Paint stripping device

Abstract

The present disclosure relates to the technical field of inductors, and particularly relates to a paint stripping device, which comprises a support and a paint stripping unit. The paint stripping unit comprises an inclined rail and a cutting tool, both of which are connected to the support. The inclined plate of the inclined rail extends along a first direction, which forms an acute angle with the vertical direction. The inclined rail is configured to allow the to-be-cut object to slide along the first direction on the inclined rail. The cutting tool has a circular structure and can rotate around its own axis. The edge of the cutting tool can cut the to-be-cut layer of the to-be-cut object. When the to-be-cut object is an inductor, the paint stripping device can cut the insulating layer and dirt on the electrode copper wire of the inductor through the edge of the cutting tool. The paint stripping device does not have the oxide residue left after the paint stripping by the laser paint stripping machine in the prior art, does not affect the yield of the tin dipping of the copper wire, and does not have the powder burn phenomenon, thereby helping to ensure the normal appearance of the inductor.

Description

Technical Field

[0001] This disclosure relates to the field of inductor technology, and more particularly to a paint stripping device. Background Technology

[0002] Inductors have a wide range of applications, and those used in automotive products require high standards in terms of characteristics, appearance, and thrust testing. Taking thrust testing as an example, the inductor is first soldered onto a circuit board, and then the entire structure is placed at heights of 1 meter and 1.5 meters for drop tests. This is repeated twenty times, and the test checks for solder detachment from the inductor electrodes. The risk of solder detachment increases with the weight of the inductor. To prevent solder detachment, the copper wires of the electrodes are typically stripped of their enamel before tinning to remove the insulating layer or other contaminants, improving the adhesion of the tin to the copper wires during subsequent tinning and preventing detachment under impact. Current technology uses laser stripping machines to remove the insulating layer or other contaminants from the copper wires. However, after laser stripping, oxide residues remain on the electrode surface, leading to poor tinning of the copper wires and potentially powder burn, affecting the inductor's appearance. Utility Model Content

[0003] The purpose of this disclosure is to provide a stripping device that can strip the copper wires while avoiding oxide residue, which helps to improve the yield of copper wire soldering, avoids powder burn, and helps to ensure the normal appearance of the inductor.

[0004] To achieve this objective, the present disclosure adopts the following technical solution:

[0005] A paint stripping device is provided, comprising:

[0006] Support components;

[0007] The paint stripping unit includes an inclined rail and a cutting blade, both connected to the support member. The inclined plate of the inclined rail extends along a first direction, which forms an acute angle with the vertical direction. The inclined rail is configured such that the workpiece to be cut can slide along the first direction on the inclined rail. The cutting blade has a circular structure and can rotate around its own axis. The edge of the cutting blade can cut the layer to be cut on the workpiece.

[0008] Optionally, the inclined plate has a front and a back side arranged opposite to each other, the front side facing away from vertically downward, the workpiece to be cut is slidably located at the front side, the pivot of the cutting tool is located on one side of the back side, the inclined plate is provided with a clearance hole, and the edge portion of the cutting tool passes through the clearance hole to cut the layer to be cut.

[0009] Optionally, the paint stripping unit further includes an adjustment drive component disposed on the support component, the adjustment drive component being used to adjust the vertical distance between the rotation axis of the cutting tool and the front surface.

[0010] Optionally, the paint stripping unit further includes a first rotation drive, which is connected to the output end of the adjustment drive, and the shaft of the cutting tool is connected to the output end of the first rotation drive. The first rotation drive is used to drive the shaft of the cutting tool to rotate.

[0011] Optionally, the inclined track has two opposing sidewalls, which together with the inclined plate enclose a sliding channel extending along the first direction. The workpiece to be cut can slide within the sliding channel, and the clearance hole is located at the bottom of the sliding channel.

[0012] Optionally, along the second direction, the width of the workpiece to be cut is greater than the width of the clearance hole, the second direction is perpendicular to the first direction, and the second direction is parallel to the front surface.

[0013] Optionally, the angle between the first direction and the vertical direction ranges from 10° to 30°.

[0014] Optionally, the paint stripping unit further includes a pressure roller connected to the support member, the pressure roller being located on one side of the front side, and the edge of the pressure roller being able to roll and press against the workpiece to be cut.

[0015] Optionally, the pressure wheel includes a wheel body and an elastic pressure ring, the elastic pressure ring being disposed around the outer ring of the wheel body, and the elastic pressure ring being used to press against the workpiece to be cut.

[0016] Optionally, the paint stripping unit further includes a second rotation drive, which is disposed on the support member. The shaft of the pressure roller is connected to the output end of the second rotation drive, and the second rotation drive is used to drive the shaft of the pressure roller to rotate.

[0017] The beneficial effects of this disclosure are:

[0018] This disclosure provides a paint stripping device, including a support and a paint stripping unit. The paint stripping unit includes an inclined rail and a cutting blade, both connected to the support. The inclined plate of the inclined rail extends along a first direction, which forms an acute angle with the vertical direction. The inclined rail is configured such that the workpiece to be stripped can slide along the first direction on the inclined rail. The cutting blade has a circular structure and can rotate around its own axis. The edge of the cutting blade can cut the layer to be stripped from the workpiece. When the workpiece to be stripped is an inductor, this paint stripping device can cut the insulation layer and contaminants on the electrode copper wire of the inductor through the edge of the cutting blade. It avoids the oxide residue left after paint stripping by laser paint stripping machines in the prior art, does not affect the yield of tinning the copper wire, and does not cause powder burn, thus helping to ensure the normal appearance of the inductor. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the paint stripping device provided in Embodiment 1 of this disclosure;

[0020] Figure 2 This is a partial structural schematic diagram (including the cutting blade) of the paint stripping device provided in Embodiment 3 of this disclosure.

[0021] Figure 3 This is a partial structural schematic diagram (including drive components) of the paint stripping device provided in Embodiment 3 of this disclosure.

[0022] Figure 4 This is a partial structural schematic diagram (including clearance holes) of the paint stripping device provided in Embodiment 5 of this disclosure.

[0023] In the picture:

[0024] 1. Support component; 11. Support plate; 12. Support platform; 13. Protective cover;

[0025] 2. Paint stripping unit; 21. Inclined track; 211. Inclined plate; 2111. Clearance hole; 212. Side wall; 22. Cutting blade; 23. Adjustment drive component; 24. First rotation drive component; 25. Pressure wheel; 251. Wheel body; 252. Elastic pressure ring; 26. Second rotation drive component;

[0026] 3. Vibratory feeder; 4. Straight vibratory flow channel. Detailed Implementation

[0027] The technical solutions of this disclosure are further described below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely for explaining this disclosure and not for limiting it. Furthermore, it should be noted that, for ease of description, only the parts relevant to this disclosure are shown in the accompanying drawings, and not all of them.

[0028] In the description of this disclosure, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linkage" should be interpreted broadly. For example, they can refer to fixed connections or detachable connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal connections between two components. Those skilled in the art can understand the specific meaning of the above terms in this disclosure based on the specific circumstances.

[0029] In this disclosure, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0030] Example 1

[0031] Inductors have a wide range of applications, and those used in automotive products require high standards in terms of characteristics, appearance, and thrust testing. Taking thrust testing as an example, the inductor is first soldered onto a circuit board, and then the entire structure is placed at heights of 1 meter and 1.5 meters for drop tests. This is repeated twenty times, and the test checks for solder detachment from the inductor electrodes. The risk of solder detachment increases with the weight of the inductor. To prevent solder detachment, the copper wires of the electrodes are typically stripped of their enamel before tinning to remove the insulating layer or other contaminants, improving the adhesion of the tin to the copper wires during subsequent tinning and preventing detachment under impact. Current technology uses laser stripping machines to remove the insulating layer or other contaminants from the copper wires. However, after laser stripping, oxide residues remain on the electrode surface, leading to poor tinning of the copper wires and potentially powder burn, affecting the inductor's appearance.

[0032] Therefore, this embodiment provides a stripping device to solve the above problems. The stripping device can remove the enamel from the copper wire while avoiding oxide residue, which helps to improve the yield of tinning of the copper wire, avoids powder burn, and helps to ensure the normal appearance of the inductor.

[0033] The paint stripping device in this embodiment includes a support member 1 and a paint stripping unit 2. Wherein, as... Figure 1As shown, the paint stripping unit 2 includes an inclined track 21 and a cutting blade 22, both connected to the support member 1. The inclined plate 211 of the inclined track 21 extends along a first direction, which forms an acute angle with the vertical direction. The inclined track 21 is configured such that the workpiece to be cut can slide along the first direction on the inclined track 21. The cutting blade 22 has a circular structure and can rotate around its own axis. The edge of the cutting blade 22 can cut the layer to be cut from the workpiece. Figure 1 As shown, the ab direction is the first direction, and the cd direction is the second direction.

[0034] When the workpiece to be cut is an inductor, the stripping device can cut the insulation layer and dirt on the electrode copper wire of the inductor through the edge of the cutting blade 22. There are no oxides left after the stripping of the inductor by the laser stripping machine in the prior art, and it will not affect the yield of tinning of the copper wire. There will be no powder burn phenomenon, which helps to ensure the normal appearance of the inductor.

[0035] Optionally, the inclined plate 211 has a front and a back side arranged opposite to each other, with the front side facing vertically upward and away from vertically downward, and the back side facing vertically downward and away from vertically upward. The workpiece to be cut is slidably located at the front side, and the pivot of the cutting tool 22 is located on one side of the back side. The inclined plate 211 has a clearance hole 2111, and the edge portion of the cutting tool 22 passes through the clearance hole 2111 to cut the layer to be cut of the workpiece.

[0036] To prevent the inductor from fluctuating unstably and making poor contact with the cutting blade 22, the paint stripping unit 2 may optionally include a pressure roller 25. The pressure roller 25 is connected to the support member 1 and is located on one side of the front. The edge of the pressure roller 25 can roll and press against the workpiece to be cut.

[0037] Optionally, the rotation axes of both the cutting blade 22 and the pressure roller 25 are parallel to the surface of the inclined plate 211. Optionally, the line connecting the rotation axis of the cutting blade 22 and the rotation axis of the pressure roller 25 is perpendicular to the front, that is, the pressure roller 25 can just press against the workpiece to be cut located at the clearance hole 2111, so as to ensure that the workpiece to be cut is in full contact with the edge of the cutting blade 22 during the cutting process, and the cutting blade 22 can cut and grind away the layer to be cut on the workpiece.

[0038] Optionally, the pressure roller 25 includes a roller body 251 and an elastic pressure ring 252. The elastic pressure ring 252 is disposed around the outer ring of the roller body 251. The elastic pressure ring 252 is used to press against the workpiece to be cut. Because the material of the elastic pressure ring 252 is elastic, the elastic pressure ring 252 can elastically deform while the vertical distance between the rotation axis of the pressure roller 25 and the front remains unchanged, thus adapting to inductors of different heights. Optionally, the material of the elastic pressure ring 252 is silicone.

[0039] Optionally, the inclined track 21 has two opposing sidewalls 212, which, together with the inclined plate 211, enclose a sliding channel extending in the first direction. The workpiece to be cut can slide within the sliding channel, thus limiting its movement. When the workpiece to be cut is a rectangular block structure, the sliding channel can prevent it from rotating during the downward movement. The clearance hole 2111 is located at the bottom of the sliding channel.

[0040] Optionally, along the second direction, the width of the workpiece to be cut is greater than the width of the clearance hole 2111. The second direction is perpendicular to the first direction and parallel to the front side. That is, during the downward movement, the workpiece to be cut will not get stuck in the clearance hole 2111, nor will it fall out of the clearance hole 2111.

[0041] Optionally, in some embodiments, the pressure roller 25 can extend into the sliding channel, and the thickness of the elastic pressure ring 252 of the pressure roller 25 is less than the width of the sliding channel.

[0042] To ensure the workpiece slides smoothly, the angle between the first direction and the vertical direction can optionally range from 10° to 30°. Preferably, the angle between the first direction and the vertical direction is 20°.

[0043] Example 2

[0044] This embodiment discloses a paint stripping device. The difference between this device and the one in Embodiment 1 is that, to adaptively adjust the cutting depth of the cutting blade 22, the paint stripping unit 2 optionally includes an adjustment drive 23. The adjustment drive 23 is mounted on the support 1 and is used to adjust the vertical distance between the rotation axis of the cutting blade 22 and the front surface, thereby adjusting the height of the edge protruding clearance hole 2111 of the cutting blade 22 and thus adjusting the cutting depth of the cutting blade 22 on the workpiece. Optionally, the movement direction of the output end of the adjustment drive 23 is parallel to the second direction, so that when the cutting depth of the cutting blade 22 changes, the protruding point of its edge always corresponds to the same position of the clearance hole 2111 along the first direction.

[0045] Optionally, the paint stripping unit 2 further includes a first rotation drive 24, which is connected to the output end of the adjusting drive 23. The shaft of the cutting blade 22 is connected to the output end of the first rotation drive 24, and the first rotation drive 24 is used to drive the shaft of the cutting blade 22 to rotate. That is, the adjusting drive 23 can drive the first rotation drive 24 and the cutting blade 22 to move together.

[0046] Optionally, the support member 1 includes a vertically arranged support plate 11, an inclined rail 21 disposed on one side of the support plate 11, and an adjustment drive member 23 and a first rotation drive member 24 disposed on the other side of the support plate 11. A through hole is provided on the support plate 11, through which the rotation shaft of the cutting tool 22 passes. The length direction of the through hole is parallel to the extension direction of the output end of the adjustment drive member 23 to avoid obstructing the rotation shaft of the cutting tool 22.

[0047] Optionally, the paint stripping unit 2 further includes a second rotation drive 26, which is mounted on the support member 1. The shaft of the pressure roller 25 is connected to the output end of the second rotation drive 26, and the second rotation drive 26 drives the shaft of the pressure roller 25 to rotate. Optionally, the pressure roller 25, the cutting blade 22, and the inclined rail 21 are all mounted on one side of the support plate 11, and the adjusting drive 23, the first rotation drive 24, and the second rotation drive 26 are all mounted on the other side of the support plate 11. Similarly, a through hole is provided on the support plate 11, through which the shaft of the pressure roller 25 passes.

[0048] Optionally, the adjustment drive 23 is a cylinder or a linear motor, and the first rotation drive 24 and the second rotation drive 26 are both motors.

[0049] Apart from the above, the rest of the structure of the paint stripping device provided in this embodiment is the same as that in Embodiment 1, and will not be described again here.

[0050] Example 3

[0051] This embodiment discloses a paint stripping device. The difference between the paint stripping device in this embodiment and the paint stripping device in Embodiment 2 is that: Figure 2 and Figure 3 As shown, optionally, in this embodiment, two cutting blades 22 are provided, with their rotation axes parallel and spaced apart along a first direction. Two clearance holes 2111 are correspondingly provided on the inclined plate 211, and correspondingly, two first rotation drive members 24 and two adjustment drive members 23 are also provided. Providing two cutting blades 22 prevents any missed areas in the layer to be cut; after the first cutting blade 22 peels off the paint, the second cutting blade 22 performs a re-judgment.

[0052] Optionally, in some embodiments, two pressure rollers 25 are provided, with their rotation axes parallel and spaced apart along a first direction. The two pressure rollers 25 correspond to the positions of the two clearance holes 2111. Correspondingly, two second rotation drive members 26 are also provided.

[0053] Optionally, with Figure 2From the perspective of the cutting tool 22 and the pressure roller 25, both rotate counterclockwise. That is, the direction of the force exerted by the cutting tool 22 on the workpiece to be cut is upward along the first direction, and the direction of the force exerted by the pressure roller 25 on the workpiece to be cut is downward along the first direction. Under the action of its own weight and the friction of the pressure roller 25, the workpiece to be cut slides down along the extension direction of the front side, and moves relative to the edge of the cutting tool 22 during the sliding process, so as to achieve the effect of cutting and grinding to remove the layer to be cut.

[0054] Apart from the above, the rest of the structure of the paint stripping device provided in this embodiment is the same as that in Embodiment 2, and will not be described again here.

[0055] Example 4

[0056] This embodiment discloses a paint stripping device. The paint stripping device in this embodiment differs from the paint stripping device in Embodiment 3 in that: optionally, in order to prevent workers from being accidentally injured by the cutting blades 22, the support member 1 also includes a protective cover 13. The protective cover 13 covers and shields the two cutting blades 22, and the edge of the protective cover 13 is connected to the support plate 11.

[0057] Apart from the above, the rest of the structure of the paint stripping device provided in this embodiment is the same as that in Embodiment 3, and will not be described again here.

[0058] Example 5

[0059] This embodiment discloses a paint stripping device. The paint stripping device in this embodiment differs from the paint stripping device in Embodiment 4 in that: Figure 4 As shown, optionally, the paint stripping device also includes a feeding unit, which includes a vibratory feeder 3 and a linear vibrating channel 4. One end of the linear vibrating channel 4 is connected to the outlet of the vibratory feeder 3, and the other end is connected to the upper inlet of the inclined track 21. Both the vibratory feeder 3 and the linear vibrating channel 4 are mounted on the support platform 12 of the support member 1, facilitating the docking of the linear vibrating channel 4 with the inclined track 21. The vibratory feeder 3 and the linear vibrating channel 4 are standard components of a paint stripping device and will not be described in detail here.

[0060] After testing and verification, for the same model of inductor, the inductor's impact resistance increased and its yield improved by 30% after tinning and drop testing, when the enamel stripping device in this embodiment was used compared to the enamel stripping device in the prior art. This enamel stripping device removes the insulation layer from the surface of the inductor's electrode copper wires more thoroughly, greatly improving the tinning bonding strength of the copper wires and resulting in higher product quality.

[0061] Apart from the above, the rest of the structure of the paint stripping device provided in this embodiment is the same as that in Embodiment 4, and will not be described again here.

[0062] Obviously, the above embodiments of this disclosure are merely examples for clear illustration and are not intended to limit the implementation of this disclosure. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this disclosure should be included within the scope of protection of the claims of this disclosure.

Claims

1. A paint stripping device, characterized in that, include: Support component (1); Paint stripping unit (2), the paint stripping unit (2) includes an inclined rail (21) and a cutting blade (22) both connected to the support member (1). The inclined plate (211) of the inclined rail (21) extends along a first direction, the first direction being an acute angle with the vertical direction. The inclined rail (21) is configured such that the workpiece to be cut can slide along the first direction on the inclined rail (21). The cutting blade (22) has a circular structure and can rotate around its own axis. The edge of the cutting blade (22) can cut the layer to be cut of the workpiece to be cut.

2. The paint stripping device according to claim 1, characterized in that, The inclined plate (211) has a front and a back side arranged opposite to each other. The front side faces away from the vertically downward direction. The workpiece to be cut is slidably located on the front side. The pivot of the cutting tool (22) is located on one side of the back side. The inclined plate (211) is provided with a clearance hole (2111). The edge portion of the cutting tool (22) passes through the clearance hole (2111) to cut the workpiece to be cut.

3. The paint stripping device according to claim 2, characterized in that, The paint stripping unit (2) also includes an adjustment drive (23), which is disposed on the support (1) and is used to adjust the vertical distance between the rotation axis of the cutting tool (22) and the front surface.

4. The paint stripping device according to claim 3, characterized in that, The paint stripping unit (2) further includes a first rotation drive (24), which is connected to the output end of the adjustment drive (23). The shaft of the cutting tool (22) is connected to the output end of the first rotation drive (24), and the first rotation drive (24) is used to drive the shaft of the cutting tool (22) to rotate.

5. The paint stripping device according to claim 2, characterized in that, The inclined track (21) has two opposing sidewalls (212), the two sidewalls (212) and the inclined plate (211) together enclose a sliding channel extending along the first direction, the workpiece to be cut can slide in the sliding channel, and the clearance hole (2111) is located at the bottom of the sliding channel.

6. The paint stripping device according to claim 5, characterized in that, Along the second direction, the width of the workpiece to be cut is greater than the width of the clearance hole (2111), the second direction is perpendicular to the first direction, and the second direction is parallel to the front surface.

7. The paint stripping device according to claim 1, characterized in that, The angle between the first direction and the vertical direction ranges from 10° to 30°.

8. The paint stripping device according to claim 2, characterized in that, The paint stripping unit (2) also includes a pressure roller (25), which is connected to the support member (1). The pressure roller (25) is located on one side of the front side, and the edge of the pressure roller (25) can roll and press against the workpiece to be cut.

9. The paint stripping device according to claim 8, characterized in that, The pressure wheel (25) includes a wheel body (251) and an elastic pressure ring (252). The elastic pressure ring (252) is disposed around the outer ring of the wheel body (251) and is used to press against the workpiece to be cut.

10. The paint stripping device according to claim 8, characterized in that, The paint stripping unit (2) further includes a second rotation drive (26), which is disposed on the support (1). The shaft of the pressure roller (25) is connected to the output end of the second rotation drive (26), and the second rotation drive (26) is used to drive the shaft of the pressure roller (25) to rotate.

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