Adjustable support for processing circuit board

Abstract

The utility model discloses a support for circuit board processing, including: rotating mechanism, frame body, can be by rotating mechanism drive rotate around rotation center line, the predetermined area of frame body middle part is used for fixing circuit board, and the definition is circuit board and places the area, first clamping subassembly is used to from one side to the circuit board that places on circuit board and places the area clamps, second clamping subassembly is used to from the other side to the circuit board that places on circuit board and places the area clamps, clamping subassembly drive arrangement sets up on frame body, is used to drive first clamping subassembly and second clamping subassembly synchronous and moves to each other or the movement of the back. The utility model can adapt to multiple sizes's circuit board, and after circuit board is fixed between first clamping subassembly and second clamping subassembly, can adjust the angle of circuit board through rotating mechanism, makes circuit board can easily adjust to the best processing inclination, and the surface mount job of staff is convenient.

Description

Technical Field

[0001] This utility model relates to the field of circuit board processing technology, and in particular to an adjustable support for circuit board processing. Background Technology

[0002] With the current trend towards high density, miniaturization, and high power in electronic devices, circuit boards, as the core component of various products, play a crucial role. They are not only the foundation for circuit integration and layout visualization, but also provide a solid guarantee for large-scale manufacturing and overall system design.

[0003] In subsequent manufacturing processes such as surface mount technology (SMT), dedicated brackets must be used to fix the circuit boards. However, existing brackets have obvious shortcomings: First, they have low adaptability, usually one set of fixtures can only handle a few board types, and the adjustment is time-consuming when changing board types; second, they lack flexibility, and when adjusting the processing tilt angle or rotation angle, they need to rely on repeated manual disassembly and cannot achieve efficient online switching.

[0004] Therefore, developing a circuit board holder that can adapt to multiple sizes and has convenient angle adjustment capabilities is particularly important for promoting SMT production lines towards higher automation and overall efficiency. Utility Model Content

[0005] The purpose of this invention is to provide a circuit board bracket that can adapt to multiple sizes and has convenient angle adjustment capabilities.

[0006] The technical solution adopted by this utility model to solve its technical problem is: providing an adjustable circuit board processing bracket, which includes:

[0007] A rotating mechanism, wherein the axis of the rotating part of the rotating mechanism is a rotation center line, and the rotation center line extends horizontally and is higher than the ground by a predetermined distance;

[0008] The frame body is fixedly connected to the rotating part of the rotating mechanism and can be driven by the rotating mechanism to rotate around the rotation center line; a predetermined area in the middle of the frame body is used to fix the circuit board and is defined as the circuit board placement area.

[0009] The first clamping assembly is used to clamp the circuit board placed on the circuit board placement area from one side;

[0010] The second clamping component is disposed opposite to the first clamping component and is used to clamp the circuit board placed on the circuit board placement area from the other side;

[0011] A clamping component driving device is disposed on the frame body and is used to drive the first clamping component and the second clamping component to move synchronously towards or away from each other. After the circuit board is placed in the circuit board placement area, the first clamping component and the second clamping component can be adjusted to a position that matches the size of the circuit board.

[0012] Furthermore, the adjustable circuit board processing support also includes a frame, and the rotating mechanism is fixed on the frame.

[0013] Furthermore, the adjustable circuit board processing bracket also includes a support support and a support support driving device;

[0014] The number of support brackets is two and they are disposed on the frame body, and their height is lower than that of the circuit board placement area; when the circuit board is placed in the circuit board placement area, the support brackets are used to support and lift the circuit board from below;

[0015] The support bracket driving device is disposed on the frame and is used to drive the two support brackets to move synchronously towards or away from each other, so as to adjust the two support brackets to a suitable position to support and lift the circuit board according to the size of the circuit board when placing the circuit board, or to make the two support brackets avoid the circuit board when the circuit board is fixed.

[0016] Furthermore, the adjustable circuit board processing bracket also includes a first spacing adjustment device and a second spacing adjustment device;

[0017] The clamping component driving device includes a first motor, a first slider, and a second slider; the first motor is fixed on the frame; the first slider and the second slider can move towards each other or away from each other under the drive of the first motor;

[0018] The first spacing adjustment device is fixed relative to the first slider; there are two first clamping components, which are mounted on the first spacing adjustment device, and the spacing between the two first clamping components can be adjusted by the first spacing adjustment device.

[0019] The second spacing adjustment device is fixed relative to the second slider; there are two second clamping components and they are mounted on the second spacing adjustment device, and the spacing between the two second clamping components can be adjusted by the second spacing adjustment device.

[0020] Furthermore, the clamping assembly drive device also includes a linear guide rail, a first double-threaded lead screw, a first lead screw nut, and a second lead screw nut;

[0021] The linear guide rail is fixed on the frame body, and the first slider and the second slider are both slidably mounted on the linear guide rail;

[0022] The first double-threaded lead screw is rotatably mounted on the frame and driven to rotate by the first motor; and the threads on the left and right sides of the first double-threaded lead screw rotate in opposite directions.

[0023] The first lead screw nut is threaded onto the left side of the first double-threaded lead screw and is fixedly connected to the first slider; the first spacing adjustment device is fixedly installed on the first lead screw nut.

[0024] The second lead screw nut is threaded onto the right side of the first double-threaded lead screw and is fixedly connected to the second slider. The second spacing adjustment device is fixedly installed on the second lead screw nut.

[0025] Furthermore, the number of linear guide rails is two, and the two linear guide rails are distributed opposite each other on both sides of the rotation center line and extend in a direction parallel to the rotation center line;

[0026] There are two first sliders, which correspond to each other and are respectively disposed on the two linear guide rails;

[0027] There are two second sliders, and the two second sliders correspond to each other and are respectively set on the two linear guide rails;

[0028] There are two first double-threaded lead screws, which are located above the two linear guides respectively, and the two first double-threaded lead screws are driven to rotate synchronously by the first motor.

[0029] There are two first lead screw nuts, which are respectively sleeved on the left side of the two first double-threaded lead screws and fixedly connected to the corresponding first sliders; the two ends of the first spacing adjustment device are respectively fixedly installed on the two first lead screw nuts.

[0030] There are two second lead screw nuts, which are respectively sleeved on the right side of the two first double-threaded lead screws and fixedly connected to the corresponding second sliders; the two ends of the second spacing adjustment device are respectively fixedly installed on the two second lead screw nuts.

[0031] Furthermore, the first spacing adjustment device includes a second motor, a second double-threaded lead screw, and a first guide rod; the second motor is fixed on one of the first lead screw nuts; the second double-threaded lead screw is rotatably mounted between the two first lead screw nuts and is connected to the output shaft of the second motor, and the threads on the left and right sides of the second double-threaded lead screw rotate in opposite directions; the first guide rod is fixedly mounted between the two first lead screw nuts; wherein, the two first clamping components are respectively threaded onto the threads on the left and right sides of the second double-threaded lead screw and can slide along the first guide rod;

[0032] The second spacing adjustment device includes a third motor, a third double-threaded lead screw, and a second guide rod. The third motor is fixed on one of the second lead screw nuts. The third double-threaded lead screw is rotatably mounted between the two second lead screw nuts and is connected to the output shaft of the third motor. The threads on the left and right sides of the third double-threaded lead screw rotate in opposite directions. The second guide rod is fixedly mounted between the two second lead screw nuts. The two second clamping components are respectively threaded onto the threads on the left and right sides of the third double-threaded lead screw and can slide along the second guide rod.

[0033] Furthermore, the first clamping assembly includes a first clamping plate and a second clamping plate, and the first clamping plate and the second clamping plate reduce the distance between them by generating magnetism through energization in order to clamp the circuit board.

[0034] The second clamping assembly includes a third clamping plate and a fourth clamping plate, which also reduce the distance between the third clamping plate and the fourth clamping plate by means of energizing and magnetizing to clamp the circuit board;

[0035] Furthermore, the support drive device includes a fourth motor, a fourth double-threaded lead screw, a third lead screw nut, and a fourth lead screw nut;

[0036] The fourth motor is fixed to the frame.

[0037] The fourth double-threaded lead screw is rotatably mounted at the bottom of the frame and driven to rotate by the fourth motor, and the threads on the left and right sides of the fourth double-threaded lead screw rotate in opposite directions;

[0038] The third lead screw nut is threaded onto the left side of the fourth double-threaded lead screw;

[0039] The fourth lead screw nut is threaded onto the right side of the fourth double-threaded lead screw;

[0040] One of the support brackets is fixedly connected to the third lead screw nut via a first fixing rod, and the other support bracket is fixedly connected to the fourth lead screw nut via a second fixing rod.

[0041] Furthermore, the support bracket includes a box body, a support plate, a base plate, a connecting column, a third spring, and a third electromagnet;

[0042] The box body is fixedly connected to the first fixing rod or the second fixing rod;

[0043] The base plate is disposed inside the box;

[0044] The tray is positioned above the outside of the box;

[0045] The connecting column passes through the top surface of the box and connects the bottom plate to the support plate;

[0046] The third spring is located in the box and sleeved on the connecting post, with the top of the third spring abutting against the top surface of the box and the bottom abutting against the bottom plate;

[0047] The third electromagnet is disposed in the box;

[0048] When the third electromagnet is not energized, the support plate is located at the low point position under the action of the third spring; when the third electromagnet is energized, the base plate moves upward, driving the support plate to move to the high point position to support and lift the circuit board.

[0049] The beneficial effects of this utility model are as follows:

[0050] (1) By setting up a clamping component driving device, a first spacing adjustment device and a second spacing adjustment device, the bracket of this utility model can be flexibly adjusted to match the length and width of the circuit board at the same time; the clamping component driving device can synchronously drive the first clamping component and the second clamping component to move towards or away from each other to adapt to circuit boards of different lengths; while the first spacing adjustment device and the second spacing adjustment device can adjust the spacing between the two clamping components on each side to adapt to circuit boards of different widths.

[0051] (2) The rotating mechanism can drive the entire frame and the circuit board fixed on the frame to rotate precisely around the rotation center line in the range of 0° to 180°, so that the circuit board can be easily adjusted to the optimal processing tilt angle, which is convenient for workers to perform surface mounting operations; especially for double-sided circuit boards, only 180° rotation is needed to complete the flipping, realizing efficient double-sided continuous surface mounting operations on a single station, eliminating the tedious steps of disassembly, flipping and repositioning required in traditional processing, and significantly improving production efficiency;

[0052] (3) The support can be moved to the bottom of the circuit board to provide stable support, which makes it easy for the robot or manual to place the circuit board. After the circuit board is clamped and fixed, the support can be lowered and moved away by itself, fully exposing the back of the circuit board, providing an unobstructed operating space for subsequent processing (especially back mounting after flipping). Attached Figure Description

[0053] Figure 1 This is an overall structural diagram of the adjustable circuit board processing bracket of this utility model;

[0054] Figure 2 yes Figure 1 Structural view of the central frame (some plates omitted) and the various components installed on the frame;

[0055] Figure 3 yes Figure 2 A view from a low angle;

[0056] Figure 4 This is an enlarged view of the first clamping component in this utility model;

[0057] Figure 5 This is an enlarged view of the second clamping component in this utility model;

[0058] Figure 6 This is the internal structure of the support bracket in this utility model. Detailed Implementation

[0059] The present invention will be further described in detail below with reference to specific embodiments, but the implementation of the present invention is not limited thereto.

[0060] This utility model provides an adjustable circuit board processing support, which includes: a rotating mechanism 100, a frame 200, a first clamping component 310, a second clamping component 320, and a clamping component driving device 400.

[0061] See Figure 1 The axis of the rotating part of the rotating mechanism 100 is the rotation center line 1a, which extends horizontally and is a predetermined distance above the ground.

[0062] See Figure 1 The frame 200 is fixedly connected to the rotating part of the rotating mechanism 100 and can be driven by the rotating mechanism 100 to rotate around the rotation center line 1a. A predetermined area in the middle of the frame 200 is used to fix the circuit board and is defined as the circuit board placement area 2a.

[0063] See Figures 1 to 3 The first clamping component 310 is used to clamp the circuit board placed on the circuit board placement area 2a from one side.

[0064] See Figures 1 to 3 The second clamping component 320 is disposed opposite to the first clamping component 310 and is used to clamp the circuit board placed on the circuit board placement area 2a from the other side.

[0065] See Figures 1 to 3 The clamping component driving device 400 is disposed on the frame 200 and is used to drive the first clamping component 310 and the second clamping component 320 to move synchronously towards or away from each other. After the circuit board is placed in the circuit board placement area 2a, the first clamping component 310 and the second clamping component 320 can be adjusted to a position that matches the size of the circuit board.

[0066] In this invention, the distance between the first clamping component 310 and the second clamping component 320 can be infinitely adjusted between 50mm and 600mm to accommodate circuit boards of various sizes within this range.

[0067] In one specific embodiment, see Figure 1 The adjustable circuit board processing support also includes a frame 500, and the rotating mechanism 100 is fixed on the frame 500.

[0068] Preferably, the frame 500 includes a left frame body 510 and a right frame body 520, which are located on the left and right sides of the frame body 200 respectively and are fixed to the ground by anchor bolts. The rotating mechanism 100 is fixed to the left frame body 510. The frame body 200 has a rectangular frame structure, with the left side of the frame body 200 fixedly connected to the rotating part of the rotating mechanism 100, and the right side of the frame body 200 rotatably connected to the right frame body 520 via bearings.

[0069] Thus, the frame 200 is mounted between the left frame 510 and the right frame 520. When the rotating mechanism 100 is working, it can drive the frame 200 to rotate around the rotation center line 1a, so that the circuit board a fixed in the circuit board placement area 2a can be adjusted in angle.

[0070] The height of the rotation center line 1a from the ground should be such that the frame 200 does not collide with the ground during rotation.

[0071] Preferably, the rotating mechanism 100 can be a commonly used rotating platform.

[0072] In a preferred embodiment, see Figure 3 The adjustable circuit board processing bracket also includes a support 610 and a support drive device 620.

[0073] Two support brackets 610 are provided on the frame 200 and are positioned at a height lower than the circuit board placement area 2a. When the circuit board is placed in the circuit board placement area 2a, the support brackets 610 are used to support and lift the circuit board from below.

[0074] The support support drive device 620 is disposed on the frame 200 and is used to drive the two support supports 610 to move synchronously towards or away from each other, so as to adjust the two support supports 610 to a suitable position to support and lift the circuit board a according to the size of the circuit board a when placing the circuit board a, or to make the two support supports 610 avoid the circuit board a when the circuit board a is fixed.

[0075] That is, during operation, before the circuit board a is placed in the circuit board placement area 2a, the two support supports 610 can be driven to move towards each other to a suitable position by the support support drive device 620 according to the size of the circuit board a; then, when the circuit board is placed in the circuit board placement area 2a, the two support supports 610 can support the circuit board a from below; subsequently, after the first clamping component 310 and the second clamping component 320 clamp the two sides of the circuit board a respectively, the support support drive device 620 can drive the two support supports 610 to move back to back, so that the two support supports 610 move to the sides, away from the circuit board a, and expose the back of the circuit board a.

[0076] The purpose of designing the aforementioned movable support bracket 610 is primarily to: support the circuit board a from below when placing it, facilitating its placement; after the clamping assembly has clamped and fixed the circuit board a, the support bracket 610 can be moved to the sides when no longer in use, exposing the back of the circuit board a; thus, when processing double-sided circuit boards, after performing surface mount technology on the front side of the double-sided circuit board, the rotating mechanism 100 drives the frame 200 to rotate 180°, so that the back of the double-sided circuit board faces upward. At this time, since the two support brackets 610 have moved to the sides, the back of the circuit board a is unobstructed, making it very convenient to perform surface mount technology on the back of the circuit board a.

[0077] In a preferred embodiment, see Figure 2 The adjustable circuit board processing bracket further includes a first spacing adjustment device 710 and a second spacing adjustment device 720.

[0078] The clamping assembly drive device 400 includes a first motor 410, a first slider 420, and a second slider 430. The first motor 410 is fixed to the frame 200. The first slider 420 and the second slider 430 can move towards or away from each other under the drive of the first motor 410.

[0079] The first spacing adjustment device 710 is fixed relative to the first slider 420. There are two first clamping components 310, which are mounted on the first spacing adjustment device 710, and the spacing between the two first clamping components 310 can be adjusted by the first spacing adjustment device 710.

[0080] The second spacing adjustment device 720 is fixed relative to the second slider 430. There are two second clamping components 320, which are mounted on the second spacing adjustment device 720, and the spacing between the two second clamping components 320 can be adjusted by the second spacing adjustment device 720.

[0081] Therefore, the two sides of circuit board a are clamped by two first clamping components 310 and two second clamping components 320, respectively. If the width of circuit board a changes, the spacing between the two first clamping components 310 and the two second clamping components 320 can be adjusted by the first spacing adjustment device 710 and the second spacing adjustment device 720, respectively, to adapt to the width of circuit board a and facilitate clamping and fixing. When clamping circuit board a, the first motor 410 drives the first slider 420 and the second slider 430 to move towards each other, so that the first spacing adjustment device 710 and the second spacing adjustment device 720 move towards each other with the first slider 420 and the second slider 430, respectively. When the first clamping component 310 and the second clamping component 320 move to the appropriate position, the first motor 410 stops working, and the first clamping component 310 and the second clamping component 320 start the clamping action to clamp both sides of circuit board a. When it is necessary to release the circuit board, the opposite is true. The first clamping component 310 and the second clamping component 320 release the circuit board a. Then, the first motor 410 drives the first slider 420 and the second slider 430 to move away from each other, so that the first clamping component 310 and the second clamping component 320 leave the circuit board.

[0082] For details, see Figure 2 The clamping component drive device 400 further includes a linear guide rail 440, a first double-threaded lead screw 450, a first lead screw nut 460, and a second lead screw nut 470.

[0083] There are two linear guide rails 440. Both linear guide rails 440 are fixed on the frame 200 and are distributed opposite each other on both sides of the rotation center line 1a, while extending in a direction parallel to the rotation center line 1a.

[0084] There are two first sliders 420, and the two first sliders 420 correspond to each other and are slidably disposed on the two linear guide rails 440 respectively.

[0085] There are two second sliders 430, and the two second sliders 430 correspond to each other and are slidably disposed on the two linear guide rails 440 respectively.

[0086] There are two first double-threaded lead screws 450, both of which are rotatably mounted on the upper part of the frame 200. The two first double-threaded lead screws 450 are respectively located above two linear guide rails 440, and are driven synchronously by the first motor 410 through a synchronous belt and a synchronous pulley. The threads on the left and right sides of the first double-threaded lead screw 450 rotate in opposite directions.

[0087] There are two first lead screw nuts 460, which are respectively sleeved on the left side of the two first double-threaded lead screws 450 and fixedly connected to the corresponding first sliders 420. The two ends of the first gap adjusting device 710 are respectively fixedly installed on the two first lead screw nuts 460.

[0088] There are two second lead screw nuts 470, which are respectively sleeved on the right side of the two first double-threaded lead screws 450 and fixedly connected to the corresponding second sliders 430. The two ends of the second spacing adjustment device 720 are respectively fixedly installed on the two second lead screw nuts 470.

[0089] In a more specific embodiment, see Figure 2 The first spacing adjustment device 710 includes a second motor 711, a second double-threaded lead screw 712, and a first guide rod 713. The second motor 711 is fixed to one of the first lead screw nuts 460. The two ends of the second double-threaded lead screw 712 are rotatably mounted between the two first lead screw nuts 460 via first ear plates 714 and corresponding bearings. The second double-threaded lead screw 712 is drive-connected to the output shaft of the second motor 711, and the threads on the left and right sides of the second double-threaded lead screw 712 rotate in opposite directions. The first guide rod 713 is fixedly mounted between the two first lead screw nuts 460 and is non-rotatable. The two first clamping assemblies 310 are respectively threaded onto the threads on the left and right sides of the second double-threaded lead screw 712 and can slide along the first guide rod 713.

[0090] See Figure 2The second spacing adjustment device 720 includes a third motor 721, a third double-threaded lead screw 722, and a second guide rod 723. The third motor 721 is fixed to one of the second lead screw nuts 470. The two ends of the third double-threaded lead screw 722 are rotatably mounted between the two second lead screw nuts 470 via second ear plates 724 and corresponding bearings. The third double-threaded lead screw 722 is drive-connected to the output shaft of the third motor 721, and the threads on the left and right sides of the third double-threaded lead screw 722 rotate in opposite directions. The second guide rod 723 is fixedly mounted between the two second lead screw nuts 470 and is not rotatable. Two second clamping assemblies 320 are respectively threaded onto the threads on the left and right sides of the third double-threaded lead screw 722 and can slide along the second guide rod 723.

[0091] Therefore, when the second motor 711 is working, it drives the second double-threaded screw 712 to rotate. The rotation of the second double-threaded screw 712, in turn, drives the two first clamping assemblies 310 to move towards or away from each other through the threads on both sides. During this movement, the first guide rod 713 guides the direction of movement of the first clamping assemblies 310. Similarly, when the third motor 721 is working, it drives the third double-threaded screw 722 to rotate, which in turn drives the two second clamping assemblies 320 to move towards or away from each other. The second guide rod 723 guides the direction of movement of the second clamping assemblies 320.

[0092] In a preferred embodiment, see Figure 4 The first clamping assembly 310 includes a first clamping plate 311 and a second clamping plate 312. The first clamping plate 311 and the second clamping plate 312 reduce their distance by generating magnetism through energization to clamp the circuit board. See also Figure 5 The second clamping assembly 320 includes a third clamping plate 321 and a fourth clamping plate 322. The third clamping plate 321 and the fourth clamping plate 322 also reduce the distance between them by generating magnetism through energization in order to clamp the circuit board.

[0093] For details, see Figure 4 The first clamping assembly 310 further includes a first movable body 313, a first guide post 314, a first spring 315, a first electromagnet 316, and a first iron block 317.

[0094] The upper part of the first movable body 313 is threadedly sleeved on the second double-threaded screw 712, and the lower part is slidably sleeved on the first guide rod 713. That is, when the second double-threaded screw 712 rotates, the first movable body 313 can move along the first guide rod 713.

[0095] There are two first guide posts 314, which are spaced apart at the bottom of the first moving body 313.

[0096] The first clamping plate 311 is located at the lower part of the first guide post 314 and is fixed and cannot be moved.

[0097] The second clamping plate 312 is disposed on the upper part of the first guide post 314 and sleeved on the two first guide posts 314, and can move up and down along the two first guide posts 314.

[0098] There are two first springs 315, which are respectively sleeved on the two first guide posts 314, and the bottom of the first spring 315 abuts against the upper surface of the first clamping plate 311, and the top abuts against the lower surface of the second clamping plate 312.

[0099] The first electromagnet 316 is disposed on the first clamping plate 311.

[0100] The first iron block 317 is disposed at the bottom of the second clamping plate 312 and corresponds vertically to the first electromagnet 316.

[0101] The first clamping plate 311 and the second clamping plate 312 are both made of non-ferromagnetic plastic material. At the same time, the side of the two clamping plates that is in contact with the circuit board a is provided with a silicone sheet or a rubber sheet so that they can form an elastic contact with the circuit board during clamping, rather than a rigid contact.

[0102] Therefore, initially, under the action of the first spring 315, the second clamping plate 312 is in a higher position. When it is necessary to clamp circuit board a, the first electromagnet 316 is energized. After energization, the magnetic field generated by the first electromagnet 316 attracts the first iron block 317, thereby attracting the second clamping plate 312 to move downward (compressing the first spring 315). After the second clamping plate 312 moves downward, the distance between the first clamping plate 311 and the second clamping plate 312 decreases, thus clamping circuit board a. When it is necessary to release circuit board a, the first electromagnet 316 is de-energized. After de-energization, the magnetic field of the first electromagnet 316 disappears, and the first spring 315 pushes the second clamping plate 312 upward, returning it to the higher position.

[0103] See Figure 5 The second clamping assembly 320 also includes a second movable body 323, a second guide post 324, a second spring 325, a second electromagnet 326, and a second iron block 327.

[0104] The upper part of the second movable body 323 is threadedly sleeved on the third double-threaded screw 722, and the lower part is slidably sleeved on the second guide rod 723. That is, when the third double-threaded screw 722 rotates, the second movable body 323 can move along the second guide rod 723.

[0105] There are two second guide posts 324, which are spaced apart at the bottom of the second moving body 323.

[0106] The third clamping plate 321 is located at the lower part of the second guide post 324 and is fixed and cannot be moved.

[0107] The fourth clamping plate 322 is disposed on the upper part of the second guide post 324 and sleeved on the two second guide posts 324, and can move up and down along the two second guide posts 324.

[0108] There are two second springs 325, which are respectively sleeved on the two second guide posts 324, and the bottom of the second spring 325 abuts against the upper surface of the third clamping plate 321, and the top abuts against the lower surface of the fourth clamping plate 322.

[0109] The second electromagnet 326 is disposed on the third clamping plate 321.

[0110] The second iron block 327 is disposed at the bottom of the fourth clamping plate 322 and corresponds vertically to the second electromagnet 326.

[0111] The third clamping plate 321 and the fourth clamping plate 322 are both made of non-ferromagnetic plastic material. At the same time, the side of the two clamping plates that is in contact with the circuit board a is provided with a silicone sheet or a rubber sheet so that they can form an elastic contact with the circuit board during clamping, rather than a rigid contact.

[0112] Therefore, initially, under the action of the second spring 325, the fourth clamping plate 322 is in a higher position. When it is necessary to clamp circuit board a, the second electromagnet 326 is energized. After energization, the magnetic field generated by the second electromagnet 326 attracts the second iron block 327, thereby attracting the fourth clamping plate 322 to move downward (compressing the second spring 325). After the fourth clamping plate 322 moves downward, the distance between the third clamping plate 321 and the fourth clamping plate 322 decreases, thus clamping circuit board a. When it is necessary to release circuit board a, the second electromagnet 326 is de-energized. After de-energization, the magnetic field of the second electromagnet 326 disappears, and the second spring 325 pushes the fourth clamping plate 322 upward, returning it to the higher position.

[0113] In a preferred embodiment, see Figure 3 The support drive device 620 includes a fourth motor 621, a fourth double-threaded lead screw 622, a third lead screw nut 623, and a fourth lead screw nut 624.

[0114] The fourth motor 621 is fixed to the frame 200.

[0115] There are two fourth double-threaded lead screws 622, which are rotatably mounted on the lower part of the frame 200 and located on both sides of the rotation center line 1a. The two fourth double-threaded lead screws 622 are driven to rotate synchronously by the fourth motor 621 via a synchronous belt and synchronous pulley. The threads on the left and right sides of the fourth double-threaded lead screws 622 rotate in opposite directions.

[0116] There are two third lead screw nuts 623, and the two third lead screw nuts 623 are respectively threaded onto the left side of the two fourth double-threaded lead screws 622.

[0117] There are two fourth lead screw nuts 624, and the two fourth lead screw nuts 624 are respectively threaded onto the right side of the fourth double-threaded lead screw 622.

[0118] One of the support brackets 610 is connected between the two third lead screw nuts 623 via a first fixing rod 625. The other support bracket 610 is connected between the two fourth lead screw nuts 624 via a second fixing rod 626.

[0119] The specific structure of the support bracket 610 is as follows.

[0120] See Figure 6 The support bracket 610 includes a box body 611, a support plate 612, a base plate 613, a connecting column 614, a third spring 615, a third electromagnet 616, and a third iron block 617.

[0121] The two sides of the box body 611 are fixedly connected to the first fixing rod 625 or the second fixing rod 626.

[0122] The base plate 613 is disposed inside the box body 611.

[0123] The tray 612 is positioned above the outside of the box body 611.

[0124] There are multiple connecting posts 614. Each connecting post 614 passes through the top surface of the box 611 and connects the bottom plate 613 to the support plate 612. The connecting post 614 can move freely up and down relative to the box 611.

[0125] The third spring 615 is located in the box 611 and sleeved on the connecting post 614, with the top of the third spring 615 abutting against the top surface of the box 611 and the bottom abutting against the base plate 613.

[0126] The third electromagnet 616 is disposed in the box 611 and is fixed on the inner wall of the top surface of the box 611.

[0127] The third iron block 617 corresponds vertically to the third electromagnet 616 and is fixed to the upper surface of the base plate 613.

[0128] Thus, in the initial state, under the action of the third spring 615, the base plate 613 is pushed to the lowest point, and the support plate 612 is also located at the lowest point. When it is necessary to support and lift the circuit board a, the support plate 612 needs to be raised to the highest point. At this time, it is only necessary to energize the third electromagnet 616, and the magnetic field formed after the third electromagnet 616 is energized can be used to attract the third iron block 617 to move upward, thereby causing the base plate 613 to move upward as well, and thus allowing the support plate 612 to move to the highest point to support and lift the circuit board.

[0129] During operation, after the first clamping assembly 310 and the second clamping assembly 320 clamp the circuit board b, the rotating mechanism 100 drives the frame 200 to rotate around the rotation center line 1a for angle adjustment. The angle can be adjusted within the range of 0° to 180°, enabling pitch processing of the circuit board b and ensuring a large adjustment range. Furthermore, for double-sided circuit boards, the circuit board can be flipped. After surface mounting on the front side, it can be rotated 180 degrees to flip the circuit board for surface mounting on the back side.

[0130] The placement and removal of circuit board a (i.e., placing it in or removing it from the circuit board placement area 2a) is typically accomplished by a robotic arm. Alternatively, circuit board a can be placed manually. In manual placement, adjustable red laser lines can be designed to assist. For example, based on the length of circuit board a, two parallel red laser lines can be emitted. When placing circuit board a, aligning both sides of its length with the two red laser lines ensures that each circuit board a is placed in its predetermined position.

[0131] The general workflow of this utility model is as follows:

[0132] Step S1: After the system is powered on, the first motor 410 operates, driving the first clamping assembly 310 and the second clamping assembly 320 to move back to back to the maximum distance; at the same time, the fourth motor 621 operates, driving the two support brackets 610 to move towards each other to a suitable position according to the length of the circuit board a to be processed (that is, moving the two support brackets 610 to the middle area of ​​the circuit board a, so that the circuit board a can be stably supported from below). Then, the third electromagnets 616 of the two support brackets 610 are energized, causing the support plates 612 of the two support brackets 610 to rise to the highest position, waiting for the board to be placed on.

[0133] Step S2: The corresponding robotic arm accurately delivers the circuit board a to the circuit board placement area 2a and places it on the two support trays 610 to complete the board loading action; of course, this step can also be completed manually with the assistance of a red laser line.

[0134] Step S3: After the board is mounted, the first motor 410 operates, driving the first clamping assembly 310 and the second clamping assembly 320 to move towards each other; when the two clamping plates of the first clamping assembly 310 (i.e., the first clamping plate 311 and the second clamping plate 312) are respectively located on the upper and lower sides of the edge of the circuit board a, and the two clamping plates of the second clamping assembly 320 (i.e., the third clamping plate 321 and the fourth clamping plate 322) are respectively located on the upper and lower sides of the edge of the circuit board a, the first motor 410 stops operating;

[0135] Step S4: Next, the third electromagnets 616 of the two support brackets 610 are de-energized, causing the support plate 612 to be lowered to the lowest position and no longer support the circuit board a; then, the first electromagnet 316 of the first clamping assembly 310 and the second electromagnet 326 of the second clamping assembly 320 are simultaneously energized, causing the second clamping plate 312 of the first clamping assembly 310 and the fourth clamping plate 322 of the second clamping assembly 320 to move downwards simultaneously, so as to clamp the left and right sides of the circuit board a at the same time, thus completing the clamping and fixing of the circuit board a.

[0136] Step S5: After the circuit board a is clamped and fixed, the fourth motor 621 works to drive the two support brackets 610 to move back to back to the sides to avoid blocking the bottom area of ​​the circuit board a; since the support plate 612 has been lowered to the lowest position before, there is a certain distance between the support plate 612 and the back of the circuit board a when it moves, so that it will not scratch or collide with the back of the circuit board a.

[0137] As the two support brackets 610 are removed, the robotic arm can also release circuit board a and remove it.

[0138] Step S6: Subsequently, the surface mount process can be performed on circuit board a; during the operation, if it is necessary to change the angle of circuit board a, the frame 200 can be rotated to the target angle by rotating mechanism 100.

[0139] If a double-sided circuit board is to be surface mounted, after the surface mounting of the front side of the circuit board is completed, the frame 200 can be rotated 180° by the rotating mechanism 100 to flip the circuit board over, and then the surface mounting of the back side can be performed.

[0140] Step S7: After processing is completed, the rotating mechanism 100 is reset to 0°; then, the robot arm is moved to the position of circuit board a and clamps circuit board a (or the robot arm uses a suction nozzle to hold circuit board a).

[0141] Then, the first electromagnet 316 and the second electromagnet 326 are de-energized, causing the first clamping assembly 310 and the second clamping assembly 320 to release the circuit board a; then, the first motor 410 is activated, causing the first clamping assembly 310 and the second clamping assembly 320 to move in opposite directions and leave the circuit board a.

[0142] Finally, the robotic arm can remove circuit board a and transfer it to the next process.

[0143] This completes one surface mount process for a circuit board. Repeating these steps allows for the continuous surface mount process of several circuit boards. If the width of the circuit board changes, the spacing between the two first clamping components 310 and the two second clamping components 320 can be adjusted using the second motor 711 and the third motor 721 to accommodate the new width. If the length of the circuit board changes, the spacing between the first clamping components 310 and the second clamping components 320 can be controlled by the first motor 410 to accommodate the new length.

[0144] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. An adjustable circuit board processing bracket, characterized in that, include: A rotating mechanism (100) wherein the axis of the rotating part of the rotating mechanism (100) is a rotation center line (1a), which extends horizontally and is a predetermined distance above the ground; The frame (200) is fixedly connected to the rotating part of the rotating mechanism (100) and can be driven by the rotating mechanism (100) to rotate around the rotation center line (1a); a predetermined area in the middle of the frame (200) is used to fix the circuit board and is defined as the circuit board placement area (2a). The first clamping assembly (310) is used to clamp the circuit board placed on the circuit board placement area (2a) from one side; The second clamping assembly (320) is disposed opposite to the first clamping assembly (310) and is used to clamp the circuit board placed on the circuit board placement area (2a) from the other side; A clamping component driving device (400) is disposed on the frame body (200) for driving the first clamping component (310) and the second clamping component (320) to move synchronously towards or away from each other, and can adjust the first clamping component (310) and the second clamping component (320) to a position that is compatible with the size of the circuit board after the circuit board is placed in the circuit board placement area (2a).

2. The adjustable circuit board processing bracket according to claim 1, characterized in that, The adjustable circuit board processing support also includes a frame (500), and the rotating mechanism (100) is fixed on the frame (500).

3. The adjustable circuit board processing bracket according to claim 2, characterized in that, The adjustable circuit board processing bracket also includes a support bracket (610) and a support bracket driving device (620). The number of the support brackets (610) is two and they are disposed on the frame body (200), and their height is lower than that of the circuit board placement area (2a); when the circuit board is placed in the circuit board placement area (2a), the support brackets (610) are used to support and lift the circuit board from below; The support bracket driving device (620) is disposed on the frame body (200) and is used to drive the two support brackets (610) to move synchronously towards each other or away from each other, so as to adjust the two support brackets (610) to a suitable position to support and lift the circuit board according to the size of the circuit board when placing the circuit board, or to make the two support brackets (610) avoid the circuit board when the circuit board is fixed.

4. The adjustable circuit board processing bracket according to claim 3, characterized in that, The adjustable circuit board processing bracket also includes a first spacing adjustment device (710) and a second spacing adjustment device (720). The clamping component driving device (400) includes a first motor (410), a first slider (420), and a second slider (430); the first motor (410) is fixed on the frame (200); the first slider (420) and the second slider (430) can move towards each other or away from each other under the drive of the first motor (410); The first spacing adjustment device (710) is fixed relative to the first slider (420); there are two first clamping components (310) and they are installed on the first spacing adjustment device (710), and the spacing between the two first clamping components (310) can be adjusted by the first spacing adjustment device (710); The second spacing adjustment device (720) is fixed relative to the second slider (430); there are two second clamping components (320) installed on the second spacing adjustment device (720), and the spacing between the two second clamping components (320) can be adjusted by the second spacing adjustment device (720).

5. The adjustable circuit board processing bracket according to claim 4, characterized in that, The clamping assembly drive device (400) further includes a linear guide rail (440), a first double-threaded lead screw (450), a first lead screw nut (460), and a second lead screw nut (470). The linear guide rail (440) is fixed on the frame body (200), and the first slider (420) and the second slider (430) are both slidably mounted on the linear guide rail (440); The first double-threaded lead screw (450) is rotatably mounted on the frame body (200) and driven to rotate by the first motor (410); and the threads on the left and right sides of the first double-threaded lead screw (450) rotate in opposite directions; The first lead screw nut (460) is threaded onto the left side of the first double-threaded lead screw (450) and fixedly connected to the first slider (420). The first pitch adjustment device (710) is fixedly installed on the first lead screw nut (460). The second lead screw nut (470) is threaded onto the right side of the first double-threaded lead screw (450) and fixedly connected to the second slider (430). The second pitch adjustment device (720) is fixedly installed on the second lead screw nut (470).

6. The adjustable circuit board processing bracket according to claim 5, characterized in that, The number of linear guides (440) is two, and the two linear guides (440) are distributed opposite to each other on both sides of the rotation center line (1a) and their extension direction is parallel to the rotation center line (1a); There are two first sliders (420), and the two first sliders (420) correspond to each other and are respectively disposed on the two linear guides (440); There are two second sliders (430), and the two second sliders (430) correspond to each other and are respectively arranged on the two linear guides (440); There are two first double-threaded lead screws (450), and the two first double-threaded lead screws (450) are respectively located above the two linear guides (440), and the two first double-threaded lead screws (450) are driven to rotate synchronously by the first motor (410); There are two first lead screw nuts (460), and the two first lead screw nuts (460) are respectively sleeved on the left side of the two first double threaded lead screws (450) and fixedly connected to the corresponding first sliders (420); the two ends of the first spacing adjustment device (710) are respectively fixedly installed on the two first lead screw nuts (460); There are two second lead screw nuts (470). The two second lead screw nuts (470) are respectively sleeved on the right side of the two first double threaded lead screws (450) and fixedly connected to the corresponding second sliders (430); the two ends of the second spacing adjustment device (720) are respectively fixedly installed on the two second lead screw nuts (470).

7. The adjustable circuit board processing bracket according to claim 6, characterized in that, The first spacing adjustment device (710) includes a second motor (711), a second double-threaded screw (712), and a first guide rod (713); the second motor (711) is fixed on one of the first screw nuts (460); the second double-threaded screw (712) is rotatably mounted between the two first screw nuts (460) and is connected to the output shaft of the second motor (711) for transmission, and the threads on the left and right sides of the second double-threaded screw (712) rotate in opposite directions; the first guide rod (713) is fixedly mounted between the two first screw nuts (460); wherein, the two first clamping assemblies (310) are respectively threaded onto the threads on the left and right sides of the second double-threaded screw (712) and can slide along the first guide rod (713); The second spacing adjustment device (720) includes a third motor (721), a third double-threaded screw (722), and a second guide rod (723); the third motor (721) is fixed on one of the second screw nuts (470); the third double-threaded screw (722) is rotatably mounted between the two second screw nuts (470) and is connected to the output shaft of the third motor (721) for transmission, and the threads on the left and right sides of the third double-threaded screw (722) rotate in opposite directions; the second guide rod (723) is fixedly mounted between the two second screw nuts (470); wherein, the two second clamping components (320) are respectively threaded onto the threads on the left and right sides of the third double-threaded screw (722) and can slide along the second guide rod (723).

8. An adjustable circuit board processing bracket according to any one of claims 1 to 7, characterized in that, The first clamping assembly (310) includes a first clamping plate (311) and a second clamping plate (312). The first clamping plate (311) and the second clamping plate (312) reduce the distance between them by generating magnetism through energization in order to clamp the circuit board. The second clamping assembly (320) includes a third clamping plate (321) and a fourth clamping plate (322), which also reduce the distance between the third clamping plate (321) and the fourth clamping plate (322) by generating magnetism through energization in order to clamp the circuit board.

9. An adjustable circuit board processing bracket according to any one of claims 3 to 7, characterized in that, The support drive device (620) includes a fourth motor (621), a fourth double-threaded screw (622), a third screw nut (623), and a fourth screw nut (624). The fourth motor (621) is fixed to the frame (200); The fourth double-threaded lead screw (622) is rotatably mounted on the bottom of the frame body (200) and driven to rotate by the fourth motor (621), and the threads on the left and right sides of the fourth double-threaded lead screw (622) rotate in opposite directions; The third lead screw nut (623) is threaded onto the left side of the fourth double-threaded lead screw (622); The fourth lead screw nut (624) is threaded onto the right side of the fourth double-threaded lead screw (622); One of the support brackets (610) is fixedly connected to the third lead screw nut (623) via the first fixing rod (625), and the other support bracket (610) is fixedly connected to the fourth lead screw nut (624) via the second fixing rod (626).

10. The adjustable circuit board processing bracket according to claim 9, characterized in that, The support bracket (610) includes a box body (611), a support plate (612), a base plate (613), a connecting column (614), a third spring (615), and a third electromagnet (616). The box body (611) is fixedly connected to the first fixing rod (625) or the second fixing rod (626); The base plate (613) is disposed inside the box body (611); The tray (612) is positioned above the outside of the box body (611); The connecting post (614) passes through the top surface of the box (611) and connects the bottom plate (613) to the tray (612); The third spring (615) is located in the box (611) and sleeved on the connecting post (614), and the top of the third spring (615) abuts against the top surface of the box (611) and the bottom abuts against the bottom plate (613); The third electromagnet (616) is disposed in the housing (611); When the third electromagnet (616) is not energized, the support plate (612) is located at the low point position under the action of the third spring (615); when the third electromagnet (616) is energized, the base plate (613) moves upward, driving the support plate (612) to move to the high point position to support and lift the circuit board.

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