CN109015336B - Grinding surface parallelism detection system and method for T-shaped ferrite core - Google Patents
Grinding surface parallelism detection system and method for T-shaped ferrite core Download PDFInfo
- Publication number
- CN109015336B CN109015336B CN201811254655.6A CN201811254655A CN109015336B CN 109015336 B CN109015336 B CN 109015336B CN 201811254655 A CN201811254655 A CN 201811254655A CN 109015336 B CN109015336 B CN 109015336B
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- rotating plate
- ferrite core
- laser
- shaped ferrite
- rotating
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/005—Control means for lapping machines or devices
- B24B37/013—Devices or means for detecting lapping completion
Abstract
The invention discloses a grinding surface parallelism detection system and method of a T-shaped ferrite core, wherein the grinding surface parallelism detection system comprises a clamp seat, the clamp seat is used for clamping the T-shaped ferrite core to be detected, the T-shaped ferrite core is provided with a center column and side legs vertically arranged on the center column, two sides of the clamp seat are respectively provided with a rotating plate, one side surface of each rotating plate is arranged at the edge of each side leg of the T-shaped ferrite core, one side of each rotating plate is provided with a laser emitter, the laser emitters are vertically arranged on the rotating plates, one side of each laser emitter is provided with a laser receiver, and the laser receivers are used for receiving laser emitted by the laser emitters. According to the invention, the T-shaped ferrite magnetic core is fixedly clamped in the fixture seat, the rotating plates are respectively arranged on two sides of the fixture seat in a matched manner, the side surfaces of the rotating plates are enabled to be attached to the inclined surfaces of the two side parts of the side legs by utilizing the rotation of the rotating plates, and the inclination angles of the inclined surfaces of the two side parts of the side legs are detected by utilizing the movement displacement of laser emitted by the laser transmitters fixedly arranged on the rotating plates on the laser receiver, so that the detection is completed.
Description
Technical Field
The invention relates to the technical field of production test, in particular to a system and a method for detecting parallelism of a grinding surface of a T-shaped ferrite core.
Background
Since ferrite cores are manufactured by powder compacting and then sintering, this manufacturing method has been known in the industry for many years. However, the center pillar and the side pillars of the ferrite core manufactured by the method have the problem of uneven density distribution, so that the product is deformed after sintering, at this time, the center pillar is vertically arranged in the middle of the side pillars, and the two side parts of the side pillars are in an inclined structure after sintering and cannot be effectively avoided at present, so that processing procedures such as grinding and the like are set after sintering. Therefore, detecting the inclination angles of the two sides of the side leg becomes a great key in engineering, i.e. how to detect the inclination angles of the two sides of the side leg becomes a great difficult problem.
Disclosure of Invention
In view of the foregoing, it is desirable to provide a system and method for detecting parallelism of a grinding surface of a T-shaped ferrite core that can efficiently detect whether the produced product meets the parallelism requirement.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a grinding side parallelism detecting system of T type ferrite core, it includes the anchor clamps seat, the anchor clamps seat is used for the centre gripping T type ferrite core that awaits measuring, T type ferrite core is provided with the center pillar and sets up the side pillar on the center pillar perpendicularly, anchor clamps seat both sides are provided with the commentaries on classics board respectively, a commentaries on classics board side sets up the side pillar edge at T type ferrite core, commentaries on classics board one side is provided with laser emitter, laser emitter changes the board setting perpendicularly, laser emitter one side is provided with laser receiver, laser receiver is used for receiving the laser that laser emitter sent.
In one embodiment, the laser receiver is provided with a sensing area, the sensing area is arranged perpendicular to the horizontal plane, and the sensing area is used for sensing the moving displacement of the laser emitted by the laser emitter in the sensing area.
In one embodiment, the side surface of the rotating plate is provided with a pressure sensor, and the pressure sensor is arranged at a position where one side surface of the rotating plate is matched and attached with the inclined surface of the side leg and is used for sensing the pressure between the rotating plate and the inclined surface of the side leg.
In one embodiment, the center pillar is vertically clamped in the fixture seat, and two side parts of the side leg are respectively protruded out of the fixture seat.
In one embodiment, the initial setting angle of the swivel plate is set perpendicular to the horizontal plane.
A method for detecting parallelism of an abrasive surface of a T-shaped ferrite core comprises the following steps:
(1) Placing the T-shaped ferrite core to be tested in the clamp seat;
(2) Adjusting the rotating plate to enable the rotating plate to be arranged close to the edge of the side stilt, and obtaining a horizontal distance d between the rotating plate and the laser receiver;
(3) Rotating the rotating plate to enable the side face of the rotating plate to be gradually attached to the inclined face of the side leg, and obtaining the movement displacement h of laser emitted by the laser emitter on the laser receiver;
(4) According to the formula cot (pi-theta) =h/d, the inclination angle θ=pi-arc (h/d) of the side slope of the stilt can be obtained.
In one embodiment, the method further comprises the step (5) of comparing the detected inclined plane inclination angle theta with a preset angle threshold value, and when the inclined plane inclination angle theta is larger than the preset angle threshold value, classifying the T-shaped ferrite core to be detected as a defective product; and when the inclined angle theta of the inclined plane is smaller than or equal to a preset angle threshold value, the T-shaped ferrite core to be tested is listed as a qualified product.
In one embodiment, the side surface of the rotating plate is provided with a pressure sensor, the pressure sensor is arranged at a position where one side surface of the rotating plate is matched and attached with the side leg inclined surface and used for sensing the pressure between the rotating plate and the side leg inclined surface, and when the pressure between the side surface of the rotating plate and the side leg inclined surface is greater than a preset pressure threshold, the rotating of the rotating plate is stopped.
In summary, according to the system and the method for detecting parallelism of the grinding surface of the T-shaped ferrite core, the T-shaped ferrite core is fixedly clamped in the clamp seat, the rotating plates are respectively arranged on two sides of the clamp seat in a matched mode, the side faces of the rotating plates are attached to the inclined faces of two sides of the side legs by utilizing rotation of the rotating plates, the inclined angles of the inclined faces of the two sides of the side legs are detected by utilizing the moving displacement of laser emitted by the laser transmitters fixedly arranged on the rotating plates on the laser receiver, and whether the parallelism of the T-shaped ferrite core is qualified or not is detected, so that the detection efficiency is high.
Drawings
FIG. 1 is a schematic diagram of a T-shaped ferrite core of the present invention;
FIG. 2 is a side view of the structure of a system for detecting parallelism of the abrasive surface of a T-shaped ferrite core according to the present invention;
fig. 3 is a side view of the structure of a system for detecting parallelism of the abrasive surface of a T-shaped ferrite core according to the present invention.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
As shown in fig. 1 to 3, the grinding surface parallelism detection system of a T-shaped ferrite core according to the present invention includes a fixture base 10, the fixture base 10 is used for clamping a T-shaped ferrite core 20 to be detected, the T-shaped ferrite core 20 is provided with a center pillar 21 and a side pillar 22 vertically disposed on the center pillar 21, the center pillar 21 is vertically clamped in the fixture base 10, and two side portions of the side pillar 22 respectively protrude out of the fixture base 10, so as to facilitate detection of an inclined plane inclination angle θ of two side portions of the side pillar 22.
The fixture comprises a fixture seat 10, a clamp base and a laser emitter 40, wherein two sides of the fixture seat 10 are respectively provided with a rotating plate 30, one side of the rotating plate 30 is arranged at the edge of a side leg 22 of a T-shaped ferrite magnetic core 20, the initial installation angle of the rotating plate 30 is perpendicular to the horizontal plane, one side of the rotating plate 30 is provided with the laser emitter 40, the laser emitter 40 is perpendicular to the rotating plate 30, the laser emitter 40 rotates along with the rotation of the rotating plate 30, so that the inclined plane inclination angle of the side leg 22 can be calculated, one side of the laser emitter 40 is provided with a laser receiver 50, and the laser receiver 50 is used for receiving laser emitted by the laser emitter 40, so that the movement displacement h of the laser emitted by the laser emitter 40 on the laser receiver 50 is obtained, namely the perpendicular distance between the initial point position of the laser emitted by the laser emitter 40 and the end point position of the laser receiver 50 is obtained.
Specifically, the laser receiver 50 is provided with a sensing area 51, the sensing area 51 is arranged perpendicular to the horizontal plane, and the sensing area 51 is used for sensing the movement displacement of the laser light emitted by the laser emitter 40 in the sensing area 51.
In one embodiment, a pressure sensor (not shown) is disposed on a side of the rotating plate 30, and the pressure sensor is disposed at a position where a side of the rotating plate 30 is matched with the slope of the side leg 22, and is used for sensing the pressure between the rotating plate 30 and the slope of the side leg 22, and stopping rotating the rotating plate 30 when the pressure between the side of the rotating plate 30 and the slope of the side leg 22 is greater than a preset pressure threshold, and the laser receiver 50 obtains the position of the end point of the laser emitted by the laser emitter 40, so as to obtain the vertical distance from the position of the start point of the laser emitted by the laser emitter 40 received by the laser receiver 50 to the position of the end point.
The invention discloses a method for detecting parallelism of an abrasive surface of a T-shaped ferrite core, which comprises the following steps:
(1) Placing the T-shaped ferrite core 20 to be tested in the fixture seat 10;
(2) Adjusting the rotating plate 30 so that the rotating plate 30 is arranged close to the edge of the side stilt 22, and obtaining a horizontal distance d between the rotating plate 30 and the laser receiver 50;
(3) Rotating the rotating plate 30 to gradually attach the side surface of the rotating plate 30 to the inclined surface of the side leg 22, and acquiring the movement displacement h of the laser emitted by the laser emitter 40 on the laser receiver 50;
(4) According to the formula cot (pi-theta) =h/d, the inclination angle θ=pi-arc (h/d) of the inclined plane on one side of the stilt 22 can be obtained;
(5) Comparing the detected inclined plane inclination angle theta with a preset angle threshold value, and when the inclined plane inclination angle theta is larger than the preset angle threshold value, listing the T-shaped ferrite core 20 to be detected as a defective product; and when the inclined plane inclination angle theta is smaller than or equal to a preset angle threshold value, the T-shaped ferrite core 20 to be tested is listed as a qualified product.
In one embodiment, in the step (3), a pressure sensor is disposed on a side of the rotating plate 30, and the pressure sensor is disposed at a position where a side of the rotating plate 30 is matched and attached to the slope of the side leg 22, and is used for sensing the pressure between the rotating plate 30 and the slope of the side leg 22, and stopping rotating the rotating plate 30 when the pressure between the side of the rotating plate 30 and the slope of the side leg 22 is greater than a preset pressure threshold, and the laser receiver 50 obtains the position of the end point of the laser emitted by the laser emitter 40, so as to obtain the vertical distance from the position of the initial point of the laser emitted by the laser emitter 40 received by the laser receiver 50 to the position of the end point.
When the invention is used for detection, the rotating plates 30 on the two sides of the clamping seat are required to be respectively operated, so that the inclination angles of the inclined planes on the two sides of the side leg 22 are obtained, finally, the inclination angles of the side faces of the side leg 22 are compared with a preset angle threshold value, the T-shaped ferrite core 20 to be detected is classified, the unqualified products are successfully prevented from flowing out, the level of leading-in mass production is reached, and the detection working efficiency is improved.
In summary, according to the system and method for detecting parallelism of a grinding surface of a T-shaped ferrite core of the present invention, the T-shaped ferrite core 20 is fixedly clamped in the fixture base 10, the rotating plates 30 are respectively disposed on two sides of the fixture base 10, the rotating plates 30 are rotated to make the side surfaces of the rotating plates 30 attach to the inclined surfaces of two sides of the side legs 22, and the inclination angles of the inclined surfaces of two sides of the side legs 22 are detected by using the movement displacement of the laser emitted by the laser transmitter 40 fixedly disposed on the rotating plates 30 on the laser receiver 50, so as to complete the detection of whether the parallelism of the T-shaped ferrite core 20 is qualified or not, and the detection efficiency is high.
The above examples merely represent a few embodiments of the present invention, which are described in more detail and are not to be construed as limiting the scope of the present invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of the invention should be assessed as that of the appended claims.
Claims (5)
1. The utility model provides a T type ferrite core's abrasive surface parallelism detecting system which characterized in that: the fixture comprises a fixture seat, wherein the fixture seat is used for clamping a T-shaped ferrite core to be tested, the T-shaped ferrite core is provided with a center column and side legs vertically arranged on the center column, two sides of the fixture seat are respectively provided with a rotating plate, one side of each rotating plate is arranged at the edge of each side leg of the T-shaped ferrite core, one side of each rotating plate is provided with a laser emitter, the laser emitters are vertically arranged on the rotating plates, one side of each laser emitter is provided with a laser receiver, and each laser receiver is used for receiving laser emitted by each laser emitter;
the laser receiver is provided with an induction zone, the induction zone is perpendicular to the horizontal plane, and the induction zone is used for inducing the movement displacement of laser emitted by the laser emitter in the induction zone; the pressure sensor is arranged on the side face of the rotating plate, is arranged at the matching and fitting position of one side face of the rotating plate and the inclined plane of the side leg and is used for sensing the pressure between the rotating plate and the inclined plane of the side leg.
2. The abrasive side parallelism detection system of a T-type ferrite core according to claim 1, wherein: the center column is vertically clamped in the clamp seat, and two side parts of the side leg column respectively protrude out of the clamp seat.
3. The abrasive side parallelism detection system of a T-type ferrite core according to claim 1, wherein: the initial setting angle of the rotating plate is perpendicular to the horizontal plane.
4. The method for detecting the parallelism of the grinding surface of the T-shaped ferrite core is characterized by comprising the following steps of:
(1) Placing the T-shaped ferrite core to be tested in the clamp seat;
(2) Adjusting the rotating plate to enable the rotating plate to be arranged close to the edge of the side stilt, and obtaining a horizontal distance d between the rotating plate and the laser receiver;
(3) Rotating the rotating plate to enable the side face of the rotating plate to be gradually attached to the inclined face of the side leg, and obtaining the movement displacement h of laser emitted by the laser emitter on the laser receiver; the pressure sensor is arranged at the position of one side surface of the rotating plate, matched and attached to the side column inclined surface, and used for sensing the pressure between the rotating plate and the side column inclined surface, and stopping rotating the rotating plate when the pressure between the side surface of the rotating plate and the side column inclined surface is greater than a preset pressure threshold value;
(4) According to the formula cot (pi-theta) =h/d, the inclination angle θ=pi-arc (h/d) of the side slope of the stilt can be obtained.
5. The method for detecting parallelism of an abrasive surface of a T-type ferrite core according to claim 4, further comprising the step of (5) comparing the detected inclination angle θ of the inclined surface with a predetermined angle threshold, and when the inclination angle θ of the inclined surface is greater than the predetermined angle threshold, listing the T-type ferrite core to be detected as a defective product; and when the inclined angle theta of the inclined plane is smaller than or equal to a preset angle threshold value, the T-shaped ferrite core to be tested is listed as a qualified product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811254655.6A CN109015336B (en) | 2018-10-26 | 2018-10-26 | Grinding surface parallelism detection system and method for T-shaped ferrite core |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811254655.6A CN109015336B (en) | 2018-10-26 | 2018-10-26 | Grinding surface parallelism detection system and method for T-shaped ferrite core |
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| CN109015336A CN109015336A (en) | 2018-12-18 |
| CN109015336B true CN109015336B (en) | 2023-09-29 |
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| CN201811254655.6A Active CN109015336B (en) | 2018-10-26 | 2018-10-26 | Grinding surface parallelism detection system and method for T-shaped ferrite core |
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| CN109015336A (en) | 2018-12-18 |
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