CN220583306U

CN220583306U - Contactless counter

Info

Publication number: CN220583306U
Application number: CN202322009414.8U
Authority: CN
Inventors: 丁菲; 陈洪平
Original assignee: Ningbo Samir Electronic Technology Co ltd
Current assignee: Ningbo Samir Electronic Technology Co ltd
Priority date: 2023-07-28
Filing date: 2023-07-28
Publication date: 2024-03-12
Anticipated expiration: 2033-07-28

Abstract

The utility model discloses a non-contact counter, which comprises a shell, a rotating shaft and an integrated circuit board, wherein an installation cavity is arranged in the shell, an installation seat is integrally formed on the side wall of the installation cavity, the rotating shaft is rotatably arranged in the installation seat, one end of the rotating shaft stretches into the installation cavity, a magnet is arranged at one end of the rotating shaft stretching into the installation cavity, the integrated circuit board is fixedly arranged in the installation cavity, a Hall sensor for detecting the rotating state of the magnet is arranged on the integrated circuit board, and the Hall sensor is opposite to the magnet and is arranged close to the magnet; through setting up the rotation stability of axis of rotation after casing and mount pad integral type structure can effectively improve the equipment and accomplish, reduce and rock, can realize the segmentation of axis of rotation and integrated circuit board through the cooperation of magnet and the hall sensor that set up, and magnet and hall sensor just set up and press close to each other, have effectively avoided leading to the influence of magnet magnetic field position's change to detection precision because of the vibrations in the rotation process because of the axis of rotation.

Description

Contactless counter

Technical Field

The utility model relates to a contactless counter.

Background

With the development of technology, more and more enterprises automatically control equipment to produce, so that the production efficiency is improved, and the labor cost is reduced. The automatic production is not separated from the detection device as an 'eye', and particularly, the detection device needs to detect the moving distance such as the height, the length and the like, for example, a press machine, a die casting machine, a punching machine and the like. The traditional mode detects through setting up displacement sensor more, but displacement sensor's requirement is higher to the installation space, and occupation space is great promptly, and sets up inconvenient. For this purpose, means have been developed for detecting displacement, mode height, etc. by setting a counter. The counter is mainly driven to rotate through movement of equipment, and the moving distance is converted through the rotating number of turns of the rotating shaft. However, in the actual use process, the automatic production equipment is inevitably vibrated or moved in the production process, and the detection error easily occurs in the vibration process of the existing counter, so that the detection precision is reduced. In order to solve the above problems, a contactless counter is proposed.

Disclosure of Invention

The technical problems to be solved by the utility model are as follows: the non-contact counter is simple in structure, convenient to install, high in detection precision and good in anti-vibration effect.

In order to solve the technical problems, the utility model is solved by the following technical scheme: the utility model provides a contactless counter, includes the casing, still includes axis of rotation, integrated circuit board, the casing in be provided with the installation cavity, installation cavity lateral wall integrated into one piece be provided with the mount pad, the axis of rotation rotate and set up the mount pad in, just the one end of axis of rotation stretches into the installation cavity in, the one end that the axis of rotation stretched into the installation cavity is provided with the magnet, the integrated circuit board fixed the setting be in the installation cavity, the integrated circuit board be provided with and be used for detecting magnet rotation state's hall sensor, hall sensor with the magnet just and press close to the setting mutually.

Further, the magnet and the rotating shaft are coaxially and fixedly arranged, and the magnetic poles of the magnet are positioned at two sides of the axis of the magnet; the magnetic field sensor has the advantages that through the coaxial magnets and the fact that the Hall sensor is opposite to the magnets, when the rotating shaft drives the magnets to rotate, balanced conversion of magnetic poles during rotation of the magnets can be guaranteed, so that detection accuracy of the Hall sensor is improved, even if the rotating shaft vibrates due to vibration of equipment, the magnets are opposite to the Hall sensor, the magnets can be guaranteed to be always close to the Hall sensor, and influence of magnetic field position change caused by vibration of the magnets on detection accuracy of the Hall sensor is reduced.

Further, the rotary bearing is coaxially provided with a first limit table and a second limit table, a rotating shaft is arranged between the first limit table and the second limit table, the rotary bearing is sleeved outside the rotating shaft, a first clamp spring is arranged between the rotary bearing and the first limit table, and the first clamp spring is sleeved outside the rotating shaft; the rotary bearing can be arranged through the matching of the first limiting table and the second limiting table, so that the smooth rotary matching of the rotary shaft and the mounting seat is ensured.

Still further, a limiting convex ring is arranged in the mounting seat, the rotating bearing is arranged in the mounting seat and is propped against the limiting convex ring, a clamping groove is also arranged in the mounting seat, and a second clamping spring for limiting the axial movement of the rotating bearing is embedded in the clamping groove; the axial movement of the rotating bearing can be further limited through the limiting convex ring, the stability of the rotating shaft is improved, and radial shaking is reduced.

Furthermore, the end part of the first limiting table far away from the rotating bearing is flush with the side wall of the shell, and a containing groove is arranged between the mounting seat and the first limiting table; the advantage lies in through the assembly that the storage tank set up axis of rotation, rolling bearing, second jump ring of being convenient for, still can accomodate the clearance of being convenient for to impurity simultaneously, and still further accessible sets up keeps off the lid and seals the storage tank, reduces impurity degree and rotates the influence of supporting, ensures rolling bearing's practical reliability.

Furthermore, a fixing column integrally formed with the shell is arranged in the mounting cavity, and the integrated circuit board is detachably fixed with the fixing column through bolts; the detachable fixing column has the advantages that the detachable fixing column and the integrated circuit board can be detachably matched, so that the convenience in assembly and maintenance of the integrated circuit board can be improved.

Further, the shell is detachably provided with a sealing plate, and the sealing plate is used for sealing the mounting cavity; the sealing plate has the advantages that the sealing of the mounting cavity can be guaranteed through the arranged sealing plate, and the influence of external sundries, dust and the like on the integrated circuit board is reduced.

Further, the sealing plate is transparent, and the integrated circuit board is provided with a display opposite to the sealing plate; the display device has the advantages that the rotation state of the rotating bearing can be visually displayed through the display device, and the user can observe conveniently.

Furthermore, the integrated circuit board is provided with a processor unit, the Hall sensor transmits detected data to the processor unit, and the processor unit is also connected with a display and a setting key; the counter display device has the advantages that the counter can be visually displayed and parameters can be set through the display and the setting keys, and the use convenience is improved.

Compared with the prior art, the utility model has the following beneficial effects: through setting up casing and mount pad integral type structure can effectively improve the rotation stability of axis of rotation after the equipment is accomplished, reduces and rocks, especially after the casing is reliably fixed to automation equipment. Meanwhile, the rotating shaft and the integrated circuit board can be segmented through the matching of the arranged magnet and the Hall sensor, so that the influence on the integrated circuit board when equipment vibrates to drive the rotating shaft to vibrate is reduced, and the accuracy of the Hall sensor on the rotating state detection of the rotating shaft is guaranteed. The magnet and the Hall sensor are arranged opposite to each other and are close to each other, so that the influence of the change of the magnetic field position of the magnet on the detection precision caused by vibration in the rotation process of the rotating shaft is effectively avoided, namely, the small displacement of the magnetic field in vibration can be ensured through the design, and the detection precision is ensured.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the assembly of the seal plate of the present utility model;

FIG. 3 is a schematic diagram of an integrated circuit board assembly according to the present utility model;

FIG. 4 is a schematic view of the internal structure of the housing of the present utility model;

FIG. 5 is a schematic diagram illustrating the cooperation of a rotating shaft and an integrated circuit board according to the present utility model;

FIG. 6 is a schematic view of a rotating shaft according to the present utility model;

FIG. 7 is a schematic view of the structure of the housing of the present utility model;

fig. 8 is a schematic cross-sectional structure of fig. 7.

Detailed Description

The present utility model is described in further detail below with reference to the accompanying drawings.

The following description is presented to enable one of ordinary skill in the art to practice the utility model. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art. The basic principles of the utility model defined in the following description may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the utility model.

It will be appreciated by those skilled in the art that in the present disclosure, the terms "longitudinal," "transverse," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. indicate orientations or positions based on the orientation or positional relationship shown in the drawings, which are merely for convenience in describing the present simplified description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus the above terms are not to be construed as limiting the present utility model.

The non-contact counter shown in the attached drawings 1-8 comprises a shell 1, a rotating shaft 3 and an integrated circuit board 5, wherein an installation cavity 1.1 is arranged in the shell 1, an installation seat 2 is arranged on the side wall of the installation cavity 1.1 in an integrated mode, the rotating shaft 3 is rotatably arranged in the installation seat 2, one end of the rotating shaft 3 stretches into the installation cavity 1.1, a magnet 4 is arranged at one end of the rotating shaft 3 stretching into the installation cavity 1.1, the integrated circuit board 5 is fixedly arranged in the installation cavity 1.1, a Hall sensor 6 for detecting the rotating state of the magnet 4 is arranged on the integrated circuit board 5, and the Hall sensor 6 is opposite to the magnet 4 and is close to the magnet 4.

Through the casing 1 and mount pad 2 integral type structure that above-mentioned technical scheme set up can effectively improve the rotation stability of axis of rotation 3 after the equipment is accomplished, reduces and rocks, especially casing 1 is reliably fixed to automation equipment on the back, and casing 1 and mount pad 2 can provide more stable radial holding power for axis of rotation 3 and avoid its radial rocking. Meanwhile, the rotating shaft 3 and the integrated circuit board 5 can be divided through the matching of the arranged magnet 4 and the Hall sensor 6, so that the influence on the integrated circuit board 5 when equipment vibration drives the rotating shaft 3 to vibrate is reduced, and the accuracy of detecting the rotating state of the rotating shaft 3 by the Hall sensor 6 is ensured. Because magnet 4 and hall sensor 6 just set up just and press close to each other, consequently effectively avoided because of axis of rotation 3 because of vibrations cause the influence of magnet 4 magnetic field position's change to the detection accuracy in the rotation process, can ensure that the magnetic field displacement is less when vibrations through this design promptly to ensure the detection accuracy.

On the basis, the magnet 4 and the rotating shaft 3 are coaxially and fixedly arranged, the magnetic poles of the magnet 4 are positioned on two sides of the axis of the magnet, when the rotating shaft 3 drives the magnet 4 to rotate, the balanced conversion of the magnetic poles is ensured, so that the detection accuracy of the Hall sensor 6 is improved, even if the rotating shaft 3 vibrates due to vibration of equipment, the magnet 4 is opposite to the Hall sensor 6, the magnet 4 can be ensured to be always close to the Hall sensor 6, and the influence of the magnetic field position change caused by the vibration of the magnet 4 on the detection accuracy of the Hall sensor 6 is reduced.

In order to improve the stability of the rotating shaft 3 of the utility model, the rotating bearing 9 is coaxially provided with a first limiting table 3.1 and a second limiting table 3.2, the rotating shaft 3 is arranged between the first limiting table 3.1 and the second limiting table 3.2, the rotating bearing 9 is sleeved outside the rotating shaft 3, a first clamping spring 8 is arranged between the rotating bearing 9 and the first limiting table 3.1, the first clamping spring 8 is sleeved outside the rotating shaft 3, and the rotating bearing 9 can be arranged in the cooperation of the first limiting table 3.1 and the second limiting table 3.2 so as to ensure the smooth rotation cooperation of the rotating shaft 3 and the mounting seat 2.

Still further, be provided with spacing bulge loop 2.1 in the above-mentioned mount pad 2, rotation bearing 9 set up in mount pad 2 and with spacing bulge loop 2.1 offset, still be provided with draw-in groove 2.2 in the mount pad 2, draw-in groove 2.2 is embedded to be equipped with the second jump ring that is used for restricting rotation bearing 9 axial displacement to the production equipment of being convenient for. It is worth mentioning that the tip that rolling bearing 9 was kept away from to first spacing platform 3.1 flushes with the lateral wall of casing 1, be provided with storage tank 10 between mount pad 2 and the first spacing platform 3.1, the assembly of axis of rotation 3, rolling bearing 9, second jump ring can be convenient for to the storage tank 10 of setting up, still can accomodate the clearance of being convenient for to impurity simultaneously, and still further still accessible sets up keeps off the lid and seals storage tank 10, reduces impurity degree and rotates the influence of supporting, ensures rolling bearing 9's practical reliability.

In order to improve the stability of the integrated circuit board 5, four fixing columns 1.2 which are integrally formed with the shell 1 are arranged in the mounting cavity 1.1, the integrated circuit board 5 is detachably fixed with the fixing columns 1.2 through bolts, and the convenience of assembly and maintenance of the integrated circuit board 5 can be improved through detachable matching.

The shell 1 of the utility model is also detachably provided with the sealing plate 7, the sealing plate 7 is used for sealing the mounting cavity 1.1, the sealing of the mounting cavity 1.1 can be ensured through the arranged sealing plate 7, and the influence of external sundries, dust and the like on the integrated circuit board 5 is reduced. Furthermore, the sealing plate 7 may be made of transparent material, i.e. transparent, and the integrated circuit board 5 is provided with a display 5.1 opposite to the sealing plate 7, so that the rotation state of the rotating bearing 9 can be visually displayed through the display 5.1, and the user can observe conveniently.

For convenience of control and parameter setting of the contactless counter of the present utility model, the integrated circuit board 5 is provided with a processor unit, the hall sensor 6 transmits the detected data to the processor unit, the processor unit is further connected with a display 5.1 and a setting button, and the controller unit controls the hall sensor 6 to perform detection, and display and parameter setting are prior art in the art, which is not described herein.

It will be appreciated by persons skilled in the art that the embodiments of the utility model described above and shown in the drawings are by way of example only and are not limiting. The objects of the present utility model have been fully and effectively achieved. The functional and structural principles of the present utility model have been shown and described in the examples and embodiments of the utility model may be modified or practiced without departing from the principles described.

Claims

1. The utility model provides a contactless counter, includes the casing, the casing in be provided with the installation cavity, its characterized in that still includes axis of rotation, integrated circuit board, installation cavity lateral wall integrated into one piece be provided with the mount pad, the axis of rotation rotate and set up the mount pad in, just the one end of axis of rotation stretches into to the installation cavity, the one end that the axis of rotation stretched into the installation cavity is provided with the magnet, the integrated circuit board fixed the setting be in the installation cavity, the integrated circuit board be provided with and be used for detecting magnet rotation state's hall sensor, hall sensor with the magnet just and press close to the setting mutually.

2. A contact-less counter according to claim 1, wherein the magnet is fixedly disposed coaxially with the rotation shaft, and the poles of the magnet are located on both sides of the axis thereof.

3. The contactless counter of claim 1, wherein the rotary bearing is coaxially provided with a first limit table and a second limit table, a rotation shaft is arranged between the first limit table and the second limit table, the rotary bearing is sleeved outside the rotation shaft, a first clamp spring is arranged between the rotary bearing and the first limit table, and the first clamp spring is sleeved outside the rotation shaft.

4. A contactless counter according to claim 3, wherein the mounting seat is provided therein with a limiting collar, the rolling bearing is disposed in the mounting seat and abuts against the limiting collar, the mounting seat is further provided therein with a clamping groove, and the clamping groove is embedded with a second clamping spring for limiting the axial movement of the rolling bearing.

5. A contactless counter according to claim 3 wherein the end of the first stop block remote from the rolling bearing is flush with the side wall of the housing, and a receiving slot is provided between the mounting block and the first stop block.

6. The contactless counter of claim 1, wherein the mounting cavity is provided with a fixing post integrally formed with the housing, and the integrated circuit board is detachably fixed to the fixing post by a bolt.

7. A contact-less counter according to claim 1, wherein the housing is detachably provided with a sealing plate for closing the mounting cavity.

8. The counter of claim 7, wherein the sealing plate is transparent and the integrated circuit board is provided with a display opposite the sealing plate.

9. The contactless counter of claim 1 wherein the integrated circuit board is provided with a processor unit, the hall sensor transmitting the detected data to the processor unit, the processor unit further coupled with a display and a set button.