CN212321823U

CN212321823U - Jig for testing magnet suction force

Info

Publication number: CN212321823U
Application number: CN202020804114.2U
Authority: CN
Inventors: 周保平; 马春茹; 李泽江; 边磊; 周维娜
Original assignee: Baotou INST Magnetic New Material Co Ltd
Current assignee: Baotou INST Magnetic New Material Co Ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2021-01-08
Anticipated expiration: 2030-05-14

Abstract

The utility model provides a test jig for magnet suction, include: the support is provided with a sliding rail, the first sliding block and the second sliding block are arranged on the sliding rail in a sliding mode, the screw rod is rotatably connected with the support, two sections of threads in opposite rotating directions are arranged on the outer circumferential side wall of the screw rod, the two sections of threads in opposite rotating directions are respectively in threaded fit with the first sliding block and the second sliding block, the support is further provided with a supporting plate, the first sliding block and the second sliding block are respectively provided with a clamping plate, and the two clamping plates are used for clamping and loosening the magnet to be tested. So set up, the tool for test magnet suction can press from both sides the magnet of fixed multiple different specifications, has saved the required expense of producing multiple specification tool effectively, and adopts the utility model discloses a tool for test magnet suction need not to change the tool in the testing process to can save and change the tool and adjust the required time of tool, improve the detection efficiency to magnet suction effectively.

Description

Jig for testing magnet suction force

Technical Field

The utility model relates to a magnet suction test technical field, more specifically say, relate to a test tool for magnet suction.

Background

For the magnet, no matter a single magnet or a combined magnet, the attraction of the magnet is always an important parameter of the magnet, so that the attraction of the magnet is very important when the magnet is quickly and conveniently tested. But the magnet of different size specifications of test among the prior art all needs to be changed the tool that magnet corresponds, otherwise can't measure, when the magnet specification kind that needs the test is more, just needs more tools, and the cost is great like this, and every change one set of tool all needs the position of adjustment tool for test equipment moreover, and it is slow to change the speed, seriously influences efficiency. Therefore, it is necessary to solve the problems of the prior art that the cost is increased and the testing efficiency is low because different jigs need to be replaced when testing magnets with different specifications and sizes.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a test magnet tool for suction that can compatible multiple specification magnet to the magnet of various specifications is fixed to the centre gripping, reduces the adjustment time and improves efficiency of software testing.

In order to solve the problem, the utility model provides a test jig for magnet suction, include: the support is provided with a sliding rail, the first sliding block and the second sliding block can be installed on the sliding rail in a sliding mode, the screw rod is connected with the support in a rotating mode, the extending direction of the screw rod is the same as the extending direction of the sliding rail, two threads in opposite rotating directions are arranged on the outer circumferential side wall of the screw rod, the two threads in opposite rotating directions are in threaded fit with the first sliding block and the second sliding block respectively, when the screw rod rotates, the first sliding block and the second sliding block are close to or far away from each other, a supporting plate used for supporting magnets to be tested is further arranged on the support, the clamping plate is arranged on the first sliding block and the second sliding block, and the clamping plates are used for clamping and loosening the magnets to be tested in the supporting plate.

Preferably, the stepping motor is in transmission connection with the screw rod and is fixed on the support.

Preferably, a motor shaft of the stepping motor is in transmission connection with the screw through a coupler.

Preferably, two all be equipped with V type constant head tank on the relative terminal surface of splint, the notch of two V type constant head tanks sets up relatively.

Preferably, the extending direction of backup pad with the extending direction of slide rail is the same, just the backup pad with the support passes through the fastener and connects, first slider and corresponding between the splint and second slider and corresponding all have the clearance between the splint to constitute the confession respectively the hole of dodging that the backup pad passed.

Preferably, the base plate is arranged on the supporting plate, one end of the base plate extends into the first sliding block and the corresponding clamp plate to avoid the hole, and the other end of the base plate extends into the second sliding block and the corresponding clamp plate to avoid the hole.

Preferably, the first slider and the second slider are connected to the corresponding clamping plate by fasteners.

Preferably, the number of the slide rails is two.

Preferably, the device further comprises a bottom plate, and the bracket is arranged on the bottom plate.

Preferably, the coupling is a groove type coupling.

The utility model provides an among the technical scheme, a test jig for magnet suction, include: the support, the screw rod, first slider, second slider and splint, be equipped with the slide rail on the support, first slider and the equal slidable of second slider are installed on the slide rail, the screw rod rotationally is connected with the support and its extending direction is the same with the extending direction of slide rail, be equipped with two sections screw threads that revolve to opposite on the outer circumference lateral wall of screw rod, two sections screw threads that revolve to opposite are respectively with first slider and second slider screw-thread fit, when the screw rod rotates, first slider and second slider are close to each other or keep away from, still be equipped with the backup pad that is used for supporting the magnet that awaits measuring on the support, all be equipped with splint on first slider and the second slider, two splint are used for pressing from both sides tightly and loosen the magnet that.

The using process is as follows: during the use, on placing test equipment with the tool for testing magnet suction, then will await measuring magnet and place the backup pad in, rotate the screw rod and make first slider and second slider drive two splint each other and be close to in order to press from both sides tight await measuring magnet respectively, when needing the magnet of other specifications of test, only need loosen two splint and take off magnet, it can to place the magnet of other specifications again.

The beneficial effects are as follows: need change different tools during for the magnet test of different specifications among the prior art, its manufacturing jig is with high costs, changes the tool at every turn and all needs to adjust, and efficiency of software testing is lower, the utility model provides a test magnet is magnet for suction can press from both sides the magnet of the fixed multiple different specifications of clamp, has saved the required expense of the multiple specification tool of production effectively, and has adopted the utility model discloses a test magnet is tool for suction need not to change the tool in the test procedure to can save and change the tool and adjust the required time of tool, improve the detection efficiency to magnet suction effectively.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a jig for testing the attraction force of a magnet according to an embodiment of the present invention;

FIG. 2 is a schematic view of the jig for testing magnetic attraction in FIG. 1 (with the bottom plate and one clamp plate removed) at another angle;

FIG. 3 is a schematic view of a holder of the jig for testing magnetic attraction in FIG. 1;

fig. 4 is a schematic structural view of a first slider in the jig for testing magnetic attraction in fig. 1.

In fig. 1-4:

1. a support; 2. a screw; 3. a first slider; 4. a second slider; 5. a slide rail; 6. a support plate; 7. a splint; 8. a magnet to be tested; 9. a stepping motor; 10. a coupling; 11. a V-shaped positioning groove; 12. avoiding holes; 13. a base plate; 14. a base plate; 15. a U-shaped plate; 16. a vertical plate; 17. and a nut.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

This implementation provides a test magnet that can compatible multiple specification magnet tool for suction to the magnet of various specifications is fixed in the centre gripping.

Hereinafter, embodiments will be described in detail with reference to the accompanying drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.

Referring to fig. 1 to 4, an embodiment of the present invention provides a jig for testing magnetic attraction, including a bracket 1, a screw rod 2, a first slider 3, a second slider 4 and a clamping plate 7. The support 1 is provided with a slide rail 5, the first slide block 3 and the second slide block 4 are both slidably mounted on the slide rail 5, as shown in fig. 4, the first slide block 3 (the second slide block 4 has the same structure) is provided with a slide groove matched with the slide rail 5, and the first slide block 3 is slidably mounted on the slide rail 5 through the slide groove. Optionally, the number of the sliding rails 5 is two, the two sliding rails 5 are arranged in parallel, and the first sliding block 3 and the second sliding block 4 are respectively provided with two sliding grooves to be respectively matched with the two sliding rails 5. Referring to fig. 3, the bracket 1 includes a U-shaped plate 15 and risers 16 provided at both ends of the U-shaped plate 15. The cross section of the U-shaped plate perpendicular to the axial direction of the slide rails is U-shaped, and the two slide rails 5 are respectively arranged on two side plates of the U-shaped plate 15. The screw rod 2 is rotatably connected with the bracket 1, and the extending direction of the screw rod 2 is the same as the extending direction of the slide rail 5. For example, two mounting holes are provided on the two risers 16, respectively. Two ends of the screw rod 2 are respectively and rotatably arranged in the two mounting holes so as to be rotatably connected with the bracket 1. Two sections of threads with opposite rotation directions are arranged on the side wall of the outer circumference of the screw rod 2, and the two sections of threads with opposite rotation directions are respectively in threaded fit with the first sliding block 3 and the second sliding block 4. Referring to fig. 4, a nut 17 for screw-fitting with the screw 2 may be disposed on the first slider 3 (and the second slider 4 is the same as that), two sliding grooves are disposed on two sides of the nut 17, and the nut 17 is fixedly connected with the first slider 3. When the screw 2 rotates, the first slider 3 and the second slider 4 move closer to or away from each other. Still be equipped with the backup pad 6 that is used for supporting the magnet 8 that awaits measuring on the support 1, all be equipped with splint 7 on first slider 3 and the second slider 4, two splint 7 are used for pressing from both sides tightly and unclamp the magnet 8 that awaits measuring on the backup pad 6 with first slider and second slider synchronous motion respectively.

The using process is as follows: during the use, on placing test equipment with the tool for testing magnet suction, then on placing backup pad 6 with examination magnet 8 that awaits measuring, rotate screw rod 2 and make first slider 3 and second slider 4 drive two splint 7 respectively and be close to each other in order to press from both sides tight examination magnet 8 that awaits measuring, when needing the magnet of testing other specifications, only need loosen two splint 7 and take off magnet, place the magnet of other specifications again can.

The beneficial effects are as follows: need change different tools during the magnet test to different specifications among the prior art, the utility model provides a test is magnet for suction can press from both sides the magnet of fixed multiple specification to reduce the expense of producing multiple specification tool, and adopt the utility model discloses a test is magnet for suction tool need not to change the tool in the test procedure, thereby can save and change the tool and adjust the required time of tool, has improved the detection efficiency to magnet suction effectively.

In some embodiments, the two clamping plates 7 are provided with V-shaped positioning grooves 11 on opposite end surfaces thereof for positioning and fixing the magnet to be tested, and the notches of the two V-shaped positioning grooves 11 are arranged oppositely. Refer to fig. 1 and show, can fix a position through two V type constant head tank 11 to magnet 8 that awaits measuring and press from both sides tightly, so set up, on the one hand make magnet can fix a position completely in the horizontal plane, on the other hand, the magnet of various specifications is fixed the back by the V type constant head tank 11 of two splint 7, the center is located the same position basically, only need adjust the position of magnet like this when testing first magnet, the magnet of follow-up test is pressed from both sides the back and just is in the correct position, thereby can reduce the time to the adjustment of magnet 8 that awaits measuring, in order to improve efficiency of software testing.

Referring to fig. 1, in some embodiments, the jig for testing the magnetic attraction force further includes a stepping motor 9 in transmission connection with the screw rod 2, and the stepping motor 9 is fixed on the bracket 1. The stepping motor 9 rotates to drive the screw rod 2 to rotate, so that the two clamping plates 7 are clamped or loosened. So set up, can utilize controller control step motor 9 to rotate the number of turns, and then the distance of two splint 7 operations of control, so can input the length and the width isoparametric of the magnet 8 that awaits measuring, calculate the distance that reachs splint 7 needs to move by the controller, press from both sides tightly automatically, easy operation is swift. Referring to fig. 2, in some embodiments, the motor shaft of the stepper motor 9 is drivingly connected to the screw 2 via a coupling 10. Optionally, the coupling 10 is a groove type coupling.

Referring to fig. 2 and 3, in some embodiments, the extending direction of the supporting plate 6 is the same as the extending direction of the sliding rail 5, and the supporting plate 6 is connected to the bracket 1 by a fastener, and a gap is provided between the first sliding block 3 and the corresponding clamping plate 7 and between the second sliding block 4 and the corresponding clamping plate 7 to respectively form an avoiding hole 12 for the supporting plate 6 to pass through. For example, the two ends of the supporting plate 6 respectively pass through the two avoiding holes 12 to be connected with the two risers 16 through fasteners, namely, the supporting plate 6 is fixed on the risers 16 by screws or bolts. So set up, can place the magnet 8 that awaits measuring in backup pad 6, rotate screw rod 2, two splint 7 can press from both sides the magnet on the tight backup pad 6 of clamp. Referring to fig. 2, in some embodiments, the jig for testing magnetic attraction further includes a backing plate 13, the backing plate 13 is disposed on the supporting plate 6, one end of the backing plate 13 extends into the avoiding hole 12 between the first slider 3 and the corresponding clamping plate 7, and the other end of the backing plate 13 extends into the avoiding hole 12 between the second slider 4 and the corresponding clamping plate 7. The backing plate 13 may be fixed to the support plate 6 by screws. The height of the magnet 8 to be tested can be adjusted by providing shim plates 13 of different thicknesses, for example, for some thicker magnets the shim plate 13 may not be used, and for some thinner magnets the shim plate 13 may be raised so that the two clamping plates 7 can clamp the magnet.

In some embodiments, the first slider 3 and the second slider 4 are each connected to the respective clamping plate 7 by a fastener. For example, the clamping plate 7 is provided with a through hole, the first slider 3 and the second slider 4 are provided with a threaded hole corresponding to the through hole, and a fastener is screwed with the threaded hole through the through hole to fix the clamping plate 7.

In some embodiments, the jig for testing the magnetic attraction force further comprises a bottom plate 14, and the bracket is disposed on the bottom plate 14.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a test jig for magnet attraction which characterized in that includes: the testing device comprises a support (1), a screw rod (2), a first sliding block (3), a second sliding block (4) and a clamping plate (7), wherein a sliding rail (5) is arranged on the support (1), the first sliding block (3) and the second sliding block (4) are slidably arranged on the sliding rail (5), the screw rod (2) is rotatably connected with the support (1) and the extending direction of the screw rod is the same as the extending direction of the sliding rail (5), two threads with opposite rotating directions are arranged on the outer circumferential side wall of the screw rod (2), the two threads with opposite rotating directions are respectively in threaded fit with the first sliding block (3) and the second sliding block (4), when the screw rod (2) rotates, the first sliding block (3) and the second sliding block (4) are close to or far away from each other, a supporting plate (6) for supporting a magnet to be tested (8) is further arranged on the support (1), the first sliding block (3) and the second sliding block (4) are respectively provided with the clamping plates (7), and the two clamping plates (7) are used for clamping and loosening the magnets (8) to be tested on the supporting plate (6).

2. The jig for testing the attraction force of the magnet according to claim 1, further comprising a stepping motor (9) in transmission connection with the screw (2), wherein the stepping motor (9) is fixed on the bracket (1).

3. The jig for testing the attraction force of the magnet according to claim 2, wherein a motor shaft of the stepping motor (9) is in transmission connection with the screw rod (2) through a coupler (10).

4. The jig for testing the attraction force of a magnet according to claim 1, wherein the opposite end surfaces of the two clamping plates (7) are provided with V-shaped positioning grooves (11), and the notches of the two V-shaped positioning grooves (11) are arranged oppositely.

5. The jig for testing the magnetic attraction force of the magnet according to claim 1, wherein the extending direction of the supporting plate (6) is the same as the extending direction of the sliding rail (5), the supporting plate (6) is connected with the bracket (1) through a fastener, and gaps are respectively arranged between the first sliding block (3) and the corresponding clamping plate (7) and between the second sliding block (4) and the corresponding clamping plate (7) so as to respectively form avoiding holes (12) for the supporting plate (6) to pass through.

6. The jig for testing the magnetic attraction force of the magnet according to claim 5, further comprising a backing plate (13), wherein the backing plate (13) is disposed on the supporting plate (6), one end of the backing plate (13) extends into the avoiding hole (12) between the first slider (3) and the corresponding clamping plate (7), and the other end of the backing plate (13) extends into the avoiding hole (12) between the second slider (4) and the corresponding clamping plate (7).

7. The jig for testing magnetic attraction force according to claim 1, wherein the first slider (3) and the second slider (4) are each connected to the corresponding clamp plate (7) by a fastener.

8. The jig for testing magnetic attraction force according to claim 1, wherein the number of the slide rails (5) is two.

9. The jig for testing magnetic attraction force according to claim 1, further comprising a base plate (14), wherein the holder (1) is provided on the base plate (14).

10. The jig for testing magnetic attraction force according to claim 3, wherein the coupling (10) is a groove-type coupling.