CN204009027U - The suction measurement device of permanent magnet - Google Patents

Abstract

The utility model belongs to the field of magnet performance detection, and in particular relates to a permanent magnet suction measuring device, which comprises a push-pull dynamometer slidingly arranged in the vertical direction on a frame, the loading end of the push-pull dynamometer is arranged directly below, and the push-pull dynamometer The loading end of the dynamometer is provided with an inductive head made of magnetically conductive material, and the frame is also provided with a chuck for clamping the magnet to be tested, and the chuck is slid in the horizontal direction. The sliding path of the magnet to be tested passes directly under the induction head. The utility model uses a push-pull force meter to measure the suction force of the permanent magnet, which has higher measurement accuracy and can continuously measure the suction force of the permanent magnet at different distances.

Description

Attraction measuring device for permanent magnets

technical field

The utility model belongs to the field of magnet performance detection, in particular to a permanent magnet suction measuring device.

Background technique

In the application field of permanent magnets, the attraction force is one of the important indicators to characterize the magnetism of permanent magnets. At present, the traditional suction measurement uses magnets to directly absorb weights. This measurement method is inefficient, has poor measurement accuracy and repeatability, and cannot measure the suction force at a fixed distance between permanent magnet products and the attracted object; especially in recent years with the With the continuous development of magnet application technology and fields, the requirements for the fluctuation range of magnet suction force are getting higher and higher. There is an urgent need for a suction force measurement device and method to meet the measurement of permanent magnet suction force.

Utility model content

The purpose of the utility model is to provide a permanent magnet suction measuring device capable of accurately measuring the suction force of the permanent magnet and the fluctuation range of the suction force.

In order to achieve the above object, the utility model provides the following technical solutions: a permanent magnet suction force measuring device, including a push-pull force gauge vertically slidably arranged on the frame, the loading end of the push-pull force gauge is arranged directly below, The loading end of the push-pull force gauge is provided with an induction head made of a magnetically conductive material, and the frame is also provided with a chuck for clamping the magnet to be tested, and the chuck is slidably set in the horizontal direction, and the The sliding path of the magnet to be tested on the chuck passes directly under the induction head.

The push-pull dynamometer is a digital push-pull dynamometer, the frame includes a base and a column, and the column is provided with a sliding seat that reciprocates in the vertical direction, the push-pull dynamometer is fixed on the sliding seat, and the column There is also a driving handle on the top, and the driving handle drives the sliding seat to move up and down through the transmission mechanism.

Two parallel guide pillars are arranged horizontally on the base, a slider is provided on the guide pillar, and two through holes are arranged on the slider, and the two through holes are respectively sleeved on the two guide pillars. and form a sliding fit with it, and the chuck is fixed on the slider.

The chuck is provided with a groove for accommodating the magnet to be tested, the opening of the groove is set upwards, the length and width of the groove are greater than the length and width of the magnet to be tested, and the groove's The depth is smaller than the thickness of the magnet to be tested, and a threaded through hole is arranged on the side wall of the groove, and a locking screw is arranged in the threaded through hole.

The base is provided with a mounting plate, the mounting plate is provided with two vertical plates parallel to each other, the two ends of the guide posts are respectively fixed on the two vertical plates, the axes of the two guide posts are located at the same within the horizontal plane.

The vertical plate is provided with a bolt for limiting the slider, the bolt is located between the two guide posts and arranged parallel to the guide posts, and the outer end of the bolt is provided with a manual knob for manually rotating the bolt.

The technical effect of the utility model is that: the suction force of the permanent magnet is measured by a push-pull force meter, the measurement accuracy is higher, and the suction force of the permanent magnet at different distances can be continuously measured.

Description of drawings

Fig. 1 is the front view of the utility model;

Fig. 2 is a left view of the utility model;

Fig. 3 is a three-dimensional structural schematic diagram of the installation part of the chuck of the present invention.

Detailed ways

As shown in Figures 1 and 2, a permanent magnet suction measuring device includes a push-pull force gauge 20 that is slidably arranged in a vertical direction on the frame, the loading end of the push-pull force gauge 20 is arranged directly below, and the push-pull force The loading end of the meter 20 is provided with an induction head 21 made of a magnetically conductive material, and the frame is also provided with a chuck 32 for clamping the magnet to be tested, and the chuck 32 is slidably arranged in the horizontal direction, and the The sliding path of the magnet to be tested on the chuck 32 passes directly under the induction head 21 .

Further, the push-pull dynamometer 20 is a digital push-pull dynamometer, the frame includes a base 12 and a column 11, and the column 11 is provided with a sliding seat 22 that reciprocates in the vertical direction, and the push-pull dynamometer 20 Fixed on the sliding seat 22, the column 11 is also provided with a driving handle 13, and the driving handle 13 drives the sliding seat 22 to move up and down through a transmission mechanism.

Further, the base 12 is horizontally provided with two guide posts 33 parallel to each other, the guide posts 33 are provided with a slider 34, and the slider 34 is provided with two through holes, the two through holes The holes are respectively sleeved on the two guide posts 33 and form a sliding fit with them, and the chuck 32 is fixed on the slider 34 .

As shown in Figure 3, the chuck 32 is provided with a groove for accommodating the magnet to be tested, the opening of the groove is arranged upwards, and the length and width of the groove are greater than the length and width of the magnet to be tested Size, the depth of the groove is less than the thickness of the magnet to be tested, a threaded through hole is provided on the side wall of the groove, and a locking screw 35 is arranged in the threaded through hole.

As shown in Figures 2 and 3, the base 12 is provided with a mounting plate 30, and the mounting plate 30 is provided with two vertical plates 31 parallel to each other. On the plate 31, the axes of the two guide posts 33 are located in the same horizontal plane.

As a further preferred solution of the present utility model, the vertical plate 31 is provided with a bolt 36 for limiting the slider 34, the bolt 36 is located between the two guide posts 33 and arranged parallel to the guide posts 33, the The outer end of the bolt 36 is provided with a manual knob for manually rotating the bolt 36 .

The specific operation process of the utility model in application is as follows: the magnet to be tested is put into the groove of the chuck 32 and fixed by the locking screw 35, the slider 34 is pushed and the adjusting bolt 36 is adjusted so that the center of the magnet to be tested and the push-pull force The center of the induction head 21 of the gauge 20 is on the same axis, rotate the driving handle 13, and lower the induction head 21 of the push-pull gauge 20 to just touch the magnet to be tested or a certain distance from the magnet to be tested, and now return the slide block 34 to make the magnet to be tested Keep away from the induction head 21, reset the push-pull force gauge 20 to zero, and then push the slider 34 together with the magnet to be tested. At this time, the value displayed on the push-pull force gauge 20 is the suction force of the magnet to be tested.

In addition, it should be noted that: in order to avoid magnetic and magnetic materials that interfere with the magnetism of the magnet to be tested, in the utility model, except for the induction head 21, the parts that are closer to the magnet to be tested are made of non-reversing materials, such as nylon or aluminum alloy etc.

Claims (6)

1. the suction measurement device of a permanent magnet, it is characterized in that: comprise the pull and push dynamometer (20) that in frame, vertical direction slides and arranges, under the loading end court of described pull and push dynamometer (20), arrange, the loading end of described pull and push dynamometer (20) is provided with the inductive head (21) that permeability magnetic material is made, in described frame, be also provided with the chuck (32) for clamping magnet to be measured, described chuck (32) setting of sliding in the horizontal direction, the sliding path of the magnet to be measured on described chuck (32) is through under described inductive head (21).

2. the suction measurement device of permanent magnet according to claim 1, it is characterized in that: described pull and push dynamometer (20) is digital pull and push dynamometer, described frame comprises base (12) and column (11), described column (11) is provided with vertically reciprocating slide (22), described pull and push dynamometer (20) is fixed on slide (22), on described column (11), be also provided with driving handle (13), described driving handle (13) drives slide (22) to move up and down by gear train.

3. the suction measurement device of permanent magnet according to claim 2, it is characterized in that: on described base (12), be horizontally disposed with two guide pillars that are parallel to each other (33), described guide pillar (33) is provided with slide block (34), described slide block (34) is provided with two through holes, described two through holes are enclosed within respectively two guide pillars (33) and above and with it form and be slidably matched, and described chuck (32) is fixed on slide block (34).

4. the suction measurement device of permanent magnet according to claim 3, it is characterized in that: described chuck (32) is provided with for holding the groove of magnet to be measured, the opening up setting of described groove, the length and width size of described groove is greater than the length and width size of magnet to be measured, the degree of depth of described groove is less than the thickness of magnet to be measured, the sidewall of described groove is provided with tapped through hole, is provided with lock-screw (35) in described tapped through hole.

5. according to the suction measurement device of the permanent magnet described in claim 3 or 4, it is characterized in that: described base (12) is provided with installing plate (30), described installing plate (30) is provided with two risers that are parallel to each other (31), it is upper that the two ends of described guide pillar (33) are separately fixed at two risers (31), and the axis of described two guide pillars (33) is located in the same horizontal plane.

6. the suction measurement device of permanent magnet according to claim 5, it is characterized in that: described riser (31) is provided with for slide block (34) is carried out to spacing bolt (36), described bolt (36) is positioned between two guide pillars (33) and is parallel to guide pillar (33) setting, and the outer end of described bolt (36) is provided with the manual adjusting knob for manual rotation bolt (36).