respectively detecting the magnets, so that the effect of detecting a plurality of magnets at one time is realized, and the efficiency is improved.)

1. An apparatus for automatically detecting magnetism and polarity of a magnet surface, comprising: the detection device comprises a detection device, a detection seat and a top cover, wherein a detection groove for loading a magnet is arranged in the detection seat, a plurality of Hall structures are arranged in the detection seat at intervals, and the Hall structures are all electrically connected with the detection device; the top cover is rotatably arranged on the detection seat and used for covering the magnet during detection; the bottom of top cap is provided with the conflict piece of being made by the flexible glue, conflict piece is used for conflicting magnet in order to fix a position.

2. The apparatus for automatically detecting surface magnetism and polarity of a magnet according to claim 1, wherein: a plurality of spacing parts are arranged in the detection tank at intervals, the spacing parts are used for dividing the detection tank into a plurality of detection rooms, and the plurality of Hall structures and the plurality of detection rooms are arranged in a one-to-one correspondence manner;

a negative pressure hole is formed in the detection room, the negative pressure hole is used for being externally connected with a negative pressure air source, and the negative pressure hole is used for sucking the magnet to perform positioning.

3. The apparatus for automatically detecting surface magnetism and polarity of a magnet according to claim 1, wherein: the one end of detecting the seat with the top cap rotates to be connected, the other end of detecting the seat is provided with the locating hole, the top cap is provided with the reference column, the reference column is used for inserting realize the location of top cap in the locating hole.

4. The apparatus for automatically detecting surface magnetism and polarity of a magnet according to claim 3, wherein: the detection seat is provided with a mounting hole, a guide sleeve is arranged in the mounting hole, and the positioning column is movably arranged in the guide sleeve; the positioning column is provided with a limiting structure, and the limiting structure is used for preventing the positioning column from separating from the guide sleeve.

5. The apparatus for automatically detecting surface magnetism and polarity of a magnet according to claim 3, wherein: two sides of the positioning hole are respectively communicated with a limiting groove, and the limiting grooves are positioned in the detection seat; an elastic piece is arranged in the positioning hole, a pressing piece is arranged on the elastic piece, and the pressing piece is used for abutting against the positioning column; the positioning column is movably arranged on the top cover, two sides of the positioning column are respectively provided with a limiting part, and the limiting parts are inserted into the positioning holes and then are used for rotating into the limiting grooves to realize the fixed locking of the top cover;

a telescopic structure is further arranged in the positioning hole and comprises a fixed sleeve and a telescopic piece, the fixed sleeve is arranged in the positioning hole, the telescopic piece is movably arranged on the fixed sleeve, and the telescopic piece is connected with the bottom of the pressing piece; the top of fixed cover is provided with first spacing portion, the extensible member is provided with the spacing portion of second, the spacing portion of second is located in the fixed cover and be used for with conflict of first spacing portion.

6. The apparatus for automatically detecting surface magnetism and polarity of a magnet according to claim 1, wherein: the Hall structure is electrically connected with the detection device through the control switch, and the control switch is used for controlling the on-off of the Hall structure.

7. The apparatus for automatically detecting surface magnetism and polarity of a magnet according to claim 1, wherein: the Hall structure comprises a change-over switch, a first Hall sensor and a second Hall sensor, wherein the first Hall sensor and the second Hall sensor are respectively arranged on two sides of the detection groove, and the change-over switch is used for controlling the detection device to be electrically communicated with the first Hall sensor or the second Hall sensor.

8. The apparatus for automatically detecting surface magnetism and polarity of a magnet according to claim 7, wherein: the change-over switch comprises a body, a fixed end and two switching ends, wherein one end of the body is movably arranged at the fixed end, the other end of the body is used for abutting against one of the switching ends, the first Hall sensor and the second Hall sensor are respectively connected with the two switching ends, and the fixed end is electrically connected with the detection device.

9. The apparatus for automatically detecting surface magnetism and polarity of a magnet according to claim 7, wherein: the change-over switch comprises an MCU and two switch tubes, the MCU is in signal connection with the detection device, and the MCU is respectively connected with the first Hall sensor and the second Hall sensor through the two switch tubes.

10. The apparatus for automatically detecting surface magnetism and polarity of a magnet according to claim 1, wherein: still including moving material mechanism, it includes material moving seat, drive unit, picks up unit and shooting unit to move material mechanism, pick up the unit with shooting unit all install in material moving seat, drive unit is used for the drive move the material seat and remove, it is used for getting and puts magnet to pick up the unit, shoot the unit be used for discerning magnet and detect the position in groove.

Technical Field

The invention relates to the technical field of magnet detection, in particular to equipment for automatically detecting surface magnetism and polarity of a magnet.

Background

After the magnet is manufactured, the polarity and the surface magnetism are required to be detected. The current mode that detects to polarity and table magnetism is held detection device for the user usually and is contacted respectively with the reading the both ends of magnet, and obviously efficiency is lower, is unfavorable for detecting in batches to the magnet.

Disclosure of Invention

The invention provides a device for automatically detecting surface magnetism and polarity of a magnet aiming at the problems in the prior art, which can realize one-time detection of a plurality of magnets.

In order to solve the technical problems, the invention adopts the following technical scheme:

the invention provides equipment for automatically detecting surface magnetism and polarity of a magnet, which comprises a detection device, a detection seat and a top cover, wherein a detection groove for loading the magnet is arranged in the detection seat, a plurality of Hall structures are arranged in the detection seat at intervals, and the Hall structures are electrically connected with the detection device; the top cover is rotatably arranged on the detection seat and used for covering the magnet during detection; the bottom of top cap is provided with the conflict piece of being made by the flexible glue, conflict piece is used for conflicting magnet in order to fix a position.

Furthermore, a plurality of spacing parts are arranged in the detection tank at intervals, the spacing parts are used for dividing the detection tank into a plurality of detection rooms, and the plurality of Hall structures are arranged in one-to-one correspondence with the plurality of detection rooms;

a negative pressure hole is formed in the detection room, the negative pressure hole is used for being externally connected with a negative pressure air source, and the negative pressure hole is used for sucking the magnet to perform positioning.

Furthermore, the one end of detecting the seat with the top cap rotates and is connected, the other end of detecting the seat is provided with the locating hole, the top cap is provided with the reference column, the reference column is used for inserting realize the location of top cap in the locating hole.

Furthermore, the detection seat is provided with a mounting hole, a guide sleeve is arranged in the mounting hole, and the positioning column is movably arranged in the guide sleeve; the positioning column is provided with a limiting structure, and the limiting structure is used for preventing the positioning column from separating from the guide sleeve.

Furthermore, two sides of the positioning hole are respectively communicated with a limiting groove, and the limiting grooves are positioned in the detection seat; an elastic piece is arranged in the positioning hole, a pressing piece is arranged on the elastic piece, and the pressing piece is used for abutting against the positioning column; the positioning column is movably arranged on the top cover, limiting parts are respectively arranged on two sides of the positioning column, and the limiting parts are inserted into the positioning holes and then are used for rotating into the limiting grooves to realize the fixed locking of the top cover.

Furthermore, a telescopic structure is arranged in the positioning hole and comprises a fixed sleeve and a telescopic piece, the fixed sleeve is arranged in the positioning hole, the telescopic piece is movably arranged on the fixed sleeve, and the telescopic piece is connected with the bottom of the pressing piece; the top of fixed cover is provided with first spacing portion, the extensible member is provided with the spacing portion of second, the spacing portion of second is located in the fixed cover and be used for with conflict of first spacing portion.

The Hall structure is electrically connected with the detection device through the control switch, and the control switch is used for controlling the on-off of the Hall structure.

Furthermore, the Hall structure comprises a change-over switch, a first Hall sensor and a second Hall sensor, wherein the first Hall sensor and the second Hall sensor are respectively arranged on two sides of the detection groove, and the change-over switch is used for controlling the detection device to be electrically communicated with the first Hall sensor or the second Hall sensor.

Furthermore, the change-over switch comprises a body, a fixed end and two switching ends, wherein one end of the body is movably arranged on the fixed end, the other end of the body is used for abutting against one of the switching ends, the first Hall sensor and the second Hall sensor are respectively connected with the two switching ends, and the fixed end is electrically connected with the detection device;

further, the change-over switch comprises an MCU and two switch tubes, the MCU is in signal connection with the detection device, and the MCU is respectively connected with the first Hall sensor and the second Hall sensor through the two switch tubes.

Further, still including moving material mechanism, it includes material moving seat, drive unit, picks up unit and shooting unit to move material mechanism, pick up the unit with shooting unit all install in material moving seat, drive unit is used for the drive material moving seat removes, it is used for getting and puts magnet to pick up the unit, shooting unit be used for discernment magnet and detect the position in groove.

The invention has the beneficial effects that: the detection groove is arranged for accommodating a plurality of magnets assembled on the adhesive tape, and the Hall structures are used for respectively detecting the magnets, so that the effect of detecting a plurality of magnets at one time is realized, and the efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of the present invention.

FIG. 2 is a schematic view of the test socket of the present invention.

FIG. 3 is an internal structural view of the inspection room of the present invention.

Fig. 4 is an internal structure view of the pilot hole of the present invention.

Fig. 5 is a wiring diagram of the hall structure of the present invention.

FIG. 6 is a schematic view of the engagement between the adhesive tape and the magnet according to the present invention.

Reference numerals: 1-detection device, 2-detection seat, 3-top cover, 4-hall structure, 5-telescopic structure, 6-material moving mechanism, 7-control switch, 8-rubber strip, 9-magnet, 21-detection groove, 22-spacing body, 23-negative pressure hole, 24-locating hole, 25-spacing groove, 26-elastic member, 27-pressing member, 28-detection room, 31-locating column, 32-spacing part, 33-abutting part, 34-guide sleeve, 35-spacing structure, 41-change-over switch, 42-first hall sensor, 43-second hall sensor, 44-body, 45-fixed end, 46-change-over end, 51-fixed sleeve, 52-telescopic member, 53-first spacing part, 54-second spacing part, 61-material moving seat, 62-driving unit, 63-picking-up unit, 64-shooting unit, 65-solenoid valve, 66-sucking disc, 81-number, 82-negative pressure identification part.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention is described in detail below with reference to the attached drawings.

As shown in fig. 1 to 6, the apparatus for automatically detecting surface magnetism and polarity of a magnet provided by the present invention comprises a detection device 1, a detection seat 2 and a top cover 3, wherein a detection groove 21 for loading a magnet 9 is arranged in the detection seat 2, a plurality of hall structures 4 are arranged in the detection seat at intervals, and the plurality of hall structures 4 are all electrically connected with the detection device 1; the top cover 3 is rotatably arranged on the detection seat 2, and the top cover 3 is used for covering the magnet 9 during detection.

When the magnetic detection device is actually used, the contact piece 33 made of soft rubber is arranged at the bottom of the top cover 3, namely, when detection is needed, the magnetic strip is firstly installed on the adhesive tape 8, and then the adhesive tape 8 is placed in the detection groove 21, so that the magnet 9 is positioned in the detection groove 21 and is positioned at a position where the Hall structure 4 can detect; then control top cap 3 and rotate and make top cap 3 cover and detect seat 2, let conflict piece 33 and adhesive tape 8 conflict and guarantee that magnet 9 can not take place the skew, control detection device 1 work afterwards for detection device 1 passes through the polarity and the table magnetism of 4 test individual magnets 9 of hall structure, has reached the effect that once only detects a plurality of magnets 9, has promoted efficiency.

Specifically, the detection device 1 is provided with a display screen for displaying the magnetic flux of the detection magnet 9 corresponding to each hall structure 4, and when the magnetic flux is qualified (i.e. within a set range), a corresponding icon is lighted, and one side of the icon can display a corresponding detection value, so that a user can visually know the detection structure, and subsequent recording and adjustment are facilitated.

In this embodiment, a plurality of spacers 22 are spaced apart from each other in the detection tank 21, the plurality of spacers 22 are used to divide the detection tank 21 into a plurality of detection compartments 28, and the plurality of hall structures 4 are provided in one-to-one correspondence with the plurality of detection compartments 28. I.e. each inspection room 28 is used to house one magnet 9, the spacer 22 can be made of a material having a shielding magnetic field to ensure that the magnets 9 do not interfere with each other during the inspection process, thereby ensuring the accuracy of the inspection result.

Specifically, a negative pressure hole 23 is formed in the detection room 28, the negative pressure hole 23 is used for being externally connected with a negative pressure air source, and the negative pressure hole 23 is used for sucking the magnet 9 for positioning. After magnet 9 put into measuring room 28 promptly, it aims at negative pressure hole 23 just, and the negative pressure gas is inputed through external negative pressure air supply this moment to attract magnet 9 so that magnet 9 covers negative pressure hole 23, reached the location effect to magnet 9, when top cap 3 covers and detects seat 2 promptly, detect seat 2 and can not lead to unreliable pressfitting because of magnet 9 position is inaccurate, guaranteed safety.

In this embodiment, one end of the detection seat 2 is rotatably connected to the top cover 3, the other end of the detection seat 2 is provided with a positioning hole 24, the top cover 3 is provided with a positioning column 31, and the positioning column 31 is used for being inserted into the positioning hole 24 to position the top cover 3. After the top cover 3 covers the detection seat 2, the positioning cover of the top cover 3 is realized by inserting the positioning column 31 into the positioning hole 24, and the top cover 3 and the detection seat 2 are ensured to be aligned with each other without dislocation.

Specifically, the top cover 3 is provided with a mounting hole, a guide sleeve 34 is assembled in the mounting hole, and the positioning column 31 is movably arranged on the mounting sleeve 34; and reference column 31 is provided with limit structure 35, and limit structure is used for preventing that reference column 31 breaks away from uide bushing 34 to guaranteed that reference column 31 carries out the translation along its length direction, guaranteed the location effect.

Specifically, two sides of the positioning hole 24 are respectively communicated with a limiting groove 25, and the limiting groove 25 is located in the detection seat 2; an elastic member 26 is arranged in the positioning hole 24, a pressing member 27 is arranged on the elastic member 26, and the pressing member 27 is used for abutting against the positioning column 31; the positioning column 31 is movably arranged on the top cover 3, two sides of the positioning column 31 are respectively provided with a limiting part 32, and the limiting parts 32 are inserted into the positioning holes 24 and then used for rotating into the limiting grooves 25 to realize the fixed locking of the top cover 3. Preferably, the guide sleeve 34 is located between the positioning structure 35 and the limiting portion 32, so as to achieve the effect of limiting the stroke of the positioning column 31.

After closing top cap 3 promptly, insert locating column 31 locating hole 24, through reference column 31 extrusion pressing 27 downwards and make elastic component 26 compressed back, rotate reference column 31 and make spacing portion 32 get into spacing groove 25 in to the realization pins the effect, guaranteed that top cap 3 can push down magnet 9 all the time and guarantee that magnet 9 does not take place the skew in the testing process, makes the test effect more stable and accurate.

In addition, after the detection is finished, the worker only needs to screw the positioning column 31 to make the limiting portion 32 exit from the limiting groove 25, and the positioning column 31 can be bounced under the action of the elastic member 26, so that the user can open the top cover 3 conveniently.

In this embodiment, a telescopic structure 5 is further disposed in the positioning hole 24, the telescopic structure 5 includes a fixing sleeve 51 and a telescopic member 52, the fixing sleeve 51 is mounted in the positioning hole 24, the telescopic member 52 is movably disposed on the fixing sleeve 51, and the telescopic member 52 is connected to the bottom of the pressing member 27; the top of fixed cover 51 is provided with first spacing portion 53, extensible member 52 is provided with second spacing portion 54, second spacing portion 54 is located fixed cover 51 is interior and be used for with first spacing portion 53 is contradicted.

In practical use, the elastic member 26 is a spring, and the telescopic structure 5 is located in the spring to play a guiding role for the spring, so that the elastic member is ensured not to deviate when being deformed. The telescopic piece 52 also plays a role in guiding the pressing piece 27 to lift, so that the pressing piece 27 is prevented from shifting in the lifting process, and the reliability of action is ensured.

In this embodiment, the present invention further includes a material moving mechanism 6, where the material moving mechanism 6 includes a material moving base 61, a driving unit 62, a picking unit 63, and a shooting unit 64, the picking unit 63 and the shooting unit 64 are both mounted on the material moving base 61, the driving unit 62 is configured to drive the material moving base 61 to move, the picking unit 63 is configured to pick and place the magnet 9, and the shooting unit 64 is configured to identify the positions of the magnet 9 and the detection slot 21. The shooting unit 64 is in signal connection with the driving unit 62 and the detection device 1.

That is, in actual operation, the material moving mechanism 6 achieves the effect of automatically picking up the magnet 9 and placing the magnet 9 into the detection groove 21, so that the detection of the magnet 9 can be automatically completed by the present invention. The method specifically comprises the following steps: each adhesive tape 8 is marked with a corresponding number 81, and the number 81 can be a number or can be embodied in the form of a two-dimensional code and the like; the magnets 9 are arranged on the adhesive tape 8 at intervals, and each position where the magnets 9 are arranged is provided with an identification part 82; when picking up, the shooting unit 64 shoots an image and controls the driving unit 62 according to the image result, so that the material moving seat 61 is driven, and the material moving seat 61 can move to the magnet 9; after the picking unit 63 picks up the magnet 9, the magnet 9 is placed in the detection groove 21 through the material moving mechanism 6, and the positions of the magnet 9 and the detection groove 21 are identified by the shooting unit 64; after the detection is finished, the magnet 9 is still picked up by the material moving mechanism 6 and is moved out to the corresponding position, the detection result is stored in the detection device 1 at the moment, the result can be directly checked by a worker, and when the unqualified magnet 9 needs to be searched, the unqualified magnet can be accurately and efficiently searched according to the adhesive tape 8 serial number 81, the identification part 82 and other structures.

Specifically, the imaging unit 64 is preferably a device commonly used in an industrial camera, a CCD, and the like, and the driving mechanism is preferably a robot.

Specifically, the picking unit 63 includes a plurality of electromagnetic valves 65 and a plurality of negative pressure suckers 66, the plurality of electromagnetic valves 65 are connected with the plurality of negative pressure suckers 66 in a one-to-one correspondence manner, the negative pressure suckers 66 are used for being externally connected with a negative pressure air source through the electromagnetic valves 65, and the electromagnetic valves 65 are used for controlling the connection and disconnection between the negative pressure suckers 66 and the negative pressure air source; the negative pressure suction cup 66 is used to contact and pick up the magnet 9. Every solenoid valve 65 single control negative pressure suction cup 66, when needing to pick up adhesive tape 8 promptly, shoot unit 64 and judge adhesive tape 8 length according to the quantity of identification portion 82, then control two or more than two negative pressure suction cups 66 that correspond the position and external negative pressure air supply switch-on for adopt the effect that adhesive tape 8 can be picked up to minimum quantity negative pressure suction cup 66, reduced energy loss.

In this embodiment, the present invention further includes a plurality of control switches 7, the plurality of hall structures 4 are connected to the plurality of control switches 7 in a one-to-one correspondence, the hall structures 4 are electrically connected to the detection device 1 through the control switches 7, and the control switches 7 are used for controlling the on/off of the hall structures 4.

Similarly, according to the number and the position distribution of the magnets 9, the power connection work of the corresponding Hall structure 4 can be realized by controlling the on-off mode of the corresponding control switch 7, so that the phenomenon that all the Hall structures 4 are opened during each detection can be avoided, and the power consumption is saved. Specifically, the control switches 7 are controlled by the detection device 1, and preferably are electronic components such as a triode, so that the control is more convenient and simpler, and the full-automatic control is realized.

In this embodiment, the hall structure 4 includes a switch 41, a first hall sensor 42 and a second hall sensor 43, the first hall sensor 42 and the second hall sensor 43 are respectively disposed on two sides of the detection slot 21, the switch 41 includes a body 44, a fixed end 45 and two switching ends 46, one end of the body 44 is movably disposed on the fixed end 45, the other end of the body 44 is used for abutting against one of the switching ends 46, the first hall sensor 42 and the second hall sensor 43 are respectively connected with the two switching ends 46, and the fixed end 45 is electrically connected with the detection device 1. That is, the present invention can detect both sides of the magnet 9, only the first hall sensor 42 or the second hall sensor 43 is switched on for each detection, and the switching mode is realized by the switch 41, that is, when switching is needed, the worker operates on the detection device 1, the detection device 1 can be transmitted to the body 44 by a signal sending mode, and the body 44 switches automatically, so as to achieve the effect of automatic switching.

Specifically, the body 44 may have a miniature drive motor to drive it to rotate to switch on the hall sensor.

The invention realizes the effect of respectively detecting the two poles of the magnet 9, and leads the detection result to be more comprehensive and reliable.

Besides, the present invention can also adopt an electronic structure to realize the switching, that is, the switching switch 41 is composed of a chip and two triodes, and the detection device can trigger one of the triodes to conduct through the chip according to the requirement, so that the corresponding first hall sensor 42/second hall sensor 43 can be electrified to work, thereby realizing the switching action.

Although the present invention has been described with reference to the above preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.