CN214623005U - Magnetic force detection in return is with carrying thing mechanism - Google Patents
Magnetic force detection in return is with carrying thing mechanism Download PDFInfo
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- CN214623005U CN214623005U CN202120246140.2U CN202120246140U CN214623005U CN 214623005 U CN214623005 U CN 214623005U CN 202120246140 U CN202120246140 U CN 202120246140U CN 214623005 U CN214623005 U CN 214623005U
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Abstract
The utility model relates to a magnetic force detection is with carrying thing mechanism in returning. The utility model provides a magnetic return neutral force detects with carrying thing mechanism, includes upper plate and hypoplastron that sets up along the fore-and-aft direction, the upper plate is located the hypoplastron top, the upper plate front end is equipped with downwardly extending's first support column, the upper plate rear end can with first support column lower extreme is the central luffing motion, be equipped with 2n year thing block group between upper plate rear end and the hypoplastron rear end, 2n year thing block group sets up along controlling the direction interval, and every year thing block group all includes a first year thing piece and a second year thing piece, first year thing piece is fixed with the upper plate, second year thing piece is fixed with the hypoplastron, and first year thing piece and the second of same piece group are adjacent about, be formed with the first standing groove that is used for placing the product of waiting to detect on the first year thing piece, be formed with the second standing groove that is used for placing the detection and using the magnet on the second year thing piece. The utility model has the advantages of can improve magnetism and return to the advantage that power detected the accuracy.
Description
Technical Field
The utility model relates to a magnetic force detection is with carrying thing mechanism in returning.
Background
The magnetic centering force generally refers to a force generated during pulling the magnet or magnetic assembly perpendicular to the magnetization direction, the direction of the force being perpendicular to the magnetization direction, the effect of the force being to return the magnet or magnetic assembly to an initial position perpendicular to the magnetization direction. Magnetic attraction generally refers to the force generated during pulling a magnet or magnetic assembly parallel to the direction of magnetization, the direction of which is parallel to the direction of magnetization, the effect of which is to return the magnet or magnetic assembly parallel to the direction of magnetization to an initial position.
Generally, the magnetic centering force of a pair of magnets or a magnetic assembly is detected each time, the existing equipment for testing the magnetic centering force is mostly modified from equipment for testing gravity, drawing force and shearing force, the magnetic centering force is different from the gravity, magnetic lines of force are rearranged along a path with the maximum magnetic permeability in the process that the magnets or the magnetic assemblies are pulled away from the initial position, and the corresponding magnetic centering force and the corresponding magnetic attraction force are also changed. The change of the magnetic attraction force in the deviation process is nonlinear, strong friction force can be generated when the magnetic attraction force acts on the contact surface, the detection of the magnetic force can be interfered due to the fact that the direction of the friction force is opposite to the direction of the magnetic force, and the detection result of the existing detection equipment is not accurate.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can improve magnetism and return power detection accuracy's magnetism and return power detection with carrying thing mechanism.
In order to achieve the above purpose, the utility model adopts the following technical scheme: an object carrying mechanism for detecting magnetic centering force comprises an upper plate and a lower plate which are arranged along the front-back direction, wherein the upper plate is positioned above the lower plate, the front end of the upper plate is provided with a first support column extending downwards, the rear end of the upper plate can swing up and down by taking the lower end of the first support column as a center, 2n carrying block groups are arranged between the rear end of the upper plate and the rear end of the lower plate, the 2n carrying block groups are arranged at intervals along the left-right direction, each carrying block group comprises a first carrying block and a second carrying block, the first object carrying block is fixed with the upper plate, the second object carrying block is fixed with the lower plate, the first object carrying block and the second object carrying block of the same object carrying block group are adjacent left and right, the first object carrying block is provided with a first placing groove for placing a product to be detected, the second object carrying block is provided with a second placing groove for placing a magnet for detection, and n is a positive integer larger than 0.
The utility model discloses during the mechanism uses, can arrange current check out test set and use together, wait to detect that 2n are the same and detect the product and put into first standing groove respectively in, then upwards stimulate the certain distance through current check out test set with the upper plate rear end to make the upper plate rear end upwards overturn an minimum angle and survey pulling force F this momentFront sideThen the upper plate is reset, the same magnet for detection (which can be the same as or different from the product to be detected) is respectively placed in the 2n second placing grooves, then the rear end of the upper plate is pulled upwards for a certain distance by the existing detection equipment, so that the rear end of the upper plate is turned upwards for a very small angle with the same size, and the tension F at the moment is measuredRear endThe upper plate is then repositioned and the product is removed. Wherein the tension F is calculated2，F2＝FRear end-FFront side. Wherein, the distance L between the axis of the first supporting column and the stress position of the upper plate pulled up by the existing equipment is obtained by measuring in advance2Measuring in advance to obtain the distance L between the axis of the first support column and the center of the product1And finally obtaining the magnetic centering force F of the measured product1＝F2*L2/L1. When the upper plate rotates, the minimum angle is smaller than 5 degrees, and when the upper plate rotates upwards by 5 degrees by taking the lower end of the first support column as the center, the front and back displacement of the rear end of the upper plate can be ignored. Wherein L is1The horizontal distance from the pivot of the front end of the upper plate to the center of the magnet or the magnetic assembly, and the equivalent distance can be actually measured for the magnet or the magnetic assembly with symmetrical centers; for non-centrosymmetric magnets or magnetic assemblies, this distance can be measured by existing software analysis.
Through the utility model discloses the mechanism is treated and is detected the product and place with the magnet, through setting up 2n year thing piece groups to offset magnetic attraction each other, reduction that can be very big returns at test magnetism and power product in-process magnetic attraction interference problem and the slope problem, also improved accuracy, uniformity and the repeatability that magnetic return medium force detected simultaneously, in order to realize the accurate detection to magnetic body or magnetic component's magnetic return medium force. Wherein n is a positive integer greater than 0. The upper plate and the lower plate are required to be horizontal before and after detection, so that the front, back, upper and lower positions of the 2n products to be detected are better ensured to be the same, and the front, back, upper and lower positions of the detection magnet are ensured to be the same. The first placing groove can be arranged on the left side surface and the right side surface of the first carrying block, and also can be arranged on the front end surface and the rear end surface of the first carrying block, and the second placing groove is similar to the first placing groove. Wherein, the fixing of the product to be detected and the magnet for detection can be carried out by adopting a conventional tool. Wherein, smooth contact between the first year thing piece of year thing piece group and the second year thing piece, or the first year thing piece of year thing piece group has the clearance with the second year thing piece to wait to detect the attraction of product and detection magnet, so that the promotion of upper plate rotates.
Preferably, n is 1, and the first placing groove and the second placing groove are not communicated with each other; the two carrying block groups are arranged in bilateral symmetry. Only set up two year thing pieces, can reduce better the utility model discloses a production and processing assembly cost can offset magnetic attraction better simultaneously, avoids not to the problem that the detection precision that causes descends because of carrying thing piece group front and back position. Wherein, first standing groove and second standing groove do not communicate, can avoid waiting to detect the product absorption on detecting with the magnet to avoid the rising of first year thing piece. Wherein, two carry thing piece group bilateral symmetry and set up to can eliminate magnetic attraction better, with the detection precision that improves magnetism and return power.
Preferably, the lower end surface of the upper plate is always positioned above the upper end surface of the second carrier block. The arrangement is used for avoiding the contact between the second carrying block and the upper plate as much as possible so as to reduce the friction force between the upper plate and the second carrying block when the upper plate rotates.
Preferably, a first connecting plate is connected between the upper ends of the first carrying blocks, a second connecting plate is connected between the lower ends of the second carrying blocks, the first connecting plate is fixed with the upper plate, the second connecting plate is fixed with the lower plate, and the second carrying blocks are not in contact with the first connecting plate all the time. Set up first connecting plate and second connecting plate to carry out the assembly of 2n first year thing piece and second year thing piece, with the same of the upper and lower position around the 2n first thing piece of assurance better, with the same of the upper and lower position around guaranteeing 2n second year thing piece better.
Preferably, the first carrier block is always located on the upper side of the second connecting plate. When the upper plate is in contact with the lower plate, the first carrier block can be supported on the second connecting plate, so that the rear end of the upper plate can be supported.
Preferably, the lower end surface of the first carrying block is of an arc-surface-shaped structure; or the lower end face of the first carrying block or a contact surface contacted with the lower end face of the first carrying block is provided with a yielding groove. The arrangement reduces the friction between the first object carrying block and the second connecting plate or the lower plate when the rear end of the upper plate is lifted, and reduces the weight of the first object carrying block, so that the rear end of the upper plate is lifted conveniently.
Preferably, a draw hook is fixed at the rear end of the upper plate; the quantity of drag hook is one and is located the upper plate middle part, the year thing block group quantity on the left side of drag hook is the same with year thing block group quantity on drag hook right side. The draw hook is arranged to facilitate connection of the upper plate and the liftable tension meter of the existing detection equipment, so that the rear end of the upper plate can be conveniently lifted, and magnetic force detection can be conveniently carried out. Wherein, the drag hook sets up in the upper plate middle part to the balance when guaranteeing the upper plate and rising, in order to avoid the upper plate to take place to control the slope.
Preferably, the upper plate and the lower plate are matched with a level gauge, the first support column is in a bolt shape and is fixed with the upper plate through threads, the front end of the lower plate is provided with a second support column extending downwards, the second support column is in a bolt shape and is fixed with the lower plate through threads, and the rear end of the lower plate is erected on the support plate; the utility model discloses a support structure, including upper plate, hypoplastron, first support column, hypoplastron front end left and right sides all are equipped with a second support column. The level may be external or fixed on the upper and lower plates. The level of setting up the spirit level in order can realizing upper plate and hypoplastron better to make carrying thing piece group department magnet or magnetic component position more accurate, magnetic attraction offsets the effect better. Wherein, first support column and second support column accessible screw thread rotate in order to realize reciprocating, so that the utility model discloses the more simple manufacturing assembly cost of mechanism structure is lower.
Preferably, the thickness between the front and the back of the lower end of the first support column is gradually reduced from top to bottom; the lower end of the first support column is conical; the lower end surface of the first supporting column is arranged in a circular arc surface-shaped structure; the lower end of the first support column is supported on the bottom plate or the lower plate, a positioning groove with an upward opening is formed in the end face of the upper end face of the bottom plate or the lower plate, the lower end of the first support column is always located in the positioning groove, and the width of the positioning groove is gradually increased from bottom to top. The lower end of the first support column is arranged so as to facilitate the rotation of the first support column. Wherein, the first supporting column is supported in the positioning groove and is not rotatably fixed on the bottom plate (the working table surface) or the lower plate through a hinge joint, so as to reduce the friction force when the upper plate rotates. Wherein. The bottom of the positioning groove can be provided with a circular arc surface to better reduce the friction force when the first supporting column swings.
Preferably, the length of the upper plate is at least five times as long as the length of the first carrier block in the front-rear direction. After the rear end of the upper plate is lifted by the arrangement, the front and rear displacement of the first carrying block is extremely small, so that the error of the detection result is small.
The utility model has the advantages of can improve magnetism and return to the advantage that power detected the accuracy.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is another schematic structural diagram of the present invention;
fig. 3 is a schematic structural view of the present invention in use.
Detailed Description
The invention will be further described with reference to the drawings and the specific embodiments.
Shown by fig. 1 to 3, the utility model discloses a magnetic return mesodynamic is detected with carrying thing mechanism, include upper plate 1 and hypoplastron 2 along the fore-and-aft direction setting, upper plate 1 is located hypoplastron 2 top and is parallel to each other, upper plate 1 front end is equipped with downwardly extending's first support column 3, upper plate 1 rear end can use first support column 3 lower extreme as the central luffing motion, be equipped with two year thing block groups between upper plate rear end and hypoplastron rear end, two year thing block groups are along controlling the direction interval setting, every year thing block group all includes a first year thing piece 4 and a second year thing piece 5, first year thing piece 4 is fixed with upper plate 1, second year thing piece 5 is fixed with hypoplastron 2, adjacent about first year thing piece 4 and the second year thing piece 5 of same year thing group, be formed with the first standing groove 41 that is used for placing and waits to detect the product on the first year thing piece 4, be formed with the second standing groove 51 that is used for placing and detecting the magnet on the second year thing piece 5. Wherein, the rear end of upper plate 1 is fixed with drag hook 6, and the quantity of drag hook 6 is one and is located the upper plate 1 middle part, and two year thing piece groups are and use drag hook 6 as central bilateral symmetry. Wherein, the length of the upper plate 1 is ten times of the length of the first carrying block 4 along the front and back direction.
The first placing grooves 41 are not communicated with the second placing grooves 51, the two carrying block groups are arranged in bilateral symmetry, the two first carrying blocks 4 are located between the two second carrying blocks 5, the first placing groove 41 is arranged on the right side face of the left first carrying block 4, the second placing groove 51 is arranged on the left side face of the left second carrying block 5, the first placing groove 41 is arranged on the left side face of the right first carrying block 4, and the second placing groove 51 is arranged on the right side face of the right second carrying block 5.
A first connecting plate 42 is connected between the upper ends of the two first object carrying blocks 4 to form an n-shaped structure, a second connecting plate 52 is connected between the lower ends of the two second object carrying blocks 5 to form a u-shaped structure, the first connecting plate 42 is fixed with the upper plate 1, the second connecting plate is fixed with the lower plate, and the second object carrying blocks are not in contact with the first connecting plate all the time. The lower end face of the upper plate 1 is always positioned above the upper end face of the second object carrying block 5, the first object carrying block 4 is always positioned on the upper side of the second connecting plate 52, and the first object carrying block 4 is supported on the upper end face of the second connecting plate 52 before the mechanism is used. In order to reduce the friction between the first object carrying block 4 and the second connecting plate 52, the lower end surface of the first object carrying block 4 may be set to be an arc surface structure.
The upper plate 1 and the lower plate 2 are both fitted with a level gauge 7. The left and right sides of the front end of the upper plate 1 are respectively provided with a first supporting column 3, and the left and right sides of the front end of the lower plate 2 are respectively provided with a second supporting column 8 extending downwards. The first supporting column 3 is in a bolt shape and is fixed with the upper plate 1 in a threaded manner, the second supporting column 8 is in a bolt shape and is fixed with the lower plate 2 in a threaded manner, and the rear end of the lower plate 2 is erected on the supporting plate 20. Wherein, the thickness between the front and back of first support column 3 lower extreme dwindles from top to bottom gradually, and 3 lower extremes of first support column are the toper, and 3 lower extremes of first support column personally submit the setting of circular arc surface form structure, and 3 lower extremes of first support column support on hypoplastron 2, and 2 up end of hypoplastron are formed with the constant head tank of ascending open-ended, and 3 lower extremes of first support column are located the constant head tank all the time, and the width of constant head tank is by the supreme crescent down. Wherein, placed the utility model discloses be equipped with the fixed slot that is used for restricting second support column 8 on the workstation mesa of mechanism.
The distance between the axis of the first supporting column and the drag hook is measured to be L2Measuring to obtain the distance L between the axis of the first support column and the center of the product1. The utility model discloses when the mechanism used, the current check out test set of collocation used together, and check out test set includes a digital display tensiometer 91 and one is used for making digital display tensiometer 91 rise and the elevating system 92 that descends.
Respectively placing 2 same products to be detected into a first placing groove, and then upwards pulling the rear end of the upper plate for a certain distance by the existing detection equipment so as to enable the rear end of the upper plate to upwards overturn for a minimum angle and measure the tension F at the momentFront sideAnd then the upper plate is reset. Respectively placing a same magnet for detection in the 2 second placing grooves, pulling the rear end of the upper plate upwards for a certain distance by the existing detection equipment to ensure that the rear end of the upper plate upwards overturns for a very small angle with the same size, and measuring the tension F at the momentRear endFinally, the upper plate is reset and the product is removed.
Firstly, calculating the tension difference F2，F2＝FRear end-FFront sideThen carrying out magnetic centering force F of the tested product1Detection of (2): f1＝F2*L2/L1。
The utility model has the advantages of can improve magnetism and return to the advantage that power detected the accuracy.
Claims (10)
1. An object carrying mechanism for magnetic centering force detection is characterized by comprising an upper plate and a lower plate which are arranged along the front-back direction, wherein the upper plate is positioned above the lower plate, a first support column extending downwards is arranged at the front end of the upper plate, the rear end of the upper plate can swing up and down by taking the lower end of the first support column as the center, 2n object carrying block groups are arranged between the rear end of the upper plate and the rear end of the lower plate, the 2n object carrying block groups are arranged at intervals along the left-right direction, each object carrying block group comprises a first object carrying block and a second object carrying block, the first object carrying block is fixed with the upper plate, the second object carrying block is fixed with the lower plate, the first object carrying block and the second object carrying block of the same object carrying block group are adjacent to each other left and right, a first placing groove for placing a product to be detected is formed on the first object carrying block, and a second placing groove for placing a magnet for detection is formed on the second object carrying block, n is a positive integer greater than 0.
2. The loading mechanism for detecting centering force according to claim 1, wherein n is 1, and the first placement groove and the second placement groove are not communicated with each other; the two carrying block groups are arranged in bilateral symmetry.
3. The loading mechanism for detecting centering force according to claim 1, wherein the lower end surface of the upper plate is always located above the upper end surface of the second loading block.
4. The loading mechanism for detecting magnetic centering force according to claim 1, wherein a first connecting plate is connected between upper ends of the first loading blocks, a second connecting plate is connected between lower ends of the second loading blocks, the first connecting plate is fixed to the upper plate, the second connecting plate is fixed to the lower plate, and the second loading blocks are not in contact with the first connecting plate at all times.
5. The carrier mechanism for detecting centering force according to claim 4, wherein the first carrier block is always located on the upper side of the second connecting plate.
6. The loading mechanism for detecting magnetic centering force according to claim 1, wherein the lower end surface of the first loading block is in an arc surface-shaped structure; or the lower end face of the first carrying block or a contact surface contacted with the lower end face of the first carrying block is provided with a yielding groove.
7. The magnetic centering force detecting carrying mechanism according to claim 1, wherein a draw hook is fixed at the rear end of the upper plate; the quantity of drag hook is one and is located the upper plate middle part, the year thing block group quantity on the left side of drag hook is the same with year thing block group quantity on drag hook right side.
8. The loading mechanism for detecting magnetic centering force according to claim 1, wherein the upper plate and the lower plate are respectively provided with a level gauge, the first support column is bolt-shaped and is fixed with the upper plate by screw thread, the front end of the lower plate is provided with a second support column extending downwards, the second support column is bolt-shaped and is fixed with the lower plate by screw thread, and the rear end of the lower plate is erected on the support plate; the utility model discloses a support structure, including upper plate, hypoplastron, first support column, hypoplastron front end left and right sides all are equipped with a second support column.
9. The loading mechanism for detecting magnetic centering force according to claim 1, wherein the thickness between the front and rear of the lower end of the first support pillar is gradually reduced from top to bottom; the lower end of the first support column is conical; the lower end surface of the first supporting column is arranged in a circular arc surface-shaped structure;
the lower end of the first support column is supported on the bottom plate or the lower plate, a positioning groove with an upward opening is formed in the end face of the upper end face of the bottom plate or the lower plate, the lower end of the first support column is always located in the positioning groove, and the width of the positioning groove is gradually increased from bottom to top.
10. The load carrying mechanism for detecting centering force according to claim 1, wherein the length of the upper plate is at least five times as long as the length of the first load carrying block in the front-rear direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120246140.2U CN214623005U (en) | 2021-01-28 | 2021-01-28 | Magnetic force detection in return is with carrying thing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120246140.2U CN214623005U (en) | 2021-01-28 | 2021-01-28 | Magnetic force detection in return is with carrying thing mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN214623005U true CN214623005U (en) | 2021-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120246140.2U Active CN214623005U (en) | 2021-01-28 | 2021-01-28 | Magnetic force detection in return is with carrying thing mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112858968A (en) * | 2021-01-28 | 2021-05-28 | 浙江英洛华引力科技有限公司 | Magnetic centering force detection device |
-
2021
- 2021-01-28 CN CN202120246140.2U patent/CN214623005U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112858968A (en) * | 2021-01-28 | 2021-05-28 | 浙江英洛华引力科技有限公司 | Magnetic centering force detection device |
| CN112858968B (en) * | 2021-01-28 | 2024-05-28 | 浙江英洛华引力科技有限公司 | Magnetic return neutral force detection device |
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