Fixing device and circuit board processing equipment

Abstract

The utility model relates to a fixing device and circuit board processing equipment, and the fixing device comprises a fixing assembly which comprises a first bearing plate, a first frame and a second bearing plate, the first bearing plate, the first frame and the second bearing plate define a first inner cavity, the first bearing plate is provided with a first adsorption hole and a stripping hole, the first adsorption hole is communicated with the first inner cavity, and the stripping hole is communicated with the second inner cavity; a guide hole is formed in the second bearing plate, the material ejecting assembly is located in the guide hole, the pressure adjusting assembly communicates with the first inner cavity so that negative pressure can be formed in the first inner cavity, and the pressure adjusting assembly is further connected to the material ejecting assembly so that the material ejecting assembly can be driven to penetrate through the guide hole and stretch out of the first bearing plate from the stripping hole; in conclusion, the pressure regulating assembly in the fixing device can enable the fixing assembly to perform adsorption action and can also drive the material jacking assembly to perform jacking motion, the number of driving pieces is reduced, and the whole fixing device is simple in internal structure and light in overall weight.

Description

Technical Field

[0001] The present application relates to the technical field of circuit board processing and manufacturing equipment, and in particular to a fixing device and circuit board processing equipment. Background Art

[0002] Circuit boards, also known as printed circuit boards, are a key component in the electronics industry. They electrically interconnect the electronic components within integrated circuits and are commonly used in electronic watches, calculators, computers, communications electronics, and other devices. In related art, during circuit board processing, a fixture is used to position and secure the circuit board. The fixture comprises a suction assembly and a lift assembly. The suction assembly is used to attach the circuit board to the fixture, while the lift assembly is used to separate the processed circuit board from the fixture. Because both the suction assembly and the lift assembly require drivers, the fixture's internal structure is complex and its overall weight is excessive. Utility Model Content

[0003] Based on this, it is necessary to provide a fixing device and circuit board processing equipment to address the problems of complex internal structure and excessive overall weight of existing fixing devices.

[0004] A fixing device for positioning a circuit board, the fixing device comprising:

[0005] The fixing assembly includes a first supporting plate, a first frame, and a second supporting plate. The first frame is arranged between the first supporting plate and the second supporting plate and connects the first supporting plate and the second supporting plate. The first supporting plate, the first frame, and the second supporting plate together form a first inner cavity. The first supporting plate is provided with a first adsorption hole and a stripping hole staggered thereon. The first adsorption hole is connected to the first inner cavity. The second supporting plate is provided with a guide hole, and the guide hole is coaxially arranged with the stripping hole.

[0006] A lifting assembly is located in the guide hole;

[0007] A pressure regulating assembly is connected to the first inner cavity so as to form a negative pressure in the first inner cavity, and the pressure regulating assembly is also connected to the ejecting assembly so as to drive the ejecting assembly through the guide hole and extend from the stripping hole to the first supporting plate. The end of the first supporting plate facing away from the second supporting plate is used to support the circuit board.

[0008] In one embodiment, the ejection assembly includes a ejection rod and an elastic member, the ejection rod and the elastic member are both located in the guide hole, the elastic member is sleeved on the outer periphery of the ejection rod, and the pressure regulating assembly is connected to the ejection rod; the pressure regulating assembly can drive the ejection rod to move and extend out of the first supporting plate, and the elastic member can drive the ejection rod to move to the initial position.

[0009] In one embodiment, the guide hole includes a first hole segment and a second hole segment that are interconnected, the first hole segment being provided on a side of the second supporting plate facing away from the first supporting plate, the second hole segment being provided on a side of the second supporting plate close to the first supporting plate, the inner diameter of the second hole segment being smaller than the inner diameter of the first hole segment, and the second supporting plate forming a step at the connection between the second hole segment and the first hole segment;

[0010] The ejection assembly also includes a piston, and the piston, the ejection rod and the elastic member are all located in the first hole segment. The piston is slidably connected to the first hole segment, one end of the ejection rod is connected to the piston, and the other end is slidably connected to the second hole segment, one end of the elastic member is connected to the piston, and the other end is connected to the step.

[0011] In one embodiment, a plurality of stripping holes are provided on the first supporting plate, and a plurality of guide holes are provided on the second supporting plate corresponding to the stripping holes.

[0012] A plurality of the ejecting assemblies are provided on the second carrying plate, and the plurality of the ejecting assemblies are arranged corresponding to the plurality of the guide holes.

[0013] In one embodiment, the fixing device includes a workbench base frame, the workbench base frame is located on a side of the second supporting plate facing away from the first supporting plate and abuts against the second supporting plate, and a receiving groove is provided on a side of the workbench base frame close to the second supporting plate;

[0014] The pressure regulating assembly includes an air supply component, which includes an air pump, a plurality of pipe joints and an air distributor, wherein the plurality of pipe joints are configured to be accommodated in the accommodating groove and are respectively arranged corresponding to the guide holes;

[0015] The gas distributor is provided with a main gas path inlet and multiple branch gas path outlets that are interconnected. The main gas path inlet is connected to the air pump, and the branch gas path outlet is connected to at least one of the pipe joints. The branch gas path outlet, the pipe joint and the first hole section gas path are connected.

[0016] In one embodiment, the fixing assembly further includes a second frame and a third frame, the second frame being arranged around the outer periphery of the first frame and connecting the first supporting plate and the second supporting plate, and the first frame, the second frame, the first supporting plate and the second supporting plate together form a second inner cavity; the third frame being arranged around the outer periphery of the second frame and connecting the first supporting plate and the second supporting plate, and the second frame, the third frame, the first supporting plate and the second supporting plate together form a third inner cavity; the second inner cavity and the third inner cavity are both communicated with the pressure regulating assembly;

[0017] The first supporting plate is further provided with a second adsorption hole and a third adsorption hole. The second adsorption hole is communicated with the second inner cavity, and the third adsorption hole is communicated with the third inner cavity.

[0018] In one embodiment, the fixing assembly includes an air path structure having a first air path channel, a second air path channel, and a third air path channel;

[0019] The pressure regulating assembly includes an air suction part, which includes a fan. One end of the first air path is connected to the first inner cavity, and the other end is connected to the fan. One end of the second air path is connected to the second inner cavity, and the other end is connected to the fan. One end of the third air path is connected to the third inner cavity, and the other end is connected to the fan.

[0020] In one embodiment, the fixing device includes a detection component, and the detection component includes a pressure gauge;

[0021] The fixing assembly has a first detection channel, one end of which is connected to the pressure gauge, and the other end of which is connected to at least the first inner cavity.

[0022] In one embodiment, the first adsorption hole includes a first aperture segment and a second aperture segment that are interconnected, the first aperture segment is arranged on the side of the first supporting plate facing away from the second supporting plate, and the second aperture segment is arranged on the side of the second supporting plate facing away from the first supporting plate, and the inner diameter of the second aperture segment is larger than the inner diameter of the first aperture segment.

[0023] When the above-mentioned fixing device is working, first, the staff places the circuit board on the first carrier plate and starts the pressure regulating component. The pressure regulating component forms a negative pressure in the first inner cavity, and the fixing component generates suction at the first adsorption hole. The suction adsorbs the circuit board to the first carrier plate to process the circuit board. After the staff completes processing the circuit board, the pressure regulating component drives the ejecting component to pass through the guide hole and extend the first carrier plate from the stripping hole to lift the processed circuit board on the first carrier plate, so that the processed circuit board is separated from the first carrier plate. Finally, the staff removes the processed circuit board from the first carrier plate, and the ejecting component returns to the guide hole. In summary, in the above-mentioned fixing device, the fixing component and the ejecting component are integrated together. The pressure regulating component can not only enable the fixing component to perform adsorption action, but also drive the ejecting component to perform lifting movement, thereby reducing the number of driving parts. The internal structure of the entire fixing device is simple and the overall weight is relatively light.

[0024] The present application also proposes a circuit board processing device, including a machine tool, a beam, a processing component and the aforementioned fixing device. The beam is mounted on the machine tool, the fixing device is connected to the machine tool, and the processing component is connected to the beam. The processing component can process the circuit board installed on the fixing device. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the assembly of a fixing device in one embodiment of the present application;

[0026] Figure 2 For this application Figure 1 An exploded schematic diagram of the fixture shown in ;

[0027] Figure 3 For this application Figure 2 A top view of the second carrier plate shown in ;

[0028] Figure 4 For this application Figure 3 a bottom view of the second carrier plate shown in ;

[0029] Figure 5 For this application Figure 3 A half-section view of the second carrier plate shown in FIG;

[0030] Figure 6 For this application Figure 5 A partial enlarged schematic diagram of point B in the middle;

[0031] Figure 7 For this application Figure 2 The structural diagram of the gas distributor shown in FIG;

[0032] Figure 8 For this application Figure 2A top view of the first carrier plate shown in ;

[0033] Figure 9 For this application Figure 8 A half-section view of the first carrier plate shown in FIG;

[0034] Figure 10 For this application Figure 9 A partial enlarged schematic diagram of point A in the middle;

[0035] Figure 11 For this application Figure 2 A partial cross-sectional view of the second carrier plate shown in FIG.

[0036] Reference numerals:

[0037] Fixed assembly 100, first supporting plate 110, first adsorption hole 111, first aperture section 1111, second aperture section 1112, stripping hole 112, second adsorption hole 113, third adsorption hole 114, first frame 120, first sealing ring 121, second supporting plate 130, guide hole 131, first hole section 1311, second hole section 1312, first inner cavity 140, first detection channel 141, second frame 150, second sealing ring 151, third frame 160, third sealing ring 161, second inner cavity 170, third inner cavity 180, second detection channel 181, air path structure 190, first air path channel 191, second air path channel 192, third air path channel 193;

[0038] Ejector assembly 200, ejector rod 210, elastic member 220, piston 230, fourth sealing ring 231;

[0039] Pressure regulating assembly 300, air supply component 310, pipe joint 311, joint portion 3111, mounting portion 3112, mounting body 31121, first through hole 31122, fifth sealing ring 31123, air distributor 312, main air path inlet 3121, air path outlet 3122, air suction component 320, first valve 321, second valve 322, third valve 323, first interruption valve 324, second interruption valve 325, third interruption valve 326;

[0040] Solenoid valve assembly 400;

[0041] Workbench base frame 500, receiving groove 510. DETAILED DESCRIPTION

[0042] To make the above-mentioned objects, features, and advantages of the present application more clearly understood, the specific embodiments of the present application are described in detail below with reference to the accompanying drawings. The following description sets forth many specific details to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways than those described herein, and those skilled in the art can make similar improvements without violating the scope of the present application. Therefore, the present application is not limited to the specific embodiments disclosed below.

[0043] In the description of this application, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. appear, the orientation or position relationship indicated by these terms is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing this application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application.

[0044] In addition, if the terms "first" or "second" appear, these terms are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of technical features indicated. Therefore, a feature specified as "first" or "second" may explicitly or implicitly include at least one of such features. In the description of this application, if the term "plurality" appears, "plurality" means at least two, for example, two, three, etc., unless otherwise specifically defined.

[0045] In this application, unless otherwise specified or limited, the terms "mounted," "connected," "connected," "fixed," etc., should be interpreted broadly. For example, these terms may refer to fixed connections, removable connections, or integration; mechanical connections or electrical connections; direct connections or indirect connections through an intermediary; and internal communication between two components or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances.

[0046] In this application, unless otherwise expressly specified or limited, if a first feature is described as being "above" or "below" a second feature, or similar descriptions, this may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Furthermore, when a first feature is described as being "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is described as being "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0047] It should be noted that if an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. If an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. If any, the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in this application are for illustrative purposes only and do not represent the only embodiment.

[0048] See also Figure 1 and Figure 4 , Figure 2 A schematic structural diagram of a fixing device in an embodiment of the present application is shown. The fixing device provided in an embodiment of the present application is used for positioning a circuit board (not shown), and includes: a fixing assembly 100, a top material assembly 200, and a pressure regulating assembly 300. The fixing assembly 100 includes a first carrier plate 110, a first frame 120, and a second carrier plate 130. The first frame 120 is arranged between the first carrier plate 110 and the second carrier plate 130, and connects the first carrier plate 110 and the second carrier plate 130. The first carrier plate 110, the first frame 120, and the second carrier plate 130 together enclose a first inner cavity 140; the first carrier plate 110 is provided with a staggered The first adsorption hole 111 and the stripping hole 112, the first adsorption hole 111 is connected to the first inner cavity 140, and a guide hole 131 is provided on the second supporting plate 130, and the guide hole 131 and the stripping hole 112 are coaxially arranged. The lifting assembly 200 is located in the guide hole 131, and the pressure regulating assembly 300 is connected to the first inner cavity 140 so as to be able to form a negative pressure in the first inner cavity 140, and the pressure regulating assembly 300 is also connected to the lifting assembly 200 so as to be able to drive the lifting assembly 200 to pass through the guide hole 131 and extend from the stripping hole 112 to the first supporting plate 110, and the end of the first supporting plate 110 facing away from the second supporting plate 130 is used to support the circuit board.

[0049] In this embodiment, when the fixing device is working, first, the staff places the circuit board on the first carrier plate 110 and starts the pressure regulating assembly 300. The pressure regulating assembly 300 forms a negative pressure in the first inner cavity 140, and the fixing assembly 100 generates suction at the first adsorption hole 111. The suction adsorbs the circuit board to the first carrier plate 110 to process the circuit board. After the staff completes processing the circuit board, the pressure regulating assembly 300 drives the lifting assembly 200 to pass through the guide hole 131 and extend the first carrier plate 110 from the stripping hole 112 to lift the processed circuit board on the first carrier plate 110, so that the processed circuit board is separated from the first carrier plate 110. Finally, the staff removes the processed circuit board from the first carrier plate 110, and the lifting assembly 200 returns to the guide hole 131. To sum up, in the above-mentioned fixing device, the fixing component 100 and the lifting component 200 are integrated together, and the pressure regulating component 300 can not only enable the fixing component 100 to perform adsorption action, but also drive the lifting component 200 to perform lifting movement, thereby reducing the number of driving parts. The internal structure of the entire fixing device is simple and the overall weight is light.

[0050] See also Figures 1 to 6 In some embodiments, the ejection assembly 200 includes a ejection rod 210 and an elastic member 220. The ejection rod 210 and the elastic member 220 are both located in the guide hole 131. The elastic member 220 is sleeved on the outer periphery of the ejection rod 210. The pressure regulating assembly 300 is connected to the ejection rod 210. The pressure regulating assembly 300 can drive the ejection rod 210 to move and extend out of the first supporting plate 110. The elastic member 220 can drive the ejection rod 210 to move to the initial position.

[0051] In this embodiment, when the circuit board is to be removed from the first carrier plate 110, the pressure regulating assembly 300 drives the ejecting rod 210 to move and extend out of the first carrier plate 110 to lift the processed circuit board on the first carrier plate 110. After the staff removes the processed circuit board from the first carrier plate 110, the pressure regulating assembly 300 stops working, and the elastic force of the elastic member 220 pushes the ejecting rod 210 to move along the axis of the guide hole 131 toward the side away from the first carrier plate 110 until the ejecting rod 210 retracts into the guide hole 131 and the elastic member 220 returns to its natural state.

[0052] See also Figures 4 to 6In some embodiments, the guide hole 131 includes a first hole section 1311 and a second hole section 1312 that are interconnected. The first hole section 1311 is provided on a side of the second supporting plate 130 away from the first supporting plate 110, and the second hole section 1312 is provided on a side of the second supporting plate 130 close to the first supporting plate 110. The inner diameter of the second hole section 1312 is smaller than the inner diameter of the first hole section 1311. The second supporting plate 130 forms a step at the connection between the second hole section 1312 and the first hole section 1311. The ejecting assembly 200 also includes a piston 230. The piston 230, the ejecting rod 210 and the elastic member 220 are all located in the first hole section 1311. The piston 230 is slidably connected to the first hole section 1311. One end of the ejecting rod 210 is connected to the piston 230, and the other end is slidably connected to the second hole section 1312. One end of the elastic member 220 is connected to the piston 230, and the other end is connected to the step.

[0053] When the cam 220 is in the closed position, the piston 230 is released, and the piston 230 is in the closed position ...

[0054] In some embodiments, the axis of the first bore section 1311 is collinear with the axis of the second bore section 1312 .

[0055] In some embodiments, the ejection assembly 200 includes a fourth sealing ring 231 , which is sleeved on the outside of the piston 230 , and the outer diameter of the fourth sealing ring 231 is equal to the inner diameter of the first hole section 1311 .

[0056] See also Figures 2 to 6 In some embodiments, a plurality of stripping holes 112 are provided on the first supporting plate 110, a plurality of guide holes 131 are provided on the second supporting plate 130 corresponding to the stripping holes 112, a plurality of lifting components 200 are provided on the second supporting plate 130, and the plurality of lifting components 200 are arranged corresponding to the plurality of guide holes 131.

[0057] In this embodiment, when the positioning device is operating, the pressure regulating assembly 300 drives the ejection rod 210 of each ejection assembly 200 to move along the axis of the corresponding guide hole 131 relative to the second carrier plate 130. The ejection rod 210 in each guide hole 131 extends from the stripping hole 112 corresponding to the guide hole 131 to the first carrier plate 110, thereby lifting the processed circuit board. The multiple ejection assemblies 200 are evenly arranged. By arranging multiple ejection assemblies 200 as described above, the stability of the ejection is improved, allowing the ejection assemblies 200 to smoothly lift the circuit board. Even if one ejection assembly 200 fails, as long as the other ejection assemblies 200 are functioning normally, the processed circuit board can still be lifted from the first carrier plate 110.

[0058] See also Figures 4 to 7 In some embodiments, the fixing device includes a workbench base frame 500. The workbench base frame 500 is located on the side of the second supporting plate 130 facing away from the first supporting plate 110 and abuts the second supporting plate 130. A receiving groove 510 is provided on the side of the workbench base frame 500 close to the second supporting plate 130. The pressure regulating assembly 300 includes an air supply component 310, which includes an air pump, multiple pipe joints 311, and an air distributor 312. The multiple pipe joints 311 are configured to be received in the receiving groove 510 and are respectively arranged corresponding to each guide hole 131. The air distributor 312 is provided with a main air inlet 3121 and multiple branch air outlets 3122 that are interconnected. The main air inlet 3121 is connected to the air pump, and the branch air outlet 3122 is connected to at least one pipe joint 311. The branch air outlet 3122, the pipe joint 311, and the first hole section 1311 are in air communication.

[0059] In this embodiment, when the fixing device is working, gas flows out from the air pump, enters the gas distributor 312 through the main gas path inlet 3121, and then is divided into multiple paths from multiple gas path outlets 3122 to enter the pipe joint 311. Finally, it enters the first hole section 1311 of the guide hole 131 through the pipe joint 311, and pushes the piston 230 in the corresponding first hole section 1311 close to the first supporting plate 110. The piston 230 drives the ejecting rod 210 connected to it to move along the axis of the second hole section 1312 of the corresponding guide hole 131, so that the ejecting rod 210 extends out of the first supporting plate 110 from the stripping hole 112 corresponding to the second hole section 1312 of the corresponding guide hole 131, and finally lifts the processed circuit board from the first supporting plate 110.

[0060] In some embodiments, each pipe joint 311 includes a joint portion 3111 , and each joint portion 3111 is connected to the corresponding gas branch outlet 3122 at one end and to the first hole section 1311 of the corresponding guide hole 131 at the other end.

[0061] In this embodiment, the gas enters the first hole section 1311 of the corresponding guide hole 131 through each joint portion 3111, and pushes the piston 230 in the corresponding first hole section 1311 close to the first carrier plate 110, so that the piston 230 drives the ejecting rod 210 connected thereto to move along the axis of the second hole section 1312 of the corresponding guide hole 131 until the ejecting rod 210 extends out of the first carrier plate 110 from the stripping hole 112 corresponding to the second hole section 1312 of the corresponding guide hole 131, thereby lifting the processed circuit board from the first carrier plate 110.

[0062] In some embodiments, each pipe joint 311 also includes a mounting portion 3112, the mounting portion 3112 includes a mounting body 31121, the mounting body 31121 is connected to the second supporting plate 130, and a first through hole 31122 is opened on the mounting body 31121, one end of the first through hole 31122 is connected to the joint portion 3111, and the other end is connected to the first hole section 1311 of the corresponding guide hole 131.

[0063] In some embodiments, a plurality of fourth annular grooves (not shown) are provided on the side of the second supporting plate 130 facing away from the first supporting plate 110, and the plurality of fourth annular grooves are arranged in one-to-one correspondence with the plurality of guide holes 131, and each fourth annular groove is arranged around the outside of the corresponding guide hole 131. The mounting portion 3112 of each pipe joint 311 also includes a fifth sealing ring 31123, and the fifth sealing ring 31123 is placed in the fourth annular groove surrounding the outside of the guide hole 131 corresponding to the pipe joint 311.

[0064] In some embodiments, the fixing device further includes a solenoid valve assembly 400 , which is disposed on the passage between the main gas inlet 3121 and the air pump.

[0065] In some embodiments, the gas distributor 312 is provided with a plurality of main gas inlets 3121 , and a solenoid valve assembly 400 is provided on the passage between each main gas inlet 3121 and the air pump.

[0066] In some embodiments, the air supply component 310 further includes multiple air distributors 312 , the main air inlet 3121 of each air distributor 312 is connected to the air pump, and the air outlet 3122 of each air distributor 312 is connected to different joints 3111 .

[0067] See also Figure 2 and Figure 3In some embodiments, the fixing assembly 100 further includes a second frame 150 and a third frame 160. The second frame 150 is arranged around the outer periphery of the first frame 120 and connects the first supporting plate 110 and the second supporting plate 130. The first frame 120, the second frame 150, the first supporting plate 110, and the second supporting plate 130 together form a second inner cavity 170. The third frame 160 is arranged around the outer periphery of the second frame 150 and connects the first supporting plate 110 and the second supporting plate 130. The second frame 150, the third frame 160, the first supporting plate 110, and the second supporting plate 130 together form a third inner cavity 180. The second inner cavity 170 and the third inner cavity 180 are both connected to the pressure regulating assembly 300. The first supporting plate 110 is also provided with a second adsorption hole 113 and a third adsorption hole 114. The second adsorption hole 113 is connected to the second inner cavity 170, and the third adsorption hole 114 is connected to the third inner cavity 180.

[0068] In this embodiment, when the fixing device is working, the staff places the circuit board on the first carrier plate 110 and starts the voltage regulating assembly 300. When the area of the circuit board is small, the voltage regulating assembly 300 forms a negative pressure in the first inner cavity 140, and the fixing assembly 100 generates suction at the first adsorption hole 111, which adsorbs the circuit board to the first carrier plate 110; when the area of the circuit board is large, the voltage regulating assembly 300 forms a negative pressure in the first inner cavity 140 and the second inner cavity 170, and then generates suction at the first adsorption hole 111 and the second adsorption hole 113 of the fixing assembly 100, so as to adsorb the circuit board to the first carrier plate 110 (or the voltage regulating assembly 300 is used to form a negative pressure in the first inner cavity 140, the second inner cavity 170 and the third inner cavity 180, and then generates suction at the first adsorption hole 111, the second adsorption hole 113 and the third adsorption hole 114 of the fixing assembly 100, so as to adsorb the circuit board to the first carrier plate 110).

[0069] In some embodiments, a first area (not shown), a second area (not shown) and a third area (not shown) are provided on the side of the first supporting plate 110 facing away from the second supporting plate 130, a plurality of first adsorption holes 111 are provided in the first area, the second area is arranged around the outside of the first area, a plurality of second adsorption holes 113 are provided in the second area, the third area is arranged around the outside of the second area, and a plurality of third adsorption holes 114 are provided in the third area.

[0070] In some embodiments, a first sealing ring 121 is provided on the side of the first frame 120 facing away from the second supporting plate 130, and the first sealing ring 121 is arranged around the inner ring of the first frame 120; a second sealing ring 151 is provided on the side of the second frame 150 facing away from the second supporting plate 130, and the second sealing ring 151 is arranged around the inner ring of the second frame 150; a third sealing ring 161 is provided on the side of the third frame 160 facing away from the second supporting plate 130, and the third sealing ring 161 is arranged around the inner ring of the third frame 160.

[0071] See also Figure 11 In some embodiments, the fixing device also includes a fixing component 100 including an air path structure 190, the air path structure 190 has a first air path channel 191, a second air path channel 192 and a third air path channel 193, the pressure regulating component 300 includes an air suction component 320, the air suction component 320 includes a fan (not shown), one end of the first air path channel 191 is connected to the first inner cavity 140, and the other end is connected to the fan, one end of the second air path channel 192 is connected to the second inner cavity 170, and the other end is connected to the fan, one end of the third air path channel 193 is connected to the third inner cavity 180, and the other end is connected to the fan.

[0072] In this embodiment, when the pressure regulating assembly 300 is working, the fan is working, and the fan sucks the air inside the first inner cavity 140. The air inside the first inner cavity 140 enters the first air path 191 from the first air path 191, and enters the fan from the first air path 191, forming a negative pressure in the first inner cavity 140; the fan sucks the air inside the second inner cavity 170. The air inside the second inner cavity 170 enters the second air path 192 from the second air path 192, and enters the fan from the second air path 192, forming a negative pressure in the second inner cavity 170; the fan sucks the air inside the third inner cavity 180. The air inside the third inner cavity 180 enters the third air path 193 from the third air path 193, and enters the fan from the third air path 193, forming a negative pressure in the third inner cavity 180.

[0073] See also Figure 1 and Figure 2 In some embodiments, the air suction member 320 further includes a first valve 321, a second valve 322 and a third valve 323. The first valve 321 is arranged between the first air path 191 and the fan, one end of the first valve 321 is connected to the first air path 191, and the other end is connected to the fan. The second valve 322 is arranged between the second air path 192 and the fan, one end of the second valve 322 is connected to the second air path 192, and the other end is connected to the fan. The third valve 323 is arranged between the third air path 193 and the fan, one end of the third valve 323 is connected to the third air path 193, and the other end is connected to the fan.

[0074] In this embodiment, when the fixing device is working, the first valve 321 connects the first air channel 191 with the fan, the second valve 322 connects the second air channel 192 with the fan, and the third valve 323 connects the third air channel 193 with the fan.

[0075] In some embodiments, the first valve 321 , the second valve 322 , and the third valve 323 are all slide valves.

[0076] In some embodiments, the air suction part 320 also includes a first interrupt valve 324, a second interrupt valve 325 and a third interrupt valve 326. The first interrupt valve 324 is located between the first air path 191 and the fan, one end of the first interrupt valve 324 is connected to the first air path 191, and the other end is connected to the fan. The second interrupt valve 325 is located between the second air path 192 and the fan, one end of the second interrupt valve 325 is connected to the second air path 192, and the other end is connected to the fan. The third interrupt valve 326 is located between the third air path 193 and the fan, one end of the third interrupt valve 326 is connected to the third air path 193, and the other end is connected to the fan.

[0077] See also Figure 11 In some embodiments, the fixing device includes a detection component (not shown), the detection component includes a pressure gauge (not shown), and the fixing component 100 has a first detection channel 141, one end of the first detection channel 141 is connected to the pressure gauge, and the other end is connected to at least the first inner cavity 140.

[0078] In this embodiment, when the fixing device is working, one end of the first detection channel 141 is connected to the pressure gauge, and the other end is connected to at least the first inner cavity 140, so as to detect the air pressure in the first inner cavity 140, so that the staff can judge the adsorption condition of the circuit board based on the detected air pressure, so that the staff can respond in time when leakage occurs in the first inner cavity 140, thereby improving the reliability of the fixing device.

[0079] In some embodiments, the fixing assembly 100 has a first detection channel 141 and a second detection channel 181. One end of the first detection channel 141 is connected to the pressure gauge, and the other end is connected to the first inner cavity 140. One end of the second detection channel 181 is connected to the pressure gauge, and the other end is connected to the third inner cavity 180.

[0080] In this embodiment, one end of the second detection channel 181 is connected to the pressure gauge, and the other end is connected to the third inner cavity 180, so that the air pressure in the third inner cavity 180 is detected, so that the staff can judge the adsorption condition of the circuit board based on the detected air pressure, so that the staff can respond in time when leakage occurs in the third inner cavity 180, thereby improving the reliability of the fixing device.

[0081] In some embodiments, the detection assembly further includes a third detection channel (not shown), one end of the third detection channel is connected to the pressure gauge, and the other end of the third detection channel is connected to the second inner cavity 170.

[0082] See also Figures 8 to 10 In some embodiments, the first adsorption hole 111 includes a first aperture section 1111 and a second aperture section 1112 that are interconnected. The first aperture section 1111 is arranged on the side of the first supporting plate 110 away from the second supporting plate 130, and the second aperture section 1112 is arranged on the side of the second supporting plate 130 away from the first supporting plate 110. The inner diameter of the second aperture section 1112 is larger than the inner diameter of the first aperture section 1111.

[0083] In this embodiment, when the fixing device is working, by setting the inner diameter of the second aperture section 1112 to be larger than the inner diameter of the first aperture section 1111, the probability of external dust and other impurities entering the first adsorption hole 111 through the first aperture section 1111 during the processing process and causing the first adsorption hole 111 to be blocked can be reduced, thereby ensuring the adsorption effect of the fixing device.

[0084] This application also proposes a circuit board processing device (not shown), comprising a machine tool, a crossbeam, a processing assembly, and the aforementioned fixture. The crossbeam is mounted on the machine tool, the fixture is connected to the machine tool, and the processing assembly is connected to the crossbeam. The processing assembly is capable of processing the circuit board mounted on the fixture. The circuit board processing device can be a forming machine, a drilling machine, a drilling and drilling machine, etc., without limitation herein.

[0085] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0086] The above-described embodiments merely represent several implementation methods of the present application. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that a person of ordinary skill in the art may make various modifications and improvements without departing from the spirit of the present application, and these modifications and improvements fall within the scope of protection of the present application. Therefore, the scope of protection of the present patent application shall be determined by the appended claims.

Claims

1. A fixing device for fixing a circuit board, characterized in that: The fixing device comprises: A fixing assembly (100) includes a first carrier plate (110), a first frame (120) and a second carrier plate (130), wherein the first frame (120) is arranged between the first carrier plate (110) and the second carrier plate (130) and connects the first carrier plate (110) and the second carrier plate (130), and the first carrier plate (110), the first frame (120) and the second carrier plate (130) together form a first inner cavity (140); a first adsorption hole (111) and a stripping hole (112) are staggeredly arranged on the first carrier plate (110), and the first adsorption hole (111) is communicated with the first inner cavity (140); a guide hole (131) is provided on the second carrier plate (130), and the guide hole (131) and the stripping hole (112) are coaxially arranged; A lifting assembly (200) is located in the guide hole (131); A pressure regulating assembly (300) is connected to the first inner cavity (140) so as to form a negative pressure in the first inner cavity (140), and the pressure regulating assembly (300) is also connected to the ejecting assembly (200) so as to drive the ejecting assembly (200) to pass through the guide hole (131) and extend from the stripping hole (112) to the first carrier plate (110), and the end of the first carrier plate (110) facing away from the second carrier plate (130) is used to support the circuit board.

2. The fixing device according to claim 1, characterized in that The ejection assembly (200) includes an ejection rod (210) and an elastic member (220), the ejection rod (210) and the elastic member (220) are both located in the guide hole (131), the elastic member (220) is sleeved on the outer periphery of the ejection rod (210), and the pressure regulating assembly (300) is connected to the ejection rod (210); the pressure regulating assembly (300) can drive the ejection rod (210) to move and extend out of the first supporting plate (110), and the elastic member (220) can drive the ejection rod (210) to move to an initial position.

3. The fixing device according to claim 2, characterized in that The guide hole (131) includes a first hole section (1311) and a second hole section (1312) that are connected to each other, the first hole section (1311) is provided on a side of the second bearing plate (130) away from the first bearing plate (110), the second hole section (1312) is provided on a side of the second bearing plate (130) close to the first bearing plate (110), the inner diameter of the second hole section (1312) is smaller than the inner diameter of the first hole section (1311), and the second bearing plate (130) forms a step at the connection between the second hole section (1312) and the first hole section (1311); The ejecting assembly (200) also includes a piston (230), the piston (230), the ejecting rod (210) and the elastic member (220) are all located in the first hole section (1311), the piston (230) is slidably connected to the first hole section (1311), one end of the ejecting rod (210) is connected to the piston (230), and the other end is slidably connected to the second hole section (1312), one end of the elastic member (220) is connected to the piston (230), and the other end is connected to the step.

4. The fixing device according to claim 3, characterized in that The first carrying plate (110) is provided with a plurality of stripping holes (112), and the second carrying plate (130) is provided with a plurality of guide holes (131) corresponding to the stripping holes (112); A plurality of the ejecting assemblies (200) are provided on the second carrying plate (130), and the plurality of the ejecting assemblies (200) are arranged corresponding to the plurality of the guide holes (131).

5. The fixing device according to claim 4, characterized in that The fixing device comprises a workbench base frame (500), the workbench base frame (500) is located on a side of the second bearing plate (130) facing away from the first bearing plate (110), and is in contact with the second bearing plate (130), and a receiving groove (510) is provided on a side of the workbench base frame (500) close to the second bearing plate (130); The pressure regulating assembly (300) includes an air supply component (310), the air supply component (310) including an air pump, a plurality of pipe joints (311), and an air distributor (312), the plurality of pipe joints (311) being configured to be accommodated in the accommodation groove (510) and respectively arranged corresponding to the guide holes (131); The gas distributor (312) is provided with a main gas path inlet (3121) and a plurality of branch gas path outlets (3122) that are interconnected; the main gas path inlet (3121) is connected to the air pump; the branch gas path outlets (3122) are connected to at least one of the pipe joints (311); and the branch gas path outlets (3122), the pipe joint (311) and the first hole section (1311) are connected in gas path.

6. The fixing device according to claim 1, characterized in that The fixing assembly (100) further includes a second frame (150) and a third frame (160), wherein the second frame (150) is arranged around the outer periphery of the first frame (120) and connects the first bearing plate (110) and the second bearing plate (130), and the first frame (120), the second frame (150), the first bearing plate (110) and the second bearing plate (130) together form a second inner cavity (170); the third frame (160) is arranged around the outer periphery of the second frame (150) and connects the first bearing plate (110) and the second bearing plate (130), and the second frame (150), the third frame (160), the first bearing plate (110) and the second bearing plate (130) together form a third inner cavity (180); the second inner cavity (170) and the third inner cavity (180) are both communicated with the pressure regulating assembly (300); The first supporting plate (110) is further provided with a second adsorption hole (113) and a third adsorption hole (114); the second adsorption hole (113) is communicated with the second inner cavity (170); and the third adsorption hole (114) is communicated with the third inner cavity (180).

7. The fixing device according to claim 6, characterized in that The fixing assembly (100) includes an air path structure (190), wherein the air path structure (190) has a first air path channel (191), a second air path channel (192), and a third air path channel (193); The pressure regulating assembly (300) includes an air suction component (320), and the air suction component (320) includes a fan. One end of the first air path channel (191) is connected to the first inner cavity (140), and the other end is connected to the fan. One end of the second air path channel (192) is connected to the second inner cavity (170), and the other end is connected to the fan. One end of the third air path channel (193) is connected to the third inner cavity (180), and the other end is connected to the fan.

8. The fixing device according to claim 6, characterized in that The fixing device includes a detection component, and the detection component includes a pressure gauge; The fixing assembly (100) has a first detection channel (141), one end of the first detection channel (141) is connected to the pressure gauge, and the other end is at least connected to the first inner cavity (140).

9. The fixing device according to claim 1, characterized in that The first adsorption hole (111) includes a first aperture section (1111) and a second aperture section (1112) that are interconnected. The first aperture section (1111) is arranged on a side of the first supporting plate (110) that faces away from the second supporting plate (130). The second aperture section (1112) is arranged on a side of the second supporting plate (130) that faces away from the first supporting plate (110). The inner diameter of the second aperture section (1112) is larger than the inner diameter of the first aperture section (1111).

10. A circuit board processing device, characterized in that: It includes a machine tool, a beam, a processing component and a fixing device as described in any one of claims 1 to 9, the beam is mounted on the machine tool, the fixing device is connected to the machine tool, the processing component is connected to the beam, and the processing component can process the circuit board installed on the fixing device.

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