Automatic frame shearing device

Abstract

The utility model relates to an automatic frame shearing device, which is used for shearing a metal wire frame on the surface of a circuit board and comprises a transmission line, a shearing component, a driving component and a waste collecting tank, the shearing assembly comprises a cutter used for shearing a wire frame and a magnetic attraction part which is arranged on one side of the cutter and has an attraction state and a release state, when the circuit board is conveyed to the position below the shearing assembly, the driving assembly drives the shearing assembly to be in butt joint with the wire frame on the circuit board and the waste collecting groove in sequence, and the cutter shears the corresponding wire frame accordingly; and the magnetic attraction part attracts the cut wireframe and transfers and releases the wireframe to the waste collecting tank. According to the utility model, the wire frame on the circuit board is continuously and accurately sheared and collected through the movement of the shearing assembly based on the cooperation of the cutter and the magnetic attraction part, the operation is simple and convenient, the production efficiency and the product yield are greatly improved, and the labor intensity is effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of machining equipment, specifically relates to an automatic frame shearing device. BACKGROUND

[0002] The integrated circuit board has metal wire frames on each part of the surface after production and processing, therefore, when the enterprise receives the circuit board for further processing, all the metal wire frames on the surface of the circuit board need to be sheared and removed.

[0003] At present, the existing circuit board wire frame shearing process mainly uses manual scissors to shear each wire frame on the circuit board, and then the sheared wire frame is manually removed.

[0004] However, in the actual production process, manual operation is not only low in efficiency and high in labor intensity, but also prone to human operation errors, which leads to damage of the circuit board and causes loss. SUMMARY

[0005] The utility model solves the technical problem that the prior art lacks, and provides an improved automatic frame shearing device.

[0006] To solve the above technical problems, the utility model adopts the following technical scheme:

[0007] An automatic frame shearing device is used for shearing the metal wire frames on the surface of a circuit board, the frame shearing device comprises a transmission line extending left and right and used for transmitting the circuit board block by block, a shearing assembly arranged above the transmission line, a driving assembly, and a waste collection groove, the shearing assembly comprises a cutter used for shearing the wire frame, a magnetic attraction component arranged on one side of the cutter and having an attraction state and a release state, when the circuit board is transmitted to below the shearing assembly, the driving assembly drives the shearing assembly to be in opposite connection with the wire frame on the circuit board and the waste collection groove in sequence, the cutter shears the corresponding wire frame, and the magnetic attraction component attracts the sheared wire frame and transfers and releases it to the waste collection groove.

[0008] According to one specific implementation and preferred aspect of the utility model, the cutter comprises a cutter seat, a scissors mounted on the cutter seat and forming a scissors head from the lower end, and a power device used for driving the scissors head to close or open, wherein the scissors extends obliquely from top to bottom and towards the magnetic attraction component. Here, the distance between the scissors head and the magnetic attraction component is shortened to ensure that the wire frame can be quickly attracted to the magnetic attraction component while the wire frame is sheared.

[0009] Preferably, the scissors comprise a first cutter body and a second cutter body rotatably connected through a pivot, wherein the lower ends of the first cutter body and the second cutter body are respectively bent downward and constitute the scissors head.

[0010] Preferably, the knife seat is formed with an inner cavity and an open lower end, the first and second knife bodies are inserted into the inner cavity from bottom to top and pivotally connected to the knife seat, and the power device drives the first and second knife bodies to open or close.

[0011] According to another specific implementation and preferred aspect of the utility model, the magnetic attraction component comprises a sleeve body, a magnet arranged in the sleeve body, and a driving member for driving the magnet to move up and down, wherein the lower end of the sleeve body is closed and forms an attraction surface, the driving member drives the magnet to move to the lowest position, and the attraction surface is in an attraction state; the driving member drives the magnet to move away from the attraction surface, and the attraction surface is in a release state. In this way, the sleeve body can be attracted or released from the wire frame through the movement of the magnet, and the implementation process is simple and reliable.

[0012] Preferably, the magnetic attraction component further comprises a connecting seat, the cutter is fixedly connected to one side of the connecting seat, the driving member comprises an inner sleeve body fixedly connected to the magnet and arranged in the sleeve body, and a telescopic rod arranged on the connecting seat and fixedly connected to the inner sleeve body at the lower end, wherein the telescopic rod telescopes up and down and drives the magnet to move up and down synchronously.

[0013] Specifically, a vertical guide rod is fixedly connected to the magnet, the upper end of the guide rod is inserted into the connecting seat and can slide up and down, and the inner sleeve body drives the guide rod and the magnet to move up and down synchronously.

[0014] According to another specific implementation and preferred aspect of the utility model, the wire frame cutting device further comprises a visual detection component arranged on one side of the waste collecting groove, and the driving assembly drives the cutting assembly to pass through the detection area of the visual detection component to detect whether there is a wire frame on the magnetic attraction component. In this way, the visual detection component can ensure that the magnetic attraction component successfully attracts and cuts the wire frame or releases the wire frame into the waste collecting groove each time, and if the wire frame cannot be successfully attracted or released, the staff can intervene in time.

[0015] According to another specific implementation and preferred aspect of the utility model, the driving assembly comprises a first moving seat reciprocating along the front-rear direction, a second moving seat slidingly connected to the first moving seat along the left-right direction, and a third moving seat slidingly connected to the second moving seat along the vertical direction, wherein the cutting assembly is arranged on the third moving seat.

[0016] In addition, the driving assembly further comprises a driving motor arranged on the third moving seat and used for driving the cutting assembly to rotate around the vertical center line. In this way, the cutter can be used to cut at multiple angles, and the flexibility is improved.

[0017] Compared with the prior art, the utility model has the following advantages due to the implementation of the above technical scheme:

[0018] The prior art is inefficient, labor-intensive and prone to human error, resulting in damage to the circuit board and loss. The automatic frame cutting device is designed as a whole, which ingeniously solves the problems and defects of the prior art. After the automatic frame cutting device is adopted, the circuit board is placed on the transmission line and transmitted block by block along the left-right direction. When the circuit board is transmitted below the cutting assembly, the driving assembly drives the cutting assembly to move to the opposite interface of the wire frame on the circuit board, the cutter cuts the corresponding wire frame, the magnetic attraction part synchronously attracts and cuts the wire frame, and then the driving assembly drives the cutting assembly to move to the opposite interface of the waste collection groove. The magnetic attraction part releases the wire frame and recycles the wire frame into the waste collection groove. Finally, the above steps are repeated to cut off the other wire frames on the circuit board one by one. Therefore, compared with the prior art, the automatic frame cutting device of the utility model is based on the cooperation of the cutter and the magnetic attraction part, realizes continuous and accurate cutting and collection of the wire frame on the circuit board through the movement of the cutting assembly, is simple and convenient to operate, greatly improves the production efficiency and product yield, and effectively reduces the labor intensity. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a front view schematic diagram of the automatic frame cutting device of the utility model;

[0020] Figure 2 It is a left view schematic diagram of the automatic frame cutting device of the utility model; Figure 1

[0021] Figure 3 It is a schematic diagram of the automatic frame cutting device of the utility model (partly omitted);

[0022] Figure 4 It is a schematic diagram of the automatic frame cutting device of the utility model (partly omitted); Figure 3

[0023] It is a schematic diagram of the automatic frame cutting device of the utility model (partly omitted); Figure 5 Figure 4

[0024] Among them: 1, the transmission line;

[0025] 2, the cutting assembly; 20, the cutter; 200, the cutter seat; 201, the scissors; a1, the first cutter body; a2, the second cutter body; 202, the power device; 21, the magnetic attraction part; 210, the connecting seat; 211, the outer sleeve; 212, the magnet; g, the guide rod; 213, the driving part; b0, the inner sleeve; b1, the telescopic rod;

[0026] 3, the driving assembly; 31, the first moving seat; 32, the second moving seat; 33, the third moving seat; 34, the driving motor;

[0027] 4, the waste collection groove; ​​​

[0028] 5. Visual inspection means. DETAILED DESCRIPTION

[0029] In order to make the above objectives, features and advantages of the present application more clear and easily understood, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in a number of different ways without some of the specific details described herein, and it is understood that the present application is not limited to the specific embodiments described below.

[0030] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0031] In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second", etc. can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise explicitly specified and limited.

[0032] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0033] In this application, unless otherwise expressly specified and limited, "above" or "below" a second feature can mean that the first and second features are in direct contact, or that they are in indirect contact through an intermediate medium. Furthermore, "above," "over," and "on top" of a second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" a second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature. It should be noted that when an element is referred to as "fixed to" or "set on" another element, it can be directly on the other element or there may be an intermediate element present. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element present. The terms "vertical," "horizontal," "above," "below," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible embodiments.

[0034] like Figures 1 to 5 As shown, the automatic frame-cutting device of this embodiment is used to cut off the metal wire frame on the surface of the integrated circuit board. The frame-cutting device includes a transmission line 1, a cutting component 2, a driving component 3, and a waste collection tank 4.

[0035] Specifically, transmission line 1 extends horizontally in the left-right direction, and circuit boards are laid flat on transmission line 1 and transported one by one in the left-right direction. Transmission line 1 can be any conventional structure for transporting circuit boards.

[0036] In this example, the shearing assembly 2 is positioned above the transmission line 1 and includes a cutter 20 for shearing wire frames and a magnetic suction component 21 positioned on one side of the cutter 20 and having an adsorption state and a release state. When the circuit board is transmitted to the lower part of the shearing assembly 2, the driving assembly 3 drives the shearing assembly to sequentially engage with the wire frames and the waste collection tank 4 on the circuit board. The cutter 20 then shears the corresponding wire frames, and the magnetic suction component 21 adsorbs the sheared wire frames and transfers and releases them into the waste collection tank 4.

[0037] In some specific embodiments, the cutter 20 includes a cutter holder 200, scissors 201 mounted on the cutter holder 200 and forming scissor heads from the lower end, and a power unit 202 for driving the scissor heads to close or open, wherein the scissors 201 extends obliquely from top to bottom and toward the magnetic suction member 21; the scissors 201 includes a first cutter body a1 and a second cutter body a2 rotatably connected by a pivot, wherein the lower ends of the first cutter body a1 and the second cutter body a2 are respectively bent downward to form scissor heads.

[0038] Meanwhile, the knife seat 200 is formed with an inner cavity and an open lower end, and the first knife body a1 and the second knife body a2 are inserted into the inner cavity from bottom to top and are pivotally connected to the knife seat 200; the power device 202 adopts a conventional pneumatic mechanism and drives the first knife body a1 and the second knife body a2 to rotate around the pivot to relatively open or close.

[0039] In this example, the magnetic attraction component 21 includes a connecting seat 210, an outer sleeve body 211, a magnet 212 arranged in the outer sleeve body 211, and a driving member 213 for driving the magnet 212 to move up and down.

[0040] In some embodiments, the knife 20 is fixedly connected to one side of the connecting seat 210; the outer sleeve body 211 is substantially cylindrical sleeve-shaped, and the lower end of the outer sleeve body 211 is closed and forms an adsorption surface; the driving member 213 drives the magnet 212 to move downward to the lowest position, and the adsorption surface is in an adsorption state; the driving member 213 drives the magnet 212 to move upward away from the adsorption surface, and the adsorption surface is in a release state.

[0041] In order to facilitate implementation, the driving member 213 includes an inner sleeve body b0 sleeved on the outer periphery of the magnet 212 and inserted into the outer sleeve body 211, and a telescopic rod b1 arranged on the connecting seat 210 and fixedly connected to the inner sleeve body b0 from the lower end, wherein the telescopic rod b1 telescopes up and down and drives the magnet 212 to move synchronously; further, a telescopic rod is further connected to the outer sleeve body 211 to realize the lifting movement of the outer sleeve body 211; the magnet 212 is fixedly connected with a vertical guide rod g, wherein the upper end of the guide rod g is inserted into the connecting seat 210 and can slide up and down, and the inner sleeve body b0 drives the guide rod g and the magnet 212 to move synchronously up and down.

[0042] In this example, the driving assembly 3 includes a first moving seat 31 reciprocating along the front-rear direction, a second moving seat 32 slidingly connected to the first moving seat 31 along the left-right direction, and a third moving seat 33 slidingly connected to the second moving seat 32 along the vertical direction, wherein the shearing assembly 2 is arranged on the third moving seat 33, and the first moving seat 31, the second moving seat 32, and the third moving seat 33 are driven by a lead screw; the third moving seat 33 is further provided with a detection camera to detect and determine the positions of the wire frames on the circuit board.

[0043] Meanwhile, the driving assembly 3 further includes a driving motor 34 arranged on the third moving seat 33 and used to drive the shearing assembly 2 to rotate around the vertical center line.

[0044] In addition, the waste collecting groove 4 is arranged in front of the conveying line 1; the cutting frame device of the embodiment further comprises a visual detection component 5 arranged on one side of the waste collecting groove 4, and the driving assembly 3 drives the cutting assembly 2 to pass through the detection area of the visual detection component 5 to detect whether the magnetic attraction component 21 has the wire frame, that is, after the magnetic attraction component 21 adsorbs the cut wire frame or releases the wire frame to the waste collecting groove, the magnetic attraction component 21 passes above the visual detection component 5 under the driving of the driving assembly 3 to detect whether the wire frame is successfully adsorbed or released. As for the visual detection component 5, it is a purchased part and belongs to the prior art, which will not be described here.

[0045] In summary, after the automatic cutting frame device is adopted, the circuit board is placed on the conveying line and is conveyed along the left-right direction block by block, and when the circuit board is conveyed to below the cutting assembly, the driving assembly drives the cutting assembly to move to be opposite to the wire frame on the circuit board, the cutter shears the corresponding wire frame, the magnetic attraction component synchronously adsorbs the cut wire frame, and then the driving assembly drives the cutting assembly to move to be opposite to the waste collecting groove, the magnetic attraction component releases the wire frame and makes the wire frame be recycled to the waste collecting groove, and finally the above steps are repeated to implement the wire frame on the circuit board to be sheared and removed one by one. Therefore, compared with the prior art, the utility model has the advantages that on the one hand, based on the cooperation of the cutter and the magnetic attraction component, the wire frame on the circuit board is sheared and removed and collected continuously and accurately through the movement of the cutting assembly, the operation is simple and convenient, the production efficiency and product yield are greatly improved, and the labor intensity is effectively reduced; on the other hand, the distance between the cutter head and the magnetic attraction component is shortened to ensure that the wire frame can be quickly adsorbed on the magnetic attraction component while the wire frame is cut; on the third hand, the sleeve body is adsorbed or releases the wire frame through the movement of the magnet, and the implementation process is simple and reliable; on the fourth hand, the visual detection component is detected to ensure that the magnetic attraction component successfully adsorbs the cut wire frame or releases the wire frame into the waste collecting groove each time, and if the wire frame fails to be successfully adsorbed or released, the staff can timely intervene; on the fifth hand, the cutter can be sheared at multiple angles to improve flexibility.

[0046] The utility model has been described in detail above, the purpose lies in enabling the person skilled in the art to understand the content of the utility model and implement it, and cannot limit the protection scope of the utility model, and equivalent changes or modifications according to the spirit and principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. An automatic wire-cutting device for cutting off metal wire frames from the surface of a circuit board, characterized in that: The shearing device includes a transmission line extending left and right for transporting circuit boards one by one, a shearing component disposed above the transmission line, a driving component, and a waste collection trough. The shearing component includes a cutter for shearing the wire frame and a magnetic suction component disposed on one side of the cutter, having an adsorption state and a release state. When the circuit board is transported to the bottom of the shearing component, the driving component drives the shearing component to sequentially engage with the wire frame on the circuit board and the waste collection trough. The cutter then cuts the corresponding wire frame, and the magnetic suction component adsorbs the cut wire frame and transfers it to the waste collection trough.

2. The automatic frame cutting device according to claim 1, characterized in that: The tool includes a tool holder, scissors mounted on the tool holder and forming scissor heads from the lower end, and a power unit for driving the scissor heads to retract or open, wherein the scissors extend obliquely from top to bottom and toward the magnetic attraction component.

3. The automatic frame cutting device according to claim 2, characterized in that: The scissors include a first blade and a second blade that are rotatably connected by a pivot, wherein the lower ends of the first blade and the second blade are bent downwards to form the scissor head.

4. The automatic frame cutting device according to claim 3, characterized in that: The tool holder has an inner cavity and is open at the lower end. The first and second blades are inserted into the inner cavity from bottom to top and are rotatably connected to the tool holder from the pivot. The power unit drives the first and second blades to open or close relative to each other; and / or, the power unit is pneumatic.

5. The automatic frame cutting device according to claim 1, characterized in that: The magnetic attraction component includes an outer casing, a magnet disposed within the outer casing, and a driving member for driving the magnet to move up and down. The lower end of the outer casing is closed to form an adsorption surface. The driving member drives the magnet to move downward to the lowest point, and the adsorption surface is in an adsorption state. The driving member also drives the magnet upward away from the adsorption surface, and the adsorption surface is in a release state.

6. The automatic frame cutting device according to claim 5, characterized in that: The magnetic attraction component also includes a connecting seat, wherein the cutter is fixedly connected to one side of the connecting seat, and the driving component includes an inner sleeve that is fixed relative to the magnet and inserted into the outer sleeve, and a telescopic rod that is disposed on the connecting seat and fixedly connected to the inner sleeve from the lower end, wherein the telescopic rod extends and retracts up and down and drives the magnet to move up and down synchronously.

7. The automatic frame cutting device according to claim 6, characterized in that: A vertically extending guide rod is fixedly connected to the magnet, wherein the upper end of the guide rod is inserted into the connecting seat and can slide up and down, and the inner sleeve drives the guide rod and the magnet to move up and down synchronously.

8. The automatic frame cutting device according to claim 1, characterized in that: The frame-cutting device also includes a vision detection component disposed on one side of the waste collection trough. The driving component drives the cutting component to pass through the detection area of ​​the vision detection component to detect that there is no frame on the magnetic component.

9. The automatic frame cutting device according to claim 1, characterized in that: The drive assembly includes a first movable seat that reciprocates along the front-back direction, a second movable seat that is slidably connected to the first movable seat along the left-right direction, and a third movable seat that is slidably connected to the second movable seat along the vertical direction, wherein the shearing assembly is disposed on the third movable seat.

10. The automatic frame cutting device according to claim 9, characterized in that: The drive assembly also includes a drive motor disposed on the third movable seat and used to drive the shearing assembly to rotate about the vertical centerline.

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