A coil cutting mechanism

Abstract

The utility model provides a kind of coil cutting mechanism, including workbench, cutting module and detection element, the cutting module includes upper die and lower die, the lower die top surface is movably connected with passageway for passing material belt, the detection unit is set to the input end of the passageway, the material belt is distributed with several welding positions for welding coil, each the coil is equipped with wire tail, the upper die is equipped with first cutter, second cutter and pressure column, by using detection element to detect material belt both sides, when detecting that material belt is bent, alarm and stop material belt is sent into passageway, avoid cutting mechanism to cut bent material belt, improve cutting accuracy, improve yield.

Description

Technical Field

[0001] This utility model belongs to the field of inductor equipment, and specifically relates to a coil cutting mechanism. Background Technology

[0002] In actual production, with the rapid rise of electronic technology, surface mount inductors are favored by the market due to their miniaturization, high quality, high energy storage, and low resistance. Therefore, high-quality surface mount inductor manufacturing processes are an indispensable and important part of promoting the development of electronic technology. In the existing surface mount inductor production process, the wires are generally made into hollow coils through a stripping mechanism and a winding mechanism. Then, the hollow coils are soldered one by one onto the material strip through a soldering mechanism. Finally, the soldered material strip is cut into sections by a cutting mechanism to obtain the surface mount inductor. However, since some of the hollow coils soldered onto the material strip need to be fitted with conductor shells for use and protection, the ends of the hollow coils need to be cut. Due to the lack of a detection mechanism in the existing cutting mechanism, if the material strip bends when entering the cutting mechanism, it will affect the cutting accuracy and product quality. Utility Model Content

[0003] (1) Technical problems to be solved This invention provides a coil cutting mechanism, which aims to solve the problem of the lack of a detection mechanism in existing cutting mechanisms.

[0004] (2) Technical solution This utility model provides a coil cutting mechanism, including a workbench, a cutting module and a detection element. The cutting module includes an upper mold and a lower mold. The top surface of the lower mold is movably connected to a channel for passing a material strip. The detection element is disposed at the input end of the channel. The material strip has a plurality of welding positions for welding coils. Each coil has a wire tail. The upper mold is provided with a first cutter, a second cutter and a pressure post. When the material strip enters the channel, the detection element detects both sides of the material strip to prevent the material strip from bending. The upper mold moves to the lower mold and presses the material strip onto the channel, so that the pressure column abuts against the coil on the material strip. The upper mold continues to move to the lower mold, so that the first cutter and the second cutter cut the material strip and the wire tail respectively.

[0005] Preferably, the upper mold includes a driving part and a pressure plate. The first cutter and the second cutter are mounted on the driving part and extend toward the lower mold. The pressure plate is provided with a first guide hole, a second guide hole and a third guide hole, which are respectively used to slide with the first cutter, the second cutter and the pressure column.

[0006] Preferably, a first elastic member is provided between the driving part and the pressure plate. The first elastic member is used for elastic cooperation between the driving part and the pressure plate. The pressure plate is provided with a first guide member. The first guide member slides through the driving part and has a limiting part at its end for limiting cooperation with the top surface of the driving part.

[0007] Preferably, the third guide hole has openings at both the upper and lower ends, wherein the lower opening of the third guide hole forms a cavity, which is used for the coil on the material strip to enter the cavity and be fixed after the pressure plate presses the material strip into the channel, and to abut against and fix it with the pressure column.

[0008] Preferably, the third guide hole extends into two sides with limiting grooves, and a limiting block is provided on the upper part of one side of the pressure column for limiting cooperation with the limiting groove. When the limiting block abuts against the limiting groove, the bottom surface of the pressure column is close to the bottom surface of the pressure plate.

[0009] Preferably, the driving part is provided with a second elastic element connected to the pressure column.

[0010] Preferably, the pressure plate includes a fixing member and a working member, the working member being detachably installed in the fixing member, and the first guide hole, the second guide hole, and the third guide hole penetrating the fixing member and the working member.

[0011] Preferably, the channel includes symmetrically arranged fixed blocks, the lower mold has a movable cavity, the movable cavity has a third elastic element connected to the fixed blocks, each fixed block has a sliding groove on an opposite side for passing material strip, and the top surface of the fixed block is pressed into the workpiece.

[0012] Preferably, the working piece is provided with a pressing groove that presses against the top surface of the fixing block.

[0013] Preferably, the pressure groove has a pressure strip on one side near the middle of the workpiece, and the pressure strip extends toward the lower die to press against the top surface of the strip.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: During operation, the material strip is fed into the channel. Detection elements monitor both sides of the strip to identify any bending after entry. The strip stops after a certain length, at which point the coil on the strip is positioned corresponding to the pressure post, and the coil's cutting point is aligned with the second cutter. Cutting occurs as the front die moves downwards, the upper die contacts the top surface of the channel, and the coil contacts and abuts against the pressure post, thus pressing and fixing the coil. The front die continues to press down, and the first cutter cuts off the end of the strip, while the second cutter cuts off the tail end, improving production efficiency. By using detection elements to monitor both sides of the strip, an alarm is triggered and the feeding of the strip into the channel is stopped when bending is detected, preventing the cutting mechanism from cutting bent strips, thus improving cutting accuracy and yield. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model.

[0016] Figure 2 This is one of the cross-sectional views of the present invention in use with a pressure column.

[0017] Figure 3 This is the second cross-sectional view of the utility model in use, showing the pressure column.

[0018] Figure 4 This is one of the cross-sectional views of the present invention in use.

[0019] Figure 5 This is the second cross-sectional view of the utility model in use.

[0020] Figure 6 This is a schematic diagram showing the first cutter, the second cutter, and the pressure column of this utility model corresponding to the first guide hole, the second guide hole, and the third guide hole, respectively.

[0021] Figure 7 This is a cross-sectional view of the pressure plate of this utility model where a third guide hole is provided.

[0022] Figure 8 This is a schematic diagram of the material strip processed by this utility model.

[0023] Figure 9 This is a schematic diagram of the structure of the present invention when the material strip bends. Figure label: Material strip 1, cylinder 10, coil 11, welding position 12, wire tail 13, cutting module 2, drive unit 20, first elastic element 201, second elastic element 202, upper mold 21, first cutter 211, second cutter 212, pressure column 213, limit block 214, lower mold 22, movable cavity 221, clearance position 222, discharge port 223, third elastic element 23, channel 3, detection element 30, input end 301, fixing block 31, slide groove 311, pressure plate 4, first guide hole 401, second guide hole 402, third guide hole 403, guide part 4031, movable part 4032, fixing part 41, working part 42, pressure groove 421, pressure strip 422, cavity 431, limit groove 432, first guide part 44, limit part 441. Detailed Implementation

[0024] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0025] like Figures 1-9 As shown, this utility model provides a coil cutting mechanism, including a workbench, a cutting module 2 and a detection element 30. The cutting module 2 includes an upper mold 21 and a lower mold 22. The top surface of the lower mold 22 is movably connected to a channel 3 for passing through a material strip 1. The detection element is disposed at the input end 301 of the channel 3. The material strip 1 has a plurality of welding positions 12 for welding coils 11. Each coil 11 is provided with a wire tail 13 for cutting the wire tail 13. The upper mold 21 is provided with a first cutter 211, a second cutter 212 and a pressure post 213. When the material strip 1 enters the channel 3, the detection element 30 detects both sides of the material strip 1 to prevent the material strip 1 from bending. The material strip 1 is pressed onto the channel 3 by the upper mold 21 and the lower mold 22. The pressure column 213 abuts against the coil 11 on the material strip 1. The material strip 1 is then pressed onto the channel 3 by the upper mold 21 and the lower mold 22. The first cutter 211 and the second cutter 212 cut the material strip 1 and the wire tail 13 respectively.

[0026] It is worth noting that the inspection mechanism can be a photoelectric sensor, which emits photoelectric signals to detect whether the two sides of the material strip are straight; or it can be a CCD camera to perform image inspection on both sides of the material strip.

[0027] Furthermore, such as Figures 2-7The upper mold 21 includes a driving part 20 and a pressure plate 4. The first cutter 211 and the second cutter 212 are mounted on the driving part 20 and extend towards the lower mold 22. The pressure plate 4 is provided with a first guide hole 401, a second guide hole 402, and a third guide hole 403, which are respectively used for sliding cooperation with the first cutter 211, the second cutter 212, and the pressure post 213. A first elastic member 201 is provided between the driving part 20 and the pressure plate 4 for elastic cooperation between the driving part 20 and the pressure plate 4. The pressure plate 4 is provided with a first guide member 44, which slides through the driving part 20 and has a limiting part 441 at its end for limiting cooperation with the top surface of the driving part 20. The driving part 20 is provided with a second elastic member 202 connected to the pressure post 213.

[0028] Specifically, during use, the material belt 1 is conveyed into the channel 3. During this process, the detection element 3 detects both sides of the material belt 1 to identify whether the material belt 1 is in accordance with the requirements after entering the channel 3. Figure 9 The bending process is shown, and the material strip 1 stops after entering the channel 3 for a certain length. At this time, the coil 11 on the material strip 1 is located at the position corresponding to the pressure post 213, and the cutting point of the coil 11 is located at the position corresponding to the second cutter 212. Under normal conditions, the pressure plate 4 is located below the drive part 20 and does not contact the drive part 20. At this time, the limiting part 441 is in limiting contact with the top surface of the drive part 20, so that the pressure plate 4 is in a state of being hung on the drive part 20 through the limiting part 441 and the first guide member 44. During cutting, the drive part 20 moves downward, driving the pressure plate 4 to move downward, so that the pressure plate 4 presses against the top of the channel 3 and presses the channel 3 into the lower mold 22, so that the material strip 1 is supported by the top surface of the lower mold 22. At this time, the coil 11 on the material strip 1 enters the third guide hole 403, and the coil 11 will... The pressure column 213 is lifted, compressing the second elastic element 202. The pressure column 213 presses elastically against the top surface of the coil 11, achieving elastic fixation of the coil 11 and a more stable fixing effect. One end of the material strip 1 corresponds to the first guide hole 401, and each coil 11 on the material strip 1 corresponds to each second guide hole 402. At this time, the drive unit 20 continues to press down, compressing the first elastic element 201, so that the pressure plate 4 is elastically pressed against the top surface of the channel 3, achieving a more stable pressing effect. The first cutter 211 and the second cutter 212 continue to press down, cutting off one end of the material strip 1 and the end 13 of the coil 11 respectively. The elastic fixation of the coil 11 by the pressure column 213 and the elastic pressing of the channel 3 by the pressure plate 4 achieve a better fixing effect on the material strip 1, thereby achieving precise cutting.

[0029] In addition, such as Figures 2-5As shown, a drive mechanism can be set up to drive the front mold. For example, the drive mechanism can be a cylinder 10, which drives the front mold to move. That is, the output shaft of the cylinder 10 is connected to the drive unit 20. When the drive unit 20 moves, the drive unit 20 drives the pressure plate 4 to move. The drive mechanism can also be other existing mechanisms that can realize linear push-pull of the front mold, which will not be described in detail here.

[0030] Furthermore, such as Figures 2-7 As shown, the third guide hole 403 has openings at both the top and bottom. The lower opening of the third guide hole 403 forms a cavity 431, which is used for the coil 11 on the material strip 1 to enter the cavity 431 and be fixed after the pressure plate 4 presses the material strip 1 into the channel 3, and to abut and fix it with the pressure column 213. Limiting grooves 432 extend to both sides inside the third guide hole 403. A limiting block 214 is provided on the upper part of one side of the pressure column 213 for limiting cooperation with the limiting groove 432. When the limiting block 214 abuts with the limiting groove 432, the bottom surface of the pressure column 213 is close to the bottom surface of the pressure plate 4.

[0031] Specifically, under normal conditions, the second elastic element 202 presses the pressure column 213 into the cavity 431 within the third guide hole 403, causing the limiting block 214 on the pressure column 213 to abut against the limiting groove 432. At this time, the bottom surface of the pressure column 213 is close to the bottom surface of the pressure plate 4, but it is not flush with the bottom surface of the pressure plate 4 when pressing the ground. Furthermore, the bottom surface of the pressure column 213 and the cavity 431 combine to form a groove-shaped area. During cutting, the drive unit 20 moves downward, causing the pressure plate 4 to move downward, pressing the pressure plate 4 against the cavity. The top of channel 3 is pressed into the lower mold 22, so that the material strip 1 is supported by the top surface of the lower mold 22. At this time, the coil 11 enters the groove-shaped area formed by the bottom surface of the pressure column 213 and the cavity 431. As the pressure plate 4 continues to descend, the coil 11 extends into the cavity 431, lifts the pressure column 213 and compresses the first elastic element 201, and implements the movement of the limiting block 214 away from the limiting groove 432. During this process, the limiting block 214 slides with the inner wall of the limiting groove 432, and the limiting groove 432 also realizes the guiding function.

[0032] Furthermore, such as Figures 2-7 As shown, the pressure plate 4 includes a fixing member 41 and a working member 42. The working member 42 is detachably installed in the fixing member 41. The first guide hole 401, the second guide hole 402, and the third guide hole 403 penetrate the fixing member 41 and the working member 42.

[0033] Based on the above, the pressure plate 4 consists of a fixing member 41 and a working member 42. The first guide hole 401, the second guide hole 402, and the third guide hole 403 are all through-holes in the fixing member 41 and the working member 42. It is worth noting that the first guide hole 401, the second guide hole 402, and the third guide hole 403 are arranged in a straight line on the pressure plate 4. The number of second guide holes 402 and third guide holes 403 is the same, and there is only one first guide hole 401, located at one end of the pressure plate 4. It should be noted that... Figure 7 As shown, the portion of the third guide hole 403 located on the fixing member 41 is formed by combining a round hole corresponding to the pressure post 213 and a small hole corresponding to the limiting block 214, thus forming a guide portion 4031 to guide the pressure post 213 and the limiting block 214. The portion of the third guide hole 403 located on the working member 42 is formed by combining a space for the movement of the pressure post 213 and a limiting groove 432, thus forming a movable portion 4032. The cavity 431 is located at the bottom of the working member 42 and communicates with the movable portion 4032. In normal conditions, the lower half of the pressure post 213 is located within the movable portion 4032 and communicates with the movable portion 4032. The moving part 4032 is slidably connected, and the upper half of the pressure column 213 is located in the guide part 4031 and is slidably connected to the guide part 4031. When the coil 11 is inserted into the cavity 431 and lifts the pressure column 213, the pressure column 213 slides within the moving part 4032 and the guide part 4031. At the same time, the limiting block 214 slides within the moving part 4032 and the guide part 4031. It is worth noting that the fixing member 41 is recessed inward to form a groove for installing the working part 42. The working part 42 is detachably installed in the groove through a connector, such as a bolt, to achieve a detachable effect.

[0034] Furthermore, such as Figures 2-5 As shown, the channel 3 includes symmetrically arranged fixed blocks 31. The lower mold 22 has a movable cavity 221, and a third elastic element 23 connected to the fixed blocks 31 is provided in the movable cavity 221. Each fixed block 31 has a sliding groove 311 on an opposing side for the passage of the material strip 1. The top surface of the fixed block 31 is in press-fit with the working piece 42. The working piece 42 has a pressing groove 421 that presses against the top surface of the fixed blocks 31. The pressing groove 421 has a pressing strip 422 on one side near the middle of the working piece 42. The pressing strip 422 extends towards the lower mold and is used to press against the top surface of the material strip 1.

[0035] Specifically, when the material strip 1 enters, both sides of the material strip 1 enter the sliding grooves 311 on both sides respectively, and slide between the upper mold 21 and the lower mold 22 within the sliding grooves 311. During cutting, the drive unit 20 moves downward, thereby driving the pressure plate 4 to move downward, and causing the pressure groove 421 on the working part 42 of the pressure plate 4 to press against the top surface of the fixing block 31. At this time, the two sides of the pressure groove 421 are pressed against the top surface of the fixing block 31 to prevent the fixing block 31 from twisting. As the pressure plate 4 presses down, it drives the fixing block 31 to move into the movable wall of the lower mold 22 and compresses the third elastic member 23 until the sliding groove 311 is reached. The strip 1 is fastened to the top surface of the lower mold 22, and the top surface of the lower mold 22 supports the strip 1. At the same time, the top surface of the strip 1 is pressed by the pressure strip 422 to keep the strip 1 flat, so that the strip 1 can better maintain its shape during cutting. It is worth noting that the lower mold 22 can also be provided with a clearance position 222 at the position corresponding to the coil 11. When the top surface of the lower mold 22 supports the strip 1, the bottom of the coil 11 extends into the clearance position 222 for clearance. The lower mold 22 can also be provided with a discharge port 223 at the position corresponding to the first guide hole 401 and the second guide hole 402 to discharge the waste material after cutting.

[0036] The following is a detailed explanation of the working principle of this utility model; During use, the material belt 1 is conveyed into the channel 3. During this process, the detection element 3 detects both sides of the material belt 1 to identify whether the material belt 1 is in accordance with the requirements after entering the channel 3. Figure 9 The bending process is shown, and the material strip 1 stops after entering the channel 3 for a certain length. At this time, the coil 11 on the material strip 1 is located at the position corresponding to the pressure post 213, and the cutting point of the coil 11 is located at the position corresponding to the second cutter 212. During cutting, the front mold moves to the lower mold 22, and the upper mold 21 contacts the top surface of the channel 3. At the same time, the coil 11 contacts and abuts against the pressure post 213, thereby pressing and fixing the coil 11. The front mold continues to press down, and the end of the material strip 1 is cut off by the first cutter 211, and the wire tail 13 is cut off by the second cutter 212, improving production efficiency. The detection element 3 is used to detect both sides of the material strip 1, such as... Figure 9 As shown, when a bend is detected in the material belt 1, an alarm is triggered and the feeding of the material belt 1 into the channel 3 is stopped, thus preventing the cutting mechanism from cutting the bent material belt 1, improving cutting accuracy, and increasing the yield.

[0037] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style of the specification is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other implementations that can be understood by those skilled in the art.

[0038] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A coil cutting mechanism, characterized in that: The device includes a workbench, a cutting module (2), and a detection element (30). The cutting module (2) includes an upper mold (21) and a lower mold (22). The top surface of the lower mold (22) is movably connected to a channel (3) for passing through the material strip (1). The detection element (30) is located at the input end (301) of the channel (3). The material strip (1) has several welding positions (12) for welding coils (11). Each coil (11) has a wire tail (13). The upper mold (21) is provided with a first cutter (211), a second cutter (212), and a pressure column (213). When the strip (1) enters the channel (3), the detection element (30) detects both sides of the strip (1) to prevent the strip (1) from bending. The strip (1) moves from the upper mold (21) to the lower mold (22) and presses the strip (1) onto the channel (3), so that the pressure column (213) abuts against the coil (11) on the strip (1). The strip (1) continues to move from the upper mold (21) to the lower mold (22), so that the first cutter (211) and the second cutter (212) cut the strip (1) and the tail (13) respectively.

2. The coil cutting mechanism according to claim 1, characterized in that: The upper mold (21) includes a drive unit (20) and a pressure plate (4). The first cutter (211) and the second cutter (212) are mounted on the drive unit (20) and extend toward the lower mold (22). The pressure plate (4) is provided with a first guide hole (401), a second guide hole (402) and a third guide hole (403), which are respectively used to slide with the first cutter (211), the second cutter (212) and the pressure column (213).

3. The coil cutting mechanism according to claim 2, characterized in that: A first elastic member (201) is provided between the driving part (20) and the pressure plate (4). The first elastic member (201) is used for elastic cooperation between the driving part (20) and the pressure plate (4). The pressure plate (4) is provided with a first guide member (44). The first guide member (44) slides through the driving part (20) and is provided with a limiting part (441) at its end for limiting cooperation with the top surface of the driving part (20).

4. The coil cutting mechanism according to claim 2, characterized in that: The third guide hole (403) is open at both the upper and lower ends. The lower end of the third guide hole (403) forms a cavity (431) for the coil (11) on the material strip (1) to enter the cavity (431) and be fixed after the pressure plate (4) presses the material strip (1) into the channel (3), and to abut against the pressure column (213).

5. The coil cutting mechanism according to claim 4, characterized in that: The third guide hole (403) extends into two sides with a limiting groove (432). A limiting block (214) is provided on the upper part of one side of the pressure column (213) for limiting cooperation with the limiting groove (432). When the limiting block (214) abuts against the limiting groove (432), the bottom surface of the pressure column (213) is close to the bottom surface of the pressure plate (4).

6. The coil cutting mechanism according to claim 2, characterized in that: The drive unit (20) is provided with a second elastic element (202) connected to the pressure column (213).

7. The coil cutting mechanism according to any one of claims 2 to 6, characterized in that: The pressure plate (4) includes a fixing member (41) and a working member (42). The working member (42) is detachably installed in the fixing member (41). The first guide hole (401), the second guide hole (402), and the third guide hole (403) pass through the fixing member (41) and the working member (42).

8. The coil cutting mechanism according to claim 7, characterized in that: The channel (3) includes symmetrically arranged fixed blocks (31), the lower mold (22) is provided with a movable cavity (221), the movable cavity (221) is provided with a third elastic element (23) connected to the fixed block (31), each fixed block (31) is provided with a sliding groove (311) on the opposite side for passing the material strip (1), and the top surface of the fixed block (31) is pressed and engaged with the working piece (42).

9. The coil cutting mechanism according to claim 8, characterized in that: The working part (42) is provided with a pressing groove (421) that presses against the top surface of the fixing block (31).

10. The coil cutting mechanism according to claim 9, characterized in that: The pressure groove (421) has a pressure strip (422) on one side near the middle of the workpiece (42), the pressure strip (422) extends toward the lower die (22) and is used to press against the top surface of the strip (1).

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