Cutting device for PCB boards

Abstract

The application relates to the technical field of PCB processing equipment, and provides a cutting device for a PCB, which comprises a base, a cutting assembly and a first connecting assembly. The base comprises a platform and a support frame, the support frame is fixed with the platform, and the PCB is placed on the platform; the cutting assembly comprises a sliding table and a cutter, the sliding table is slidably connected with the support frame along a first direction, the cutter is installed on the sliding table, and the cutter can process the PCB; the first connecting assembly comprises a first limiting piece, a first connecting piece and a first elastic piece, the first connecting piece is slidably inserted into the platform along the first direction, one end of the first connecting piece is fixed with the sliding table, the other end is fixed with the first limiting piece, the first elastic piece is arranged between the first limiting piece and the base, and the first elastic piece makes the sliding table always have a tendency to move towards the platform. In this way, the cutter can always be attached to the PCB until the preset depth is reached.

Description

Technical Field

[0001] This invention relates to the field of PCB board processing equipment technology, and in particular to a cutting device for PCB boards. Background Technology

[0002] A PCB (Printed Circuit Board) is a core component of electronic devices, used to mechanically fix electronic components and achieve electrical connections through copper foil traces. It consists of an insulating substrate (such as FR4 epoxy resin, polyimide, etc.) and a conductive layer (copper foil), and is manufactured through processes such as etching, drilling, and electroplating.

[0003] To be suitable for high-speed / high-frequency circuits, PCB boards often adopt a multi-layer structure.

[0004] Currently, in order to assess the assembly quality of PCB boards, the slicing method is often used, that is, by cutting, grinding, polishing, and microscopic observation, the internal structural quality of the PCB (printed circuit board) or PCBA (assembled circuit board) is inspected.

[0005] During the slicing process, the cutting tool performs material reduction on the PCB board. As processing continues, gaps can easily appear between the PCB board and the cutting tool, making it impossible to process to the preset depth.

[0006] Therefore, there is an urgent need for a cutting device for PCB boards to solve the above-mentioned technical problems. Summary of the Invention

[0007] The purpose of this invention is to provide a cutting device for PCB boards that enables the cutting tool to always be in contact with the PCB board until a preset depth is reached.

[0008] To achieve this objective, the present invention adopts the following technical solution:

[0009] A cutting device for PCB boards, including:

[0010] The base includes a platform and a support frame, wherein the support frame is fixed to the platform and the PCB board is placed on the platform.

[0011] The cutting assembly includes a slide table and a cutting tool. The slide table is slidably connected to the support frame along a first direction. The cutting tool is mounted on the slide table and is capable of processing the PCB board.

[0012] The first connecting component includes a first limiting member, a first connecting member, and a first elastic member. The first limiting member and the slide are respectively located on opposite sides of the platform in the first direction. The first connecting member is slidably inserted into the platform in the first direction. One end of the first connecting member is fixed to the slide and the other end is fixed to the first limiting member. The first elastic member is provided between the first limiting member and the base. The first elastic member makes the slide always have a tendency to move toward the platform.

[0013] As a preferred technical solution of the above-mentioned cutting device for PCB board, it further includes a clamping assembly, which includes a first stop and a second stop. The first stop is fixed to the platform, and the second stop is movably mounted on the platform in the first direction. The first stop has a clearance hole in the first direction, and the cutting tool can pass through the clearance hole to contact the PCB board.

[0014] As a preferred technical solution of the above-mentioned cutting device for PCB board, it further includes a second connecting component. The second connecting component includes a second limiting member, a second connecting member, and a second elastic member. The second connecting member is slidably inserted into the platform in the first direction. One end of the second connecting member is fixed to the second stop, and the other end is fixed to the second limiting member. The second elastic member is provided between the second limiting member and the base. The second elastic member makes the second stop always have a tendency to move towards the first stop.

[0015] As a preferred technical solution of the above-mentioned cutting device for PCB board, the slide table includes a main body, a slider, and a connecting part. The cutting tool is installed on the main body. Two sliders are provided, located on opposite sides of the main body in a second direction. The sliders are fixed to the main body through the connecting part. In a third direction, the maximum thickness of the slider is greater than the maximum thickness of the connecting part. The support frame is provided with a corresponding groove. The slider and at least part of the connecting part are inserted into the groove.

[0016] The first direction, the second direction, and the third direction mentioned above are perpendicular.

[0017] As a preferred technical solution of the above-mentioned cutting device for PCB board, the cutting tool includes a tool holder and a cutting head. The tool holder is cylindrical and rotatably connected to the slide table. The cutting tool is mounted on the peripheral side wall of the tool holder.

[0018] As a preferred technical solution of the above-mentioned cutting device for PCB board, it also includes an upper cover, which is detachably connected to the base, and the upper cover and the platform clamp the PCB board in a third direction.

[0019] The first direction mentioned above is perpendicular to the third direction mentioned above.

[0020] As a preferred embodiment of the above-mentioned cutting device for PCB board, the upper cover is equipped with a rubber pad, which is sandwiched between the upper cover and the PCB board.

[0021] As a preferred technical solution of the above-mentioned cutting device for PCB board, the upper cover is provided with a guide post, the base is provided with a guide hole, and the guide hole and the guide post are inserted into each other along the third direction.

[0022] As a preferred technical solution of the above-mentioned cutting device for PCB board, it also includes a handle, one end of which is prismatic and inserted into the cutting tool along a third direction. The cutting tool can rotate around the handle, and the first direction is perpendicular to the third direction.

[0023] As a preferred technical solution of the above-mentioned cutting device for PCB boards, it further includes:

[0024] An adjustment component, comprising a first adjustment block and a second adjustment block, wherein both the first adjustment block and the second adjustment block are movable relative to the base in a second direction, for driving the PCB board to move relative to the platform;

[0025] An image acquisition device is mounted on the base and is staggered with the cutting tool in the second direction to acquire image information of the cut of the PCB board.

[0026] The first direction mentioned above is perpendicular to the second direction mentioned above.

[0027] Beneficial effects of this invention:

[0028] This invention provides a cutting device for PCB boards, including a base, a cutting assembly, and a first connecting assembly. The base includes a platform and a support frame, with the support frame fixed to the platform and the PCB board placed on the platform. The cutting assembly includes a slide table and a cutting tool, with the slide table slidably connected to the support frame along a first direction. The cutting tool is mounted on the slide table and can process the PCB board. The first connecting assembly includes a first limiting member, a first connecting member, and a first elastic member. The first limiting member and the slide table are located on opposite sides of the platform along the first direction. The first connecting member is slidably inserted into the platform along the first direction, with one end fixed to the slide table and the other end fixed to the first limiting member. A first elastic member is provided between the first limiting member and the base, ensuring that the slide table always tends to move towards the platform.

[0029] Let the contact position between the slide and the platform in the first direction be the processing endpoint. A first elastic element acts on a first limiting element in the first direction, causing the first limiting element to move away from the platform in the first direction. The first limiting element pulls the slide through a first connecting element, ensuring the slide always moves closer to the platform. That is, when the platform is not loaded with a PCB board, the slide is at the processing endpoint. After the PCB board is installed on the platform, it contacts the tool in the first direction, causing the first elastic element to elastically deform. This causes the slide to move away from the processing endpoint in the first direction. As processing progresses, the tool performs subtractive processing on the PCB board, forming a cut in the area to be processed. During this process, the first elastic element gradually recovers its deformation, causing the slide to gradually move towards its processing endpoint. The tool can also gradually penetrate the cut in the first direction to complete the cut to a preset depth. This configuration ensures that the PCB board is in contact with the tool upon installation on the platform, and the tool remains in close contact with the PCB board throughout the processing until completion. When dealing with PCBs of different specifications, the slide can carry the cutting tool to the corresponding processing starting point and gradually move towards the processing endpoint to complete the processing, thereby increasing its versatility. Attached Figure Description

[0030] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments of the present invention will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the content of the embodiments of the present invention and these drawings without creative effort.

[0031] Figure 1 This is a schematic diagram of the structure of a cutting device for PCB boards provided in an embodiment of the present invention;

[0032] Figure 2 This is an exploded view of the PCB board cutting device provided in an embodiment of the present invention;

[0033] Figure 3 This is a schematic diagram of the structure of the base provided in an embodiment of the present invention;

[0034] Figure 4 This is a front view of the base provided in an embodiment of the present invention;

[0035] Figure 5 This is a rear view of the base provided in an embodiment of the present invention;

[0036] Figure 6 This is a front view of the slide provided in an embodiment of the present invention;

[0037] Figure 7 This is an assembly diagram of the slide and the base provided in an embodiment of the present invention;

[0038] Figure 8 This is an assembly diagram of the slide and the first connecting component provided in an embodiment of the present invention;

[0039] Figure 9 This is an assembly diagram of the second stop and the second connecting component provided in an embodiment of the present invention;

[0040] Figure 10 This is a schematic diagram of the structure of the upper cover provided in an embodiment of the present invention;

[0041] Figure 11 This is a schematic diagram of the assembly of the top cover and the rubber pad provided in an embodiment of the present invention;

[0042] Figure 12 This is a schematic diagram of the grip structure provided in an embodiment of the present invention;

[0043] Figure 13 This is a schematic diagram of the structure of the cutting tool provided in an embodiment of the present invention.

[0044] In the picture:

[0045] X, first direction; Y, second direction; Z, third direction;

[0046] 100. Base; 110. Platform; 111. First end face A; 112. First end face B; 113. First end face C; 114. First mounting hole; 1141. Opening B1; 1142. Opening C1; 115. Second mounting hole; 1151. Opening B2; 1152. Opening C2; 120. Support frame; 121. Support sub-frame; 122. Slide groove; 1221. First slide rail; 1222. Second slide rail; 130. Guide hole;

[0047] 200. Cutting assembly; 210. Slide table; 211. Main body; 2111. Third mounting hole; 2112. Second insertion hole; 212. Slider part; 213. Connecting part; 220. Tool; 221. First insertion hole;

[0048] 300, First connecting component; 310, First limiting component; 320, First connecting component; 330, First elastic component;

[0049] 400 Clamping assembly; 410 First stop; 411 Clearance hole; 420 Second stop;

[0050] 500. Second connecting component; 510. Second limiting component; 520. Second connecting component; 530. Second elastic component;

[0051] 600, Top cover; 610, Guide post; 620, Insertion slot; 630, Groove;

[0052] 700, Rubber pad; 800, Grip; 810, Holding part; 820, Transition part; 830, Insertion part. Detailed Implementation

[0053] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, and not all of the structures.

[0054] In the description of this invention, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0055] In this invention, unless otherwise explicitly 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.

[0056] In the description of this embodiment, the terms "upper," "lower," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present invention. In addition, the terms "first" and "second" are used only for distinction in description and have no special meaning.

[0057] like Figures 1 to 13As shown, the present invention provides a cutting device for PCB boards, including a base 100, a cutting assembly 200, and a first connecting assembly 300. The base 100 includes a platform 110 and a support frame 120, the support frame 120 being fixed to the platform 110, and the PCB board being placed on the platform 110. The cutting assembly 200 includes a slide 210 and a cutting tool 220, the slide 210 being slidably connected to the support frame 120 along a first direction X, and the cutting tool 220 being mounted on the slide 210, capable of processing the PCB board. The first connecting assembly 300 includes a first limiting member 310, a first connecting member 320, and a first elastic member. The first limiting member 310 and the slide 210 are respectively located on opposite sides of the platform 110 in the first direction X. The first connecting member 320 is slidably inserted into the platform 110 in the first direction X. One end of the first connecting member 320 is fixed to the slide 210 and the other end is fixed to the first limiting member 310. A first elastic member 330 is provided between the first limiting member 310 and the base 100. The first elastic member 330 makes the slide 210 always have a tendency to move towards the platform 110.

[0058] For example, platform 110 includes a first end face A111, a first end face B112, and a first end face C113, wherein the first end face B112 and the first end face C113 are opposite sides of platform 110 in the first direction X, and the first end face A111 is perpendicular to the first end face B112. The first end face A111 is used to place a PCB board. Platform 110 has a first mounting hole 114 along the first direction X. The first mounting hole 114 is a through hole, forming an opening B11141 on the first end face B112 and an opening C11142 on the first end face C113. The diameter of the opening B11141 is D. B1 The diameter of the opening C11142 is D. C1 The first limiting member 310 and the slide 210 are located on opposite sides of the platform 110 in the first direction X, that is, the first limiting member 310, the first end face B112, the first end face C113 and the slide 210 are arranged sequentially along the first direction X, and the first limiting member 310 is located at the maximum dimension L perpendicular to the first direction X. 第一限 Satisfying L 第一限 >D B1 That is, the first limiting member 310 cannot enter the opening B11141 along the first direction X, and the slide 210 is at its maximum dimension L perpendicular to the first direction X. 滑台 Satisfying L 滑台 >D C1That is, the slide 210 cannot enter the opening C11142 along the first direction X. The first connector 320 is slidably inserted into the first mounting hole 114. One axial end of the first connector 320 is connected to the first limiting member 310, and the other end is connected to the slide 210. In this way, the slide 210 can slide relative to the support frame 120 along the first direction X. When the first limiting member 310 abuts against the platform 110 along the first direction X, the slide 210 moves to the farthest end from the platform 110. Thus, the first limiting member 310 restricts the range of movement of the slide 210 relative to the platform 110 in the first direction X, preventing the slide 210 from exiting the base 100.

[0059] Furthermore, let the contact position between the slide table 210 and the platform 110 in the first direction X be the processing endpoint. The first elastic member 330 acts on the first limiting member 310 in the first direction X, causing the first limiting member 310 to move away from the platform 110 in the first direction X. The first limiting member 310 pulls the slide table 210 through the first connecting member 320, so that the slide table 210 always moves towards the platform 110. That is, when the platform 110 is not loaded with a PCB board, the slide table 210 is located at the processing endpoint. After the PCB board is mounted on the platform 110, the PCB board and the tool 220 come into contact in the first direction X, causing the first elastic element 330 to elastically deform. This causes the slide table 210 to move away from the processing endpoint along the first direction X. As processing progresses, the tool 220 performs subtractive processing on the PCB board, forming a cut in the area to be processed. During this process, the first elastic element 330 gradually recovers its deformation, causing the slide table 210 to gradually move towards its processing endpoint. The tool 220 can also gradually penetrate deeper into the cut along the first direction X to complete the cut to the preset depth. This configuration ensures that the PCB board is in contact with the tool 220 upon mounting to the platform 110, and the tool 220 remains in close contact with the PCB board throughout the processing until completion. When dealing with PCB boards of different specifications, the slide table 210 can carry the tool 220 to the corresponding processing starting point and gradually move towards the processing endpoint to complete the processing, thereby increasing versatility.

[0060] It should be noted that different specifications of PCB boards include PCB boards with different length dimensions in the first direction X.

[0061] For example, the first limiting member 310 and the first connecting member 320 are integrally formed.

[0062] For example, the first connector 320 is connected to the slide 210 by a thread, that is, the slide 210 has a threaded hole and the end of the first connector 320 is provided with an external thread.

[0063] Furthermore, the first mounting hole 114 forms a countersunk hole on one side of the first end face B112, that is, the first mounting hole 114 includes a large-diameter section and a small-diameter section, and the opening B11141 is the opening of the small-diameter section, satisfying that the diameter of the large-diameter section is greater than L. 第一限 The diameter of the smaller diameter segment is less than L. 第一限 Thus, the first limiting member 310 can move within the large-diameter section, preventing accidental collisions and maintaining structural aesthetics. A shoulder is formed between the large-diameter section and the small-diameter section, and the first elastic member 330 is sandwiched between the shoulder and the first limiting member 310.

[0064] Optionally, the cutting device for the PCB board further includes a clamping assembly 400, which includes a first stop 410 and a second stop 420. The first stop 410 is fixed to the platform 110, and the second stop 420 is movably mounted on the platform 110 in the first direction X. The first stop 410 has a clearance hole 411 in the first direction X, through which the cutting tool 220 can pass and contact the PCB board. This configuration, because the distance between the first stop 410 and the second stop 420 in the first direction X is adjustable, enhances versatility, enabling the cutting device to process PCB boards of more specifications.

[0065] Specifically, the cutting device for the PCB board also includes a second connecting component 500. The second connecting component 500 includes a second limiting member 510, a second connecting member 520, and a second elastic member 530. The second connecting member 520 is slidably inserted into the platform 110 in the first direction X. One end of the second connecting member 520 is fixed to the second stop 420, and the other end is fixed to the second limiting member 510. The second elastic member 530 is provided between the second limiting member 510 and the base 100. The second elastic member 530 makes the second stop 420 always tend to move towards the first stop 410.

[0066] For example, the platform 110 has a second mounting hole 115 along the first direction X. The second mounting hole 115 is a through hole, with an opening B21151 formed on the first end face B112 and an opening C21152 formed on the first end face C113. The diameter of the opening B21151 is D. B2 The diameter of the opening C21152 is D. C2 The second limiting member 510 and the second stop 420 are respectively located on opposite sides of the platform 110 in the first direction X. That is, the second stop 420, the first end face B112, the first end face C113, and the second limiting member 510 are arranged sequentially along the first direction X. The second limiting member 510 is located at its maximum dimension L perpendicular to the first direction X. 第二限 Satisfying L 第二限 >D C2 That is, the second limiting member 510 cannot enter the opening C21152 along the first direction X, and the second stop 420 is at its maximum dimension L perpendicular to the first direction X.挡块 Satisfying L 挡块 >D B2 That is, the second stop 420 cannot enter the opening B21151 along the first direction X. The second connector 520 is slidably inserted into the second mounting hole 115. One axial end of the second connector 520 is connected to the second limiting member 510, and the other end is connected to the second stop 420. In this way, the second stop 420 can slide relative to the platform 110 along the first direction X. When the second limiting member 510 abuts against the platform 110 along the first direction X, the second stop 420 moves to the farthest end from the platform 110. In this way, the movement range of the second stop 420 relative to the platform 110 in the first direction X is limited by the second limiting member 510, preventing the second stop 420 from exiting the base 100.

[0067] Furthermore, the second elastic member 530 acts on the second limiting member 510 along the first direction X, causing the second limiting member 510 to move away from the platform 110 along the first direction X. The second limiting member 510 pulls the second stop 420 through the second connecting member 520, so that the second stop 420 always moves closer to the platform 110. That is, when the platform 110 is not loaded with a PCB, the distance between the second stop 420 and the first stop 410 in the first direction X is minimal. After the PCB board is installed on the platform 110, the PCB board and the second stop 420 abut against each other in the first direction X, which allows the second elastic member 530 to undergo elastic deformation, thereby causing the second stop 420 to move away from the first stop 410 along the first direction X. This configuration ensures that the PCB board is clamped in the first direction X when it is installed on the platform 110. The distance between the second stop 420 and the first stop 410 is adjustable when dealing with PCB boards of different specifications, thereby increasing versatility.

[0068] It should be noted that different specifications of PCB boards include PCB boards with different length dimensions in the first direction X.

[0069] In other embodiments, the second stop 420 is connected to the platform 110 via a telescopic rod that can extend along a first direction X, thereby adjusting the relative position of the second stop 420 and the first stop 410. Before placing the PCB board onto the platform 110, the telescopic rod extends along the first direction X, moving the first stop 410 and the second stop 420 apart to facilitate the placement of the PCB board. After the PCB board is placed on the platform 110, the telescopic rod retracts, causing the second stop 420 to move closer to the first stop 410, clamping the PCB board in the first direction X.

[0070] For example, the second limiting member 510 and the second connecting member 520 are integrally formed.

[0071] For example, the second connector 520 and the second stop 420 are connected by threads, that is, the second stop 420 has a threaded hole and the end of the second connector 520 is provided with an external thread.

[0072] Furthermore, the second mounting hole 115 is countersunk on one side of the first end face C113, that is, the second mounting hole 115 includes a large-diameter section and a small-diameter section, satisfying that the diameter of the large-diameter section is greater than L. 第二限 The diameter of the smaller diameter segment is less than L. 第二限 Thus, the second limiting member 510 can move within the large diameter section, preventing accidental collisions and maintaining the aesthetic appearance of the structure. A shoulder is formed between the large diameter section and the small diameter section, and the second elastic member 530 is clamped between the shoulder and the second limiting member 510.

[0073] Optionally, the slide table 210 includes a main body 211, a slider 212, and a connecting part 213. The cutter 220 is mounted on the main body 211. Two sliders 212 are provided, located on opposite sides of the main body 211 in the second direction Y. The sliders 212 are fixed to the main body 211 through the connecting part 213 and in the third direction Z. The maximum thickness of the sliders 212 is greater than the maximum thickness of the connecting part 213. The support frame 120 is provided with a corresponding groove 122. The sliders 212 and at least part of the connecting part 213 are inserted into the groove 122. The first direction X, the second direction Y, and the third direction Z are perpendicular.

[0074] For example, the support frame 120 includes two support sub-frames 121, which are spaced apart in the second direction Y, forming a sliding space in between. Each of the two support sub-frames 121 has a sliding groove 122 on its opposite sidewall. The sliding groove 122 includes a first slide rail 1221 and a second slide rail 1222. The first slide rail 1221 and the second slide rail 1222 are distributed along the second direction Y and are interconnected. In the third direction Z, the size of the second slide rail 1222 is larger than the size of the first slide rail 1221. In the first direction X, the slider portion 212 of the slide table 210 is inserted into the second slide rail 1222, the connecting portion 213 is inserted into the first slide rail 1221, and the main body portion 211 is located in the sliding space. This configuration, with the slider portion 212 and the connecting portion 213 having varying diameters in the second direction Y, makes it less likely for the slide table 210 to wobble relative to the support frame 120 in the second direction Y.

[0075] Furthermore, in the cross section perpendicular to the first direction X, the outer contour of the slider part 212 is arc-shaped, and the inner contour of the second slide rail 1222 is a corresponding arc-shaped. In this way, the contact area between the slider part 212 and the second slide rail 1222 is relatively large, and stress concentration in the second direction Y can be avoided.

[0076] Furthermore, the main body 211, the connecting part 213, and the slider part 212 are integrally formed.

[0077] Optionally, the tool 220 includes a tool holder and a tool head. The tool holder is cylindrical and rotatably connected to the slide table 210. The tool 220 is mounted on the peripheral side wall of the tool holder.

[0078] In this embodiment, the tool holder is cylindrical and rotatably connected to the slide 210, meaning the tool holder can rotate around its own axis. Sandpaper is used to process the PCB board to create cuts; that is, the sandpaper can also be considered as a cutting head. The sandpaper is fixed to the peripheral wall of the tool holder. As the tool holder rotates, the sandpaper continuously rubs against the PCB board to create cuts.

[0079] For example, sandpaper is adhered to the peripheral wall of the tool holder.

[0080] Specifically, the slide table 210 has a third mounting hole 2111 along the third direction Z. The cylindrical tool holder includes a large diameter section and a small diameter section. The small diameter section is inserted into the third mounting hole 2111. The radius of the large diameter section is larger than the radius of the third mounting hole 2111. The large diameter section is located outside the third mounting hole 2111. The sandpaper is fixed to the peripheral sidewall of the large diameter section.

[0081] Optionally, the cutting device for the PCB board also includes an upper cover 600, which is detachably connected to the base 100. The upper cover 600 and the platform 110 clamp the PCB board in the third direction Z; the first direction X is perpendicular to the third direction Z. With this configuration, the PCB board is clamped in the third direction Z by the upper cover 600 and the platform 110, which not only fixes the PCB board to the platform 110, making it less likely to shift during the cutting tool 220, but the upper cover 600, the platform 110, the first stop 410 and the second stop 420 can also form a relatively closed space to suppress the splashing of debris generated during the PCB board processing.

[0082] Furthermore, the top cover 600 is connected to the base 100 by threaded fasteners.

[0083] Furthermore, the upper cover 600 is provided with a insertion groove 620, and part of the first stop block 410 is inserted into the insertion groove 620, thereby limiting the upper cover 600 to maintain the relative fixation between the upper cover 600 and the base 100.

[0084] Optionally, a rubber pad 700 is installed on the upper cover 600, and the rubber pad 700 is sandwiched between the upper cover 600 and the PCB board. With this configuration, the rubber pad 700 can undergo elastic deformation. When the upper cover 600 is fixed to the platform 110, the rubber pad 700 is squeezed and deformed, which can fill the gap between the upper cover 600 and the PCB board, and can hold the PCB board against the platform 110 to prevent the PCB board from moving during the processing of the tool 220.

[0085] Specifically, a groove 630 is provided on the side face of the top cover 600 facing the platform 110, and a rubber pad 700 is installed in the groove 630.

[0086] For example, the rubber pad 700 is adhered to the top cover 600.

[0087] Optionally, the upper cover 600 is provided with a guide post 610, and the base 100 is provided with a guide hole 130. The guide hole 130 and the guide post 610 are inserted into each other along the third direction Z. In this way, the upper cover 600 and the base 100 are assembled through the insertion relationship between the guide post 610 and the guide hole 130.

[0088] Optionally, the cutting device for the PCB board also includes a handle 800, one end of which is prismatic and inserted into the cutter 220 along the third direction Z. The cutter 220 can rotate around the handle 800, with the first direction X perpendicular to the third direction Z.

[0089] For example, the grip 800 includes a gripping portion 810, a transition portion 820, and a plug-in portion 830. The axis of the gripping portion 810 is parallel to the axis of the plug-in portion 830, and the transition portion 820 is perpendicular to the gripping portion 810. The transition portion 820 connects the gripping portion 810 and the plug-in portion 830. The plug-in portion 830 is hexagonal prism-shaped, and the tool holder of the tool 220 is cylindrical. A first plug-in hole 221 is provided at its axial position. The first plug-in hole 221 is a hexagonal hole corresponding to the plug-in portion 830. The first plug-in hole 221 and the plug-in portion 830 are plugged into each other along the third direction Z. With the plug-in portion 830 as the rotation axis, the gripping portion 810 is driven to revolve around the axis of the plug-in portion 830, thereby driving the tool holder to rotate, so that the tool 220 processes the PCB board.

[0090] Furthermore, the slide 210 has a second insertion hole 2112, which is coaxially arranged with the first insertion hole 221. The second insertion hole 2112 is a circular hole. The insertion part 830 includes a prism segment and a cylindrical segment. In the prism segment, the cross-section of the insertion part 830 is hexagonal, and in the cylindrical segment, the cross-section of the insertion part 830 is circular. The insertion part 830 is inserted into the first insertion hole 221 and the second insertion hole 2112 along the third direction Z. The prism segment is inserted into the first insertion hole 221 to drive the tool 220 to rotate, and the cylindrical end is inserted into the second insertion hole 2112, allowing the handle 800 to rotate relative to the slide 210. Thus, by providing the second insertion hole 2112 in the slide 210, the insertion depth of the handle 800 is increased, so that the handle 800 remains stable when rotating.

[0091] In other embodiments, the tool 220 is driven by a motor.

[0092] Optionally, the cutting device for the PCB board further includes an adjustment assembly and an image acquisition unit. The adjustment assembly includes a first adjustment block and a second adjustment block, both of which are movable relative to the base 100 in the second direction Y, for driving the PCB board to move relative to the platform 110. The image acquisition unit is mounted on the base 100 and is staggered with the cutter 220 in the second direction Y, for acquiring image information of the cut on the PCB board; the first direction X and the second direction Y are perpendicular.

[0093] For example, the first adjusting block and the second adjusting block are spaced apart in the second direction Y. The first adjusting block is mounted on the platform 110 through the first telescopic mechanism, and the second adjusting block is mounted on the platform 110 through the second adjusting mechanism. The first telescopic mechanism and the second telescopic mechanism can extend along the second direction Y respectively. In this way, not only can the distance between the first adjusting block and the second adjusting block in the second direction Y be adjusted to clamp PCB boards of different sizes, but also the position of the first adjusting block and the second adjusting block relative to the platform 110 in the second direction Y can be adjusted, thereby adjusting the position of the PCB board relative to the platform 110 in the second direction Y.

[0094] During the preparation phase, before the PCB board is placed on platform 110, the first and second adjusting blocks are spaced far apart to allow the PCB board to be positioned between them. After the PCB board is placed on platform 110, the first and second adjusting blocks move closer together, clamping the PCB board in the second direction Y, aligning the processing position of the PCB board with the clearance hole of the first stop block 410. After the cutter 220 completes processing on the PCB board, a cut is formed. The first and second adjusting blocks maintain their clamping of the PCB board and move it along the second direction Y, aligning the cut with the image acquisition device, allowing the image acquisition device to acquire image information at the cut.

[0095] For example, the first telescopic mechanism and / or the second telescopic mechanism are telescopic rod models. Taking the first telescopic mechanism as an example, the fixed end of the first telescopic mechanism is fixed to the platform 110, and the telescopic end of the first telescopic mechanism is connected to the first adjusting block. The first telescopic mechanism can extend in the second direction Y to change the distance between its fixed end and telescopic end.

[0096] Furthermore, the first telescopic mechanism and / or the second telescopic mechanism are electric push rods or pneumatic push rods.

[0097] For example, the first telescopic mechanism and / or the second telescopic mechanism are screw-slider models. Taking the first telescopic mechanism as an example, the first telescopic mechanism includes a screw, a slider, and a driving component. The driving component is mounted on the platform 110. The axial direction of the screw is parallel to the second direction Y and rotatably connected to the platform 110. The driving component is used to drive the screw to rotate. The slider is threadedly connected to the screw. When the screw rotates, the slider can reciprocate along the second direction Y. A first adjusting block is mounted on the slider. Specifically, the first telescopic mechanism also includes a guide rod, which is fixed to the platform 110 and parallel to the screw. The slider is slidably sleeved on the guide rod, thus restricting the slider from rotating with the screw through the guide rod. Alternatively, the platform 110 has a groove along the second direction Y, and the slider is at least partially located in the groove, restricting the slider from rotating with the screw through the sidewall of the groove.

[0098] Furthermore, a buffer layer is provided on the side of the first adjusting block that contacts the PCB board. The buffer layer is capable of elastic deformation, thereby forming a flexible contact between the first adjusting block and the PCB board. For example, the buffer layer can be a paint layer, a rubber pad, etc.

[0099] Furthermore, a buffer layer is provided on the side of the second adjusting block that contacts the PCB board. The buffer layer is capable of elastic deformation, thereby creating a flexible contact between the first adjusting block and the PCB board. For example, the buffer layer can be a paint layer, a rubber pad, etc.

[0100] Furthermore, a roller is provided between the first adjusting block and the platform 110. For example, the first adjusting block is equipped with a roller, which contacts the platform 110, not only causing rolling friction between the first adjusting block and the platform 110, but also providing support for the first adjusting block.

[0101] Furthermore, a roller is provided between the second adjusting block and the platform 110. For example, the second adjusting block is equipped with a roller, which contacts the platform 110, not only causing rolling friction between the second adjusting block and the platform 110, but also providing support for the second adjusting block.

[0102] For example, the image acquirer is a camera.

[0103] For example, the image acquisition device is built into the first stop 410. Furthermore, since the PCB board will drop debris when the tool 220 processes the PCB board, the debris may block the image acquisition device, resulting in a blurry image. To address this, the first stop 410 is provided with a brush, which is located between the clearance hole 411 and the image acquisition device in the second direction Y. In this way, the brush can not only prevent debris from splashing towards the image acquisition device, but also sweep away the debris adhering to the PCB board when the PCB board moves in the second direction Y.

[0104] For example, let the two end faces of the PCB board in the first direction X be the second end face A and the second end face B, the two end faces in the second direction Y be the second end face C and the second end face D, and the two end faces in the second direction Y be the second end face E and the second end face F. The second end face A is used to contact the first stop block 410, the second end face B is used to contact the second stop block 420, the second end face C is used to contact the first adjusting block, the second end face D is used to contact the second adjusting block, the second end face E is used to contact the platform 110, and the second end face F is used to contact the upper cover 600.

[0105] Specifically, the control methods are as follows:

[0106] S11. Obtain the processing location information of the PCB board;

[0107] Specifically, obtain the distance L1 between the location to be processed on the PCB board and the second end face C in the second direction Y.

[0108] S12. Adjust the distance of the first adjusting block from the clearance hole 411 in the second direction Y;

[0109] Specifically, the first adjusting block is moved to a position L1 away from the clearance hole 411, so that after the second end face C of the PCB board abuts against the first adjusting block in the second direction Y, the processing position of the PCB board can be aligned with the clearance hole 411.

[0110] S13. Determine whether a PCB board is placed on platform 110. If yes, execute S21. If no, the second adjustment block is ready.

[0111] Specifically, in this embodiment, since the distance between the first stop 410 and the second stop 420 is adjusted by the first elastic element 330, the distance between the first stop 410 and the second stop 420 will change when the PCB board is placed on the platform 110. Based on this, a displacement sensor is installed on the second stop 420. The displacement sensor is used to obtain the displacement change of the second stop 420 in the first direction X. If the displacement change is not equal to 0, it means that the PCB board has not been installed yet. If the displacement change is equal to 0 and the duration is t, it means that the PCB board has been installed.

[0112] Furthermore, platform 110 is also equipped with an optical sensor. When a PCB board is installed on platform 110, the PCB board can block light from entering the optical sensor. At this time, the optical sensor is triggered, and together with the displacement sensor of the second stop block 420, the installation progress of the PCB board and platform 110 is determined. This eliminates the possibility that after the first adjustment block is moved into place, but the user has not yet started installing the PCB board, the displacement sensor of the second stop block 420 limits the change to 0 and meets the condition that the second adjustment block is activated at time t, but the PCB board is missing.

[0113] S21. The second adjusting block is activated and moves towards the first adjusting block along the second direction Y until both the first and second adjusting blocks are in contact with the PCB board.

[0114] In one embodiment, after the second adjusting block abuts the PCB board against the first adjusting block, it continues to act on the PCB board together with the first adjusting block until the tool 220 completes the processing of the PCB board. In this way, during the processing, the PCB board has both clamping in the first direction X provided by the first stop 410 and the second stop 420, and clamping in the second direction Y provided by the first adjusting block and the second adjusting block.

[0115] In another embodiment, after the second adjusting block abuts the PCB board against the first adjusting block, the second adjusting block resets, that is, moves away from the first adjusting block. At this time, the PCB board is limited in the first direction X by the pressure between the first stop 410 and the second stop 420, and limited in the second direction Y by the friction between the PCB board and the first stop 410 and / or the second stop 420.

[0116] Furthermore, in this embodiment, since the first stop 410 and the second stop 420 have already clamped the PCB board when it is placed on the platform 110, it affects the movement of the PCB board in the second direction Y under the action of the second adjustment block. The following solution is designed to solve this problem.

[0117] One approach is to install rollers or provide a wavy continuous curved surface on the side wall of the first stop 410 and / or the second stop 420. This reduces the frictional force exerted by the first stop 410 and the second stop 420 on the PCB board in the second direction Y, allowing the second adjusting block to drive the PCB board to move in the second direction Y with less effort.

[0118] Another option is that the first adjusting block and the second adjusting block are each provided with a support mechanism on the side of the first direction X facing the second stop 420. The support mechanism can abut against the second stop 420 and drive the second stop 420 to move away from the first stop 410 along the first direction X. For example, taking the first adjusting block as an example, the first adjusting block is provided with a slide rail along the second direction Y. The support mechanism includes a first support rod, a second support rod, and a driving member. One end of the first support rod is hinged to the first adjusting block, and the axis of the hinge is parallel to the third direction Z. The other end of the first support rod is used to abut against the second stop 420. One end of the second support rod is slidably connected to the slide rail of the first adjusting block. The other end of the second support member is hinged to the middle of the axial direction of the first support rod, and the axial direction of the hinge is parallel to the third direction Z. The driving member is used to drive one end of the second support rod to slide with the first adjusting block in the first direction X. Thus, when the connection end of the second support rod and the first adjusting block is located at the far end of the connection end of the first support rod and the first adjusting block, the first support rod is close to the side wall of the first adjusting block. When the connection end of the second support rod and the first adjusting block moves closer to the connection end of the first support rod and the first adjusting block, the first support rod rotates and gradually moves away from the first adjusting block. That is, one end of the first support rod can move away from the first stop 410 against the second stop 420. Before the second adjusting block moves the PCB board, the support mechanism on the first adjusting block and the second adjusting block first pushes out the second stop 420, so that a gap is formed between the second stop 420 and the PCB board. After the second adjusting block completes the adjustment of the PCB board in the second direction Y, the support mechanism retracts, so that the second stop 420 abuts against the PCB board again.

[0119] Furthermore, a roller is installed at the end of the first support rod that contacts the second stop 420, so that when the second adjusting block moves along the second direction Y, rolling friction is formed between the first support rod and the second stop 420.

[0120] S22, cutting tool 220 processes the PCB board;

[0121] S23. Determine whether tool 220 has completed machining. If yes, proceed to S24. If no, continue machining.

[0122] Specifically, in this embodiment, when the slide 210 and the platform 110 abut in the first direction X, it is the limit depth that the tool 220 can process on the PCB board, that is, the processing end point. Touch sensors are set on the platform 110 and / or the slide 210. When the platform 110 and the slide 210 abut in the first direction X, the touch sensor is triggered, and it is determined that the tool 220 has completed processing.

[0123] S24. The first and second adjustment blocks drive the PCB board so that the cutouts on the PCB board are aligned with the image acquisition unit.

[0124] For example, one of the first or second adjustment blocks is moved to a preset position, and then the other pushes the PCB board along the second direction Y, so that the cut of the PCB board is aligned with the image acquisition device.

[0125] S30. The image acquisition device acquires the layer structure image of the PCB board at the cutout of the PCB board;

[0126] S31. Determine whether the image meets the requirements. If yes, output the result; otherwise, trigger an alarm.

[0127] Furthermore, the above description is merely a preferred embodiment of the present invention and the technical principles employed. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and various obvious changes, readjustments, and substitutions can be made without departing from the scope of protection of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments, and may include many other equivalent embodiments without departing from the concept of the present invention, the scope of which is determined by the scope of the appended claims.

Claims

1. A cutting device for PCB boards, characterized in that, include: The base (100) includes a platform (110) and a support frame (120), wherein the support frame (120) is fixed to the platform (110), and the PCB board is placed on the platform (110); The cutting assembly (200) includes a slide (210) and a cutting tool (220). The slide (210) is slidably connected to the support frame (120) along a first direction (X). The cutting tool (220) is mounted on the slide (210) and is capable of processing the PCB board. The first connecting component (300) includes a first limiting member (310), a first connecting member (320), and a first elastic member (330). The first limiting member (310) and the slide (210) are respectively located on opposite sides of the platform (110) in the first direction (X). The first connecting member (320) is slidably inserted into the platform (110) in the first direction (X). One end of the first connecting member (320) is fixed to the slide (210), and the other end is fixed to the first limiting member (310). The first elastic member (330) is provided between the first limiting member (310) and the base (100). The first elastic member (330) makes the slide (210) always have a tendency to move toward the platform (110).

2. The cutting device for PCB boards according to claim 1, characterized in that, It also includes a clamping assembly (400), which includes a first stop (410) and a second stop (420). The first stop (410) is fixed to the platform (110), and the second stop (420) is movably mounted on the platform (110) in the first direction (X). The first stop (410) has a clearance hole (411) in the first direction (X), and the cutting tool (220) can pass through the clearance hole (411) to contact the PCB board.

3. The cutting device for PCB boards according to claim 2, characterized in that, It also includes a second connecting component (500), which includes a second limiting member (510), a second connecting member (520), and a second elastic member (530). The second connecting member (520) is slidably inserted into the platform (110) in the first direction (X). One end of the second connecting member (520) is fixed to the second stop (420), and the other end is fixed to the second limiting member (510). The second elastic member (530) is provided between the second limiting member (510) and the base (100). The second elastic member (530) makes the second stop (420) always have a tendency to move toward the first stop (410).

4. The cutting device for PCB boards according to claim 1, characterized in that, The slide table (210) includes a main body (211), a slider (212), and a connecting part (213). The cutter (220) is mounted on the main body (211). There are two sliders (212), which are located on opposite sides of the main body (211) in the second direction (Y). The sliders (212) are fixed to the main body (211) through the connecting part (213) in the third direction (Z). The maximum thickness of the slider (212) is greater than the maximum thickness of the connecting part (213). The support frame (120) is provided with a corresponding groove (122). The slider (212) and at least part of the connecting part (213) are inserted into the groove (122). The first direction (X), the second direction (Y), and the third direction (Z) are perpendicular.

5. The cutting device for PCB boards according to claim 1, characterized in that, The cutting tool (220) includes a tool holder and a cutting head. The tool holder is cylindrical and rotatably connected to the slide (210). The cutting tool (220) is mounted on the peripheral side wall of the tool holder.

6. The cutting device for PCB boards according to claim 1, characterized in that, It also includes a top cover (600), which is detachably connected to the base (100), and the top cover (600) and the platform (110) clamp the PCB board in a third direction (Z); The first direction (X) is perpendicular to the third direction (Z).

7. The cutting device for PCB boards according to claim 6, characterized in that, The upper cover (600) is equipped with a rubber pad (700), which is sandwiched between the upper cover (600) and the PCB board.

8. The cutting device for PCB boards according to claim 7, characterized in that, The upper cover (600) is provided with a guide post (610), and the base (100) is provided with a guide hole (130). The guide hole (130) and the guide post (610) are inserted into each other along the third direction (Z).

9. The cutting device for PCB boards according to claim 1, characterized in that, It also includes a grip (800), one end of which is prismatic and inserted into the cutter (220) along a third direction (Z). The cutter (220) is rotatable around the grip (800), and the first direction (X) is perpendicular to the third direction (Z).

10. The cutting device for PCB boards according to any one of claims 1-9, characterized in that, Also includes: An adjustment component, comprising a first adjustment block and a second adjustment block, both of which are movable relative to the base (100) in a second direction (Y) to drive the PCB board to move relative to the platform (110); An image acquisition device is mounted on the base (100) and is staggered with the cutter (220) in the second direction (Y) to acquire image information of the cut of the PCB board; The first direction (X) and the second direction (Y) are perpendicular.

Images