Packaging element demagnetization equipment and demagnetization method

Abstract

The invention discloses packaging element demagnetization equipment and a demagnetization method. The packaging element demagnetization equipment comprises a PLC (Programmable Logic Controller) control cabinet, a fixed plate is fixedly arranged above the PLC control cabinet; a screw rod is rotationally connected to the fixed plate; the screw rod is in threaded connection with an adjusting block; the sides, away from the fixing rods, of the adjusting blocks are fixedly connected with sliding blocks. The side, away from the fixing rod, of the sliding block is fixedly connected with a first mounting plate through screws. When the lead screw drives the storage box to move, the telescopic cylinders synchronously operate, so that the storage box moves longitudinally while moving transversely, and at the moment, the movement track of the storage box is in an arc shape and is matched with an equal-field-intensity curve on a degaussing machine; when the storage box carries the packaging element to move above the degaussing machine, degaussing can be carried out in a magnetic field with approximately same field intensity, so that an optimal degaussing effect is realized, and the conditions of unsmooth feeding or feeding of a general inspection machine, CCD misjudgment and the like caused by magnetic attraction in subsequent processing are avoided.

Description

Technical Field

[0001] The invention belongs to the technical field of demagnetization equipment, and in particular relates to a packaging component demagnetization equipment and a demagnetization method. Background Art

[0002] A demagnetizer is a device used to eliminate the magnetization state of an object. It can eliminate or reduce the magnetic field in the object by generating an opposite magnetic field, restoring it to its original state. However, packaged components such as resonators and oscillators need to be adsorbed and grasped one by one during production, testing or assembly due to their miniaturized design. If they are still magnetic at this time, the packaged components will attract each other, which will lead to feeding or feeding problems in the general inspection machine and CCD misjudgment.

[0003] Patent CN209708747U discloses a quartz crystal resonator demagnetization machine, which mainly includes a motor, a turntable and a demagnetization machine. When in use, the resonator is placed inside a placement slot on the turntable, the turntable is driven to rotate by the motor, and then the resonator continuously passes through the demagnetization machine as it rotates with the turntable, thereby completing the demagnetization of the resonator.

[0004] In the technical solution of the above patent, the components are carried by a turntable through the magnetic field of the demagnetizer to achieve the purpose of demagnetization. However, during the demagnetization process, the demagnetized components are always in a magnetic field environment with different field strengths. If the field strength is too small, the demagnetization effect of the components will be poor. If the field strength is too large, it will easily cause damage to the components or generate new residual magnetism, making it difficult to completely eliminate the magnetism. At the same time, when it comes to packaged components of different specifications, the magnetic field environment of the demagnetizer cannot be adjusted, so there are still certain limitations. Summary of the invention

[0005] The purpose of the present invention is to provide a packaging component demagnetization device and a demagnetization method to solve the technical problems in the prior art that the packaging components cannot be demagnetized in a magnetic field environment with a fixed field strength, and that the packaging components of different volumes cannot be demagnetized in a magnetic field environment with different field strengths.

[0006] The purpose of the present invention can be achieved through the following technical solutions:

[0007] A packaged component demagnetization device and demagnetization method, comprising a PLC control cabinet; a fixed plate is fixedly arranged above the PLC control cabinet; a screw rod is rotatably connected to the fixed plate;

[0008] The screw rod is threadedly connected with an adjusting block; a side of the adjusting block away from the fixed rod is fixedly connected with a sliding block; a side of the sliding block away from the fixed rod is fixedly connected with a first mounting plate via screws; a telescopic cylinder is fixedly connected with the first mounting plate;

[0009] A storage box is provided at the output end of the telescopic cylinder; a demagnetizer is fixedly provided on the top of the PLC control cabinet, and the storage box is located above the demagnetizer.

[0010] Preferably, two fixing rods are fixedly connected to one side of the top of the fixing rod via screws; a fixing plate is fixedly arranged on the upper part of the fixing rod; and a long side surface of the fixing plate is perpendicular to the horizontal plane.

[0011] Preferably, a slide groove is provided on the slider; a guide plate is fixedly connected to a side of the fixed plate away from the fixed rod via a plate body, the guide plate and the slide groove on the slider fit each other, and the slider is slidably connected to the guide plate.

[0012] Preferably, a driving motor is fixedly disposed on one end of the fixing plate, and an output end of the driving motor is connected to the screw rod.

[0013] Preferably, the output end of the telescopic cylinder is fixedly connected to a longitudinally arranged second mounting plate, and the storage box is fixedly arranged on the output end of the telescopic cylinder via the second mounting plate.

[0014] Preferably, the motor drives the screw to rotate, the screw causes the storage box containing the components to be demagnetized to move laterally, and the telescopic cylinder causes the storage box to move longitudinally. During the process of the storage box moving laterally and longitudinally simultaneously, the movement trajectory of the storage box presents a semicircular or arc shape.

[0015] Preferably, a method for demagnetizing a packaged component comprises the following steps:

[0016] S100: setting the magnetic field range and field strength of the demagnetizer according to the volume of the component to be demagnetized;

[0017] S200: According to the magnetic field data of the demagnetizing machine, the lateral moving trajectory and moving speed of the screw storage box are set;

[0018] S300: Place the components to be demagnetized into the storage box to complete the preparation work before demagnetization;

[0019] S400: The PLC control cabinet controls the storage box to move horizontally, so that the storage box moves vertically synchronously, so that the storage box carrying the components to be demagnetized moves on the equal field strength curve of the demagnetizer to achieve the purpose of demagnetization;

[0020] S500: The storage box is moved back and forth by using the screw rod and the telescopic cylinder to perform demagnetization cyclically until the magnetic quantity reaches the expected standard.

[0021] S600: taking the demagnetized packaged component out of the storage box, and resetting the storage box.

[0022] Preferably, in step S100, the voltage of the demagnetizer is set by using a PLC control cabinet, and the magnetic field range and field strength of the demagnetizer are changed by controlling the voltage.

[0023] Preferably, in the step S400, the PLC control cabinet calculates the longitudinal movement distance of the storage box in real time according to the lateral movement distance of the storage box;

[0024] The PLC control cabinet synchronously controls the telescopic cylinder to move along with the screw rod according to the calculation results;

[0025] Real-time calculation formula:

[0026]

[0027] Among them, z is the longitudinal height of the storage box that needs to be adjusted by the telescopic cylinder, x is the lateral position of the storage box on the screw, x0 and y0 are the fixed position coordinates of the demagnetizer, k is the field strength coefficient of the demagnetizer, n is the exponent of the magnetic field attenuation, B target is the magnetic field strength.

[0028] Preferably, in step S500, the reciprocating movement trajectory of the storage box coincides with the equal field strength curve on the demagnetizer.

[0029] Beneficial effects of the present invention:

[0030] 1) When the motor of the present invention drives the screw to rotate and move the storage box horizontally, the lateral position of the storage box on the screw can be obtained, and then the longitudinal position coordinates of the storage box on the telescopic cylinder should be calculated in real time according to the lateral position coordinates. Therefore, when the screw drives the storage box to move, the telescopic cylinder operates synchronously, so that the storage box moves longitudinally while moving horizontally. At this time, the motion trajectory of the storage box is arc-shaped and coincides with the equal field strength curve on the demagnetization machine. When the storage box carrying the packaged components moves above the demagnetization machine, it can be demagnetized in a magnetic field with roughly the same field strength, thereby achieving the best demagnetization effect and ensuring that magnetic attraction will not occur during subsequent processing, resulting in the general inspection machine feeding or feeding is not smooth and CCD misjudgment occurs.

[0031] 2) When the present invention demagnetizes the packaged components, since the magnetic quantities carried by packaged components of different volumes are different, the magnetic field range and magnetic field strength of the demagnetizer can be adjusted through the PLC control cabinet. The magnetic field strength and magnetic field range of the demagnetizer are adapted to the volume of the packaged components, ensuring that packaged components of different volumes can be demagnetized under suitable field strengths to achieve the best demagnetization effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] The present invention will be further described below in conjunction with the accompanying drawings.

[0033] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0034] Figure 2 is a front view of the present invention;

[0035] Figure 3 It is a structural schematic diagram of the adjustment block in the present invention;

[0036] Figure 4 is a cross-sectional view of the guide plate structure in the present invention;

[0037] Figure 5 It is a schematic diagram of the circular magnetic field distribution of the demagnetizer in the present invention;

[0038] Figure 6 It is a schematic diagram of the elliptical magnetic field distribution of the demagnetizer in the present invention;

[0039] In the figure: 1. PLC control cabinet; 2. Demagnetizer; 3. Fixed rod; 4. Fixed plate; 5. Drive motor; 6. Screw; 7. Guide plate; 8. Slider; 9. Adjustment block; 10. First mounting plate; 11. Telescopic cylinder; 12. Second mounting plate; 13. Storage box. DETAILED DESCRIPTION

[0040] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] See also Figure 1-Figure 4 As shown, a packaged component demagnetization device and demagnetization method include a PLC control cabinet 1; two fixing rods 3 are fixedly connected to one side of the top of the PLC control cabinet 1 by screws; a fixing plate 4 is fixedly connected to the upper part of the fixing rods 3, and the long side of the fixing plate 4 is perpendicular to the horizontal plane; a driving motor 5 is fixedly arranged on one end of the fixing plate 4; a screw rod 6 is fixedly connected to the output end of the driving motor 5.

[0042] The screw rod 6 is threadedly connected with an adjusting block 9; the adjusting block 9 is fixedly connected with a slider 8 on the side away from the fixing rod 3 by screws, and the slider 8 is provided with a slide groove; the fixing plate 4 is fixedly connected with a guide plate 7 ( Figure 1 The guide plate 7 shown is a cross-section body), the guide plate 7 and the slide groove on the slider 8 fit each other, and the slider 8 is slidably connected to the guide plate 7; the side of the slider 8 away from the fixed rod 3 is fixedly connected to the first mounting plate 10 by screws; the first mounting plate 10 is fixedly connected to the telescopic cylinder 11.

[0043] The output end of the telescopic cylinder 11 is fixedly connected to a second mounting plate 12 arranged longitudinally; a storage box 13 is fixedly connected to the second mounting plate 12 via screws; a degaussing machine 2 is fixedly arranged on the top of the PLC control cabinet 1, and the storage box 13 is located above the degaussing machine 2.

[0044] The screw rod 6 is used to cooperate with the driving motor 5 to carry the storage box 13 to move horizontally; the telescopic cylinder 11 is used to carry the storage box 13 to move vertically; the storage box 13 is used to store the components to be demagnetized; the demagnetizer 2 is used to demagnetize the demagnetized components stored in the storage box 13.

[0045] In order to facilitate understanding of the above technical solution of the present invention, the working principle or operation mode of the present invention in the actual process is described in detail below:

[0046] See also Figure 5 and Figure 6 When the demagnetizer 2 is turned on, the magnetic field distribution shape of the demagnetizer 2 is often spherical or quasi-spherical with the demagnetizer 2 as the center, and the farther away from the demagnetizer 2, the smaller the field strength. According to this rule, in the magnetic field distribution of the demagnetizer 2, the field strength is equal on the same circular or quasi-circular (which can be regarded as an elliptical) trajectory.

[0047] Therefore, during the demagnetization process, the motor drives the screw 6 to rotate, and the screw 6 is used to move the storage box 13 containing the components to be demagnetized horizontally, and the telescopic cylinder 11 is used to move the storage box 13 vertically. In the process of the storage box 13 moving horizontally and vertically simultaneously, the movement trajectory of the storage box 13 presents a semicircular or arc shape. At this time, the movement trajectory of the storage box 13 is similar to the magnetic field distribution shape under the same field strength of the demagnetizer 2.

[0048] At this time, in order to make the moving trajectory of the storage box 13 coincide with the trajectory of the same magnitude of magnetic field strength, ensure that the demagnetized components inside the storage box 13 are always demagnetized in the same magnitude of field strength environment, and improve the demagnetization effect, the moving trajectory of the storage box 13 can be controlled by the synchronous cooperation of the screw rod 6 and the telescopic cylinder 11, so that it moves on a suitable field strength distribution trajectory; the PLC control cabinet 1 can use the following calculation formula to synchronously control the telescopic cylinder 11 to control the longitudinal movement of the storage box 13 when the screw rod 6 controls the lateral movement of the storage box 13:

[0049]

[0050] Wherein, z is the longitudinal height of the storage box 13 that needs to be adjusted by the telescopic cylinder 11, x is the lateral position of the storage box 13 on the screw rod 6, x0 and y0 are the fixed position coordinates of the demagnetizer 2, k is the field strength coefficient of the demagnetizer 2, n is the exponent of the magnetic field attenuation, B target is the magnetic field strength.

[0051] During specific use, the packaged components are demagnetized by following the steps below:

[0052] S100: using the PLC control cabinet 1 to set the voltage of the demagnetizer 2, and changing the magnetic field range and field strength of the demagnetizer 2 by controlling the voltage to adapt to the volume of the component to be demagnetized;

[0053] S200: setting the lateral movement trajectory of the screw rod 6 storage box 13 according to the magnetic field data of the demagnetizer 2;

[0054] S300: placing the component to be demagnetized into the storage box 13 to complete the preparation work before demagnetization;

[0055] S400: The PLC control cabinet 1 calculates the distance that the telescopic rod should output in real time through the lateral movement distance of the storage box 13, so that the storage box 13 moves longitudinally synchronously, so that the storage box 13 carrying the components to be demagnetized moves on the equal field strength curve of the demagnetizer 2, thereby achieving the purpose of demagnetization;

[0056] S500: The screw rod 6 and the telescopic cylinder 11 are used to make the storage box 13 move back and forth on the equal field strength curve, and the demagnetization is cyclically performed until the magnetic quantity reaches the expected standard;

[0057] S600: Take out the demagnetized component from the storage box 13 and reset the storage box 13.

[0058] In S100, when demagnetizing the packaged components, due to the different sizes of the packaged components, for example: 3.2mm×2.5mm×0.007mm, 1.0mm×0.8mm×0.005mm, the magnetic quantities carried by the packaged components of different volumes are different. The magnetic field range and magnetic field strength of the demagnetizer 2 can be adjusted through the PLC control cabinet 1. The magnetic field strength and magnetic field range of the demagnetizer 2 are adapted to the volume of the packaged components, ensuring that the packaged components of different volumes can be demagnetized under suitable field strengths to achieve the best demagnetization effect.

[0059] In S400, the storage box 13 has an initial fixed position. When the motor drives the screw rod 6 to rotate and move the storage box 13 horizontally, the lateral position of the storage box 13 on the screw rod 6 can be obtained, and then the longitudinal position coordinates of the storage box 13 on the telescopic cylinder 11 can be calculated in real time based on the lateral position coordinates. Therefore, when the screw rod 6 drives the storage box 13 to move, the telescopic cylinder 11 operates synchronously, so that the storage box 13 moves longitudinally while moving horizontally. At this time, the motion trajectory of the storage box 13 is arc-shaped and coincides with the equal field strength curve on the demagnetizer 2. When the storage box 13 carries the packaged components and moves above the demagnetizer 2, it can be demagnetized in a magnetic field with roughly the same field strength, achieving the best demagnetization effect and ensuring that magnetic attraction does not occur during subsequent processing, resulting in the general inspection machine feeding or feeding is not smooth and CCD misjudgment occurs.

[0060] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0061] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A packaged component demagnetization device, comprising a PLC control cabinet (1); characterized in that: A fixing plate (4) is fixedly arranged above the PLC control cabinet (1); a screw rod (6) is rotatably connected to the fixing plate (4); The screw rod (6) is threadedly connected with an adjusting block (9); the side of the adjusting block (9) away from the fixed rod (3) is fixedly connected with a sliding block (8); the side of the sliding block (8) away from the fixed rod (3) is fixedly connected with a first mounting plate (10) via screws; the first mounting plate (10) is fixedly connected with a telescopic cylinder (11); The output end of the telescopic cylinder (11) is provided with a storage box (13); a demagnetizer (2) is fixedly provided on the top of the PLC control cabinet (1), and the storage box (13) is located above the demagnetizer (2).

2. A packaged component degaussing device according to claim 1, characterized in that: One side of the top of the fixing rod (3) is fixedly connected to two fixing rods (3) via screws; a fixing plate (4) is fixedly arranged on the upper part of the fixing rod (3); and the long side surface of the fixing plate (4) is perpendicular to the horizontal plane.

3. A packaged component degaussing device according to claim 1, characterized in that: The slide block (8) is provided with a slide groove; a guide plate (7) is fixedly connected to the side of the fixed plate (4) away from the fixed rod (3) through a plate body; the guide plate (7) and the slide groove on the slide block (8) fit each other, and the slide block (8) is slidably connected to the guide plate (7).

4. A packaged component degaussing device according to claim 1, characterized in that: A driving motor (5) is fixedly arranged on one end of the fixing plate (4), and an output end of the driving motor (5) is connected to a screw rod (6).

5. The packaged component degaussing device according to claim 1, characterized in that: The output end of the telescopic cylinder (11) is fixedly connected to a second mounting plate (12) arranged longitudinally, and the storage box (13) is fixedly arranged on the output end of the telescopic cylinder (11) via the second mounting plate (12).

6. A packaged component degaussing device according to claim 1, characterized in that: The motor drives the screw rod (6) to rotate, and the screw rod (6) causes the storage box (13) containing the element to be demagnetized to move horizontally, and the telescopic cylinder (11) causes the storage box (13) to move vertically. In the process of the storage box (13) moving horizontally and vertically synchronously, the movement track of the storage box (13) presents a semicircular or arc shape.

7. A method for demagnetizing a packaged component, applicable to the packaged component demagnetizing device according to any one of claims 1 to 6, characterized in that: The following steps are involved: S100: setting the magnetic field range and field strength of the demagnetizing machine (2) according to the volume of the component to be demagnetized; S200: According to the magnetic field data of the demagnetizer (2), the lateral movement trajectory and movement speed of the screw rod (6) and the storage box (13) are set; S300: placing the component to be demagnetized into the storage box (13) to complete the preparation work before demagnetization; S400: The PLC control cabinet (1) controls the storage box (13) to move horizontally, so that the storage box (13) moves vertically synchronously, so that the storage box (13) carrying the components to be demagnetized moves on the equal field strength curve of the demagnetizer (2), thereby achieving the purpose of demagnetization; S500: using the screw rod (6) and the telescopic cylinder (11) to make the storage box (13) move back and forth, and cyclically demagnetize until the magnetic quantity reaches the expected standard; S600: taking the demagnetized packaged component out of the storage box (13), and resetting the storage box (13).

8. A method for demagnetizing a packaged component according to claim 7, characterized in that: In the step S100, the voltage of the demagnetizer (2) is set by using the PLC control cabinet (1), and the magnetic field range and field strength of the demagnetizer (2) are changed by controlling the voltage.

9. A method for demagnetizing a packaged component according to claim 7, characterized in that: In the step S400, the PLC control cabinet (1) calculates the longitudinal movement distance of the storage box (13) in real time according to the lateral movement distance of the storage box (13); The PLC control cabinet (1) synchronously controls the telescopic cylinder (11) to move along with the screw rod (6) according to the calculation result; Real-time calculation formula: Wherein, z is the longitudinal height of the storage box (13) that needs to be adjusted by the telescopic cylinder (11), x is the lateral position of the storage box (13) on the screw rod (6), x0 and y0 are the fixed position coordinates of the demagnetizer (2), k is the field strength coefficient of the demagnetizer (2), n is the exponent of the magnetic field attenuation, and B target is the magnetic field strength.

10. A method for demagnetizing a packaged component according to claim 7, characterized in that: In the step S500, the reciprocating movement trajectory of the storage box (13) coincides with the equal field intensity curve on the demagnetizer (2).

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